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Acknowledgment This work was supported by the Natural Science foundation of China (Grant No. 51175478), Natural Science foundation of Zhejiang Province of China (Grant No.
Y1110509) and Project of Science and Technology Department of Zhejiang of China(Grant No. 2011C23040) References [1].
A study of the characteristics of a one-degree-of-freedom positioning device using spring-mounted piezoelectric actuators .Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, vol.223, pp. 2017-2027,(2009) [2].
Journal of Intelligent Material Systems and Structures, vol.21, pp. 961-973,(2010)
Journal of the European Ceramic Society, vol.27,pp. 4159-4162(2007).

But the system can support the file format is not much, have some limitations in practical applications, particularly in the current multimedia material pursuit of interactive teaching effect more and more tools, document form more and more rich, PowerPoint has not completely meet the requirement of making courseware.
Acknowledgements This work was financially supported by the Department of Tianjin Normal University Education Foundation（52X09032） References [1] Xumin Duan, Zili Xu, Liantang Zhang and Jxia Du: submitted to Journal of Henan University (Natural Science Edition)(2006) [2] Xianghua Li: submitted to Computer and Modernization(2007) [3] Jie Liu: submitted to Journal of the Hebei Academy of Sciences(2006) [4] Huaxing Zhang,Yi Sun and Jihong Shan: submitted to Journal of Wuhan University of Science and Technology(Social Science Edition)(2006)

Composite slab being a combination of two different components, wide researches have been carried out to enhance the structural behavior and material properties.
Making it more efficient with the minimum use of materials composite construction method has gained its popularity [2].
Journal of the Structural Division, ASCE 1976; 106 (ST 11): 2121-35
Mohamed, Structural behavior and m-k value of composite slab utilizing concrete containing rubber, Construction and Building Materials 24(2010) 1214-1221
Prajapati, M.G.Vanza, M.D.Vakil, Behavior of Cold Formed Stainless Steel Composite Deck, International Journal of Earth Sciences and Engineering, ISSN 0974-5904, Volume 04, No 06 SPL, October 2011, pp. 616-618

Experiment results showed that WEDM in atmosphere offers advantages such as better straightness and higher material removal rate.
A typical mould steel 9SiCr was selected as the test material.
In Electrical Discharge Machining, the discharge gap length influences machining stability, material removal rate and machining accuracy directly.
It is clarified in Fig.10 that the all material removal rates in atmosphere are highter than that in emulsion.
Kunieda: International Journal of Electrical Machining, (2002) No.7, pp.3

For many years, titanium dioxide pigments had booming for presenting opacity and whiteness to a whole host of different materials.
Thus, it had produced synthetic rutile that had been used as starting material for this study.
The solution is painted on glass slide and inserted into gas tube tested according to ISO/CD 22197-1 Test method for air-purification performance of semiconducting photocatalytic materials – Part 1: Removal of nitric oxide.
Stratton, Julie Maltby and Claire Bygott, Photocatalytic Surfaces: Environmental Benefits of Nanotitania, The Open Materials Science Journal, 3 (2009) 6-27
Mousa, Structural features and photocatalytic behavior of titania and titania supported vanadia synthesized by polyol functionalized materials, Microporous and Mesoporous Materials 109 (2008) 445–457.

Commercially pure tantalum TVCh and copper M0 were used as materials of interlayer.
Explosive welding is reliable technique to produce multilayer composite that composed of dissimilar materials [10, 11].
The plate’s thickness of materials used for interlayer are 100 μm.
Formation by welding by explosion of layered composite materials from diverse steels, Obrabotka metallov. 1 (2010) 6-8
Skorokhod, Structure and microhardness of Cu-Ta joints produced by explosive welding, The Scientific World Journal. 2013 (2013) 1-7.

Efficient Synthesis of 3,4-Dihydropyrimidin-2(1H)-Ketone Using SbCl3 as Catalyst under Ultrasonic Conditions Jin Lina, Jing fen Lib , BinbinZhengc , XiaotingDaid, Jia Fenge and Tingting Yuf School of Life Science, Huzhou Teachers College, Huzhou, China a249227011@qq.com, bljfljf@hutc.zj.cn, c943702234@qq.com, d1379079956@qq.com, e1546136748@qq.com, f1491723037@qq.com Keywords: Ultrasonic, oxalic acid, 3,4-dihydropyrimidin-2(1H)-ketone Abstract.
In this study, SbCl3 as catalyst to benzaldehyde, ethyl acetoacetate and urea as raw material in the ultrasonic radiation synthesis of 3,4-Dihydropyrimidin-2(1H)-ketone.
Experimental section Materials.
Conclusion In the ultrasonic radiation to benzaldehyde, ethyl acetoacetate, urea as raw material, SbCl3 as the catalyst, synthesis of 3,4-dihydropyrimidin-2(1H)-ketone.
Journal of huaiyin normal university, 8(2009) 52-54 [3] Xu Gongheng, Pan Jie.

Management Science,Vol.38, No.3, 1997, pp. 92-102
Management Science, Vol. 43, No. 3, 1997, pp. 546-558
Management Science, Vol. 46, No. 5, 2000, pp. 626-643 [7] Z.
International Journal of Purchasing and Materials Management.
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The manufactured composite material mainly consists of organic polymeric materials like polyester fabric and PET thin film.
Introduction Composite materials have been sharing a bigger role in engineering structures for decades and such a trend still continues today.
Now their application even extends to aerospace industry where traditionally metallic materials have played a dominant role [1].
However, for actual engineering application, fabricated composite materials are routinely tailored into a shape to meet the design requirement and naturally leave so called “cut” cross section around the edges of the “components”.
Sutton, an aluminum statue of 1893: Gilbert’s Eros, Journal of Institute of Metals, Vol. 60, (1938) 67 – 74

Materials and Methods Materials.
In Table 2, we appreciate the quantities of materials for 1m3 employed for the concrete with TW (control) and concrete with domestic wastewater from WWTP Carapongo and WWTP San Antonio de Carapongo.
Construction and Building Materials, 105, 253-261. https://doi.org/10.1016/j.conbuildmat.2015.12.039 [26] Al-Joulani, N.
Impact analysis of water quality on the development of construction materials.
International Journal of Chemical Sciences, 12(1), 155-162. https://doi.org/10.9790/1684-1306024145 [36] Varshney, H., Khan, R.