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Introduction Composite products are being increasingly used and are becoming an important class of engineering materials for a wide range of applications, such as the aerospace, athletic and recreational equipment, transportation, infrastructure structures, military, electronic and chemical industry.
Verdière :Composite Science and Technology, Vol. 59(1999), p.1439-1449 [2] Takashi Ishikawa, Tsu-Wei Chou: AIAA Journal, Vol. 21(1983), p.1714-1721

Experiments show that the reversing pulse width adjustment method is a good speed regulation method, the dynamic, wide speed range and good linearity governor. 0 Introduction Ultrasonic motor has been widely used in difficult to machine materials; precision machine tools.
Ultrasonic motor starts stability studies, Journal of Electrical Engineering, 2011, 12(31): 282-286 [2] Zhao Chunsheng.
Beijing: the Science Press, 2007: 163-166

Acknowledgment The project is supported by the Project Fund of Science and Technology Department of Zhejiang Province (applied research on nonprofit technology) (No.2012C21089).
Niu: Chinese Journal of Mechanical Engineering, Vol.39 (2003) No.9, p23-28
Liu: Mechanics of Materials (Higher Education Press, Beijing 2005)

EL is luminescence phenomena when current through materials or substance in high electric field [2].
Acknowledgements This work was supported by the Hebei province natural science under Grant No.F2011201045.
Journal of Optoelectronics·Laser, 2011,22(9):1332-1336

A Combined Beneficiation Process to Recover Iron Minerals from a Finely Disseminated Low-Grade Iron Ore Siqing Liu1, a, Min Zhang1, b, Wanping Wang1, c, Xiujuan Li1, d 1 Department of Mineral Processing Engineering, Kunming University of Science and Technology, Kunming 650093, China a647647@163.com,b282179895@qq.com,c578607690@qq.com, d497522449@qq.com Keywords: Magnetite; Hematite; Magnetic separation; Gravity concentration Abstract: In this research, a refractory iron ore is processed, according to the basic facts of mineralogical study.
Materials and methods The finely-disseminated iron ores were originated from Yunnan Ming Huiyuan Mining Co., Ltd, Yunnan China.
[4] Fuji Yu, Zehong Wang: submitted to Journal of Mining and Metallurgical Engineering (2009)

Model is shown in figure1: Figure.1 Three-dimensional solid model 2.2 To establish the model The material of Fresnel lens mold machine tool bed of large diameter is HT250, elastic modulus E=66178MPa, the Poisson's ratio =0.27, the density of =7200kg/m3.
The local vibration mode shows that the bed local stiffness is low, there is the phenomenon of uneven stiffness composed of body parts of the structure, the main reason may be the different parts of the material distribution is not reasonable, uneven wall thickness, the section shape not specification and so on.
Journal of Northeastern University (Natural Science), 2011 Jul [2].Liang Jun, Zhao Deng-feng.Summary of the model analysis method.moder manufacturing engineering, 2006 08 [3].Wang Yan-hui,Wu Jian-guo,Miao Jian-chen.Modal analysis and structure optimization for precision machine tool bed.Machinery Design &Manufacture,2005 03 [4] He Jun,Lai Yu-huo,Tang Qing-chun,Fang Xue-ming,Shen Ling-ling.Research on the modal analysis of the bed based on the ANSYS Workbench12.China New Technologies and Products,2011 NO.14

Applied Mechanics and Materials.2013,427-429,pp1128-1131
Turkish Journal of Electrical Engineering and Computer Sciences. 2006, 15(4)

[2] Haoxue Liu: Academic Exchange Conference Symposium of "Digital Imaging Technology and Image Materials Science" (2006), P.188
[3] Haoxue Liu: Journal of Beijing Institute of Graphic Communication Vol.16 No.6 (2008), P27

Program in Engineering Science, College of Engineering, Chung-Hua University, Taiwan ajmlin@chu.edu.tw, bb09306014@chu.edu.tw Keywords: RFID-based.
Step 6: Remove the photo resist on the substrate, and using screen printing method to put plastic or polymer material around the accelerometer as dam bar, then put the cap on the dam bar for curing, before sealing it one can fill it with carbon dioxide or Xe gas.
This is a new idea to use plastic material as substrate, the thermal isolation capability is better than the traditional silicon, thus the power dissipation and cost is lower for the new design. 3.
Yang: Journal of Micromechanics and Microengineering.

Saxena, IOSR Journal of Electronics and Communication Engineering, Special Issue AETM’16, (2016) pp. 119-124 [3] J.
Tung, Materials Science and Engineering: R, 35 (1-3) (2001) pp. 1-138