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Interphases consist of a thin coating of one or several materials on fibers.
This process has been observed on several materials combinations [8, 9].
It measures the ability of a couple of materials to debonding.
Pagano, Journal of Composite Materials, Vol. 27 (1993) p. 540
Wagner, Composites Science and Technology, Vol. 62 (2002) p. 1957

Liu etc. [9] did tensile test of micro-fiber by using self-made experimental apparatus and obtained stress-strain curves of micro-fiber and provided an experimental device for the scale effect of materials.
Experimental section Materials PLGA (M = 70000, PLA / PGA = 50:50) was bought from Jinan Dai gang Biological Engineering Co., Ltd.
Differences of mechanical properties between fibers and fiber membranes are due to the following reasons: (1) fiber membrane was porous materials while the fiber was solid material; (2) fibers of cross direction in the membranes were not loading force, therefore, only the fibers at the draw direction in the membranes were loaded.
Ding: Science Vol. 27 (2012), p. 62 [10] Y.S.
Tappi Journal, Vol.78 (1995), p. 148

So looking for economical and practical materials for water treatment is imminent.Some researchers have studied on a number of low-cost materials such as coal, fly ash, agricultural wastes and biosorbents [7].
Steel slag is the discharge in the steelmaking process, which at a high temperature oxidize the elements such as C, Si, Mn, P and other elements of the furnace charge (mainly pig iron) by air or oxygen, and produce slag by the reaction of flux (mainly limestone).The sources of steel slag includes the oxides of elements in the furnace charge, the erosion of the lining and furnace materials, the impurities of the furnace charge and the specialized materials for adjusting the steel nature [9].And the steel slag’s chemical composition mainly includes CaO, SiO2, FeO, Fe2O3, Al2O3, MgO and so on, while the main mineral phases of it is vary by the change of basicity, but its composition is almost constant.
Materials and methods Materials.
Environmental Science and Technology,2000, (1): 10-12.
Journal ofEnvironmental Management, 2006, 81(4): 384-391

The biodegradable polymers have attracted much attention as environmental friendly materials to replace the petroleum based polymers.
As a result, this process requires purification to remove the unwanted materials from the product, which requires complex facilities [2].
Experimental Materials.
Negi: Progress in Polymer Science. 34 (2009) 99
Kokugan: Chemical Engineering Journal. 151 (2009) 342

Natural fibers contain cellulose, hemicelluloses, pectins and lignin and are rich in hydroxy1 groups; natural fibers tend to be strong polar and hydrophilic materials whilst polymer materials are a polar and exhibit significant hydrophobicity [5].
International Journal of Science, Environment and Technology, Vol. 2, No 5, 2013, 805 – 812
Construction and Building Materials, 55, pp. 103-113
Effect of kenaf fibre modification on morphology and mechanical properties of thermoplastic polyurethane materials.
Materials Science and Engineering, C28, pp.1100–1111.

Rural Living Energy Status and Analysis of Southern Inner Mongolia Liu guang-qiang1, a, Lv zi-qiang2, a, Wang xi-liang3, a, Shao ge-ge4, a 1,2,3,4School of civil engineering, University of Science and Technology LiaoNing algqiang0305@sina.com blustlzq@qq.com cwangxiliang111@126.com dshaogege1992@126.com Key words: rural life; status of energy; analysis of energy Abstract Compared with urban mode of consuming energy, rural has its own characteristics.
Rural typical residential building envelope was studied to explore improvement methods and increase energy efficiency in southern Inner Mongolia by analysis the type of structure, material and the heat preservation measures.
[2] Zhangwei Study on Heating Energy Consumption of Rural Housing in Cold Areas [D], Journal of Tianjin University 2012
Journal of Shenyang Construction University, 2012(5)884-890

Whisker-reinforced ceramic matrix composites represent a new generation of high performance materials especially for high temperature applications.
Experimental Procedure Commercially available raw materials were used in this study.
Ai: Materials Research Bulletin.
Deng: Journal of Materials Processing Technology.
Fig.3 XRD patterns of ZrB2-SiCw milled materials and sintered composites Fig.4 SEM micrograph of ZrB2-SiCw-ZrC composites

Present study is helpful for analyzing the fatigue damage of engineering materials and structures.
So fatigue and damage of composite should be paid more attention like other materials.
The material parameters c, s and n are taken as 2×10 -9, 3, 0.2 respectively in the present study.
Acknowledgements Funding for this work is supplied by the National Nature Science Foundation of China (No. 50678059) and by the Scientific Research Project of Hebei Education Department (No.2005211).
Zhou: European Journal of Mechanics A/Solids Vol.25: 808-818(2006) [14] Y.

For these reasons an original or very similar techniques and materials must be used during renewal works.
They are very oversized by their dimensions and uneconomic with amount of used material.
Currently investigation of material is executed.
Cruz, Behavior and repair of carpentry connections – Rotational behavior of the rafter and tie beam connection in timber roof structures, Journal of Cultural Heritage 13 (2012) S64-S73
Cordié, Mechanical behavior of double-step timber joints, Construction and Building Materials 24 (2010) 1364-1371

These properties made it excellent material for large-size castings, such as engine blocks.
Mordike, Development of highly creep resistant magnesium alloys, Journal of Materials Processing Technology, 117 (2001) 391-394
Rzychoń, The intermetallic phases in sand casting magnesium alloys for elevated temperature, Material Science Forum 690 (2011) 214-217
Kierzek, Influence of heat treatment on susceptibility to hot cracking of magnesium alloys EN-MCMgRE3Zn2Zr, Arch. of Metallurgy and Materials, 55 (2010) 69-78
Serba, The influence of pouring temperature on the microstructure and fluidity of Elektron 21 and WE54 magnesium alloys, Archives of Metallurgy and Materials 55 (2010) 7-13.