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Catalytic synthesis of ethyl acetate using Ti2SnC Yunhui Long1, a, Junming Guo2,b*, Dushu Huang3,c, Guiyang Liu4,d 1,3,4College of Science, Honghe University, Yunnan 661100, China; 2 The Engineering Laboratory of Polylactic Acid-Based Functional Materials of Yunnan，Yunnan University of Nationalities,Yunnan 650500, China ahui7476@126.com; bguojun_ming@126.com; chuangdushu@yahoo.com.cn; dalios@126.com Key words: Ti2SnC; Catalyst; Ethyl acetate Abstracts: The catalytic synthesis of ethyl acetate from ethanol and acetic acid using Ti2SnC in liquid phase under the atmospheric pressure was studied.
Introduction Ethyl acetate is an important organic solvent and organic chemical raw material which is widely used in spices, adhesive, synthetic fiber, pharmaceutical and paint.
Experimental Materials Instruments: DF-101D heat collection type Constant temperature heating stirrer (Yuhau Co., Ltd.
Acknowledgements This work was supported by the National Natural Science Fundation of China (51062018, 51262031),the Natural Science Fundation of Yunnan (2010FXW004), Program for Innovative Research Team (in Science and Technology) in University of Yunnan Province (2011UYN09)，and Yunnan Provincial Innovation Team(2011HC008).
References [1]Zhang Xiaoli,Liu Shuzhi,Feng Hui.Chemical Industry and Engineering Progress. 2004,23(10): 1058-1061(in Chinese) [2]Peng Chenfeng,Tong Sanfu,Tang Yu,Zhang Yuanming.Petrochemical Technology. 2004,33(4): 303-306(in Chinese) [3]Xue Haixia,Li Junping,Xu Zhenqin,Wang feng.Journal of Fuel Chemistry and Technology. 2009,37(6):747-751(in Chinese) [4]Peng Shaohong,Huang Yunfeng, Zhong Bangke.Industrial Catalysis.2006,4:39-41(in Chinese) [5]Li Xun,Wu Daoxin,Xia Changbin,Li Lifeng.Fine Chemical Intermediates.2006,36(3):55-58 (in Chinese) [6] Wei Zhiping,Wang Shaojun,Qu Fengzuo.Fine Chemical Intermediates.2007,6:39-41(in Chinese)

In this paper, the selective laser sintering mechanism of sucrose powder materials were studied.
At present, SLS molding materials mainly metal materials, polymer materials, ceramics materials such as, but the SLS method currently used by most of the materials in the molding process has harmful gas emissions; the price is relatively expensive, resulting in higher production cost.
So far, according to the investigation at home and abroad, there is no use sucrose as a molding material by SLS, while sucrose compared with other materials, with a wide range of sources, the price cheaper, and in the process without pollution.
Journal of Manufacturing Technology Management.
Key Engineering Materials, 2007,329:613—618

Introduction In this last decade, Zinc oxide (ZnO) became the most promising II-VI semiconducting materials suitable for use in optoelectronic, as an alternative material to indium tin oxide (ITO).
Caglar, Determination of the thickness and optical constants of transparent indium-doped ZnO thin films by the envelope method, Materials Science-Poland, Vol. 25, No. 3, 2007
Patil, Synthesis of highly selective and sensitive Cu-doped ZnO thin film sensor for detection of H2S gas, Materials Science in Semiconductor Processing 71 (2017) 332-341
Hieronymus, X-Ray diffraction signatures of defects in nanocrystalline materials, JCPDS-International Centre for Diffraction Data 2000, Adv.
Morkoç, A comprehensive review of ZnO materials and devices, J.

Terahertz Wave Properties of Ceramic Photonic Crystals with Graded Structure Fabricated by Using Micro-stereolithography Soshu KIRIHARA 1,a, Toshiki NIKI 1,b , Masaru KANEKO 1,c 1 Joining and Welding Research Institute, Osaka University, Osaka, Japan a kirihara@jwri.osaka-u.ac.jp, b niki@jwri.osaka-u.ac.jp, c kaneko@ jwri.osaka-u.ac.jp Keywords: Photonic crystal, Dielectric Material, Terahertz Wave, Micro-stereolithography.
Acknowledgments This study was supported by Priority Assistance for the Formation of Worldwide Renowned Centers of Research - The Global COE Program (Project: Center of Excellence for Advanced Structural and Functional Materials Design) from the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan.
Soukoulis: Photonic Band Gap Materials (Kluwer Academic Publsher, Netherlands, 1996)
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The New Progress on Material Science and Engineering '2002 (1)-Proceedings of conference on materials in China’2002.
Materials Science and Engineering A Vol.348(2003), p67-75 [4] X.
Materials Chemistry and Physics Vol.96(2006),p9-15 [5] XIAO Xiao-ling.
Materials Letters Vol.61(2007), p4707–4710 [8] R.
Materials Science and Engineering A Vol.452–453(2007): 87–92 [10] Chua B.W., Lu L. , Lai M.O..

Typically filler materials include carbon black, calcium silicate, calcium carbonate and clay [1].
A wide variety of particulate fillers such as carbon black, silica and calcium carbonate are used intensively in the rubber/polymer industry to improve and modify the physical properties of polymer materials.
After a certain period of time, these polymeric materials are not serviceable and mostly discarded.
EXPERIMENTAL 2.1 Materials The materials and their characteristics used in this experiment are illustrated in Table 1.
Table 1: The characteristics of the materials Materials Description Source Styrene butadiene rubber (SBR) 1502 Bayer (M) Ltd Calcium Carbonate (CaCO3) Sun Mineral Sdn.

The relations between the parameters used in the model and the actual physical properties of the semiconductor materials are discussed.
The temperature of a small volume of the material eventually raises up to the melting point of the material [2]. 3.
Conclusions Our model describes the different angles of the experimentally observed damage pattern and connects their values to the heat transfer properties of the semiconductor materials.
Eliseev, Degradation of injection lasers, Journal of Luminescence, 7 (1973) 338-56
Elsaesser, Defect evolution during catastrophic optical damage of diode lasers, Semiconductor Science and Technology, 26 (2011) 075020

How to make full use of organic and inorganic sludge, sludge materials is a cost-effective use of resources approach.
The use of sludge materials generally can be attributed to the following: the system lightweight ceramic, made of molten material and the molten glass ceramics, production of cement and so on.
Most of the past with sludge incineration ash as raw materials to produce all kinds of building materials in recent years, in order to save investment (construction of incinerators), full use of the calorific value of the sludge itself, save energy, the direct use of sewage sludge as raw materials to produce all kinds of building materials technology has been developed [7].
High surface area materials prepared from sewage sludge-based precursors.
In Chinese [31] Dejian Zhang, Xianxun Wei, Guangming Zeng, ect Journal of Safety and Environment, 2003, 3(5)：44-46.

A windowed range migration imaging algorithm for ground penetrating radar applications Lei Wentai1,a, Shi Yujia1,b* 1School of Information Science and Engineering, Central South University, Yuelu District, Changsha, China 410083 2School of Information Science and Engineering, Central South University, Yuelu District, Changsha, China 410083 alei_wentai@163.com, b837942671@qq.com Keywords: Ground penetrating radar, Nondestructive testing, Range migration, Radar imaging Abstract.
This technique can be applied to many NDT occasions, such as material testing, municipal engineering, archaeology, mine detection, anti-terrorist and so on[1,2].
The results of simulation experiment show that the new algorithm improves the quality of imaging results and expands GPR’s ability in the material nondestructive evaluation field.
Acknowledgements This project was supported by National Natural Science Foundation of China (No. 61102139).
Harry: Ground Penetrating Radar Theory and Applications (Elsevier Science, The Netherlands 2009) [2] Nguyen Ngoc Tan, Sbartaï Zoubir-Mehdi, Lataste Jean-François, Breysse, Denys, Bos Frédéric: Construction and Building Materials Vol. 49 (2013), p. 240 [3] L.

A Digital Control for Swinging Arc Narrow Gap MAG Welding System Jie Zhu a, WeiQiong Xiong b, WeiHua Zhang c, WenHang Li d and JiaYou Wang e, * Jiangsu Provincial Key Laboratory of Advanced Welding Technology School of Materials Science and Engineering, Jiangsu University of Science and Technology, 2 Mengxi Road, Zhenjiang City, Jiangsu 212003, P.
Mitsuaki: Journal of the Japan Welding Society Vol. 68 (3) (1999), p. 41-59 [4] V.
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Fu, et al: Journal of Jiangsu University of Science and Technology (Natural Science Edition) Vol. 26 (5) (2012), p. 448-451