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These nano crystalline materials exhibit novel, and unusual properties that are technologically important [3].
Tin oxide, an n-type semiconductor is one such material with a wide band gap of 3.6 eV in bulk [4] which can facilitate next generation materials with desired features.
Materials and Methods 2.1.
Sanjeeviraja (2012), Photoluminescence Studies on Nanocrystalline Tin Oxide Powder for Optoelectronic Devices, J.American of Materials Science, .2(2), pp.6-10
Shaalan, D.Hamad, A.Y.Latief, M.A.Abdel-Rahim, Preparation of quatum size tin oxide: Structural and physical characterization, Progress in Natural Science: Materials International 26 (2016) 145–151 [19] U.

Findings from this research will provide a theoretical basis for the application of recycled fine aggregate. 1 Materials and Experimental Procedure 1.1 Materials Natural fine aggregate: natural medium sand, from Urumqi Concrete Group Co., LTD.; size of particles, 0.16 ~ 5 mm; the third district distribution; specimen series number, TR.
The content of the lightweight materials can change the density distribution of the concrete components, and reduce the adhesive force of the aggregate and the cement stone.
Material Behaviour of Recycled Aggregate Concrete.
Journal of Building Materials, 2004(12) :447-450
BUILDING SCIENCE.2006(10):58-60,99

Materials and methods ELRs Expression and Purification.
Biesalski, The role of surface science in bioengineered materials, Surface Science, 500 (2002) 61-83
Picart, Multiple functionalities of polyelectrolyte multilayer films: new biomedical applications, Advanced Materials, 22 (2010) 441-467
Testera, "Recombinamers" as advanced materials for the post-oil age, Polymer, 50 (2009) 5159-5169
Mano, Stimuli-responsive thin coatings using elastin-like polymers for biomedical applications, Advanced Functional Materials, 19 (2009) 3210-3218

The Effects of ββββ-Si3N4 Whisker Content and Orientation on R-curve Behaviors of Si3N4 Ceramics Lin-Hua Zou 1, 2, a , Dong-Soo Park 2, Hai-Doo Kim 2, Chang-An Wang 1 and Yong Huang 1 1 State Key Lab of New Ceramics and Fine Processing, Tsinghua University, Beijing 100084, PR of China 2 Ceramic Materials Group, Korea institute of Machinery & Materials, 66 Sang-Nam-Dong, Chang-Won City, Kyung-Nam 641-010, South Korea a linhua_zou@hotmail.com Keywords: R-curve behavior, Whisker alignment, Si3N4, Ceramics Abstract.
Introduction Silicon Nitride ceramic is one of the most promising candidate materials for high temperature structural application; however, its brittleness limits its extensive application.
Experimental Materials Preparation.
Wakai: Materials Science and Engineering A244 (1998) 161-167 [28] N.
Wakai: Journal of Materials Science Letters 14(1995) 1369-1371

(7) (8) Relationship of the abrasive materials and the output voltage.
The experiment selected four kinds of different materials, the iron, copper, titanium and water, whose granularity is 500μm.
Acknowledgements This work was financially supported by the National Natural Science Foundation (61179044 and 61301244).
Smart Materials ＆ Structures, 2009, 18( 8) :1-13
Journal, 2002, 12 (4): 333 – 338

Hydrogen storage of Carbon nanotubes: Theoretical Studies Yanjin Wang1, a, Lieyan Wang1,b, Shubo Wang1, c, Ling Wu1, Qingze Jiao1 1Department of chemical engineering and materials science, Zhuhai Campus, Beijing institute of technology, P.
Carbon nanotubes (CNTs) have been proposed as a possible hydrogen storage material.
DFTB has been proven extremely useful and reliable in simulations of large systems with hundreds of atoms or highly predictive materials using either cluster models or placed in supercells [18-19].
Becher, Journal of Nanoscience and Nanotechnology Vol. 3 (2003), p. 3 [3] C.
Dresselhaus, Science Vol. 1127 (1999), p. 286 [4] V.V.

Introduction In many cases, the rubber material through its surface and surface properties to participate in the work.
Test section Experimental Materials.
These all help to improve the friction properties of rubber materials.
Acknowledgements The authors wish to acknowledge the financial support of National Natural Science Foundation of China (Contract No. 50875178) and Science and Technology Plan of Education Department of Liaoning Province, China (Contract No. 200814122).
References [1] Rui Shi, Ming Tian, Qing Qi, et.al: Journal of Rubber Industry Vol. 3(2006), p. 186–191,in Chinese

The Array Sensors for Consistent through-hole MFL Inspecting of Drill Pipes Yun Yang 1, a, Haitao Zhang2, b, Zhengyan Li3, c, Yihua Kang4, d 1State Key Lab of Digital Manufacturing Equipment & Technology, Huazhong University of Science and Technology, Wuhan, Hubei, 430074, China ahuster_yun90@163.com, bqile1990828@163.com, clizhengyan_ok@163.com, dyhkang@263.net Keywords: Through-hole, MFL, Analytical model, Simulation, Array sensors, Signal consistency Abstract.
MFL is recognized as the most reliable detecting method for tubular ferromagnetic materials because of its digital, easy automation, anti-interference and pollution ability etc.
The hole was assumed to be filled with air whose permeability is very close to that of the real filled material.
Acknowledgement This paper is financially supported by the National Natural Science Foundation of China (NSFC) (Grant No 51275193).
Clem: submitted to Journal of Materials Research (2003).

Coal mine methane drainage and comprehensive utilization in china Ye-Qing 1, 2,a, Pi-Yan1 , Jia-ZhenZhen1,b, Wang-HaiZhen1 1HuNan Province Key Laboratory of Safety Mining and Technology of Coal Mine, Hunan University of Science and Technology XiangTan 411201 2 State Key Laboratory of Coal Resource and Safe Mining(cumt) XuZhou 221008 acumtyeqing@126.com, bjiazhenzhen1982@126.com Keywords: coal mine; methane drainage; methane utilization; methane emission.
By the adsorption and desorption method, using the different diameter of various gas molecules and different properties of certain material adsorption performance, when the gases flow through the material ( adsorbent ), some molecular will be adopted; when the adsorption is saturated, it will be desorbed, which can be separated from other gas molecules.
The plastic materials such as polytetrafluoroethylene commonly are used as membranes.
Acknowledgements This work was supported by the National Natural Science Foundation of China (51004048), Key Laboratory of Gas and Fire Control for Coal Mines（China University of Mining & Technology), Ministry of Education）(GFCKF201104).
Journal of Mining & Safety Engineering.

Because this kind of component’s material is soft, the liner wall is long skinny, the material accuracy is high, so if the fixture designed unreasonably, or the clamping method and the processing method improper, the workpieces will be out of shape, and hardly meet the production requirement.
(1)Mandrel is the main part of the fixture, made of ductile iron, casting no obvious crack, surface processing after casting machining allowance should be 2-3 mm, weight reduction box spraying green paint, pay attention to the position of spindle right end A0 datum and positioning pin hole, and the unlabeled chamfer angle 1*45°.The dimensions as shown in figure 3;(2)Cylindrical pin (short positioning pin), materials for 45 # steel, parts size for Φ5-H7*11, chamfering 1*45°;(3) compression nut size for: M36-H7*31;(4) clamp cover material is nodular cast iron, casting no obvious crack, casting machining allowance for 2-3 mm, inner cavity after casting spraying green paint, unlabeled corner R5, unlabeled chamfer angle 1*45° , Φ7 air vent should be no special place on the surface of the cone, as shown in figure 2.
This paper is supported by Yunnan Provincial Department of Education Science Research Fund ,Project number: 2013C109 ,The People in charge of the project: Xuanlin-Ye.
[3] L.Q.Yan: Journal of Gansu Teachers College, Vol. 14 (2009) No.5, p.21-22
[5] H.S.Zhang: Solidworks2011 Chinese version of the standard(Science Press -Publishing , China, 2011), p225-267