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期刊Principle and Experimental Verification of Caudal-fin-type Piezoelectric-stack Pump with Variable-cross-section Oscillating Vibrator被引量:7
《中国机械工程学报:英文版》2012年第1期128-136,共9页HU Xiaoqi ZHANG Jianhui HUANG Yi XIA Qixiao HUANG Weiqing ZHAO Chunsheng 
supported by National Natural Science Foundation of China (Grant No. 50775109, Grant No. 51075201);Important Project of National Natural Science Foundation of China (Grant No. 50735002);Open Foundation for National Key laboratory of the Numerical Manufacturing Equipment and Technology of China (Grant No. DMETKF2009002)
In the traditional flow-resistance-differential (FRD) type valve-less piezoelectric pump,the generated outflow and pressure are discontinuous because of the inherent periodicity and fluctuation of the pump.To overcome...显示全部
关键词:caudal-fin-type variable-cross-section piezoelectric-stack valve-less PUMP 
期刊IR LASER BACKSCATTERING FROM AN ARBITRARILY SHAPED DIELECTRIC OBJECT WITH ROUGH SURFACE被引量:5
《电子科学学刊:英文版》1993年第4期298-306,共9页吴振森 
The backscattering of light wave from arbitrarily convex dielectric objects withrough surface is investigated and formulas for calculating the backscattering cross-section of bothcoherent and incoherent fields are obt...显示全部
关键词:Infrared LASER LRCS(Laser Radar(scattering)cross-section) ROUGHNESS 
期刊Empirical Neutron cross section Formulae for (n, p) and (n, d) Reactions of He-3 Target
《应用数学与应用物理(英文)》2021年第7期1434-1441,共8页Amir M. Alramady 
In this work, new cross section formulae for (n, p) and (n, d) reactions of He-3 have been investigated as a function of incident neutron energy. The new Empirical formulae were produced by using the least squares met...显示全部
关键词:Empirical cross section Formula (n p) Reaction (n p) Reaction and Goodness-of-Fit 
期刊Design and Manufacture an Elastic Neutron Scattering Spectrometer at the Dalat Nuclear Reactor
《分析科学方法和仪器期刊(英文)》2021年第3期23-28,共6页Dang Hong Ngoc Quy Pham Ngoc Son Phan Bao Quoc Hieu Trinh Van Cuong 
The objective of this study is to design an elastic neutron scattering system<span><span style="font-family:;" "=""> according to the angle with a sample using thermal neutron beam...显示全部
关键词:Neutron Scattering Small-Angle Neutron Scattering (SANS) Elastic Neu-tron cross section 
期刊Low-Cost Metamaterial Loaded Microstrip Antenna for Defense Applications
《天线与传播(英文)》2021年第1期1-10,共10页Krushi Modi Parth Kachhadiya Jagdish M. Rathod Parul H. Panchal Kush Parikh 
We have designed a Metamaterial unit-cell for 9 GHz frequency. Periodic structure was used at 4.25 × 4.25 mm with a thickness of 0.35 mm and giving us the 99.99% of absorbance at 9 GHz in simulated results. We ha...显示全部
关键词:Microstrip Antenna (MSA) Metamaterial Absorber (MMA) Single Band MMA Radar cross section (RCS) X-BAND 
期刊Research of the Issue of Lightening the Construction of the Gin Saw Cylinder
《工程(英文)(1947-3931)》2021年第4期224-235,共12页Juraeva Gulkhayo Ravshanbekovna Muradov Rustam Muradovich Abduvakhidov Mutakhkhirkhon Mubashirovich 
The article investigates the problem of lightening the construction of the saw cylinder of the gin by drilling a central longitudinal through hole on the shaft and cutting circular holes on the saw blades. This is acc...显示全部
关键词:Gin Movable Object Saw Cylinder SHAFT Saw Blade Axial Moment of Inertia cross-section DEFLECTION Circular Hole 
期刊Experimental study on two-phase gas-liquid flow patterns at normal and reduced gravity conditions被引量:3
《中国科学:技术科学英文版》2001年第5期553-560,共8页赵建福 解京昌 林海 胡文瑞 
This work was supported by the National Natural Science Foundation of China (Grant No. 19789201) ;the Ministry of Science and Technology of China (Grant No. 95-Yu-34) . The authors wish to gratefully acknowledge the invaluable assistance of Profs. Y.
Experimental studies have been performed for horizontal two-phase air-water flows at nor-mal and reduced gravity conditions in a square cross-section channel. The experiments at reducedgravity are conducted on board t...显示全部
关键词:microgravity  TWO-PHASE GAS-LIQUID flow  FLOW pattern  NON-CIRCULAR cross-section. 
期刊Three-Dimensional and cross-sectional Characteristics of Normal Grain Growth Based on Monte Carlo Simulation被引量:3
《矿物冶金与材料学报:英文版》1998年第3期129-133,139,共6页Xiaoyan Song Guoquan Liu(Material Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China)(Department of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China) 
An appropriate Monte Carlo method was developed to simulate the three-dimensional normal grain growth more completely. Comparative investigation on the three-dimensional and the cross-sectional characteristics of norm...显示全部
关键词:Monte Carlo simulation NORMAL grain growth THREE-DIMENSION cross-section CHARACTERISTICS 
期刊Characteristics of entropy generation and heat transfer in a microchannel with fan-shaped reentrant cavities and internal ribs被引量:2
《中国科学:技术科学英文版》2013年第7期1629-1635,共7页XIA GuoDong ZHAI YuLing CUI ZhenZhen 
Three-dimensional laminar fluid flow and heat transfer in a micro heat sink with cavities and internal ribs are investigated us-ing numerical methods. Moreover, according to the second law of thermodynamics, the model...显示全部
关键词:MICROCHANNEL ENTROPY generation heat transfer enhancement variable cross section 
期刊Measurement of Neutron Capture cross section for ^(180)Hf被引量:2
《原子核物理:英文版》1997年第2期110-114,共5页Chen Jinxiang Shi Zhaomin Tang Guoyou Zhang Guohui Institute of Heavy Ion Physics,Peking University,Beijing 100871Lu Hanlin Han Xiaogang Huang Xiaolong China Institute of Atomic Energy,P.O.Box 275(3),Beijing 102413 
The neutron capture cross section for <sup>180</sup>Hf relative to the <sup>197</sup>Au(n,γ)<sup>198</sup>Au reaction ismeasured at neutron energies of 0.52,1.10 and 1.60 MeV usi...显示全部
关键词:100Hf 198Au NEUTRON CAPTURE cross section Activition method 
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