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The Preparation of ZnO Gas-sensing Material by Nucleation- Crystallization Separation Method Xiu-Tao Ge 1,a, Jun-hai Wang 1,b， Ding Wang 2,c and Jia-qiang Xu 2,d 1Department of Chemistry and Life Science, Chuzhou University, Chuzhou 239012,China 2Department of Chemistry, College of Science, Shanghai University, Shanghai 200444,China aemail, gext59228@126.com, bemail, wjh166@163.com, cemail, Wangding@shu.edu.cn, demail, xujiaqiang@shu.edu.cn Keywords: Nucleation-Crystallization Separation; ZnO nanoparticles; Gas-sensing materials Abstract.
ZnO nanoparticle, a new state of ZnO, has a broad application prospects in high-tech industry, such as in optical materials, gas-sensing materials, electrode materials, active catalysis, magnetic materials, sterilizing materials and etc [6-9].
Therefore, it not only broadens the range of applications of the nucleation-crystallization in materials synthesis, but also provides a new way improving the performance of ZnO gas sensors and functional materials for industrial production.
Referrence [1] Rujuan Shen, Dianzeng Jia, Yongmin Qiao:Journal of Inorgnic Materials, 2001, 16(4), 625 [2] Xu J Q, Pan Q Y, Shun Y A:Sensors and Actuators B, 2000, 66, 277 [3] Xiao Y H, Li L, Li Y. : Nanotechnology, 2005, 16, 671 – 674
[4] Guoping Zhan, Kelong Huang, Suqin Lou: New Chemical Materials, 2001，29（7）,15 [5] Jiaqiang Xu, Huanxin Wang, Jianrong Zhang: Journal of Inorgnic Materials, 2004, 19(6),1441 [6] Shi L, Xu Y, Hark S K, et al:Nano Lett., 2007, 7(12), 3559 [7] Wang C.

In this study, the micro grindability of various hard and brittle materials was investigated.
Appearance of micro ground surface for various hard and brittle materials.
Form errors and aspect ratio versus various hard and brittle materials.
Matsumura: Solar Energy Materials & Solar Cells Vol. 90 (2006), p 1527
Komanduri: Materials Science and Engineering A Vol. 297 (2001), p230.

Journal of Materials Processing Technology 209 (2009) 4850-4856
Journal of Materials Processing Technology 211 (2011) 376-381
Journal of Materials Processing Technology 202 (2008) 275-282
Materials and Design 30 (2009) 1930-1938
Journal of materials processing technology 202 (2008) 275-282

In this paper, homogeneous and pure layered cathode materials with PEG400 and PEG2000 were synthesized and investigated by co-precipitation method due to its better electrochemical performance than the material has no additive.
The elements of Na, Ni, Co, Mn derived from the materials were detected in Table 1.
Ajayan, Acs Applied Materials & Interfaces. 3 (2011) 2966-2972
Kamarulzaman, in International Congress on Advances in Applied Physics and Materials Science. 1400 (2011) 280-285
Sun, Materials Chemistry and Physics. 95 (2006) 218-221

International Journal of Research and Reviews In Applied Sciences, Vol. 1(3), pp. 209-217
Journal of Engineering Science and Technology, Vol. 2(1), pp. 102-110
Construction and Building Materials 14 (2), 89-97
Journal of the Transportation Research Board, National Science Council.
J. 2006 Influence of compactive efforts on lime-slag treated tropical black clay Journal of Materials in Civil Engineering, ASCE.

School of Materials Science and Engineering, Chang’an University, Xi’an 710061, China 2.Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang’ an University, Xi’ an 710064, China aguanbowen2001@163.com, b chenshuanfa@sohu.com, c liukaiping@163.com , Keywords: Brucite fiber; Cement based composite material; Cement mortar; Concrete Abstract.
Introduction The cement based materials is considered a nondurable material as it has low tensile and bending strength ,less limit strain and poor impact strength .It is difficult to suppress the growth of cracks and is apt to fractured.
Enormous economic losses caused by the sudden and uncontrollable damage of construction is avoidless .Therefore, cement based materials are limited as a kind of structural materials.
It has great significance to research the brucite-fiber-reinfored cement based composite materials as it could improve the performance of concrete.
Gu: Journal of Highway and Transportation Research and Development, Vol.23 (2006) No.1,p.24

Multilayer materials include combined materials based on bentonite and concrete mats, geomembranes and geotextiles.
Higher educational institutions journal.
Series: Engineering science (2006)
Materials Science. (2017) 548-553
Vedeneeva VNIIG journal, 275 (2015) 68-77.

DeRunts and Hodge carried out a limit analysis of a tube compressed between two rigid place for rigid perfectly plastic materials by assuming a model consisting of four plastic hinges which remain stationary relative to the rigid portions of the tube.
International Journal of Mechanical Sciences 1983;25(9-10):649-67
International Journal of Mechanical Sciences 1976;18:387-97
International Journal of Mechanical Sciences 1976;18:501-9
International Journal of Mechanical Sciences 1977;19:423-37

For microcrystal muscovite, its more applied in fillers, insulation materials[14] and adsorption materials[15].
Experimental Raw materials and reagents.
Tian: Polymer materials science and engineering. 2-27 (2011) 152-155
Divband: Materials Science in Semiconductor Processing. 26 (2014) 540-547
Chen: Materials Research Bulletin. 44 (2009) 719-723

This paper aims to present preliminary researches on the influence of the shape and dimensions of composites materials on the stability of microwave heating.
Materials and Methods The research was focused on experimental research of thermal stability of cordierite material in microwave field.
The process can be improved in terms of heating time through optimizing the heating mechanism, but for large volumes of cordierite materials, the conditions will be changed.
Lin, Urea-SCR Temperature Investigation for NOx Control of Diesel Engine, MATEC Web of Conferences, Vol. 26, p. 03002, EDP Sciences (2015)
Benga, Thermal Runaway of the BaCO3 + Fe2O3 homogenous mixture and mechanical alloys at the microwave heating, Advanced Materials Research, 837 (2014) 185-189 [6] R.C.