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On the development of chinese paper industry, the planting of fast-growing hardwood is the most efficient way to solve the shortage of wood raw material.
This work will be worth for the factories which use the fast-growing poplar as row material to make chemical pulp.
Materials and methods Materials.
Acknowledgment The authors are grateful for the financial support from the National Science Foundation of China (Grant No.30972326, No.31070525 and No. 31100434), the Prior Special Study of 973 Program (Grant No.2011CB211705), National Key Technology R&D Program (No.2011BAC11B04), Natural Science Foundation of Shandong Province (Grant No.ZR2010CM065, ZR2011CM011) and Taishan Scholar Program of Shandong Province (Grant No.2605) References [1] Chen, Z.
“Timber characteristics and pulp properties of the triploid of Populus tomentosa,” Journal of Beijing Forestry University 5, 22-25

Nano materials have been applied in different areas affecting daily lifes, such as antifouling fabric, self-cleaning tiles and photocatalyst air cleaners.
Salmiah (2001) tested gloss of the coated materials cured under UV radiation was measured in accordance with ASTM D523.
According to the D 1729 standard practice for visual appraisal of colors and color differences of diffusely-illuminated opaque materials designed ASTM, the lightness difference and color difference (ΔE) of the coating was calculated by the SCM-108 color meter [10].
Yavuzcan: Journal of Applied Polymer Science Vol. 93 (2004), p. 498 [4] Y.
[10] ASTM D 1729, Standard Practice for Visual Appraisal of Colors and Color Differences of Diffusely-Illuminated Opaque Materials, ASTM International, United States (1996)

Boudart, science, Vol. 181, (1973), p. 547
Journal of Refractory Metals & Hard Materials, Vol. 25 (2007), p. 386
Nusimovici Flammaron Sciences, Paris, 1971
Johnsson, Journal of applied physics, Vol. 101 (2007), p. 123519
Boudart, Science Vol. 181 (1973), p. 547

Materials and Design 28 (2007) 2287–2294 [5] Bismarck A., Baltazar-Y-Jimenez A., Sarlkakis K.
Socio-economic aspects of green materials.
Materials and Design 30 (2009) 2191–2197 [8] Pothan L.
Journal of Composite Materials 1995; 29(17): 2334-63. [19] S.
Standard Test Methods for Tensile Properties of Polymer Matrix Composite Materials. [21] ASTM standards D6272.

Studies on Evaluation Methods of Medium-term Inspection about Master Degree Thesis with Interval Number’s Sorting Way Yu'e BAO1,a and Eerdun Bai2 1College of Mathematics, Inner Mongolia University for Nationalities, Tongliao 028043, China 2College of Computer Science and Technology, Inner Mongolia University for Nationalities, Tongliao 028043, China abyebed@163.com Keywords: Interval number; Sorting method; Medium-term inspection of thesis Abstract: In the work of medium-term inspection evaluation about master degree thesis in colleges and universities, it’s only grade but no superior difference.
Introduction Graduate thesis is reflected as the basic condition applying for a grant of the corresponding degree, but also is the comprehensive reflection of the quality of graduate education .At the same time, it’s the important material what is used by education department to monitor and evaluate the quality of graduate education.
Acknowledgments This work is supported by the Inner Mongolia Natural Science Foundation of China(2010MS0119).
Liu, Research on the ranking of multiple decision object for attribute value within interval numbers, J.Chinese Journal of Management Science. 18(2010)90-94
Zhang, Interval Number Theory and Its Application, Science Press,2010.

In addition to their good thermal performance, earth materials are abundant, inexpensive, and readily available, reducing the need for resource-intensive materials like concrete and steel.
For earth materials extracted on site, the compaction energy represents the main parameter to evaluate.
Materials and Methods 2.1.
Materials and workmanship for earth buildings. 1998
Olivier, ‘Clayey soil behavior under static compaction test’, Materials and Structures, vol. 32, pp. 687–694, Nov. 1999

Introduction Various materials such as stainless steel or titanium have been used to reconstruct human body functions lost from aging, illness, or accidents, and these materials have supported medical progress 1).
Notably, among those artificial materials, metal materials are still considered very useful in many medical devices, because of their excellent strength and toughness 2).
However, one of the challenges in using metal materials for dental prosthesis is aesthetics.
Experimental Procedures Materials and porcelain-firing procedure.
Tokyo, 2001 [2] Introduction to medical metal materials, The Japan Institute of Metals and Materials, Maruzen Publishing Co.

Experimental Materials preparation.
Journal of Materials Science & Technology. 31 (2015),512-516
Journal of Materials Science & Technology. 11(2016) 1152-1160
Infrared Spectroscopy - Materials Science, Engineering and Technology.
Key Engineering Materials. 734 (2017)104-115

Study on Corrosion Inhibitor Technology in Gas Pipeline Yunping Zheng 1, a, RenChengqiang 2,b, AiShaoping 3,c , ZhangFeng 4 , and ShanJiang 4 1School of Petroleum Engineering, Southwest Petroleum University, ChengDu, 610500, China 2School of Materials Science and Engineering，Southwest Petroleum University, ChengDu, 610500, China 3 PetroChina TangShan LNG Project Department, TangShan, 063000, China 4 No.1Gas Production Plant, PetroChina Xinjiang Oilfield Company, Karamay, 834000, China azhengyunping2003@163.com, brenchengqiang@163.com, casp08010@163.com Keywords: Gathering Piepline; CO2 Corrosion; Inhibitor; Pre-film Abstract.
With the advance of the exploration and development technology, the corrosion problem in oil and natural gas industries has attracted more and more attention due to the appearance of H2S, CO2 and other corrosion medium in the oilfields. 20G steel was used as materials of the gas pipeline in P5 gas field.
Corrosion degree and evaluation procedures 20G steel was used as materials of the gas pipeline in P5 gas field.
Gao, “Internal corrosion characteristics and anti-corrosion techniques of gathering and transportation pipelines of a single well in gas condensate fields”, Natural Gas Industry, Vol.30(4), 96-101, 2010, In Chinese [2] T.YANG, H.Yang, F.J.Wang, J.F.Tan, H.Z.Li, “Anti-Corrosion Technology in Gas Wells with CO2”, Natural Gas Industry, Vol.27(11), 116-118, 2007, In Chinese [3] Q.L.He, H.M.Meng, H.Y.Yu, Z.S.Pan, X.D.Wang, D.B.Sun, “Recent Developments in Carbon Dioxide Corrosion of N80 Well Tube Steel”, Journal of Chinese Society for Corrosion and Protection, Vol.17(3), 186-191, 2007, In Chinese [4] Q.A.Yang, Q.W.Li, Y,Jiang, B.H.Chen, J.J.Qi, “Recent Wellbore Corrosion Prediction and Inhibitor Filling Study of JingBian Gas Field”, Natural Gas Industry, Vol.25(4), 68-70, 2005, In Chinese

There is a large number of materials available on the market and it is often very difficult to have a good grasp.
With the development of materials with greater demands on thermal properties, the composition of roof elements started to change gradually.
Choice of materials is not simple due to the extensive product range on the market.
In 1954 the foam concrete was introduced to professional community in the construction Journal.
Comparison of technical characteristics and technology of laying light building materials for floor construction.