Control of apple scab by curative applications of biocontrol agents (2008)
Kunz, S., Mögel, G., Hinze, M., Volk, F.
In organic apple growing protective applications with copper, sulphur or lime sulphur are used for apple scab control. Protective applications have to be repeated when new leaves unfold. The timing...
Kienzle, J., Zimmer, J., Volk, F., Zebitz, C.P.W.
When resistance to the Mexican isolate of Cydia pomonella Granulovirus (CpGV-M) arose in several organic orchards in Germany in 2004 and 2005, the future of codling moth control became a serious...
Kienzle, J., Zimmer, J., Volk, F., Zebitz, C.P.W.
Entomopathogenic nematodes were tested for their potential as tool in resistance management of codling moth Cydia pomonella L. in organic fruit growing. In two field tests, the adults emerging from...
Kienzle, J., Zebitz, C.P.W., Zimmer, J., Volk, F.
In first field tests on codling moth (Cydia pomonella L.) populations proven to be resis-tant against codling moth granulovirus (CpGV) Madex plus, a selectioned CpGV, proved to be rather effective...
Decomposition and Stability Studies of TAGN (Triaminoguanidium Nitrate) (2003)
Kaste, Pamela J., Volk, F., Jacob, R., Nagel, F., Schon, B., Wohlhaupter, T.
The thermal decomposition of TAGN is of interest for understanding its stability and compatibility with other nitramine propellant ingredients. Low vulnerability (LOVA) propellants containing inert...
Performance parameters of explosives: Equilibrium and non-equilibrium reactions (2002)
For the calculation of the performance parameters of combustion processes, equilibrium thermodynamic processes are taken into account. On the other hand, non-equilibrium reactions occur, mostly...
Kinetics of thermal decomposition of hexanitrohexaazaisowurtzitane (2000)
Korsounskii, B.L., Nedelko, V.V., Chukanov, N.V., Larikova, T.S., Volk, F.
The ICT-thermochemical database. Version 1998 (fourth update) (1998)
Bathelt, H., Volk, F., Weindel, M.
The 4th update of the ICT thermochem. database for PCs (DOS/Windows) of energetic substances is presented.
Utilization of propellants for inflator and belt restraint systems (1997)
A review, with 6 refs., of the development of propellant-gas generators for automobile airbags, with emphasis on sodium azide (NaN3)-based and azide-free formulations (i.e., nitrocellulose- contg....
Influence of energetic materials on the energy-output of gun propellants (1997)
Methods for the formulation and prepn. of improved gun propellants contg. high energetic compds. are described in a review on the authors work with 4 refs. In addn. thermodynamical data such as flame...
Influence of energetic materials on the energy-output of gun propellants (1997)
A review, with 4 refs. on thermodn. parameters in formulation and prodn. of gun propellants in connection with the application of energetic plasticizers, energetic binders, and new energetic compds....
The ICT-thermochemical database (1997)
The 3rd update of the thermochem. data base (enthalpy of formation, heat of combustion, mol. wt., O balance, d., etc. of > 3500 energetic substances) was briefly introduced. It can be used for the...
Energetic materials and their influence on the energy-output of propellants (1997)
A review, with 4 refs., of the calcn. of energy output of gun propellant formulations, and attempts to increase the energy of gun propellants using new energetic components. Calcns. were carried out...
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Products of Aluminium containing explosives detonated in Argon and underwater (1994)
The detonation products of high explosives depend on the pressure and the confinement conditions under which the reaction proceeds. This holds true not only for less sensitive explosives such as...
Life time determination of a double base propellant for inflator systems (1994)
The life time of a double base propellant for air bag systems was determined by investigating the aging behavior of the propellant. During the isothermal storage of the propellant at different...
Life time determination of a double base propellant for inflator systems (1994)
The life time of a double base propellant for air bag systems was determined by investigating the aging behavior of the propellant. During the isothermal storage of the propellant at different...
Gasgeneratoren für Airbag und Gurtstraffer (1994)
Es wurde das Reaktionsverhalten von Airbag-Gasgeneratreibstoffen beschrieben, die auf Basis von Natriumazid hergestellt wurden und sich bereits seit meheren Jahren im Einsatz befinden. Außerdem...
Bestimmung der sicheren Lagerzeit einer plastifizierten Nitrocellulose (1994)
Bohn, M.A., Volk, F., Brauer, O.
Zur Bestimmung der sicheren Lagerzeit einer plastifizierten Nitrocellulose wurden Massenverlustmessungen bei 70 Grad C, 80 Grad C und 90 Grad C mit je zwei Proben durchgeführt. Um zuverlässige...
Analysis of the Detonation Products of Insensitive High Explosives (1994)
The detonation products of high explosives are dependent on pressure and also on the confinement under which the detonation reaction proceeds. To determine the detonation products of less sensitive...
Analysis of the detonation products of insensitive high explosives (1994)
The detonation products of high explosives are dependent on pressure and also on the confinement under which the detonation reaction proceeds. To determine the detonation products of less sensitive...
Quality and safety assessment of explosives by determination of kinetic parameters (1993)
Chemical, thermal and mechanical stability are important parts in the quality and safety assessment of propellants and explosives. Decomposition reactions limit the safe use time, the socalled...
Prediction of the lifetime of propellants by stabilizer consumption and molar mass decrease (1993)
Gun propellants ana double base rocket propellant were tested to find out stabilizer consumption and molar mass degradation between 60 degree Celsius and 90 degree Celsius, in part between 40 degree...
Energy output of insensitive high explosives by measuring the detonation products (1993)
The detonaton products of high explosives are dependent on pressure and also on the confinement under which the detonation reaction proceeds. To determine the detonation products of less sensitive...
Adiabatische Selbstaufheizung bei Treib- und Explosivstoffen (1993)
Die Selbstaufheizung eines Explosivstoffs durch chemische Zersetzungsreaktionen bestimmt dessen 'cook- off'-Verhalten oder seine Neigung zur thermischen Explosion durch...
Backof, E., Volk, F., Hommel, H., Hansen, R.
The feasibility of an ecologically harmless (non- polluting) thermal waste management process for chemical agents and explosives containing soils will be presented. Problems encountered in developing...
Gas generator materials consisting of TAGN and polymeric binders (1992)
Eisele, S., Menke, K., Volk, F.
Es wird ein Gasgeneratortyp aus Triaminoguandinnitrat mit Polyurethan, Celluloseacetat und mit energetischen Bindemittelsystemen auf der Basis von Polyglyzidylazid (GAP) und Nitroweichmacher...
Energy output of insensitive high explosives by measuring the detonation products (1992)
The detonation products of high explosives are dependent on pressure and also on the confinement under which the detonation reaction proceeds. To determine the detonation products of less sensitive...
Energy output of insensitive high explosives by measuring the detonation products (1992)
The detonation products of high explosives are dependent on pressure and also on the confinement under which the detonation reaction proceeds. To determine the detonation products of less sensitive...
Aging of propellants and the prediction of their lifetime. (1992)
The decrease of stabilizers in propellants can be much better described with a combination of fust and zero order kinetics than with first order kinetics, which represent the experimental values...
Vier zweibasige Raketenfesttreibstoffe und ein einbasi Treibladungspulver wurden hinsichtlich Stabilisatorver Molmassenabbau und Wärmeentwicklung zwischen 50 Grad C C, bzw. 40 Grad C und 110 Grad C...
Entsorgung von Munition durch Abbrand und Detonation (1991)
The reaction products, including the toxic gases such as NO, NOsub2, HCN and CO, have been analyzed after detonation and combustion of explosives and propellants under different conditions. The...
During the storage of nitric acid ester based propellants at elevated temperatures the splitting probability of the CO-NO sub 2-bond is increased with the formation of nitric oxides and a degradation...
Products of combustion and detonation under different confinement and pre-pressurization (1990)
The influence of a different confinement on the burning gases of nitramine propellants was measured. It was found that the energetic binder system (GAP) produces a less amount of toxic gases when...
Ignition and combustion behaviour of monergolic liquid propellants (1990)
Several mixtures containing nitromethane were tested in a calorimetric vessel with the aim of determining their ignition and burning behavior. As ignition at normal pressure was incomplete, a...
Gasgeneratoren auf der Basis von TAGN und polymeren Bindemittelsystemen (1990)
Gast, E., Eisele, S., Menke, K., Volk, F.
A new type of gasgenerators will be introduced, consisting of Triaminoguanidinnitrate with polymeric binders in form of polyurethane polymers, cellulose acetate and azidopolymer GAP with...
Bohn, M.A., Müller, D., Volk, F.
Cellulose esters are degraded by thermal and mechanical stress resulting in a decrease of the mean molar masses M sub N (number average), M sub W (mass average) and M sub Z (Z-average). These mean...
Less sensitive high explosive charges of TNT/nitroguanidine (NQ) and PBX charges with polybutadiene (PB) and Cariflex binder containing RDX with and without NQ and Al were detonated in a stainless...
Bestimmung der Gebrauchslebensdauer von Gasgeneratoren für Gurtstraffer (1989)
Die Gasgeneratoren BC 86/046 der Bayern-Chemie und SNPE 34/86 der SNPE in Pont de Buis wurden mit dem Ziel untersucht, die chemische Stabilität, die Wärmeentwicklung und das Alterungsverhalten bei...
Assessment of the environmental impact of explosives and their reaction products (1989)
According to the definition of the terms used in assessing environmental relevance in this context, the methods applied in determining reaction products are described and their influences discussed....
Diamonds in detonation soot (1988)
Volk, F., Phillips, D.S., Johnson, J.D., Greiner, R.N.
The physical structure and chemical bonding of the carbon in solid detonation products (soot) are largely unknown. It is well established that diamond can be manufactured by the application of...
Detonation products of cast high explosives (1988)
High explosive charges containing TNT, Comp. B, PBXN-106, TNT/TATB and the aluminium containing charges TNT/AN/Al, Comp. B/Al and a PBX high explosive with polyurethane binder, RDX, AP and Al have...