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Resources, including oil and natural gas, are the indispensable raw materials for the industrial manufacturing in various countries in the world; in order to ensure the smooth production, countries’ demands on resources will go up constantly; consequently, the global floating of production factors and resources, brought about by the economic globalization, will objectively force Russia to expand its export of oil and natural gas.
Journal of Social Science of Jiamusi University, 2013, (3): 41-43
Journal of Chinese Academy of Social Sciences, 2013-03-27 (002)
Journal of Chinese Academy of Social Sciences, 2013-03-27 (002)
Journal of Finance and Economics, 2011, (5): 130-137

Materials Diethyl ether, acetone, chloroform, benzene, toluene, and dimethylformamide (EKOS, Russia).
Journal of Cleaner Production, 238, 117742. https://doi.org/10.1016/j.jclepro.2019.117742 [3] Mottillo, C., & Friščić, T. (2017).
Polymer Science, 3(1), 50-55
Polymer Science U.S.S.R., 18(10), 2590-2598. https://doi.org/10.1016/0032-3950(76)90186-6 [6] Andrianov, K.A. (1968).
Journal of Polymer Science Part A: Polymer Chemistry, 38(9), 1580-1589. https://doi.org/10.1002/(sici)1099-0518(20000501)38:9<1580::aid-pola22>3.0.co;2-7 [22] Shapkin, N.P., Kul’chin, Y.N., Razov, V.I., Voznesenskii, S.S., Bazhenov, V.V., Tutov, M.V., & Slobodyuk, A.B. (2011).

Because of the computational and statistical nature of most of these fields, OR also has strong ties to computer science and analytics.
Saghafinia, "Using Data Envelopment Analysis for Green Supplier Selection in Manufacturing under Vague Environment," Advanced Materials Research, vol. 622, pp. 1682-1685, 2013
Saghafinia, "Supplier Selection and Performance Evaluation of Telecommunication Company," American Journal of Engineering and Applied Sciences, vol. 5
Rhodes, "Measuring the efficiency of decision-making units," European Journal of Operations Research, vol. 2, pp. 429-444, 1978
Thrall, "Recent developments in DEA: the mathematical programming approach to frontier analysis," Journal of econometrics, vol. 46, pp. 7-38, 1990

China 4Shandong Provincial Key Laboratory of Polymer Material Advanced Manufacturing Technology, Qingdao University of Science & Technology, Qingdao, 266061, P.R.
Experiment materials and apparatus.
Holm, The Mechanism of Gas and Liquid Flow through Porous Media in the Presence of Foam, Society of Petroleum Engineers Journal, 8 (1968) 359-369
Asghari, Application of CO2-Foam as a Means of Reducing Carbon Dioxide, Journal of Canadian Petroleum Technology, 45 (2006) 37-42
Xi, Review on measurement techniques of performance and influence factors of stability for foam, Journal of Chemical Industry &Engineering, 28 (2007) 25-29

Study on treatment of dyeing wastewater by Fe0-H2O2 system Shanhong Lan1,a, Chuanlu Wang2,b, Jiahao Sun2,c, Heng Zhang2,3d 1College of Chemwastry and Environmental Engineering,Dongguan University of Technology, Dongguan, Guangdong; 2College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao; 3Key lab of pulp and paper science & technology of minwastry of education, Jinan, shandong Province, China; alllssshhhh@126.com, b329101300@qq.com, c1836354@qq.com, dhgzhang@sina.com, Keywords: Printing and dyeing wastewater; Fe0-H2O2 system; advanced treatment; CODCr removal efficiency; Abstract.
Materials and methods The experimental water.
Acknowledgements This work was financially supported by the Industry-university-research Cooperation Project of Guangdong Minwastry of Education (2012B091100496), Dongguan Municipal Science and Technology Plan Project (2011108102005), Qingdao Municipal Science and Technology Plan Project (12-1-4-3-(28)-jch) and the Open Fund of Key Lab of Pulp and Paper Science&Technology of Minwastry of Education(08031337).
Chiou: Journal of Hazardous Materials.

Test materials were �-TCP, and four materials created from ßRhenanite and its derivatives: R1-ß-Rhenanite (CaNaPO4); R1/M2 - composed of CaNaPO4 and MgNaPO4; R1+SiO2 composed of CaNaPO4 and 9% SiO2 (wt%); and R17 - Ca2KNa(PO4)2.
These materials have a higher solubility and higher degree of biodegradability than tricalciumphosphate (TCP) [5], and therefore could be near optimum alloplastic materials.
Journal Title and Volume Number (to be inserted by the publisher) Materials and Methods Preparation of Disks.
Preparation of all these materials has been described in detail elsewhere [5,6].
All test materials were preincubated in 500µl of culture medium for 24 hours without cells.

Acknowledgements This work was financially supported by the Natural Science Key Project in Ningxia University(NDZR10-5), the Natural Science Key Project in Ningxia (NZ1158), and the Ningxia Higher School Science and Technology Research Project.
(in Chinese) [3] Xu Junlan,Xiang Zhongfu.Discussing gravity stiffness of suspension bridges[J].Journal of Chongqing Jiaotong Institute,2000,19(2):71―74.
Advanced Materials Research, Vol.255-260, p 1039-1042.(2011) [5] Jimsing N J.Cable supported bridges—Concept & Design.England:John Wiley& Sons,1997.

Analysis of Deformation of Reflector for RF-Excited CO2 Laser Yan Zhang1,a,Weike An1,b,Yong Zhou1,c,Jingyin Tan1,d 1College of Mechanic Engineering,Hunan institute of science and technology,Yueyang 414006 abeautyhall2002@yahoo.com.cn,banweike12@163.com,cquanyzhou@21cn.com,djyt@163.com Keywords: Reflector, ANSYS, Thermal deformation Abstract.
The material of reflector is copper.
According to related handbook, the material attribute of copper are as follows: the density is 8940kg/m3, the elastic modulus is 1.1661011Pa, the Poisson ratio is 0.35, the linear expansion coefficient18.310-6K-1, the thermal conductivity is 391W/m·K, the heat capacity is 385J/kg·K.
Journal of Chongqing University of Science and Technology:Natural Science Edition, (2008)122-123

From here, obvious furrows can be found and they are caused by the chip materials of the hard phase materials.
Also, as the grains of the structure are bulky and they are not easy to fall from the materials, there are not many pits on the wearing surface.
As the grains are small, the furrows caused by the peeled hard phase on the materials are narrow and numerous.
Dreyert, Ti(C,N) Cermets - Metallurgy and Properties, International journal of Refractory metals and hard materials, 13(1995) 343-351 [2] X.
Effect of carbon content on the microstructure and mechannical properties of (Ti,W,Ta,Mo) (C,N)-(Co ,Ni) cermets, J. international journal of Refractory metals and hard materials. 17(1999)265-273 [8] Y. zheng, W.

Based on industrial Al2 (SO4) 3 as raw materials, was prepared by neutralization of high purity alumina.
Functional Materials, 1995，24（2）：187-192
Using Fly Ash as Raw Materials for Preparation of High Purity Alumina [J].
Journal of Guizhou University (NATURAL SCIENCE EDITION), 2009，26(4):95-96
Functional Materials，2006，7（37）：1138-1141.