Cellular ceramics made of silicon carbide ceramics for burner technology (2009)
Adler, J., Standke, G., Jahn, M., Marschallek, F.
Cellular ceramics have been of increased interest for applications in burner technology. High power density of the burners up to some MWm(-2) raises the load on the materials regarding thermal shock...
Molybdenum foams for heat insulation in industrial furnaces (2009)
Quadbeck, P., Kümmel, K., Stephani, G., Standke, G., Adler, J., Uhlenhut, H.
In conclusion, the heat insulation by radiation sheet packages or laminated foams is a complex problem, which only can be understood with the help of analytical simulations: On the one hand, the heat...
Mathematics for teaching: observations from two case studies (2008)
Kazima, M, Pillay, V, Adler, J
No Abstract. South African Journal of Education Vol. 28 (2) 2008 pp. 283-299
A new oxidation protection strategy for silicon carbide foams (2008)
This paper describes the manufacture of an oxidation protection layer for reticulated silicon carbide foams. The produced foams are investigated by light microscopy, XRD and electrical measurements....
Ceramic diesel particulate filters - Status and trends (2008)
The introduction of diesel particle filters (DPF) in European passenger cars in 2000 was a real breakthrough from both, a scientific and a commercial point of view and has been boosting to a success...
Mehrstofffähige Brenner für den Einsatz in Brennstoffzellensystemen (2008)
Marschallek, F., Adler, J., Belitz, R., Böttge, D., Heddrich, M., Jahn, M.
Transient diffusion-controlled smoulder propagation: a similarity solution approach (2008)
One-, two- and three-dimensional time-dependent smoulder propagation through solid reactants with plane bounding surfaces is considered. Propagation is maintained by the diffusion of oxidizer from...
Plattenfoermiger keramischer Waermestrahlkoerper eines Infrarot-Flaechenstrahlers (2008)
DE 102008000010 A1 UPAB: 20090728 NOVELTY - The body has a ceramic plate including four edge sides (6) with macroscopic structurings greater than or equal to 0.5 millimeters, where the plate is...
Synthesis and properties of open-celled metal foams (2007)
Quadbeck, P., Stephani, G., Kümmel, K., Adler, J., Standke, G.
Open-celled metal foams were synthesized using a replication technique. Therefore a reticulated polyurethane template was coated by a slurry and removed thermally, followed by a sintering step. Since...
Todt, R, Jacke, T, Meyer, R, Adler, J, Laroy, R, Morthier, G, ...
The sampled grating tunable twin-guide (SG-TTG) laser diode is a DFB-like unable laser that employs Vernier-effect tuning to achieve wide wavelength tuning. In contrast to most other monolithe widely...
Jacke, T, Adler, J, Laroy, R, Morthier, Geert, ...
THE CRITICAL CONDITIONS IN THERMAL EXPLOSION THEORY WITH REACTANT CONSUMPTION, (2006)
The energy and chemical kinetic equations describing the behavior of a symmetrically heated reactive material with finitie heat of reaction have been analyzed. For first order reactions the...
Synthesis of open-celled metal foams by replication technique (2006)
Adler, J., Kümmel, K., Quadbeck, P., Standke, G., Stephani, G.
Open-celled metal foams were synthesized using a replication technique. Therefore a reticulated polyurethane template was coated by a slurry and removed thermally, followed by a sintering step. Since...
Nichtoxidisches keramisches Beschichtungspulver und daraus hergestellte Schichten (2006)
Adler, J., Berger, L.M., Ihle, J., Nebelung, M., Vuoristo, P., Maentylae, T.
WO2003004718 A UPAB: 20030218 NOVELTY - Non-oxidic ceramic coating powder contains a carbide or mixtures and/or compounds of carbides as main component, and compounds of aluminum and rare earth...
Ihle, J., Herrmann, M., Obenaus, P., Adler, J., Hermel, W., ...
The structure and the electrical properties of porous and dense liquid-phase sintered silicon carbide (LPS-SiC)ceramics containing yttria and alumina additives have been studied. The electrical...
Densification of liquid phase sintered silicon carbide (2006)
Can, A., Herrmann, M., McLachlan, D.S., Sigalas, I., Adler, J.
The densification and phase formation of liquid phase sintered silicon carbide (LPSSiC) with 10wt.% additives were investigated. The ratio of the Al(sub 2)O(sub 3)/Y(sub 2)O(sub 3)-additives was...
Monte Carlo simulations of compressible ising models: Do we understand them? (2006)
Landau, D. P., Dünweg, Burkhard, Laradji, M., Tavazza, F., Adler, J., Cannavaccioulo, L., ...
Zusammengesetzter Wabenkoerper (2006)
Adler, J., Richter, H., Lenk, R., Petasch, U., Holdschuh, C., Rahn, T., ...
DE 102006036498 A1 UPAB: 20080318 NOVELTY - Composite honeycomb structure comprises comprises prismatic segments whose sides are bonded together within the honeycomb structure over their whole length...
Sampled grating tunable twin-guide laser diodes with over 40-nm electronic tuning range (2005)
Jacke, T, Adler, J, Laroy, R, Morthier, Geert, ...
Sampled grating tunable twin-guide laser diodes with over 40-nm electronic tuning range (2005)
Todt, R, Jacke, T, Meyer, R, Adler, J, Laroy, R, Morthier, G, ...
Device and tuning characteristics of sampled grating tunable twin-guide laser diodes are presented. The vertically integrated, monolithic widely tunable laser requires only two tuning currents to...
Widely tunable twin-guide laser diodes with over 40 nm-tuning range (2005)
Todt, R, Jacke, T, Meyer, R, Adler, J, Laroy, R, Morthier, G, ...
Widely tunable twin-guide laser diodes at 1.55 µm (2005)
Todt, R, Jacke, T, Meyer, R, Adler, J, Laroy, R, Morthier, G, ...
Widely tunable twin-guide laser diodes at 1.55 µm are presented. The devices require only two tuning currents and provide full coverage of a 40 nm-tuning range with SMSR and output power above 30dB...
State-of-the-art performance of widely tunable twin-guide laser diodes (2005)
Todt, R, Jacke, T, Meyer, R, Adler, J, Laroy, R, Morthier, G, ...
BECKMAN,C., Adler,J., Bedrosian,S. D., Berkowitz,R. S., Chen,T. C.
Contents: Research guidelines for digital computer-controlled system for checkout and fault isolation Computer techniques for solving electric circuits for fault isolation Simplified explicit...
Beckman,C., Adler,J., Bedrosian,S. D., Berkowitz,R. S., Chen,T. C.
The purpose of the subject contract was to develop fault isolation test procedures for FADAC circuit boards expressed in FATAL II compiler language. A number of these test procedures were completed....
Beckman,C., Adler,J., Bedrosian,S. D., Berkowitz,R. S., Chen,T. C.
The FATAL II compiler-assembler system was specifically designed for use on automatic checkout and automatic testing problems. Since the object computer in the wide variety of automatic checkout...
Beckman,C., Adler,J., Bedrosian,S. D., Berkowitz,R. S., Chen,T. C.
This volume is devoted to the study of circuit analysis as applied to fault isolation and system analysis. The first four chapters illustrate systematic techniques and general purpose tools for...
Modular micro reaction system including ceramic components (2005)
Moritz, T., Lenk, R., Adler, J., Zins, M.
The Fraunhofer Alliance Modular Micro Reaction System (FAMOS), consisting of six Fraunhofer institutes, develops a software based micro reaction toolkit provided with all essential elements of...
Knochen-Ersatzmaterial und Verfahren zu seiner Herstellung (2005)
Leuner, B., Reif, D., Apel, H., Heymer, H., Standke, G., Adler, J.
DE 10201340 A UPAB: 20031006 NOVELTY - In bone substitute material, comprising calcium phosphate, which is produced by a Schwartzwalder process from a reticulated synthetic resin foam with a porosity...
Keramischer Partikelfilter und Verfahren zu seiner Herstellung (2005)
DE 10343438 A UPAB: 20050520 NOVELTY - Ceramic particle filter partially made from porous silicon carbide has a surface region (1) made from silicon carbide particles (2) which grow to form a rigid...
Adler, J., Ihle, J., Herrmann, M., Martin, H.
DE 10348819 A UPAB: 20050608 NOVELTY - Liquid phase sintered silicon carbide ceramic with high electrical conductivity, consists of SiC and a binding phase. The latter partially or totally surrounds...
Keramiknetzwerk, Verfahren zu dessen Herstellung und Verwendung (2005)
Adler, J., Heymer, H., Standke, G.
NOVELTY - A ceramic network, consisting of a two or three dimensional structure of interconnected ceramic ribs defining cavities with a (roughly) circular or (multiple) convex contour, is new....
Porous silicon carbide foam as electrical heater (2005)
Silicon carbide is electrically semi conductive. Its use as electrical heating element has been well known for more than 50 years. Therefore it is not surprising that foams made of silicon carbide...
Porous "silicon carbide diatomite" particles (2005)
Diatom are algaes which are able to grow a skeleton containing silicon oxide. Those algae form large sediments of so called diatomaceous earth (diatomite) which are mined for industrial purpose....
Porosity and electrical resistance of SiC materials (2005)
SiC material types like R-SiC or N-SiC have been known for decades. These materials can be produced only as porous materials. The disadvantages which is associated with porosity is a low mechanical...
The electrical behavior of cellular materials is determinded by the type of ceramic material, the amount of pores / cells, the specific pore features, and the general cellular structure. The...
Verbundwerkstoff und Verfahren zu seiner Herstellung (2005)
Adler, J., Standke, G., Stephani, G.
DE1004016874 A UPAB: 20051130 NOVELTY - A composite product having a non-metallic inorganic matrix and a 3-dimensional, repeating, firmly-bonded metal network is such that (1) the network makes up...
Heizelement fuer elektrische Strahlungsheizkoerper (2005)
Adler, J., Martin, H., Richter, H.
DE1004023483 A UPAB: 20060106 NOVELTY - A conductive electrically resistive paste is applied to a ceramic sheet and heat treated to form a sinusoidal waveform with small deviations in the plane of...
Ceramic diesel particulate filters (2005)
Twenty-five years of diesel particulate filter (DPF) developments have shown that ceramic materials are well-suited candidates to fulfill the harsh requirements of exhaust after treatment. The...
Ihle, J., Herrmann, M., Adler, J.
The structure and phase formation of porous liquid phase sintered silicon carbide (porous LPS-SiC), containing yttria and alumina additives have been studied. The present paper is focused on the...
Ihle, J., Herrmann, M., Adler, J.
During the sintering of porous liquid phase sintered silicon carbide (porous LPS-SiC) a strong interaction with the atmosphere takes place, influencing the composition and stability of porous LPS-SiC...
Ihle, J., Herrmann, M., Adler, J.
The structure and phase formation of porous liquid phase sintered silicon carbide (porous LPS-SiC), containing yttria and alumina additives have been studied. The present paper is focused on the...
Modular micro reaction system including ceramic components (2005)
Moritz, T., Lenk, R., Adler, J., Zins, M.
Micro reaction technology offers the possibility to improve the flexibility, selectivity, and mobility of chemical reactions in the chemical industry, process engineering, or pharmaceutical industry....
Widely tunable twin-guide laser diodes with over 40 nm-tuning range (2005)
TODT, R, JACKE, T, MEYER, R, ADLER, J, Laroy, Reinhard, Morthier, Geert, ...
Widely tunable twin-guide laser diodes at 1.55 µm (2005)
TODT, R, JACKE, T, MEYER, R, ADLER, J, Laroy, Reinhard, Morthier, Geert, ...
State-of-the-art performance of widely tunable twin-guide laser diodes (2005)
TODT, R, JACKE, T, MEYER, R, ADLER, J, Laroy, Reinhard, Morthier, Geert, ...
Sampled grating tunable twin-guide laser diodes with over 40-nm electronic tuning range (2005)
TODT, R, JACKE, T, MEYER, R, ADLER, J, Laroy, Reinhard, Morthier, Geert, ...
SOLPOR Charakterisierung von Strömungsinstabilitäten in volumetrischen Solarreceivern (2004)
Reutter, O., Buck, R., Fend, T., Hoffschmidt, B., Pfahl, A., Nemoda, S., ...
Keramische Mehrschichtenfilter und Verfahren zu deren Herstellung (2004)
Adler, J., Lenk, R., Richter, H.
DE 19857591 A UPAB: 20000801 NOVELTY - A ceramic laminated filter has a support layer and at least one layer of finer ceramic particles. The surface of all particles is (partly) wetted by a material...
WO2004083768 A UPAB: 20041019 NOVELTY - High-strength planar structures for end-ballistic protection and protection against wear comprises individual bodies that provide the high-strength planar...
Smouldering front shapes for steady propagation in a stratified medium (2004)
The steady propagation of a smouldering reaction front parallel to the faces of a solid reactive slab has been considered with the density of the reactive material changing with distance from one...
System und Verfahren zur Nachbehandlung von Verbrennungskraftmaschinenabgasen (2003)
Zikoridse, G., Bach, E., Adler, J., Bergmann, G.
DE 10160639 A UPAB: 20030919 NOVELTY - Exhaust is passed through an open-pore ceramic foam. This is formed by sintering or reaction. The foam has locally-defined variations in its pore structure....
Poroese Siliciumcarbid-Keramik und Verfahren zu ihrer Herstellung (2003)
WO2003070661 A UPAB: 20030915 NOVELTY - A porous ceramic comprises silicon carbide particles sintered with binding phase comprising smaller particles than those of silicon carbide matrix. DETAILED...
Herrmann, M., Schilm, J., Michael, G., Adler, J.
New cutting tools, high-strength bioceramics and armor materials all request small sub-.mu.m grain sizes at high sintered densities > 99,5 %, and the business is still more difficult when for highly...
Siliciumcarbid-Schaumkeramik im Abgasstrang (2003)
Adler, J., Standke, G., Zikoridse, G.
Offenzellige Schaumkeramik eignet sich für einen Einsatz im Abgasstrang und zwar in der Funktion als Mischer, Katalysatorträger, Partikelfilter und Schalldämpfer. Im Mittelpunkt dieser...
Material und Bauteilqualifizierung keramischer Heißgasfilterelemente (2003)
Westerheide, R., Wehd, C. Von Der, Adler, J., Rehak, P.
The combined cycle technology for advanced coal fired power plants enables higher genera-tion efficiencies than the only steam cycle based technology. However, temperatures up to 950 °C by using the...
Keramische Flachmembran und Verfahren zu ihrer Herstellung (2003)
Adler, J., Lenk, R., Richter, H., Stockmann, R., Tocha, D., Stroh, N., ...
DE 19857590 A UPAB: 20000811 NOVELTY - Flat ceramic membrane has not less than 2 layers of the same thickness with parts of not less than 2 different porosities. At least one layer has non-planar...
Offenzellige Schaumkeramik. Tl.2 (2003)
A review. Foam ceramics are well established as filtration materials in the foundry industry. Due to their unique structure and the possibilities opened up by high-performance ceramics, foam ceramics...
Integriertes Misch- und Schaltsystem fuer die Mikroreaktionstechnik (2003)
Moritz, T., Lenk, R., Adler, J.
WO2003089129 A UPAB: 20031203 NOVELTY - The integrated mixing and switching system, for micro-reactor technology, has an upper and a lower section with an insert section between them fitted into a...
Charakterisierung von Strömungsinstabilitäten in volumetrischen Solarreceivern (2002)
Reutter, O., Hoffschmidt, B., Fend, Th., Trimis, D., Decker, S., Nemoda, S., ...
Westerheide, R., Wehd, C. Von Der, Rehak, P., Adler, J.
In the combined cycle technology for advanced coal fired power plants at high temperatures up to 950 °C the removal of particles from the stream to the gas turbine is carried out with ceramic filter...
Westerheide, R., Wehd, C. Von Der, Rehak, P., Adler, J.
In the combined cycle technology for advanced coal fired power plants at high temperatures up to 950 °C the removal of particles from the stream to the gas turbine is carried out with ceramic filter...
Effect of combustion conditions on properties of ceramic hot gas filter materials (2002)
Westerheide, R., Rehak, P., Adler, J., Angermann, J., Meyer, B.
The removal of particles from the hot gas in many advanced coal fired power plants works at high temperatures. To ensure a guarenteed lifetime of about 16000 h the effect of combustion or...
Kostengünstige Flachmembranen aus Keramik - Herstellung und Leistungsdaten (2002)
Adler, J., Lenk, R., Westerheide, R., Herterich, U., Stroh, N.
Novel, corrugated ceramic flat membranes for micro- and ultrafiltration applications have been developed in the framework of an interdisciplinary cooperation between the Fraunhofer institutes IWM,...
Offenzellige Siliciumcarbid-Schaumkeramik und Verfahren zu ihrer Herstellung (2002)
WO 200220426 A UPAB: 20020610 NOVELTY - An open-celled silicon carbide foam ceramic comprises a three-dimensional crosslinked ceramic structure of open cells lying between stays made of sintered...
Verfahren zur Herstellung eines keramischen Daemmstoffes (2002)
DE 10043666 C UPAB: 20011113 NOVELTY - Production of a ceramic insulating material, comprises dispersing organic short fibers in a liquid. The liquid is a suspension of ceramic particles and a...
Advances in hot gas filtration technique (2001)
The efficiency of coal fired power plants is mainly a function of the firing process. However the process parameters have to meet the requirements of the raw gas filtration unit, when a gas turbine...
Poroese Siliciumcarbidkeramik und Verfahren zu ihrer Herstellung (2001)
Adler, J., Klose, T., Stoever, H., Teichgräber, M.
A novel porous silicon carbide ceramic has a SiC content of more than 90 (preferably more than 95)%, consists of SiC particles with an aspect ratio of much less than 3 bonded together by SiC and...
Offenzellige Schaumkeramik mit hoher Festigkeit und Verfahren zu deren Herstellung (2001)
Adler, J., Standke, G., Teichgräber, M.
A novel high strength, open-celled foamed ceramic has the internal cavities, cracks and porosity of the ceramic bridges completely or partially filled with one or more metallic and/or ceramic phases....
Lenk, R., Loeschau, W., Scharek, S., Teichgraeber, M., Richter, C., Nowotny, S., ...
Producing a silicon-containing non-oxide ceramic material comprises subjecting a green body or layer, formed from a homogeneous powder of a non-oxidic silicon compound or pure silicon, to heat...
Siliciumcarbide - is it an alternative to suction cups made of aluminumoxide? (2000)
Göttlein, A., Adler, J., Blasek, R.
Siliziumcarbid (SiC) ist ein relativ neues nichtoxidisches Keramikmaterial. Es wird getestet, ob unterschiedlich vorbehandeltes SiC im Vergleich zu einer Aluminiumoxid-Keramik (P80) eine geringere...
Kostengünstige keramische Flachmembranen (1999)
Es wird ein kostenguenstiges Herstellungsverfahren fuer keramische Membranen vorgestellt. Das Konzept basiert auf der Entwicklung eines cofiringfaehigen SiC-Werkstoffsystems Support/...
Verfahren zur Herstellung von keramischen Bauteilen (1999)
Lenk, R., Alm, B., Adler, J., Nebelung, M.
NOVELTY - Ceramic components are produced using a suspension of a sintering additive in an organic interface active substance solution which is mixed, before or after solvent removal, with a ceramic...
Sinteruntersuchungen an LPS-SiC (1999)
Schüsselbauer, E., Adler, J., Jaenicke-Rößler, K., Leitner, G.
Flüssigphasengesintertes (LPS) Siliciumcarbid ist eine vielversprechende Werkstoffgruppe der Siliciumcarbidkeramiken, die sich vor allem durch hohe Bruchzähigkeiten und Festigkeiten, sowie die für...
Keramiknetzwerke CeraNet (1999)
Adler, J., Heymer, H., Standke, G.
Netzartig strukturierte Keramiken in Form von offenzelligen Schaumkeramiken werden als Metallschmelzenfilter schon länger verwendet. Sie werden durch Abformung von Polymerschäumen hergestellt. Mit...
Lenk, R., Adler, J., Schubert, C., Teichgräber, M.
A shaped article of ceramic, powder metallurgical or composite material has a material compsn. and/or internal structure which varies continuously or discontinuously in one, two or all three spatial...
Eigenschaften drucklos gesinterter TiC-Keramik und TiC/SiC-Composite (1999)
Es wird die Entwicklung eines keramisch gebundenen Titancarbid-Werkstoffs vorgestellt, der unter Anwendung flüssigphasenbildender Additive mittels druckloser Sinterung auf relative Sinterdichten >...
Development of ceramic filter materials for particle removal above 800 deg C (1999)
Westerheide, R., Adler, J., Walch, A., Völker, W., Buhl, H., Fister, D.
The hot gas particulate removal of many advanced coal fired power generation technologies works at temperatures above 800 deg C. The filter elements for these applications are often based on ceramic...
THE CRITICAL CONDITIONS IN THERMAL EXPLOSION THEORY FOR NTH ORDER REACTIONS, (1998)
For nth order chemical reactions, the relationships between various parameters at thermal criticality are obtained. This work is an extension of earlier work dealing with first order reactions....
Sintered silicon nitride (SSN) is a well-known and well-established, hard wearing material for grinding balls used in diverse applications. By contrast, the use of pressureless sintered silicon...
Non-planar smoulder propagation governed by diffusion (1998)
The steady propagation of a thin smouldering front in a half-space has been considered. A suitable coordinate transformation has allowed the region near the leading edge of the front to be examined...
Keramische Wälzlager für Anwendungen in korrosiven Medien (1997)
Herrmann, M., Krell, A., Adler, J., Wötting, G., Hollstein, T., Pfeifer, W., ...
Filter aus Hochleistungskeramik für die Energietechnik (1996)
Hollstein, T., Buhl, H., Adler, J., Kalthoff, U., Fister, D., Völker, W., ...
Comparison of Basis Selection Methods (1996)
J. Adler, B. D. Rao, K. Kreutz-delgado
In this paper, we describe and evaluate three forward sequential basis selection methods: Basic Matching Pursuit (BMP), Order Recursive Matching Pursuit (ORMP) and Modified Matching Pursuit (MMP),...
LPS-SIC. Flüssigphasengesintertes Siliciumcarbid: Informationsblatt (1995)
Als flüssigphasengesintertes Siliciumcarbid (LPS-SiC= wird eine neue Werkstoffgruppe der Siliciumcarbidkeramiken bezeichnet. Gegenüber den bisher üblichen SiC-Werkstoffen (SSiC, HPSiC, HPSiC)...
Ceramics with controlled porosity: Informationsblatt (1995)
Processing of porous inorganic materials has received much attention in the past few years. It has been driven by the demand for durable filter material with high mechanical, chemical and thermal...
Thermoplastic forming techniques were used to study the alignement of the platelets (d50 = 14 mm, aspect ratio 8 ... 10) and the effect on densification of a liquid phase sintered silicon carbide...
The alignement of SiC- platelets and the effect on densification of a liquid phase sintered silicon carbide composite were studied. Dry pressing and thermoplastic forming techniques (injection...
Time-dependent laser ignition of a combustible stagnant boundary layer (1995)
A spatially one-dimensional model for the ignition of a combustible gas layer adjacent to a plane solid surface is considered. The effect of an incident laser beam from the gas side is to raise the...
Liquid phase sintered silicon carbide composites (1994)
Adler, J., Lenk, R., Teichgräber, M.
It has been showed that Silicon carbide can already be sintered to more than 98percent of the theoretical density at already 1900 deg. cent by using liquid phase sintering additives. By variation of...
Flüssigphasengesintertes Siliciumcarbid und Siliciumcarbi-Composite (1994)
Adler, J., Lenk, R., Teichgräber, M.
Unter den modernen Konstruktionskeramiken zeichnen sich Siliciumicarbid-Werkstoffe durch eine Kombination von extremer Härte, guter thermischer Leitfähigkeit und hohem Korrosionswiderstand, sowie...
Ceramic membranes with high physical and chamical stability based on SiC and Si3N4 (1994)
Schubert, C., Adler, J., Klose, T.
Because of their universal applicability under extremely demanding conditions, non-oxide ceramic membranes are able to extend the present area of applications and to realize novel separation...
HERBERT, D. M., KERR, C. E., ADLER, J.
The authors consider the steady propagation of a two-dimensional diffusioncontrolled smouldering reaction front parallel to the plane boundary of a semi-infinite nonporous reactant. The reaction...
DIFFUSION-CONTROLLED SMOULDERING COMBUSTION WITH MATERIAL SHRINKAGE (1994)
HERBERT, D. M., KERR, C. E., ADLER, J.
The propagation of a two-dimensional smouldering reaction front through a semi-infinite solid is considered. The effects of material shrinkage, resulting from the passage of the combustion wave...
High-Temperature Series Analyses of the Classical Heisenberg and XY Model (1993)
Adler, J., Holm, C., Janke, W.
Although there is now a good measure of agreement between Monte Carlo and high-temperature series expansion estimates for Ising ($n=1$) models, published results for the critical temperature from...
Mechanical behaviour of pressureless sinterd SiC at high temperatures. (1993)
Wolf, C., Huebner, H., Adler, J.
Pressureless sintering is a useful fabrication method for ceramic bodies since it provides a variety of shapes at relatively low costs. Silicon carbide was shown to be sintered at already 1900 deg....
The main purpose of the project was to develop a pressureless sintered Silicon Carbide ceramic reinforced with platelets to reach both higher toughness and strength at elevated temperatures. In...
Lenk, R., Däberitz, K., Adler, J.
Drucklos gesintertes Siliziumcarbid (SSiC) zeichnet sich durch hervorragende Eigenschaften wie Hochtemperaturfestigkeit, Beständigkeit gegen chemische Korrosion und abrasive Beanspruchungen aus....
Reply to 'Comment on the need to introduce a T=l quasi-deuteron'. (1992)
Van Hoorebeke, Luc, Ryckbosch, Dirk, Van De Vyver, Robert, De Smet, Fabienne, ADLER, J, ANDERSON, BE, ...
Muscarinic antagonist action of clinical doses of chloroquine in healthy volunteers (1988)
An investigation was undertaken into possible vagolytic effects of chloroquine. A single oral dose of chloroquine was given to healthy human volunteers and its influence on vagally mediated heart...
OUR attention has been drawn to the fact that the criticality condition Θ* = 1 of Adler & Herbert (1985), for well-stirred reactive systems, has been derived previously (Gray, 1975). It...
The Critical Conditions in a Reactive Slab with Slowly Varying Surface Temperature (1985)
Liouville's non-linear partial differential equation is considered for an infinite rectangular strip domain with a slowly varying boundary condition. The equation describes a layer of chemically...
The autonomous differential equations for the temperature and reactant consumption in a first-order well-stirred exothermic reaction are considered. An examination of the phase-plane solutions allows...
The mechanism and site of action of clonidine in the rat. (1983)
Thesis (Ph. D.)--University of Edinburgh, 1983.
A STUDY OF INSTABILITIES IN SUPERCONDUCTING TUNNEL JUNCTIONS (1978)
Superconducting tunnel junctions often exhibit instabilities. This paper relates the bias at which the instability occurs to the barrier thickness, as well as showing the magnetic field dependence of...
A STUDY OF INSTABILITIES IN SUPERCONDUCTING TUNNEL JUNCTIONS (1978)
Superconducting tunnel junctions often exhibit instabilities. This paper relates the bias at which the instability occurs to the barrier thickness, as well as showing the magnetic field dependence of...
A STUDY OF INSTABILITIES IN SUPERCONDUCTING TUNNEL JUNCTIONS (1978)
Superconducting tunnel junctions often exhibit instabilities. This paper relates the bias at which the instability occurs to the barrier thickness, as well as showing the magnetic field dependence of...
FLAME IGNITION FROM A SPHERICAL HOT GAS POCKET (1966)
The energy conservation equation for a spherical hot gas bubble in a stagnant atmosphere of fuel and oxygen has been examined. By assuming the reaction rate to be of simple step-function form,...
Non-iron porphyrins cause tumbling to blue light by an Escherichia coli mutant defective in hemG.
Yang, H, Sasarman, A, Inokuchi, H, Adler, J
Previously we showed that an Escherichia coli hemH mutant, defective in the ultimate step of heme synthesis, ferrochelatase, is somewhat better than 100-fold more sensitive than its wild-type parent...
Cytoplasmic free-Ca2+ levels in Escherichia coli were measured by use of the fluorescent Ca(2+)-indicator dye fura-2. Chemotactically wild-type E. coli regulated cytoplasmic free Ca2+ at...
Phototaxis away from blue light by an Escherichia coli mutant accumulating protoporphyrin IX.
Yang, H, Inokuchi, H, Adler, J
The hemH gene of Escherichia coli encodes ferrochelatase (EC 4.99.1.1), the enzyme that catalyzes the last step in the production of heme, namely the synthesis of heme from protoporphyrin IX plus...
On the identity of the major postsynaptic density protein.
Wu, K, Huang, Y, Adler, J, Black, I B
Increasing evidence suggests that the postsynaptic density (PSD) plays a critical role in synaptic communication and plasticity. The major PSD protein (mPSDp), a calcium/calmodulin-dependent protein...
Calcium ions are involved in Escherichia coli chemotaxis.
Escherichia coli regulates intracellular free Ca2+ at about 90 nM [Gangola, P. & Rosen, B. P. (1987) J. Biol. Chem. 262, 12570-12574]. To increase intracellular free Ca2+, nitr-5/Ca2+, a "caged" Ca2+...
Chemotactic properties of Escherichia coli mutants having abnormal Ca2+ content.
The calA, calC, and calD mutants of Escherichia coli are known to be sensitive to Ca2+ (R. N. Brey and B. P. Rosen, J. Bacteriol. 139:824-834, 1979). In the absence of any added stimuli for...
Shi, W, Stocker, B A, Adler, J
We have reported that motile Escherichia coli K-12 placed in an electric field swims toward the anode but that motile Salmonella typhimurium strains swim toward the cathode, a phenomenon called...
Inhibition of Escherichia coli chemotaxis by omega-conotoxin, a calcium ion channel blocker.
Tisa, L S, Olivera, B M, Adler, J
Escherichia coli chemotaxis was inhibited by omega-conotoxin, a calcium ion channel blocker. With Tris-EDTA-permeabilized cells, nanomolar levels of omega-conotoxin inhibited chemotaxis without loss...
Adverse conditions which cause lack of flagella in Escherichia coli.
Li, C, Louise, C J, Shi, W, Adler, J
Wild-type Escherichia coli was not motile when grown in tryptone broth under the following adverse conditions: the presence of high temperature [J. Adler and B. Templeton, J. Gen. Microbiol....
Mechanism of adverse conditions causing lack of flagella in Escherichia coli.
Shi, W, Li, C, Louise, C J, Adler, J
Escherichia coli lacks flagella when grown in tryptone broth in the presence of various adverse conditions (C. Li, C. J. Louise, W. Shi, and J. Adler, J. Bacteriol. 175:2229-2235, 1993). Now, the...
Escherichia coli shows two types of behavioral responses to osmotic upshift.
Behavioral responses to osmotic upshift were characterized by temporal assays of free-swimming cells of Escherichia coli. Small osmotic upshifts (200 to 300 mosM) elicited tumble responses which were...
Behavioral responses of Escherichia coli to changes in temperature caused by electric shock.
The behavioral response of Escherichia coli to electric shock in 10(-2) M potassium phosphate plus 10(-4) M potassium EDTA was studied. When presented with a 150-V/cm electric shock that lasted 250...
DnaK, DnaJ, and GrpE are required for flagellum synthesis in Escherichia coli.
Shi, W, Zhou, Y, Wild, J, Adler, J, Gross, C A
The DnaK, DnaJ, and GrpE heat shock proteins are required for motility of Escherichia coli. Cells deleted for dnaK or dnaJ, or with some mutations in the dnaK or grpE gene, are nonmotile, lack...
Effect of outer membrane permeability on chemotaxis in Escherichia coli.
Ingham, C, Buechner, M, Adler, J
The relationship between outer membrane permeability and chemotaxis in Escherichia coli was studied on mutants in the major porin genes ompF and ompC. Both porins allowed passage of amino acids...
Changes in the membrane potential, pH gradient, proton motive force, and intracellular pH of Escherichia coli were followed during the chemotactic responses to a variety of potentially...
Cell envelopes of chemotaxis mutants of Escherichia coli rotate their flagella counterclockwise.
Flagella rotated exclusively counterclockwise in Escherichia coli cell envelopes prepared from wild-type cells, whose flagella rotated both clockwise and counterclockwise, from mutants rotating their...
Black, R A, Hobson, A C, Adler, J
We report that in Escherichia coli, chemotaxis to sugars transported by the phosphotransferase system is mediated by adenylate cyclase, the nucleotide cyclase linked to the phosphotransferase system....
Osmotaxis in Escherichia coli.
Li, C, Boileau, A J, Kung, C, Adler, J
The escape of motile organisms from high concentrations of chemicals was studied in Escherichia coli. We have found all chemicals tested to be osmorepellents. It was shown in both a spatial assay and...
Genetic and biochemical properties of Escherichia coli mutants with defects in serine chemotaxis.
In Escherichia coli, taxis to certain chemoeffectors is mediated through an intrinsic membrane protein called methyl-accepting chemotaxis protein I (MCP I), which is the product of the tsr gene....
Salt taxis in Escherichia coli bacteria and its lack in mutants.
Escherichia coli is attracted to a variety of salts. This attraction is highly reduced in mutants missing a known transducer, the methyl-accepting chemotaxis protein I; there is a smaller role for...
Pressure-sensitive ion channel in Escherichia coli.
Martinac, B, Buechner, M, Delcour, A H, Adler, J, Kung, C
We have used the patch-clamp electrical recording technique on giant spheroplasts of Escherichia coli and have discovered pressure-activated ion channels. The channels have the following properties:...
Black, R A, Hobson, A C, Adler, J
The intracellular signal that produces changes in swimming behavior when bacteria encounter attractants or repellents has not previously been identified. We suggest, based on the following lines of...
Kondoh, H, Ball, C B, Adler, J
The ribose and galactose chemoreceptors of Escherichia coli have previously been identified as the ribose- and galactose-binding proteins. We now report the discovery of a methyl-accepting chemotaxis...
Springer, M S, Kort, E N, Larsen, S H, Ordal, G W, Reader, R W, Adler, J
Chemotactic responses are mediated by modulation of the frequency of tumbling. Studies with methionine auxotrophs of wild-type Escherichia coli and four mutants which tumble continuously show that...
Sensory transduction in Escherichia coli: a requirement for methionine in sensory adaptation.
Springer, M S, Goy, M F, Adler, J
Chemotaxis of E. coli is a behavioral response to a change in the concentration of a stimulatory compound. The response is transient; thus, E. coli undergoes sensory adaptation. In this...
Toews, M L, Goy, M F, Springer, M S, Adler, J
A group of methylated proteins, the methyl-accepting chemotaxis proteins (MCP), has been shown to play a central role in bacterial chemotaxis. Both methylation and demethylation of MCP occur...
Kleene, S J, Hobson, A C, Adler, J
During bacterial chemotaxis, attractants and repellents alter the methylation levels of the methyl-accepting chemotaxis proteins (MCPs). These methylation levels represent a balance between two...
Change in membrane potential during bacterial chemotaxis.
To find out if there are changes in membrane potential during bacterial chemotaxis, we measured the membrane potential of Escherichia coli indirectly by use of the permeating, lipid-soluble cation...
Springer, M S, Goy, M F, Adler, J
The properties of two classes of behavioral mutants of Escherichia coli (called tsr and tar) are described. The mutations in these strains define two complementary pathways of information flow in...
Methylation of a membrane protein involved in bacterial chemotaxis.
Kort, E N, Goy, M F, Larsen, S H, Adler, J
A protein methylation reaction involved in chemotaxis of Escherichia coli has been identified. The involvement of this reaction in chemotaxis in indicated by four lines of evidence. (a) The...
Virus-like particles from killer, neutral, and sensitive strains of Saccharomyces cerevisiae.
Adler, J, Wood, H A, Bozarth, R F
Procedures were developed for purification of virus-like particles (VLPs) from killer, neutral, and sensitive strains of Saccharomyces cerevisiae. Morphologically similar spherical VLPs measuring 40...
Sussman, K E, Pollard, H B, Leitner, J W, Nesher, R, Adler, J, Cerasi, E
Somatostatin receptors appear to be localized to secretory granules in pancreatic islet homogenates. Recruitment of these receptors to the islet-cell surfaces may mark the contact event between...
Removal of glycosaminoglycans from cultures of human skin fibroblasts.
Gill, P J, Adler, J, Silbert, C K, Silbert, J E
Early-passage human skin fibroblasts were grown as monolayers for 2-3 days in minimum essential medium containing [35S]sulphate, [3H]glucosamine, [3H]fucose, [3H]proline or [3H]leucine to label...
Modified reconstitution method used in patch-clamp studies of Escherichia coli ion channels.
Delcour, A H, Martinac, B, Adler, J, Kung, C
We have modified the procedure of Criado and Keller (1987) to study ion channels of Escherichia coli reconstituted in liposomes. The modifications include (a) excluding the use of any detergent and...
Chemotactic response of Escherichia coli to chemically synthesized amino acids.
In Escherichia coli, seven of the commonly occurring amino acids are strong attractants: L-aspartate, L-serine, L-glutamate, L-alanine, L-asparagine, glycine, and L-cysteine, in order of decreasing...
Primary blast injury after a bomb explosion in a civilian bus.
Katz, E, Ofek, B, Adler, J, Abramowitz, H B, Krausz, M M
A 6-kg explosive charge detonated under a seat in the center of a crowded city bus in Jerusalem, killing three passengers immediately. Of the 55 survivors, all of whom were transferred to two major...
Non-iron porphyrins cause tumbling to blue light by an Escherichia coli mutant defective in hemG.
Yang, H, Sasarman, A, Inokuchi, H, Adler, J
Previously we showed that an Escherichia coli hemH mutant, defective in the ultimate step of heme synthesis, ferrochelatase, is somewhat better than 100-fold more sensitive than its wild-type parent...
Cytoplasmic free-Ca2+ levels in Escherichia coli were measured by use of the fluorescent Ca(2+)-indicator dye fura-2. Chemotactically wild-type E. coli regulated cytoplasmic free Ca2+ at...
Phototaxis away from blue light by an Escherichia coli mutant accumulating protoporphyrin IX.
Yang, H, Inokuchi, H, Adler, J
The hemH gene of Escherichia coli encodes ferrochelatase (EC 4.99.1.1), the enzyme that catalyzes the last step in the production of heme, namely the synthesis of heme from protoporphyrin IX plus...
On the identity of the major postsynaptic density protein.
Wu, K, Huang, Y, Adler, J, Black, I B
Increasing evidence suggests that the postsynaptic density (PSD) plays a critical role in synaptic communication and plasticity. The major PSD protein (mPSDp), a calcium/calmodulin-dependent protein...
Calcium ions are involved in Escherichia coli chemotaxis.
Escherichia coli regulates intracellular free Ca2+ at about 90 nM [Gangola, P. & Rosen, B. P. (1987) J. Biol. Chem. 262, 12570-12574]. To increase intracellular free Ca2+, nitr-5/Ca2+, a "caged" Ca2+...
Chemotactic properties of Escherichia coli mutants having abnormal Ca2+ content.
The calA, calC, and calD mutants of Escherichia coli are known to be sensitive to Ca2+ (R. N. Brey and B. P. Rosen, J. Bacteriol. 139:824-834, 1979). In the absence of any added stimuli for...
Shi, W, Stocker, B A, Adler, J
We have reported that motile Escherichia coli K-12 placed in an electric field swims toward the anode but that motile Salmonella typhimurium strains swim toward the cathode, a phenomenon called...
Inhibition of Escherichia coli chemotaxis by omega-conotoxin, a calcium ion channel blocker.
Tisa, L S, Olivera, B M, Adler, J
Escherichia coli chemotaxis was inhibited by omega-conotoxin, a calcium ion channel blocker. With Tris-EDTA-permeabilized cells, nanomolar levels of omega-conotoxin inhibited chemotaxis without loss...
Adverse conditions which cause lack of flagella in Escherichia coli.
Li, C, Louise, C J, Shi, W, Adler, J
Wild-type Escherichia coli was not motile when grown in tryptone broth under the following adverse conditions: the presence of high temperature [J. Adler and B. Templeton, J. Gen. Microbiol....
Mechanism of adverse conditions causing lack of flagella in Escherichia coli.
Shi, W, Li, C, Louise, C J, Adler, J
Escherichia coli lacks flagella when grown in tryptone broth in the presence of various adverse conditions (C. Li, C. J. Louise, W. Shi, and J. Adler, J. Bacteriol. 175:2229-2235, 1993). Now, the...
Escherichia coli shows two types of behavioral responses to osmotic upshift.
Behavioral responses to osmotic upshift were characterized by temporal assays of free-swimming cells of Escherichia coli. Small osmotic upshifts (200 to 300 mosM) elicited tumble responses which were...
Behavioral responses of Escherichia coli to changes in temperature caused by electric shock.
The behavioral response of Escherichia coli to electric shock in 10(-2) M potassium phosphate plus 10(-4) M potassium EDTA was studied. When presented with a 150-V/cm electric shock that lasted 250...
DnaK, DnaJ, and GrpE are required for flagellum synthesis in Escherichia coli.
Shi, W, Zhou, Y, Wild, J, Adler, J, Gross, C A
The DnaK, DnaJ, and GrpE heat shock proteins are required for motility of Escherichia coli. Cells deleted for dnaK or dnaJ, or with some mutations in the dnaK or grpE gene, are nonmotile, lack...
Effect of outer membrane permeability on chemotaxis in Escherichia coli.
Ingham, C, Buechner, M, Adler, J
The relationship between outer membrane permeability and chemotaxis in Escherichia coli was studied on mutants in the major porin genes ompF and ompC. Both porins allowed passage of amino acids...
Changes in the membrane potential, pH gradient, proton motive force, and intracellular pH of Escherichia coli were followed during the chemotactic responses to a variety of potentially...
Chemotactic response of Escherichia coli to chemically synthesized amino acids.
In Escherichia coli, seven of the commonly occurring amino acids are strong attractants: L-aspartate, L-serine, L-glutamate, L-alanine, L-asparagine, glycine, and L-cysteine, in order of decreasing...
Cell envelopes of chemotaxis mutants of Escherichia coli rotate their flagella counterclockwise.
Flagella rotated exclusively counterclockwise in Escherichia coli cell envelopes prepared from wild-type cells, whose flagella rotated both clockwise and counterclockwise, from mutants rotating their...
Black, R A, Hobson, A C, Adler, J
We report that in Escherichia coli, chemotaxis to sugars transported by the phosphotransferase system is mediated by adenylate cyclase, the nucleotide cyclase linked to the phosphotransferase system....
Osmotaxis in Escherichia coli.
Li, C, Boileau, A J, Kung, C, Adler, J
The escape of motile organisms from high concentrations of chemicals was studied in Escherichia coli. We have found all chemicals tested to be osmorepellents. It was shown in both a spatial assay and...
Genetic and biochemical properties of Escherichia coli mutants with defects in serine chemotaxis.
In Escherichia coli, taxis to certain chemoeffectors is mediated through an intrinsic membrane protein called methyl-accepting chemotaxis protein I (MCP I), which is the product of the tsr gene....
Salt taxis in Escherichia coli bacteria and its lack in mutants.
Escherichia coli is attracted to a variety of salts. This attraction is highly reduced in mutants missing a known transducer, the methyl-accepting chemotaxis protein I; there is a smaller role for...
Pressure-sensitive ion channel in Escherichia coli.
Martinac, B, Buechner, M, Delcour, A H, Adler, J, Kung, C
We have used the patch-clamp electrical recording technique on giant spheroplasts of Escherichia coli and have discovered pressure-activated ion channels. The channels have the following properties:...
Black, R A, Hobson, A C, Adler, J
The intracellular signal that produces changes in swimming behavior when bacteria encounter attractants or repellents has not previously been identified. We suggest, based on the following lines of...
Kondoh, H, Ball, C B, Adler, J
The ribose and galactose chemoreceptors of Escherichia coli have previously been identified as the ribose- and galactose-binding proteins. We now report the discovery of a methyl-accepting chemotaxis...
Springer, M S, Kort, E N, Larsen, S H, Ordal, G W, Reader, R W, Adler, J
Chemotactic responses are mediated by modulation of the frequency of tumbling. Studies with methionine auxotrophs of wild-type Escherichia coli and four mutants which tumble continuously show that...
Sensory transduction in Escherichia coli: a requirement for methionine in sensory adaptation.
Springer, M S, Goy, M F, Adler, J
Chemotaxis of E. coli is a behavioral response to a change in the concentration of a stimulatory compound. The response is transient; thus, E. coli undergoes sensory adaptation. In this...
Toews, M L, Goy, M F, Springer, M S, Adler, J
A group of methylated proteins, the methyl-accepting chemotaxis proteins (MCP), has been shown to play a central role in bacterial chemotaxis. Both methylation and demethylation of MCP occur...
Kleene, S J, Hobson, A C, Adler, J
During bacterial chemotaxis, attractants and repellents alter the methylation levels of the methyl-accepting chemotaxis proteins (MCPs). These methylation levels represent a balance between two...
Change in membrane potential during bacterial chemotaxis.
To find out if there are changes in membrane potential during bacterial chemotaxis, we measured the membrane potential of Escherichia coli indirectly by use of the permeating, lipid-soluble cation...
Springer, M S, Goy, M F, Adler, J
The properties of two classes of behavioral mutants of Escherichia coli (called tsr and tar) are described. The mutations in these strains define two complementary pathways of information flow in...
Methylation of a membrane protein involved in bacterial chemotaxis.
Kort, E N, Goy, M F, Larsen, S H, Adler, J
A protein methylation reaction involved in chemotaxis of Escherichia coli has been identified. The involvement of this reaction in chemotaxis in indicated by four lines of evidence. (a) The...
Virus-like particles from killer, neutral, and sensitive strains of Saccharomyces cerevisiae.
Adler, J, Wood, H A, Bozarth, R F
Procedures were developed for purification of virus-like particles (VLPs) from killer, neutral, and sensitive strains of Saccharomyces cerevisiae. Morphologically similar spherical VLPs measuring 40...
Sussman, K E, Pollard, H B, Leitner, J W, Nesher, R, Adler, J, Cerasi, E
Somatostatin receptors appear to be localized to secretory granules in pancreatic islet homogenates. Recruitment of these receptors to the islet-cell surfaces may mark the contact event between...
Removal of glycosaminoglycans from cultures of human skin fibroblasts.
Gill, P J, Adler, J, Silbert, C K, Silbert, J E
Early-passage human skin fibroblasts were grown as monolayers for 2-3 days in minimum essential medium containing [35S]sulphate, [3H]glucosamine, [3H]fucose, [3H]proline or [3H]leucine to label...
Modified reconstitution method used in patch-clamp studies of Escherichia coli ion channels.
Delcour, A H, Martinac, B, Adler, J, Kung, C
We have modified the procedure of Criado and Keller (1987) to study ion channels of Escherichia coli reconstituted in liposomes. The modifications include (a) excluding the use of any detergent and...
Primary blast injury after a bomb explosion in a civilian bus.
Katz, E, Ofek, B, Adler, J, Abramowitz, H B, Krausz, M M
A 6-kg explosive charge detonated under a seat in the center of a crowded city bus in Jerusalem, killing three passengers immediately. Of the 55 survivors, all of whom were transferred to two major...
Thyroid function and physical activity. A preliminary communication.
Adler, J., Brown, K., Craig, M., Price, D. J., Wardlaw, J. M.
Facilitating location independence with computerized conversation systems
Location independence for organizations is desirable if they wish to achieve a given spatial distribution in a regional development plan. An organization's interaction with its environment forms the...
Van Den Abeele, Caroline, Ryckbosch, Dirk, Ryckebusch, Jan, DIAS, J, Van Hoorebeke, Luc, Van De Vyver, Robert, ...
The ^Li(y,p) reaction at intermediate photon energies. Nucl. Phys. A587 (1995), 434-448.
DIAS, JF, Ryckbosch, Dirk, Van De Vyver, Robert, Van Den Abeele, Caroline, De Meyer, Gert, Van Hoorebeke, Luc, ...