On Locally Conformally Flat Gradient Steady Ricci Solitons (2009)
In this paper, we classify n-dimensional (n>2) complete noncompact locally conformally flat gradient steady solitons. In particular, we prove that a complete noncompact non-flat conformally flat...
Poly[[diaquahemi-μ4-oxalato-μ2-oxalato-praseodymium(III)] monohydrate] (2009)
Ting-Hai Yang, Qiang Chen, Wei Zhuang, Zhe Wang, Bang-Yi Yue
In the title complex, {[Pr(C2O4)1.5(H2O)2]·H2O}n, the PrIII ion, which lies on a crystallographic inversion centre, is coordinated by seven O atoms from four oxalate ligands and two O atoms from...
2-Amino-6-methyl-1,3-benzothiazole–decanedioic acid (2/1) (2009)
Xiang-Jun Shi, Zhi-Chao Wang, Qiang Chen, Xiao-Jun Zhao
Co-crystallization of 2-amino-6-methyl-1,3-benzothiazole with decanedioic acid under hydrothermal conditions afforded the title 2:1 co-crystal, 2C8H8N2S·C10H18O4. The decanedioic acid molecule...
Chen, Qiang, Fischer, Joshua Richard, Benoit, Vivian M., Dufour, Nicholas P., Youderian, Philip, Leong, John M.
Borrelia burgdorferi is the causative agent of Lyme disease, the most common vector-borne illness in the Northern hemisphere. Low-passage-number infectious strains of B. burgdorferi exhibit extremely...
Peng, Zhixiang, Fives-Taylor, Paula, Ruiz, Teresa, Zhou, Meixian, Sun, Baiming, Chen, Qiang, ...
Abstract Background Streptococcus parasanguinis is a primary colonizer of human tooth surfaces and plays an important role in dental plaque formation. Bacterial adhesion and biofilm formation are...
Detecting Land Subsidence in Shanghai by PS-Networking SAR Interferometry (2008)
Guoxiang Liu, Xiaojun Luo, Qiang Chen, Dingfa Huang, Xiaoli Ding
Existing studies have shown that satellite synthetic aperture radar (SAR) interferometry has two apparent drawbacks, i.e., temporal decorrelation and atmospheric contamination, in the application of...
Jiadong Huang, Qing Lin, Jinghua Yu, Shenguang Ge, Jing Li, Min Yu, ...
A resonant mirror biosensor, IAsys, and a quartz crystal microbalance (QCM) are known independently as surface sensitive analytical devices capable of label-free and in situ bioassays. In this study,...
KATO, Sumito, CHEN, Qiang, SAWAYA, Kunio
Current distribution on a 2-layer PCB with lumped circuits is estimated by measuring the near electric field. In this method, the current estimation model is made without considering the electrical...
A promising p-type transparent conducting material: Layered oxysulfide (2007)
Liu, Min-Ling, Wu, Li-Bin, Chen, Qiang, Chen, Li-Dong, Chen, I-Wei
Sr3Cu2Sc2O5S2, a layered oxysulfide, composed of anti-PbO-like [Cu2S2] slabs alternating with perovskitelike [Sr3Sc2O5] slabs, was systematically studied as a p-type transparent conducting material....
RF LDMOS Characterization and Its Compact Modeling a b c c a a (2007)
Jaejune Jang, Olof Tornblad, Torkel Arnborg, Qiang Chen, Kaustav Banerjee, Zhiping Yu, ...
Abstract-- This paper presents characterization of power LDMOS using device simulation and analytical modeling. Features of the LDMOS such as graded channel and quasi-saturation effect which result...
Numerical Investigation of Channel Capacity of Indoor MIMO System (2007)
YANG, Xiao Peng, CHEN, Qiang, SAWAYA, Kunio
The effect of wall and indoor scatterers on the indoor multiple input multiple output (MIMO) communication system is investigated by using the hybrid technique of finite difference time domain (FDTD)...
SAR Investigation of Array Antennas for Mobile Handsets (2007)
CHEN, Qiang, KOMUKAI, Yasunori, SAWAYA, Kunio
The peak SAR values of two-element array antennas for mobile handsets in the vicinity of a spherical phantom of a human head are evaluated numerically as a function of the distance between the array...
Wu, Bao-Yan, Hou, Shi-Hua, Yin, Feng, Zhao, Zi-Xia, Wang, Yan-Yan, Wang, Xin-Sheng, ...
A novel amperometric glucose biosensor based on the nine layers of multilayer films composed of multi-wall carbon nanotubes (MWCNTs), gold nanoparticles (GNp) and glucose oxidase (GOD) was developed...
YANG, Xiao Peng, CHEN, Qiang, SAWAYA, Kunio
A numerical hybrid method for analyzing the wireless channel of Multiple-Input Multiple-Output (MIMO) communication system is proposed by combining of the method of moments (MoM) and the finite...
Mentor Natalia Alexandrov, Qiang Chen, Derek Dalle, Chad Griep, Jingwei Hu, Jahmario Williams, ...
Designing affordable, efficient, quiet supersonic passenger aircraft has been under investigation for many years. Obstacles to designing such aircraft are also many, both in fundamental physics and...
Effects of Wall Reflection on Indoor MIMO Channel Capacity (2007)
YANG, Xiao Peng, CHEN, Qiang, SAWAYA, Kunio
The effects of wall reflection on indoor MIMO channel capacity are statistically investigated with consideration of the average received power, the effective degrees of freedom (EDOF) of multipaths...
ZHAI, Huiqing, YUAN, Qiaowei, CHEN, Qiang, SAWAYA, Kunio
In this research, a sub-array preconditioner is applied to improve the convergence of conjugate gradient (CG) iterative solver in the fast multipole method and fast Fourier transform (FMM-FFT)...
ZHAI, Huiqing, CHEN, Qiang, YUAN, Qiaowei, SAWAYA, Kunio, LIANG, Changhong
This paper presents method that offers the fast and accurate analysis of large-scale periodic array antennas by conjugate-gradient fast Fourier transform (CG-FFT) combined with an equivalent...
Numerical Analysis of Wall Material Effect on Indoor MIMO Channel Capacity (2006)
YANG, Xiao Peng, CHEN, Qiang, SAWAYA, Kunio
Effects of wall material on the channel capacity of an indoor multiple input multiple output (MIMO) system are investigated using a hybrid technique of the method of moments (MoM) and the finite...
Solid-state NMR investigations of a perfluorinated ionomer : Nafion / (2005)
One and two-dimensional (1D and 2D) ¹⁹F, ¹H, and ¹³C solid-state NMR techniques are developed and applied to investigate the structure, morphology, and dynamic information of Nafion, a...
Solid-state NMR investigations of a perfluorinated ionomer : Nafion / (2005)
Thesis (Ph.D.)--Iowa State University, 2005.
Nong Ye, Qiang Chen, N. Ye, Q. Chen
Cyber attacks on computer and network systems induce system quality and reliability problems, and present a significant threat to the computer and network systems that we are heavily dependent on....
The determinants of innovation in the ag-biotech industry / (2005)
"Graduate Program in Food and Business Economics."
Convergence of SOR in MoM Analysis of Array Antenna (2005)
CHEN, Qiang, YUAN, Qiaowei, SAWAYA, Kunio
Convergence of the iterative method based on the successive overrelaxation (SOR) method is investigated to solve the matrix equation in the moment analysis of array antennas. It is found this method...
Thesis (Ph. D.)--University of Vermont, 2004.
A thesis submitted to the Faculty of Graduate Studies and Research in partial fulfillment of the requirements for the degree of Master of Science in Materials Engineering, Department of Chemical and...
Xishi Tai, Xianhong Yin, Qiang Chen, Minyu Tan
A novel Schiff base ligand derived from 2,2'-bis(p-methoxyphenylamine) and salicylicaldehyde and its transition metal complexes with Cu (Ⅱ), Co (Ⅱ) and Mn (Ⅱ) have...
Computer Intrusion Detection Through EWMA for Autocorrelated and Uncorrelated Data (2003)
Nong Ye, Senior Member, Sean Vilbert, Qiang Chen
Abstract—Reliability and quality of service from information systems has been threatened by cyber intrusions. To protect information systems from intrusions and thus assure reliability and quality...
Multivariate Statistical Analysis of Audit Trails for Host-Based Intrusion Detection (2002)
Nong Ye, Senior Member, Syed Masum Emran, Qiang Chen, Sean Vilbert
AbstractÐIntrusion detection complements prevention mehcanisms, such as firewalls, cryptography, and authentication, to capture intrusions into an information system while they are acting on the...
Multivariate Statistical Analysis of Audit Trails for Host-Based Intrusion Detection (2002)
Nong Ye, Senior Member, Syed Masum Emran, Qiang Chen, Sean Vilbert
AbstractÐIntrusion detection complements prevention mehcanisms, such as firewalls, cryptography, and authentication, to capture intrusions into an information system while they are acting on the...
Computer intrusion detection through noise cancellation /--by Qiang Chen. (2001)
Thesis (Ph. D.)--Arizona State University, 2001.
An intrusion into an information system compromises its security (e.g. availability, integrity and confidentiality) through a series of events in the information system. Intrusive events often show...
Bian Zhilin shi yi yan jiu--[microform] /--Chen Qiang. (1999)
Lun wen (Bo shi)--Xianggang Zhong wen da xue, 1999.
Schätzung von Parametern bei der Modellbildung von elektrischen und mechanischen Systemen / (1997)
Zugl.: Essen, Univ., Diss., 1996.
Thesis (Ph. D.)--Queen's University of Belfast, 1996.
Thesis (Ph. D.)--Stanford University, 1992.
Electrical properties of field-effect transistors and resonant tunneling diodes / (1993)
Thesis (doctoral)--Linköping University, 1993.
Submitted to the Department of Geophysics.
Typescript (photocopy).
Surgical Ostioplasty for Isolated Ostial Stenosis of the Left Main Stem Coronary Artery
Chen, Qiang, Khaddour, Ahmed, Tang, Augustine, Livesey, Steven
We report the cases of 4 patients in whom surgical ostioplasty was performed for isolated severe ostial stenosis of the left main stem coronary artery. No perioperative death or myocardial infarction...
Chen, Qiang, Wu, Hui, Fives-Taylor, Paula M.
Streptococcus parasanguis, a primary colonizer of the tooth surface, has long, peritrichous fimbriae. A fimbria-associated protein, Fap1, is identified as an adhesin of S. parasanguis FW213. The...
Surgical Ostioplasty for Isolated Ostial Stenosis of the Left Main Stem Coronary Artery
Chen, Qiang, Khaddour, Ahmed, Tang, Augustine, Livesey, Steven
We report the cases of 4 patients in whom surgical ostioplasty was performed for isolated severe ostial stenosis of the left main stem coronary artery. No perioperative death or myocardial infarction...
Chen, Qiang, Wu, Hui, Fives-Taylor, Paula M.
Streptococcus parasanguis, a primary colonizer of the tooth surface, has long, peritrichous fimbriae. A fimbria-associated protein, Fap1, is identified as an adhesin of S. parasanguis FW213. The...
Wu, Hui, Bu, Su, Newell, Peter, Chen, Qiang, Fives-Taylor, Paula
Mature Fap1, a 200-kDa fimbria-associated adhesin, is required for fimbrial biogenesis and biofilm formation in Streptococcus parasanguis. Fap1-like proteins are found in the genomes of many...
Gao, Xing, Chen, Xiang-Sheng, Yin, Yue-Ping, Zhong, Ming-Ying, Shi, Mei-Qin, Wei, Wan-Hui, ...
This was one of the first epidemiological studies in China focused on genital Chlamydia trachomatis serotype distribution in high-risk female populations using omp1 gene-based restriction fragment...
Restructuring of the dinucleotide-binding fold in an NADP(H) sensor protein
Zheng, Xiaofeng, Dai, Xueyu, Zhao, Yanmei, Chen, Qiang, Lu, Fei, Yao, Deqiang, ...
NAD(P) has long been known as an essential energy-carrying molecule in cells. Recent data, however, indicate that NAD(P) also plays critical signaling roles in regulating cellular functions. The...
Tan, Hao-Yang, Chen, Qiang, Sust, Steven, Buckholtz, Joshua W., Meyers, John D., Egan, Michael F., ...
Dopaminergic and glutamatergic systems are critical components responsible for prefrontal signal-to-noise tuning in working memory. Recent functional MRI (fMRI) studies of genetic variation in these...
Chen, Qiang, Sun, Baiming, Wu, Hui, Peng, Zhixiang, Fives-Taylor, Paula M.
Fimbria-associated protein 1 (Fap1) is a high-molecular-mass glycosylated surface adhesin required for fimbria biogenesis and biofilm formation in Streptococcus parasanguinis. The secretion of mature...
Tan, Hao-Yang, Nicodemus, Kristin K., Chen, Qiang, Li, Zhen, Brooke, Jennifer K., Honea, Robyn, ...
AKT1-dependent molecular pathways control diverse aspects of cellular development and adaptation, including interactions with neuronal dopaminergic signaling. If AKT1 has an impact on dopaminergic...
The Determinants of Research Productivity in Agricultural Biotechnology
Chen, Qiang, Naseem, Anwar, Pray, Carl
The ag-biotech industry underwent considerable consolidation in the last decade in part to take advantage of economics of scale and scope. The paper investigates the impact of such consolidation on...
The effect of patent laws on invention rates: Evidence from cross-country panels
There has been surprisingly little statistical evidence about the effect of patent laws on invention rates in the literature. In this paper, two data sets of major invention counts for the US and 14...
Chen, Qiang, Fischer, Joshua R., Benoit, Vivian M., Dufour, Nicholas P., Youderian, Philip, Leong, John M.
Borrelia burgdorferi is the causative agent of Lyme disease, the most common vector-borne illness in the Northern hemisphere. Low-passage-number infectious strains of B. burgdorferi exhibit extremely...
Slater, Steven C., Goldman, Barry S., Goodner, Brad, Setubal, João C., Farrand, Stephen K., Nester, Eugene W., ...
The family Rhizobiaceae contains plant-associated bacteria with critical roles in ecology and agriculture. Within this family, many Rhizobium and Sinorhizobium strains are nitrogen-fixing plant...
The labour scarcity paradox reconsidered: a simple growth theoretic explanation
By calibrating a Solow model augmented by natural resources, this paper offers a simple explanation of the labor scarcity paradox during the process of America's catching up with Britain, which...
Bias-corrected smoothed score function for single-index models
Qiang Chen, Lu Lin, Lixing Zhu
Single-index model, Local likelihood, Smoothing score, Confidence region,