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Yang, X.
Tian, et al., Synthesis of small crystals zeolite NaY, Mater.

[8] Yan-qiu ZHANG, Yan-wu YANG, Jie ZHANG, et al.
(in Chinese) [9] Yan-qiu ZHANG and Ao-tian XU. in: Wastewater Biological Treatment and Reaction Dynamic, edited by China University of Mining And Technology Press, Xuzhou (2002), in press.

Profile Design of Modification Slotting Cutter The key of modification with slotting cutter is profile design of slotting cutter, since Walker made his famous modification curve, at home and abroad the scholars Li Rifang, Tian have made a lot of theoretical research and experimental analysis on the basis, have given a lot of modification curves, various modification curves can be written the general formula in the following: ( )nj kje e x l= , (1) where, ekj is the deformation of the two gears in the single tooth meshing point, l is the modification length, n is the index of modification curve, x is the coordinates of meshing line.
[2] He Feng mei,Liu Yuan lin,Yang Lanyu: The design and method of mending teeth of gear,Coal Mine Machinery, (2001) no.8, pp.31~33

Tian, T.F.
Yang, Q.R.

Tian, Q.
Yang, Y.

Acknowledgments We sincerely acknowledge Professor Wang Yu-tian at Institute of Semiconductors, Chinese Academy of Sciences, for all kind discussions about HRXRD data analysis.
[11]Tao Yang, Shigeo Goto, Masahiko Kawata, Masahiko Kawata, Kenji Uchida, Atsuko Niwa and Jun Gotoh, Jpn.J.Appl.Phys, 37(1998), L1105

Tian, The development status of steel bonded carbide[J].
Yang, D.

Tian,et al.
Yang.

Nucleic Acids Res.Vol.33 (2005), p.e184 [8] Cui DX, Tian FR, Kong Y, Titushikin I, Gao HJ.
Vol.53 (2007), p. 537-550 [14 ] Huang SH, Yang TC, Tsai MH, Tsai IS, Lu HC, Chuang PH, Wan L, Lin YJ, Lai CH, Lin CW.

[19] Nuttha Thongchul, Surapong Navankasattusas, Shang-Tian Yang.