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A study on soft water attack resistance of concrete Liu Dongmei (College of Hydraulic & Environmental Engineering, Three Gorges University, Yichang 443002 China) Liudongmei926@sohu.com Liu dongmei （1977-）,female, doctor, lecture, main research the property of hydraulic materials.
(3) With seepage time prolonged, the structure of concrete became compact further with the hydration of gel materials in concrete.
Journal of hydroelectric power,2001,1:31-39 [2] Fang kunhe, ruanyan, zengli.
Journal of hydroelectric power,2001,(2):8-16 [3] Li xingyu, fang kunhe.
Journal of Yangtze river science research institute,2003,(3):27-30

Research on Uncertainties Influenced the Mixed-Model Assembly Line Balancing Yu-jie Zheng1, a, Kai-hu Hou2,b ,Jin-yuan Zhong3,c and Wei-zhen Liao4,d 1,2,3,4Department of Industrial Engineering, Kunming University of Science and Technology, Kunming, P.
Suppliers provide the raw materials to enterprises.
Suppliers’ uncertainties include uncertainties in the prices of raw materials, the quality of raw materials, the arrival time of raw materials, the replenishment’s reliability and quantities’ uncertainties.
The related activity concept in assembly line balancing: International Journal of Production Research Vol.23 (1985), p. 503-421
[8] Yangjun Luo, Zongzhan Gao,Zhufeng Yue, Bounded mixed uncertainties structure reliability optimum: design of Aeronautics: Aviation Journal Vol.32 (2011), p. 1058-1067 (In Chinese).

Representation Methods for Microwave Absorption Ceramics Zeng Zhaoyang, Liu Heng and Lu Ming PLA University of Science and Technology, Nanjing, China zengzy1212@hotmail.com Keywords: microwave absorption, effective medium model.
Two methods are widely used to represent the microwave absorption properties of ceramics: measuring the values of electromagnetic parameters such as permeability and permittivity, or directly measuring the reflection rate of a metal-backed slab sample made of this material.
Measuring electromagnetic parameters of samples in wave-guide with vector analyzer is a method widely used to represent the properties of microwave absorption materials, because microwave transmission behavior can be calculated from these parameters [3,4].
Joly: SIAM Journal on Applied Mathematics Vol. 61 (2001), p.1368
Beijing: Science Pub.

It is very difficult to polish the surface of magnesium materials because of its explosion and fragility properties.
In this study, the MAP of a magnesium material was performed.
Recently, there is increasing use of magnesium materials in automotive manufacturing field mainly due to their weight advantage.
Precise surface is obtained under this process. [4, 5] Fig. 1 Concept of magnetic abrasive polishing The enlarged view of polishing zone in Fig. 1 shows that there is pressure acting on the workpiece when removing materials.
Y., "The Effect of Heat Treatment and Extruded Mg-Al-Zn Alloy," Material Science Forum, Vol. 419-422, pp. 135-140, 2003

Journal of Manufacturing Science and Engineering 128(4) (2006):901-912
ASME Journal of Computing and Information Science in Engineering 8 (2008): 021007-1-15
Journal of Engineering and Manufacture, 2005, 87-97
International Journal of Machine Tools & Manufacture. 46 (2006):1087-1096
International Journal of Advanced Manufacturing Technology. 46(2006):667–672

Design and Experimental Research of Gas Cooler for CO2 Heat Pump Water Heater Ye Feng Liua, Guo Dong Gongb, Xi Chenc College of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, P.R.
The gas cooler is designed as counter-flow double-pipe, and material is red copper.
International Journal of Refrigeration, 2002.25( 4):421-427
International Journal of Refrigeration. 1998.21(3):172-179
International Symposium on Dialogue between Social and Natural Sciences. in February26-28 February.2007 Princess Kaiulani Hotel, Honolulu, Hawaii, U.S.

There are engineering capability index CP in Quality Management Science, the meaning is the ratio of measured parameter tolerances of the workpiece (T) and dispersion range of output workpiece parameters (6σ)[1]
In the drawings and technical documents, such quality characteristics only have unilateral lower tolerance, for example: the strength of material, lifetime of the product, withstand voltage of insulation, and some special provisions for certain process documents, all belong to this category.
Conclusion In the modernization drive, measurement science is an essential technology foundation.
References [1] Y.Q.Sun: submitted to journal of China Metrology, Vol. 3 (2011), p. 41 [2] J.S.Lu.industrial measurement Vol.S1 (2001) [3] Information on GB/T 19022-2003, Measurement Management System (2003) [4] W.Zhang, G.M.Zhao, submitted to journal of Advanced Measurement and Laboratory Management, Vol. 3(2010), p.55-57 [5] D.H.Han; submitted to journal of Science and Technology of Datong Coal, Vol.1 (2007),p.30-32 [6] J.X.

Methodology Raw materials.
In Aerospace Materials and Material Technologies Springer. 2017; 229-245
Materials. 2015; 8: 2537-68
Materials Characterization. 2017; 133: 44-53
Materials Science and Engineering: A. 2018; 711: 460-9.

Materials and methods Examined steel sheets.
(eds.), ASM Handbook, Vol. 6, ASM International, Materials Park, Ohio, USA, 1993, 226 – 229
(eds.), ASM Handbook, Vol. 6, ASM International, Materials Park, Ohio, USA, 1993, 262 – 268
Barbier, High manganese austenitic twinning induced plasticity steels: a review of the microstructure properties relationships, Current opinion in solid state and materials science 15 (2011), 141 – 168
(eds.), ASM Handbook, Vol. 1, ASM International, Materials Park, Ohio, USA, 1990, 424 – 429

Temperature Dependence of Mechanical Properties in Dual Phase Ti-6Al-4V Bhargavi Rani Anne1,a*, Masaki Tanaka2,b, Tatsuya Morikawa3,c 1PhD Scholar, Department of Materials Science and Engineering, Kyushu University, Fukuoka, 819-0395, Japan. 2Associate Professor, Department of Materials Science and Engineering, Kyushu University, Fukuoka, 819-0395, Japan. 3Assistant Professor, Department of Materials Science and Engineering, Kyushu University, Fukuoka, 819-0395, Japan.
Lutjerting, Influence of Processing on Microstructure and Mechanical properties of (α+ß) Titanium Alloys, Materials science Engineering A, 243 (1998), 32-45
Picu, Mechanical behaviour of Ti-6Al-4V at high and moderate temperatures- Part 1: Experimental results, Materials Science and Engineering A, 326 (2002), 297-305
Green, Compressive Strain-rate tests on six selected materials at strain rates from 10-3 to 104 in/in/sec, Journal of Applied Mechanics, 33 (1966), 496-504
Li, Effect of cryogenic treatment and aging treatment on the tensile properties and microstructure of Ti-6Al-4V alloy, Materials science and Engineering A, 584 (2013), 170-176