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The stiffness of structure is related to many factors, the deformation of structure varies with its geometric shape, but also with the performance of materials used in the construction.
Through the material data inputting, meshing and the constraint definition, the computer program extracts the whole stiffness matrix of the structure, then the deformation and strain are deduced from the relation of loading and stiffness, the stress of unit is calculated according to the constitutive relation of materials[7].
Journal of Nanjing University of Science and Technology, 2001,25(6)
Analysis of Bus Frame Based on ANSYS[J].Journal of Liaoning University of Technology(Natural Science Edition), 2008,28(6)
Journal of Zhejiang University(Agriculture and Life Sciences), 2007,33(5)

Study on the Interface of Acetylene Silazane (SZ) Modified QF/PSA Composites Xiaoyi Zhou1,a, Yan Zhou1,b*and Shifeng Deng1,c 1Key Laboratory of Specially Functional Polymeric Materials and Related Technology of the Ministry of Education (East China University of Science and Technology), Shanghai 200237, China.
These ethynyl silazane derivatives with both the amino groups and alkynyl groups can achieve a strong interaction with both the QF and PSA by the two groups, which will improve mechanical properties of the QF/PSA composite. 2 Experimental 2.1 Materials PSA was provided by East China University of Science and Technology.
Chinese Journal of Materials Research, 2018, 32(6)
Chemical Engineering Journal, 347, 483-492
Journal of Polymer Science Part B Polymer Physics,41(1), 55–62.

School of Physics and Electronics Science, Changsha University of Science and Technology, Changsha 410114, P.
Asthana: Progress in Crystal Growth and Characterization of Materials Vol. 45 (2002), p. 161-165 [4] B.T.
Yamki: Journal of Power Source Vol. 174 (2007), p. 493-500 [5] H.J.
Qi: Materials Letters Vol. 61 (2007), p. 697-700 [7] P.
Ross: Journal of Catalysis Vol. 154 (1995), p. 98-106 [9] M.Q.

The results showed that the composite microspheres were irregular porous materials and their average diameter was 2.18 mm.
In this paper, using quartz particles as pore-forming agent, sodium silicate as raw materials, macroporous silica microspheres with 0.1-5 mm cores were made by coprecipitation method.
TiO2 film/macroporous silica microspheres composite materials have been manufactured, which have big specific surface area and good photocatalysis properties. 2.
Journal of the Chinese Ceramic Society 2006, 34(1). 107-113
Journal of Yunnan University(Natural Sciences Edition2005, 27(3). 86-88

Sahar1,b 1Advanced Optical Material Research Group, Department of Physics, Faculty of Science Universiti Teknologi Malaysia, 81310 Skudai, Johor.
Glass-ceramics are the micro or nanocrystalline materials produced via controlled crystallization of glasses [1-2].
However, the band gap of the semiconducting materials are corresponding with vary of several parameter such as the phase transition, the density of the impurities, shape, size and surface of the material [10].
Wang, Structural and optical properties of electrospun TiO2 nanofibres, Chemistry of Materials, 19 (2007) 6536-6542
International Journal of Chemical Sciences, 10:1 (2012) 479-489 [14] B.J.

In fact, this algebraic reasoning is at the heart of mathematics as a science of pattern and order.
[11] H L Ma (Chinese Journal of Science Education Vol. 9-4) 2001, pp. 375-399
[12] H L Ma (Chinese Journal of Science Education vol. 12-1) 2004, pp. 53-81
[13] H L Ma (Chinese Journal of Science Education vol. 15-4) 2007, pp. 387-416
[34] D B Wu and H L Ma (Applied Mechanics and Materials vols. 44-47) 2011, pp. 3922-3926

Methodology Materials.
Gradients in composite materials, In: Materials Science and Engineering 10. (1972) [2] Miyamoto Y, Kaisser WA, Rabin BH, Kawasaki A, Ford RG.
Functionally graded materials: design, processing and applications, Materials Technology series.
Processing techniques for functionally graded materials, Materials Science and Engineering A 362, 81-105. (2003) [4] Negro, C.; Blanco, A.; San Pío, I.; Tijero, J.
Fibre Reinforced Cementitious Composites, Elsevier Applied Science.

Based on the "regulation and sand, with sand sand", for the lack of sandy material source such as plant and clay in Northwest desert area, Inner Mongolia, many scholars have tried using aeolian sand resources that widely distributed alongside the highway construction, making local materials into sandy barriers bags, a new type of technical measures used to prevent sand-fixation[11,12] .
Test facilities are cold and arid regions environment in Chinese Academy of Science and indoor medium-sized environmental wind tunnel in engineering research institute.
JOURNAL OF DESERT RESEARCH,2002,22（3）:229-232 [5] GAO Yong,QIU Guoyu, DING Guodong.
Journal of Desert Research,,2004,5（24）:365-370 [6]LIU Yan wang sand engineering experiment [M].BeiJing: Science press..1995 [7]CHANG Zhao feng, ZHONG Sheng nian ,HAN Fu gui. investigation of reasonable distance of clay sand-barrier and wheat straw sand-barrier [J].
Journal of Desert Research,2000,20（4）:455-457 [8]HU Meng chun，ZHAO Ai guo.

Introduction Layered double hydroxides (LDHs) are anionic layered inorganic functional materials with unique structural characteristics and composition, including adjustable pore structures and high catalytic performance.
LDHs have wide potential applications and have gained widespread attention as catalyst carriers or catalyst materials[1, 2].
As a solid base materials, LDHs can be used as a high efficient catalyst in aldol condensation[3], transesterification[4], alcohol oxidation[5], epoxidation[6] and phenol hydroxylation[7].
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (21076047).
Lu: Journal of Guangzhou University (Natural Science Edition) Vol. 10(2011), p. 14 [12] T.

Materials and methods Materials.
L: International Journal of Pharmaceutics, Vol. 126 (1995), p.169 [2].
J: Journal of Controlled Release Vol. 122 (2007), p.338 [4].
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K., Beoy F.: Journal of Controlled Release Vol. 98 (2004), p.67 [9].