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Introduction Currently, there are mainly two approaches for fresh-keeping packaging technology of beef: one is based on packaging techniques, such as modified atmosphere packaging; the other is based on packaging materials, such as finding suitable materials with antibacterial properties [1].
Materials and Methods Materials Chitosan (Ch) (40-100 mesh, food grade), Ethanol anhydrous (purity≥99.5%), Tween-20, Nutrient agar, and Sodium chloride (purity≥99%) were purchased from Sangon Biotech (Shanghai) Co., Ltd.
Meat Science 78, 77–89
International Journal of Food Microbiology, 43(1e2), 73e79
Meat Science 1994; 38 (2), 243-254

Boyer, Titanium for Aerospace: Rationale and Applications, Advanced Performance Materials, 2(1995) 349-368 [4] D.F.
Gogia, High-temperature titanium alloys, Defence Science Journal, 55(2005) 149-173 [6] A.
Wei, The influence of Zr content on microstructure and precipitation of silicide in as-cast near α titanium alloys, Materials Characterization, 99(2015) 17-24 [8] Z.H.
Ye, Influence of Duplex Annealing on the Microstructure and Mechanical Properties of Ti62421S Titanium Alloy Plate, Materials Science Forum, 816(2015) 804-809 [11] T.
Materials science and engineering A, 2011, V528: 2370-2379

Enhancement of Sensor Response by Au Nanoparticles Doping on ZnO Tetrapod Sensor Chawalit Bhoomanee1, 2, a, Atcharawon Gardchareon1, 2, b, Niyom Hongsith2, 3, c, Supab Choopun1, 2, d, and Duangmanee Wongratanaphisan1, 2, e 1Applied Physics Research Laboratory, Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand 2Thailand Center of Excellence in Physics, CHE, Ratchathewi, Bangkok 10400, Thailand 3School of Science, University of Phayao, Phayao 56000, Thailand amangmumdamster@gmail.com, bgsalee@hotmail.com, chongsith@gmail.com, dsupab99@gmail.com, edwongrat@chiangmai.ac.th Keywords: Au nanoparticles, gas sensor, thermal oxidation, ZnO tetrapod Abstract Zinc oxide tetrapods (T-ZnO) were synthesized using thermal oxidation technique from Zn powders mixed with hydrogen per oxide (H2O2).
Introduction Zinc oxide (ZnO) is one of the promising metal oxide wide-band gap (3.37eV) semiconductors [1] that have been widely applied as gas sensing materials [1-7].
These metal catalysts were added as coating on the sensor surface by doping and/or by mixing with raw materials [7, 10-12].
Guo: Materials Research Bulletin.
Wongrataphisan: Chiang Mai Journal of Science, in press

Electromagnetic Identification Intelligent Vehicle System Design Yonggang Ji 1, a, Hanming Zheng 2,b and Yanpeng Zhang 2,c 1Dalian Institute of Science and Technology, Dalian,Liaoning , China 2 Dalian Jiaotong University, Dalian,Liaoning , China ajyg10@126.com, bzhenghanming198@sina.com , czhyp@djtu.edu.cn Keywords: microcontroller; electromagnetic identification; intelligent car; speed control Abstract.
Applied Mechanics and Materials,v 466-467, 1320-1324, 2012 [2] Ngai, E.W.T.  
Chow, D.Y.H, Intelligent Car Audio Design System for product planning,Expert Systems, v 16, n 1, p 19-32, February 1999 [3] Raimondi, Francesco M,An intelligent car driver for safe navigation with fuzzy obstacle avoidance,Lecture Notes in Computer Science v 5571 LNAI, p 336-343, 2009 [4] Lupu, V, Lupu, C,Real case study of a neuro-fuzzy intelligent car,SOFA 2007 - 2nd IEEE International Workshop on Soft Computing Applications Proceedings, p 109-116, 2007, 2nd IEEE International Workshop on Soft Computing Applications Proceedings, SOFA 2007 [5] Huang, Xiangdong, Xie, Chaolin, Xie, Yuecong,  Intelligent car styling technique and system based on a new aerodynamic-theoretical model, Chinese Journal of Mechanical Engineering (English Edition), v 15, n 2, p 110-115, June 2002 [6] Yang, Yang,Yan, Wenjun, Software Design of an intelligent car System based on μC/OS-II, 2006 Chinese Control Conference Proceedings, CCC 2006, p 1590-1594, 2007

MATERIALS AND METHODS 2.1 Preparation of sample The pedicel of Cucumis melo L. were purchased in bozhou,Anhui province,China and crushed into powders.
References [1] Hong JI, Cucurbitacin and its pharmacology research, Foreign Medical Sciences(TCM part). 18(1996) 13-14
LI，Y.R.JIN, M.Y.Gui, H.Q.Zhang,L.Q.Zhang, Preparation of antitumor compound—20(S)- protopanaxidiol by the method of alkali catalyzing degradation, Chemical Journal of Chinese Universities. 27(2006)478-481
[6] H.F.Shan, L.Tang, L.Li,W.G.Shan, Study on the extraction process of cucurbitacin B from Cucumis melo L, Food Science and Technology. 35(2010)219-221.

Fig. 3 Overhanging piezoelectric bimorph in the coordinate system According to the classical description of piezoelectricity[7], a piezoelectric material obeys the following equations (1st-form): S1=s11EX1+d31E3, (1) D3=d31X1+ε33XE3, Where subscripts 1, 2 and 3 represent the directions x,y and z; S and D denote strain and electric displacement; X and E are the independent variables for the stress and electric field; s,d andεare mechanical compliance, piezoelectric constant and dielectric constant.
Acknowledgment This material is based upon work funded by Zhejiang Provincial Natural Science Foundation of China under Grant No.
Z1110750, and supported by the program for Zhejiang Leading Team of Science and Technology Innovation 2009R50018.
Design of piezoelectric ceramics needle picker and its driving circuit.Journal of Dalian Institute of Light Industry.

Study on 5-axis Machining Key Technology of High-precision Aluminum Alloy Integral Impeller X.J.Wang 1, 2, a, S.L.Li3, b and C.Zhao3, c 1 School of Mechanical Electronic & Information Engineering, China University of Mining & Technology, Beijing 100083, China 2 College of Adult Education , Heilongjiang Institute of Science and Technology, Jixi 158100, China 3 College of Mechanical Engineering , Heilongjiang Institute of Science and Technology, Harbin 150027, China awxj2009@163.com,b lslkick@163.com,ccanzhao@sohu.com Keywords: Integral impeller, UG, 3-D modeling, Simulation Abstract.
[6] S.L.Chen,W.T.Wang: Journal of Materials Processing Technology,Vol.115(2001),pp.284-293.

Acknowledgement Supported by the National Natural Science Foundation of China (50775033) and by the Fundamental Research Funds for the Central Universities (9D10304, 9D10310) References [1] Xue shixin: Machine-made carpet.
(Textiles Industry Press, China 1991) [3] Meng zhuo, Sun Jingjing and zhou tingze etl: Key Engineering Materials, (2008), p.724-728 [4] Wu zhenshi: Textile Science Research, (1997), p.37-47 [5] Jiangang Zhang, Xiaoguang Wu and Li Zhu etal: 2009 International Conference on Measuring Technology and Mechatronics Automation, (2009), p.93-97 [6] J.I.
Dunlop: Journal of the Textile Institute, (1969), p. 8-13

In order to overcome the above shortcomings, a new method is proposed to identify pigs’ poses by wavelet moment and neural network in this paper. 1 Materials and Methods 1.1 Image edge detection based on ant colony algorithm The discreteness and parallelism of ant colony algorithm is very suitable for discrete digital images.
The provides a theoretical basis and technical support for pig’s gesture recognition and farm intelligent monitoring. 4 Acknowledgements This work was supported by the National Natural Science Foundation of China (Grant No. 31172243), the Doctoral Scientific Fund Project of the Ministry of Education of China (Grant No.20103227110007) and A Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions. 5 References [1]T.Leroy,E.Vranken,E.Struelens,B.Sonck,D.Berckmans.Computer vision based on recogniti- on of behavior phenotypes of laying hens[C].
[3]Liu yishu,Yang lihua, Sun qian.Journal of Image and Graphics.Vol 9,No.3 Mar.2004 [4]Chandan Singh,Ekta Walia,Rahul Upneja.
Accuratecalculation of Zernike moments.Informa- tion Sciences 233 (2013) 255–275 [5]Sattar F, Salomonsson G .The use of a filter bank and the Wigner-Ville distribution for time-frequency representation [J].IEEE Transactions on Signal Processing, 1999, 47(6) [6]Marcano-Cedeno,Quintanilla-Dominguez,Cortina-Januchs.Feature Selection Using Seq- uential Forward Selection and classification applying Artificial Metaplasticity Neural Network[C].36th Annual Conference of the IEEE Industrial Electronics Society, IECON 2010.

HUANG Shuang-Ping a*, WANG Xiao-Jia* a School of Pharmacy, Jiangxi Science and Technology Normal University, Jiangxi 330013, China Keywords: 6-bromo-2,3-dihydroxybenzaldehyde, salvianolic acid, synthesis Abstract: The key intermediate, 6-bromo-2, 3-dihydroxybenzaldehyde, of salvianolic acid A (1) was reported, which was synthesized from commercially available 2-hydroxy-3-methoxybenzaldehyde.
The bromide (3) was obtained via a Wittig reaction from the key intermediate (4), which could be got from the commercial available material 2-hydroxy-3-methoxybenzaldehyde (5).[4, 5] In this paper, we just report the synthesis of the key intermediate (4).
The starting material (5) underwent acetylation, bromation, and deprotection to give the desired intermediate (4).
KJLD12036, GJJ12591), Science Foundation of JiangXi Province (20132BAB205075), Training Program for excellent young scientist of JiangXi Province (No. [2013]138).
Journal of Asian Natural Products Research, 2008, 10, 391-396