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[3] Haiyan You, Shucai Yang, Caixu Yue, Xuefeng Wu, Yang Xie.
[10] M.Y.Wu, Y.Tian, Y.

Yang b and X.S.
after thermal error compensation ( mµ ) Teeth space error Cumulative pitch error Comparison results Left flank Right flank Left flank Right flank Before compensation 34.3 24.4 87.6 90.3 After compensation 14.9 7.7 34.5 21.7 Compensation efficiency 56.6% 68.4% 60.6% 75.9% Accuracy before compensation 8 7 8 9 Accuracy after compensation 6 4 6 5 Improvement of precision grade 2 3 2 4 References [1] Kim, Kyung-Don, Chung, Sung-Chong: International Journal of Production Research Vol. 42 (2004), p. 1167~1187 [2] Postlethwaite, S.R., Allen, J.P., Ford, D.G.: Journal of Engineering Manufacture Vol. 212 (1998), p. 671~679 [3] TAO Xiaojie, WANG Yesen: Journal of Mechanical Transmission Vol. 29 (2005), p. 54~55 [4] Yagishita, H., Lizuka, T.: American Society of Mechanical Engineers, Design Engineering Division (Publication) DE Vol. 43 (1992), p. 81~87 [5] Jun Ni: Journal of Manufacturing Science and Engineering Vol. 119 (1997), p. 717~725 [6] Hong Yang
, Jun Ni: Journal of Manufacturing Science and Engineering Vol. 125 (2003), p. 245~254 [7] Tian Pengfei: Manufacturing Technology & Machine Tool, 6 (1995), p. 39~40 [8] Haralick RM, Shapiro LG: CVGP Vol. 29 (1985), p. 100~101 [9] Lee T W et al: Neural Computation Vol. 11 (1999), p. 409~433

Synthesis, Characterization, Room Temperature Fluorescence and Phosphorescence Properties of Complex Gd(C5H8NO3)2(C3H5N2)2Cl3•3H2O Wang Yan 1, a, Tian Dating 1, b, Yang Yixin2, c 1School of Chemical and Environmental Engineering, Hubei University for Nationalities, Enshi 445000, China 2College of Chemistry and Materials Science, Northwest University, Xi’an 710069, China awangyan@wipm.ac.cn, btiandating@gmail.com, cshalott@163.com Keywords: Gd (Ⅲ) compound; Fluorescence; Up- conversion fluorescence; Room temperature phosphorescence.
[3] Yang Liu, Qianming Wang, Yuanqing Xiang, et, al.
[7] Yixin Yang ,Yan Wang, Tianchen Zhao, et, al.

Difficulties and Solutions on Tight Sandstone Reservoir Hydraulic Fracture in Yanji Basin Xueliang Bi 1, a, Sheng Hou 1,b and Wei Li 1,c Yang Zhang1,d Shuming Du1,e 1 Petroleum Engineering Department, Northeast Petroleum University, Daqing, Heilongjiang, China abixl@163.com, bhoustlx@163.com, cour.126@126.com,dzhangyang053@163.com, edsm_00@126.com Keywords: Yanji Basin; hydraulic fracture; tight sandstone; density testing; mechanic parameter testing.
Acknowledgements The National Natural Science Foundation of China. (50974029) The national key basic research development program. (2010CB226703） References [1] Li Zong-tian, Li Feng-xia, Huang Zhi-wen, in: Petroleum Geology and Recovery Efficiency, 2010, 17(5):76-79.
[5] YANG Xiao-ning, WANG Guo-lin, ZHANG Li-juan, et al, in: Xinjiang Petroleum Geology, 2003, 24 (3):218-220.

Assembly Sequence Planning for Aircraft component based on Improved Clashes Matrix Liuying Yang, Gang Zhao, Binbin Wu, Guangrong Yan School of Mechanical Engineering and Automation,Beihang University, Beijing 100191, China cecily_1020@hotmail.com, zhaog@buaa.edu.cn, wubinbinxgd@163.com, ygr@caxa.com Key words: assembly sequence planning; improved interference matrix; genetic algorithm; assembly direction; assembly feasibility Abstract.
References [1] YANG Peng, LIU Ji-hong, GUAN Qiang.
[5] CHEN Tian-fan, TANG Wen-cheng.

Optical Properties of Chromophores with Different Six-membered N-heterocyclic Aromatic Ring Haitao Peng1, a, Yuezhi Cui1,2, b, Tao Zhang1, Yang Zhang1, Haixing Guan1 1School of Chemical Engineering, Shandong Institute of Light Industry, Jinan 250353, China 2Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Normal University, Jinan 250014, China apht2006@163.com, byuezhicui@163.com Keywords: intramolecular charge transfer, optical property, N-heterocyclic aromatic ring Abstract.
Tian, Z.S.
Yang, T.M.

Research on the environmental geochemistry characteristics of heavy metals in contaminated industrial fields Hou Wei1, Yang Yongwei1, Wu Dan1*, Li Shuxian2, Wang He3, Ji Lan2 1College of Environmental Science, Liaoning University, Shenyang 110036, China 2Shenyang Academy of Environmental Sciences, Shenyang 110016, China 3Liaoning Academy of Environmental Sciences, Shenyang 110161, China *corresponding author: lnuwudan@126.com Key words：Heavy metal pollution; Contaminated industrial fields; Ecological assessment Abstract： Using the single factor index method and comprehensive pollution index method, the heavy metal pollution situations of 60 points (128 field samples) from a coke-gas factory which is located in the north of China were evaluated, as well as the site sources of pollution were analyzed.
Acknowledgments: This research is supported by NSFC (Natural Science Foundation of China (31100349) References [1] GENG Ting-ting，ZHANG Mim，CAI Wu-tian.
[5] PENG Xiao-tong, ZHOU Huai-yang, WENG Huan-xin, PAN Jian-ming, HU Chuan-yu.

Study on the Influence of Stone Dust on Adaptability of Polycarboxylate Superplasticizer and Cement Yuchuan Jiang1,2,a, Yang Wang2, Da Huo1, Jine Xu2,b, Haochun Yan2 1College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China 2 China Building Material & Certification Group Co.
Tian, Z.H.
Yang, Research on compatibility of fly ash with cementitious system and high-efficiency water-reducing agent, Coal Ash China, March, 2006, 3-5

Synthesis and Crystal Structure of Bis(L-α-N-(2-Pyridylmethy)phenylalaninato-N, N', O)-Zinc(II) Trihydrate Qi You, Yu Cui, Guo-Xin Sun, Yu-Lan Yang College of Chemistry and Chemical Engineering, University of Jinan, China Keywords: zinc complex, amino acid, conformation Abstract.
Tian, Y.

[11] XU Xuan, YANG Zheng-ming, LIU Xue-wei, ZHANG Ya-pu, TIAN Shan-shan, XU Ting.