Search results

Acknowledgment This work was supported by the National Natural Science Foundation of China (Grant No. 51209052), Youth Science and Technology Foundation of Heilongjiang Province (Grant No.
QC2011C013) and Harbin Science and Technology Innovation Talents Project (2011RFQXG021).
Journal of Ship Mechanics.2011,15(5),570~576（in Chinese） [2] Guo Hua-Lin, Luo Dong-ping, Chen Mei-Xia.
Journal of Huazhong University of Science and Technology (Natural Science Edition).2011,39(4),106~109（in Chinese） [5] Wu Fang-Liang,Shi Zhong-Kun,Yang Xiang-Hui, Submarine sonar self-noise forecast base on BP neural network and L-M Bayesian Regularization algorithm[J].Journal of Ship Mechanics,2007.2.11(1):136~142.
Numerical Calculation of Sound Characteristic of Hull Sonar by FEM/BEM [J].Journal of Jiangsu University of Science and Technology，2003.10.17（5）：6~10.

Marii Curie-Sklodowskiej 3, 20-031 Lublin, Poland aradek@zaleski.umcs.pl, bmarek.gorgol@gmail.com, cagnieszka.kierys@poczta.umcs.lublin.pl Keywords: positronium, lifetime, porous materials, n-heptane, adsorption/desorption Abstract.
Experimental Materials.
Both investigated materials are silicas which were synthesized using organic templates.
Although the nitrogen sorption method shows that both materials have similar specific surface areas and pore volumes, average pore size is distinctly larger in SBA-15 (Table 1).
The micrographs (Fig.3) indicate that the investigated materials entirely differ in their pores arrangement and shape.

Edmonds, The Quenching and Partitioning Process: Background and Recent Progress, Materials Research, 8 (2005), 4, 417-423
Geerlofs etc, Bainite transformation of low carbon Mn–Si TRIP-assisted multiphase steels: influence of silicon content on cementite precipitation and austenite retention Materials Science and Engineering A273–275 (1999) 475–479 [24] A.
De Cooman, Structure–properties relationship in TRIP steels containing carbide-free bainite Solid State and Materials Science, 8 (2004) 285–303 [32] Sandra Traint, Andreas Pichler, Robert Sierlinger, Heinrich Pauli, Ewald A Werner 2006 Low-alloyed TRIP-Steels with Optimized Strength, Forming and Welding Properties Steel Research int. 77(2006) 641-649 [33] A.Kammouni, W.Saikaly, M.Dumont, C.Marteaud, X.Banod, A.Chara , Effect of the bainitic transformation temperature on retained austenite fraction and stability in Ti microalloyed TRIP steels Materials Science and Engineering, A 518 (2009)89–96 [34] T.Y.
Sietsma, New low carbon Q&P steels containing film-like intercritical ferrite, Materials Science and Engineering A 527 (2010) 6429–6439 [37] D.
Sankaran, Influence of alloying elements on the microstructure evolution and mechanical properties in quenched and partitioned steels Materials Science & Engineering A600 (2014) 12–20 [46] Chao Wang, Hua Ding, Minghui Cai, Bernard Rolf, Characterization of microstructures and tensile properties of TRIP-aided steels with different matrix microstructure Materials Science & Engineering A 610 (2014) 65–75 [47] Zhun-li Tan, Kai-kai Wang, Guhui Gan, Xiaolu Gui, Mechanical Properties of Steels Treated by Q-P-T Process Incorporating Carbide free Bainite/Martensite Multiphase Microstructure Journal of Iron and Steel Research, International, 21(2014) 191-196 [48] Chao Wang, Hua Ding, Minghui Cai,, Bernard Rolf, Multi-phase microstructure design of a novel high strength TRIP steel through experimental methodology Materials Science & Engineering A 610 (2014) 436–444

Research on Molding and Mechanics for Sandwich with Core Composed by Composite Pillar and Foam Plastic.School og Materials Science and Engineering 2008. -,[] Guo T, Wang YF.
Materials Science and engineering B 2006; 132: 159-163. ,[] Chen B, Peng XH, Cai C, Dong Q.
JOURNAL OF FUNCTIONAL MATERIALS CONTENTS 2004; 35 (z1): 2394-239. ,[] Chen B, Peng XH, Fan JH.
Adcanced Materials Research 2005; 9: 15-20. ].
CHINESE JOURNAL OF MATERIALS RESEARCH 2003; 17(6): 630-636. ].

Study of preparation on the flake silver coating over copper powder for electronic industry* Xiaoyun Zhu1,a, Man Dong 2,b 1 Faculty of Material and Science and Engineering, Kunming University of Science and Technology, Kunming, P.
Therefore, how to prevent the copper powder from being oxidized during material fabrication becomes the key issue in application of conductive paint and paste [1].
Wu, Polymer Engineering and Science, 40(5) (2000), p 1047-1055
Jiang, Journal of Hunan Agriculture University, (10)( 2001), p 404
Zhang, Chinese Journal of Inorganic Chemistry, (4) (2000), p 17-20.

F is the load impacting on cutter, Ge is cutter structure parameters, p is physical parameters of cutter material, t is time, and e is the other parameters.
Once reaching the acutely worn stage, cutting temperature is higher 160℃ than initial worn stage, equivalent stress enhance nearly 1012MPa, the stress near cutting lip has close to the compressive ultimate strength of insert material, safety margin is approximately zero.
Acknowledgements The authors wish to acknowledge supports of Province in Heilongjiang outstanding youth science fund (JC200807), National High-tech R& D Program (863 Program 2009AA044302) and Education Department Project of Heilongjiang Province (11551z005).
Zhao: Journal of Hubei Institute of Architectural Engineering Vol. 19 (2001), p.47 [2] B.J.
Sun: Journal of Harbin University of Science and Technology Vol. 11 (2006), p.150 [3] L.

Using information technology, teachers can download their needed teaching material.
The effect and embodiment of information technology in choosing a material.
We can choose material for physical education curriculum according to mathematics, biology and other subjects to adapt combined sport event with science teaching method to teach.
Huang: Journal of Hubei Radio & Television University,Vol.33 (2013) No. 7, p. 155
Ran: Journal of Chongqing University(Social Science Edition), Vol.14 (2008) No.6, p. 144.

Stability Effect to Railway Tunnel of Underground Mining Using ABAQUS Liwei Yuan1,2,a,Longzhe Jin1,b 1Civil &Environment Engineering School, University of Science & Technology Beijing, Beijing, 100083, China 2Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming, Yunnan, 650093, China akertylw@163.com, blzjin@ustb.edu.cn Keywords: underground mining, rock mass displacement, mine safety, ABAQUS, finite element.
The physical mechanical parameters of rock rock stratum density (g/cm2) young's modulus (GPa) Poisson's ratio Friction angle (°) Dilation angle (°) Cohesion yield stress(MPa) mudstone 2.25 3.0 0.33 20 12 22 quartz sandstone 2.59 19.3 0.38 27.8 16 27.2 Analysis principle The analysis used the Mohr-Coulomb model [6], the yield functions is (1) Type for plane in shape PI to yield a measure (2) Φ is friction angle of materials, c is cohesion yield, Θ is a deflection angle coefficient Because the plastic flow rule of the Mohr-Coulomb model is nonassociated, it used the asymmetric solver to solve.
In every step, different analysis types can be specified, and described the condition and change such as structure, material, constraints and so on, which can simulate the real process effectively[6].
References [1] Xue LIU, SHANXI ARCHITECTURE, 2009 35(9), P.312－313,In Chinese [2] Guangyun YU, Yongsheng BAI,Ping SHENG, CHINESE JOURNAL OF UNDERGROUND SPACE AND ENGINEERING, 2007 3(z2),P.1579－1582,In Chinese [3] Hibbitt, Karlson & Sorensen, Inc.
USA: Hibbitt , Karlson & Sorensen, Inc., 2003 [4] Wei HUA, Ying MA, TRANSPORTATION SCIENCE & TECHNOLOGY, 2010 (z1), P.39-41, In Chinese [5] Lixia SONG, Ganqiang TAO, Bing SUN, Dexin DING, METAL MINE, 2007 (10), P.42－46, In Chinese [6] Kang Fei, Jianwei zhang, ABAQUS in Geotechnical Engineering Application, First edition, China Water Power Press,2010.1,In Chinese [7] Minqiang WANG, Yuan XU, ENGINEERING JOURNAL OF WUHAN UNIVERSITY, 2001 34(1),P.56-59,In Chinese

Particles with dimension smaller than 1 µm have features so special that allow their use in many areas, including materials synthesis, biotechnology, semiconductor manufacturing, pharmaceutical products, nano-composites and ceramics, emission control, health effects, measurement and instrumentation, and studies of fundamental transfer processes [1].
This material also comprises the top and the bottom of equipment, because it possesses desirable features of resistance, insulation and machining.
Pui: Journal of Colloid and Interface Science Vol. 49 (1974a), p. 305
Whitby: Journal of Aerosol Science Vol. 6 (1975), p. 443
Adachi: Aerosol Science and Technology Vol. 4 (2) (1985), p. 209.

Effects of Dauricine concentration in Asiatic Moonseed by different extraction solvents and methods Ning CHEN1,2,a, Yu-bin JI1,2,Dong-xue SONG1,2,b, Chang-ru XU1,2,c, Hui SONG1,2,d, Jun LI1,2,e 1Engineering Research Center of Natural Anticancer Drugs, Ministry of Education, Harbin University of Commerce, Harbin 150076, China 2Center of Research on Life Science and Environmental Science, Harbin University of Commerce, Harbin 150076, China achenning1981@126.com, bs195844330@yahoo.com.cn, cwudii1270@yahoo.cn, dhuihui4595@sina.com, exiumubaizai1101@163.com Keywords: Dauricine; Asiatic Moonseed; extraction solvent; extraction method.
Experiment section Materials.
Journal of Liaoning university of TCM, Vol. 14(2012), p.194-195.
Lishizhen Medicine and Material Medica Research, Vol. 22(2011), p.188.
China Academic Journal Publishing House, Vol. 26(2012), p.1122-1124.