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So much research demonstrates that the chemical reaction between silica and sapphire will generate some soft alumina materials known as kaolin; the activation energy is about 14.6Kcal/mol.
Roussel: GaN 2007 - New perspectives for nitride materials and devices.
Journal of the American Ceramic Society, 1976, 54(3-4): 143-145 [4] Y.
Journal of the American Ceramic Society, 2005, 88(8):2277-2285 [8] H.
Applied Surface Science, 2004, 236:120-130

Japan strongly advocated the packaging reduction[14], raw materials are saved by reducing thickness of the container, thinner film, reducing packaging layer or changing packaging materials [2]; American advocates goods without packaging or composite packaging，the material of which are always paper, timber and fabrics [7], in American the Priorities of the Environmental protection policy are reduction, reuse, recycle, cremation and landfill.
In Germany, excessive packaging has no market, the materials of gift-wrap are always simple gifts paper of low cost [7], the network system of two-way recovery requires the enterprise to reduce the material using and use eco-friendly materials [1].
Singapore promote source reduction in great regulations, they pay attention to realize the garbage reduction and recycling by economic policy; Austria suggests that commercial tenant should recycle packaging materials unless they set up collection vessels though the law named Packing Materials Circulate Using Regulations[11].
All kinds of materials such as metal, plastic, wood, glass, paper should consider packaging reduction.
In the course of packaging reduction, on the one side, the designer should ensure the material less used, on the other side, they also should pay attention to the purpose of packaging, which are protecting product, convenient storage and sales promotion. 4) Packaging reduction means that the product are packaged with the least material, not only for packaging material, but also for those materials which used in all links such as printing materials, decoration materials and so on.

With the advent of the knowledge economy and the rapid development of information technology era, people's demand for the living environment has been far more than mere material comfort.
In the construction of ecological Residential district, we want to reasonable use environmentally friendly technologies and materials, make full use of clean energy and energy resources, plant cell with plants, landscape design and water circulation water treatment effective ecological treatment creating conducive to stability and harmony of natural ecosystems, but also help people health natural environment [1].
To comply with the principle of economy, it is necessary to properly control the garden landscape design in an area, selecting the ideal garden materials, reduce or do not take advantage of the large fountains and lawns, clever design on the original terrain, good use by the King, to reduce the cost of housing residential landscape design.
Science China, 2010, 7:1-11
Journal of Ecology, 2008, 96(1): 8-12

While the advent of elastic meltblown nonwoven materials solved this problem.
The aim is taking advantage of excellent filter of meltblowm materials in the possibility of improving the materials elasticity.
Then the study should focuses on the transform of row material and structure from single one to composition of multiple materials and structures.
Techtextiles & Nonwovens Symposium The 4th Forum on Disseminating High-Tech Applications in Techtextiles (Protective Materials and New Flexible Materials). (2005), p. 98-99 [4] M.
Journal of Xi’an Institute of Engineering Science and Technology.

The study of polymer rheology, on one hand can provided rich information of materials processing, on the other hand it is also an important method to study the structure and property of polymeric materials.
Experiment 2.1 Experiment material The experiment materials are polyester (PET), PET/10% 9,10-dihydro-10[2,3-di-(hydroxy carbonyl)propyl]-10-phosphaphenanthrene-10-oxide ( DDP), PET/10%DDP/3%BaSO4, and PET/10% DDP/5% BaSO4.
Acknowledgement This work was financially supported by Shandong Provincial Natural Science foundation item(NO.Y2007D55).
European Polymer Journal. 2007, 43:980-988 [2] Wang C S, Lin C H.
[6] M.Yang, C.Zhao, J.Wang, Y.Wang: Journal of Flame-retardant Materials and Technology6 (2008)3

The strain in a material is typically defined as the amount of deformation relative to its original shape.
Mroz, Finite element analysis of deformation of strain‐softening materials, International Journal for Numerical Methods in Engineering.
Ameyama, Deformation behavior analysis of harmonic structure materials by multi-scale finite element analysis, Advanced Materials Research.
Tuchinda, Computational study of excitation controlling parameters effect on uniform beam deformation under vibration, International Journal of Engineering.
Tuchinda, Development of temperature-strain prediction based on deformation-induced heating mechanism in SCM440 surface cracked shaft under ultrasonic excitation, International Journal of Engineering.

The oil composition of raw materials for producing petroleum sulfonate is complicated, and the sources for sulfonate are different, so the petroleum sulfonate is made up of complicated mixture and different molecular structure.
Petroleum science and technology. (2006), p:1469-1476
Journal of Xi′an Petroleum Institute (Natural Science Edition) (2003) p: 21-26
[8] Caili Dai, Fulin Zhao, Jianhong Xiao..Studies on the reutilization techniques of the residual polymer information after polymer flooding.Journal of Xian Shiyou University (Natural Science Edition) (2006) p: 56-60.

Influence of Flux on Sintering Property of Imported Hematite Ore Jinzhu Zhang1, a, Jun Huang2, b College of Materials and Metallurgy, Guizhou University, Guiyang 550003, China ajzzhang@gzu.edu.cn, bhuangjun172634@163.com Corresponding author E-mail address: huangjun172634@163.com Key words: sintering; hematite; flux; compressive strength Abstract: The microstructure and compressive strength were investigated by means of optical microscopy, X-ray diffraction, and tensile testing machine.
This work was supported by the national Science Foundation of China (50664001).
Journal of University of Science and Technology Beijing, 2005, 27(3):291-293.
Journal of Northeastern University (Natural Science), 2009. 30(1): 86-89.

[5] Wu Bo: Mechanical properties of RC structures after fire (Science Publishers, Beijing 2003), in Chinese
[6] YAN Hui-qun, et al.: Journal of Sichuan University Vol. 40(2008), p. 74–78, in Chinese
Bazant and M.F Kaplan: Material Properties and Mathematical Models (Addison-Wesley, London 1996)
[13] Emmanuel E. et al.: Journal of Performance of Constructed Facilities Vol.12 (1998), p.77–84
[15] A.W.Adamson: Physical Chemistry of Surfaces (Science Publishers, Beijing 1985), in Chinese

School of Chemistry and Materials Science, Liaoning Shihua University, Fushun 113001, China *Corresponding author: Davidfine@163.com, Slzang@lnu.edu.cn Keywords: Pyridine; Rhenium; ionic liquid; property; structure Abstract.
Acknowledgement This project was supported by NSFC (21071073, 21003068), National Science Foundation of China, Fundation of Education Bureau of Liaoning Province (No.2008S103, No.2009S041), and Liaoning University research funding.
Wang, SCIENCE IN CHINA.
Deng, Journal of Molecular Catalysis A: Chemical, 2006, 250: 163-168
Wang, Chinese Journal of Chemistry, 2010, 28: 179-182