19 Result(s)

Article

RETRACTED ARTICLE: 5-Fluorouracil Trap** in a Porous Ba(II)-organic Framework: Drug Delivery and Anti-thyroid Cancer Activity Evaluation

Solvothermal treatment of Ba(NO₃)₂ with the rigid tricarboxylic acid linker 4,4′,4″-s-triazine-2,4,6-triyltribenzoic acid (H₃TATB) in a mixture of H₂O and N,N-dimethylformamide (DMF) produces a new three-dimensio...

Q. J. Zhang, J. K. Zhao, Y. Li, X. Y. Wu… in Russian Journal of Coordination Chemistry (2020)

Article

Isothermal current–voltage characteristics of high-voltage 4H-SiC junction barrier Schottky rectifiers

The forward-pulse isothermal current–voltage characteristics of 4H-SiC junction barrier Schottky rectifiers (JBSs) with a nominal blocking voltage of 1700 V are measured in the temperature range from–80 to +90°C ...

M. E. Levinshtein, P. A. Ivanov, Q. J. Zhang, J. W. Palmour in Semiconductors (2016)

Article

Transient processes in high-voltage silicon carbide bipolar-junction transistors

The specific features of transient processes in high-voltage silicon carbide bipolar-junction transistors are studied theoretically and experimentally. It is shown that, in good agreement with the experimental...

V. S. Yuferev, M. E. Levinshtein, P. A. Ivanov, Q. J. Zhang… in Semiconductors (2013)

Article

Effects of Cooling Rate on Thermoelectric Properties of n-Type Bi₂(Se_0.4Te_0.6)₃ Compounds

A series of Bi₂(Se_0.4Te_0.6)₃ compounds were synthesized by a rapid route of melt spinning (MS) combined with a subsequent spark plasma sintering (SPS) process. Measurements of the Seebeck coefficient, electrical ...

S. Y. Wang, W. J. **e, H. Li, X. F. Tang, Q. J. Zhang in Journal of Electronic Materials (2011)

Article

Molecular Dynamics Simulation of Mechanical Properties of Single-Crystal Bismuth Telluride Nanowire

The mechanical properties of single-crystal bismuth telluride nanowires have been studied by molecular dynamics methods. The mechanical behavior of the Bi₂Te₃ nanowire for two principal axes was simulated under d...

Y. Tong, F. J. Yi, L. S. Liu, Q. J. Zhang in Journal of Electronic Materials (2010)

Chapter and Conference Paper

ANN/DNN-Based Behavioral Modeling of RF/Microwave Components and Circuits

This paper provides a tutorial overview of artificial neural network/ dynamic neural network (ANN/DNN) for radio frequency (RF) and microwave modeling and design. We will describe neural network structures sui...

Q. J. Zhang, Lei Zhang in Scientific Computing in Electrical Engineering SCEE 2008 (2010)

Article

The formation of relativistic electromagnetic solitons in plasma Bragg gratings induced by two counter-propagating laser pulses

The generation of relativistic electromagnetic solitons in plasma with spatiotemporal density modulation is investigated. When two counter-propagating laser pulses overlap in underdense plasma, the interaction...

S.-X. Luan, Q.-J. Zhang, Z.-M. Sheng in Applied Physics B (2008)

Article

Simulation of a muscle joint directly or indirectly driven by pneumatic pressure

A novel robotic joint is proposed. A rubber bellows muscle actuator with pliability is driven by a pneumatic pressure or tandem compound system consisting of pneumatics and hydraulics. The joints can be used a...

J. Zhang, Q. J. Zhang in Acta Mechanica (2008)

Article

Tracing the sol–gel transformation by dynamic torsional vibration method

B. Guo, J. P. Liu, D. Z. Chen, P. S. He, Q. J. Zhang in Journal of Materials Science (2005)

Chapter

Computer-Aided Design for Electrical and Computer engineering

Computer-Aided Design (CAD) in Electrical and Computer Engineering abounds with modeling, simulation and optimization challenges that are familiar to operations researchers. Many of these problems are on a far...

John W. Chinneck, Michel S. Nakhla… in Tutorials on Emerging Methodologies and Ap… (2005)

Chapter

Guest Editor’s Introduction

As signal speeds increase, interconnect effects such as signal delay, distortion, reflections, and crosstalk become dominant factors limiting the performance of VLSI systems. This problem can be found at chip ...

Michel Nakhla, Q. J. Zhang in Modeling and Simulation of High Speed VLSI Interconnects (1994)

Article

Morphological, physiological and enzymatic characteristics of cephalosporin acylase-producing Arthrobacter strain 45-8A

A bacterial strain producing cephalosporin acylases was isolated from soil. The morphological and physiological properties of this strain suggest that it belongs to the genus Arthrobacter, and the isolate was the...

Q. -J. Zhang, W. -X. Xu in Archives of Microbiology (1993)

Article

Surface Segregation of Ni-Cr Alloy

The surface segregation of a Ni-Cr alloy used for commerciel heating elements has been examined with a Scanning Auger Microprobe (SAM) and other electron spectroscopy. A variety of sample surfaces prepared by ...

N. Q. Chen, Q. J. Zhang, Z. Y. Hua in MRS Online Proceedings Library (1985)