Search Options

Sort by:

Sort search results by

Publication Type:

Publication Type filter

Open access:

Publication Date:

Periodicals:

Periodicals filter

Search results

Online since: April 2009
Authors: Siham Douadi-Masrouki, Bruno Frka-Petesic, Olivier Sandre, Fabrice Cousin, Regine Perzynski, Valerie Cabuil, Vincent Dupuis
Introduction Nanocomposite materials which associate inorganic nanoparticles and polymers with a high degree of organization are highly interesting for their applications in visible light optics (reflectors and guides) and hyper-frequencies (antennae and switches).
Materials.
Comptes Rendus de l'Académie de Science 291, C1-C3 (1980)
[9] Joly, S. et al, European Physical Journal E 8, 355-363 (2002)
[12] Lefebure, S. et al, Progress in Colloid & Polymer Science 110, 94-98 (1998)
Online since: September 2011
Authors: Hong Lin, Yu Yue Chen, Ting Ting Zhou
Introduction Polyester, one of the most important raw materials in textile production, is widely used in clothing fields for its excellent properties such as high mechanical strength, good wearing resistance, easy to wash and fast drying [1].
Experimental Materials The amino-terminated hyperbranched polymer (HBP-NH2) was synthesized in the laboratory.
S. aureus (ATCC 6538) and E. coli (ATCC 8099) were obtained from College of Life Science, Soochow University (China).
Vol. 104 (2004), p. 3893 [5] Ip M, Lui S L and Poon V K: Journal of Medical Microbiology Vol. 55, No. 1 (2006), p. 59 [6] Zhang F, Chen YY and Lin H: Coloration Technology Vol. 123 (2007), p. 351 [7] Yongcheng Ning: Structural indentification of organic compounds and organic spectroscopy (Science Press, Beijing 2000)
Online since: March 2010
Authors: Jun Biao Wang, Chuang Liu, Xian Jie Zhang
Process parameters and NC code generation: The shot peen forming process knowledge base is built and used to select the initial parameters according to the material of the integral panel part.
The knowledge base is composed of test data mainly, so the test data need accumulating further with the new material and structure of integral panel emerging.
Zhang: Mechanical Science and Technology, Vol.23(2004),P.447-449 (in Chinese) [3] X.
Wang: Mechanical Science and Technology, Vol.25(2006), P.1209-1211 (in Chinese) [4] T.
Wu: Journal of Materials Processing Technology, Vol.206(2008), P.78-82 [5] L.Wang:Robotics and Computer Integrated Manufacturing, Vol.17(2001),P.159-167
Online since: November 2010
Authors: Zhi Yuan Yang, Yu Lei Li, Bai Ling Jiang, Yan Feng Ge
Microstructure and Corrosion Resistance Behavior of Composite Micro-arc Oxidation and SiO2 Coatings on Magnesium Alloys Yanfeng Ge1, a, Bailing Jiang 1,b , Zhiyuan Yang 1,c and Yulei Li 1,d 1 Material Science and Engineering, Xi'an University of Technology, Xian, Shaanxi, 710048, China ageyanf@163.com, bjiangbail@vip.163.com, c 53687833@qq.com, d 48471063@qq.com Keywords: magnesium alloys, micro-arc oxidation, SiO2 sol, composite coatings, corrosion resistance behavior.
The sol-gel process is one of the most promising methods to prepare inorganic layer onto ceramic coating using the starting material of organic, which is low cost, easy preparation and good osmosis[9].
Xu: Materials Letters.
Kobayashi: Journal of Non-Crystalline Solids, Vol.260(1999), p.199 [11] W.XQue, Q.Y.Zhang, Y.C.Chan, C.H.Kam: Composites Science and Technology, Vol.63(2003), p.347 [12] Information on http://www.lasurface.com/xps/index.php
Online since: August 2013
Authors: Ling Xu, Ling Lin, Jin Huang, Chen Yi Li, Bin Lu, Xiu Teng Wang
However, this analysis method is cost intensive, as it requires not only sophisticated equipment but also highly trained analyst. [7, 8] And some engineers, manufacturers or researchers, for whom high accurate heating value of materials are not necessary, want to determine it with an easier and faster approach within an acceptable tolerance.
Acknowledgements This work was financially supported by the National Science and Technology Support Programs of China (2011BAB02B04 and 2011BAB02B05) and 863 Program (2012AA06A117).
Zhou: Engineering Science, Vol. 6 (2004), pp. 20-22.
Li: Journal of Hazardous Materials, Vol. 179 (2010), pp. 515-520 [5] D.X.
Online since: November 2012
Authors: Bo Mo, Liu Min Wang
For solid rocket motors, when the materials of vane is using tungsten and molybdenum or tungsten copper, the sweep angle can be between 40°and 50 °.
Tungsten and molybdenum and other refractory alloy rudder desirable .In this design the material of rudder select tungsten and molybdenum, before and after the half-wedge angle select 2°.
Although the engineering calculations and simulation software can provide theoretical support for the preliminary design of the thrust vector control system, however, in order to design the vane which can meet the practical application, it must also consider the require-ments of the rudder body strength, stiffness, material ablation and connect the structure.
References [1] C.L.Yu,A.N.Zhang,C.B.Du and B.Zhou: Journal of Henan University of Science and Technology:Natural Science,Vol 29 (2008) No.3,p.35~38(in chinese) [2] M:F.Lin and G.B:Wang:Thrust Vector Control of Solid Roc-ket ( National Defense Industry Press 1981,p. 196~200) [3] Z.H.Liu:Missiles And Space Vehicles. (1995) No.4,p.9~17 (in chinese) [4] Z.H.Liu:Tactical Missile Technology. (1988) No.2,p.1~7 (in chinese)
Online since: March 2016
Authors: Xing Jun Liu, Lu Jiang Zhou, Xiao Hong Wang, Shu Liang Wang, Yuan Hua Lin, Jia Lian Li
Thermodynamic Calculation of Bi-Au-Lu, Nd Ternary Systems Shuliang WANG1, a, Lujiang ZHOU1, b, Jialian LI1, c, Xiaohong WANG1, d, Yuanhua LIN1, e* and Xingjun LIU2, f 1School of Materials Science and Engineering, Southwest Petroleum University, Chengdu 610000,China.
The CALPHAD (Calculation of Phase Diagram) technique is a powerful tool to effectively provide an important guideline for materials design [6-9], which would reduce cost and time.
Acknowledgements This work was supported by the Scientific Research Foundation of Southwest Petroleum University and National Natural Science Foundation of China (51374180).
Journal of Alloys and Compounds, 502(2010) 43-48.
Online since: March 2015
Authors: Hu Wang, Fei Han
Stress analysis of simple-supported box girder deck pavement under the effect of concrete cushion WANG Hu1,a, HAN Fei1,b 1School of Science Chang' an University, Shaanxi 710064, China awh89@chd.edu.cn, b674623368@qq.com, Keywords: deck pavement, concrete cushion layer, transverse slope, interface shear stress.
Basic hypothesis  (1)Pavement and girder materials are in stage of elastic
The relevant material parameters are shown in Table 1and model can be seen in Figure 1.
Material Parameters used in Model Elastic modulus of Bridge girder/MPa Elastic modulus of concrete cushion/MPa Poisson's ration of concrete cushion Elastic modulus of waterproof layer/MPa Poisson's ration of waterproof Waterproof thickness Elastic modulus of asphalt concrete /MPa Poisson's ration of asphalt concrete 30,000 33,000 0.16667 150 0.3 2mm 1800 0.25 Figure.1 Meshes of deck pavement finite element model Find the most unfavorable loading location (1)Loading position.
Journal of Chang’ an University (Natural Science Edition), 2007, 27, (4) [2] FAN Li-chu,"Bridge engineering" China Communications .Press.
Online since: February 2012
Authors: Ling Yin Li, Yi Fan Wang, Xiao Gang San
Stray Light Analysis of Solar Photoelectric detection System on Space Target LI Ling-yin 1,2, a, WANG Yi-fan2,b and San Xiao-gang2,c 1 Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences Changchun,China 2 Graduate University of Chinese Academy of Science,Beijing; China alilingyin_02@163.com, bwangyifan1958@163.com, csanxiaogang1984@163.com Keywords: photoelectric-detection; stray light; main baffle; baffle vane; Abstract.
Designing of hood system, material surface coating, BRDF, test of PST and image processing technical make benefits for the photoelectric detection system to decrease stray light influence.
Above all, the power of incident stray light source, secondly the scattering characteristics of material, finally geometric components factor GCF which depends on structure of opto-mechanical system (including central obscuration).
Anti-reflection coating on optics or painting with absorbing materials are solutions for reduction of stray light.
Du, “Stray light analysis of Fabry-Perot interference image spectrometer,” Journal of Applied Optics, vol.30, 0246-0251, Febuary, 2009
Online since: January 2014
Authors: Xiao Fang Wang, Jian Xing Liu, Mao Fang Huang, Ming Yue Wang, Yu Bing Zha, Shao Dong Zeng, Ling Lin, Chun Liang Yang
Determination of imidacloprid residues in Chinese Cabbage by UPLC—MS/MS Yubing Zha1,2,a, Maofang Huang1,b*,Chunliang Yang 1,2,c, Mingyue Wang 1, 2,d, Xiaofang Wang 1, 2,e , Ling Lin 1, 2,f ,Jianxing Liu3,g Shaodong Zeng 1, 2,h 1Agriculture Products Processing Research Institute,Chinese Academy of tropical Agriculture Science, Zhanjiang 524001, China 2Laboratory of quality & safety risk assessment on agro-products processing(zhanjiang), ministry of agriculture 3Institute for the Control of Agrochemicals,chongqing azhayubing2008@126.com, bhuangmaofang666@163.com, c76462276@qq.com, dhkwmy0815@vip.163.com, e32879895@qq.com, flinling408@163.com, gsuperljx2002@163.com, h283883503@qq.com *Corresponding author.
The sensitivity of the determination method for chlorbenzuron by LC is too low, and unable to meet the requirements of Positive List System of Jpan.This article established a UPLC-MS/MS method with simple operation, high sensitivity, and good reproducibility which can be determined the residues of imidacloprid in Chinese cabbage through optimize conditions of pretreatment,chromatographic separation technology and mass spectrograph. and improving the detection limit greatly. 1Materials and methods Instruments, reagents and materials Waters UPLC-TQD (Waters Corporation); High-speed Homogenizer; Nitrogen blow instrument (United States Organomation); Centrifuge (Japan-Hitachi); Vortex mixer (Germany IKA); Shaker(Germany IKA);Solid-phase extraction device (HP6019); Electronic balance (AUY220, Shimadzu Corporation).Rotary evaporator(Germany IKA).
Inspection and quarantine science,2006,16(3):49
Journal of Instrumental Analysis, 2002, 21(1):70-72
[7] PLACKE F J, WEBERF.Method of determining imidacloprid residues in plant materials[J].