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Research on a Helical Drill Point Grinding Machine ZOU Ping a, YANG Xuleib, XU Jinzhongc ，TIAN Wenyuan d and HU Minge School of Mechanical Engineering & Automation, Northeastern University, Shenyang 110004, Liaoning, P..R..China a pzou@me.neu.edu.cn, bxlyang@me.neu.edu.cn, cxujinzhong256@163.com d wytian@me.neu.edu.cn, eminghu@me.neu.edu.cn Keywords: Drill point grinding, helical drill point, grinder.

Design of household heat metering management system based on cloud computing Tian, Jing1,a，Xiao-guo,Liu2,b， 1Information Technology Branch Institute, Changchun Vocational Institute of Technology, Changchun, 130033, China 2 Jilin Agricultural University, Changchun, 130118, China aemail: wjsky@163.com, bemail: liuxiaoguo@jlau.edu.cn Key words: Cloud computing; Heat management system; GPRS; Automatic meter reading; Cloud Software Abstract.
[2] Yang Xiaoqiang, Deng Yuejin.

Heat Conduction Analysis on the Evaporator in Gravity Heat Pipe of Heavy Oil Wellbore Li Wei1 Tian Xinyuan2 1.
References [1] Ma Tongze,Hou Zengqi,Wu Wenxian.Heatpipe.Beijing:science publishing company.1983:4-8 [2] Yang Shiming,Tao Wenquan.Heat transmission science .Beijing:Higher education publishing company.1998:331-335 [3] El-Genk M S, Saber H H.

Yang and C.H.
Yang, T.
Yang, X.C.
Yang, X.L.
Tian: J.

S.Q.Yang,Taiyuan University of Technology China Prof.
Yang, Beijing 303 Research Institute China Prof.
S.C.Yang,Taiyuan University of Technology China Academic Committee Members of ICSFT Prof.
Tian, Singapore Institute of Manufacturing Technology，Singapore Prof.
Yang, Taiyuan University of Technology China Prof.

Yang hongwei and Gao Ge [3] also discovered that a drag reduction of 12% could be achieved if the dimples arrayed in rhombic reticular structure.
Vol. 31 (1993), p. 1753 [3] Yang H W and Gao G: Acta Aeronautica Et Astronautica Sinica Vol. 18 (1997), p. 455 (In Chinese) [4] Xu Zhong, Zhao Jun, Wu Zhenghua and Shi Huirong: Aviation Precision Manufacturing Technology Vol. 45 (2009), p. 33 (In Chinese) [5] Zhang Chengchun, Ren Luquan, Liu Qingping, Feng Jiabo and Qin Yongming: Acta Aerodynamica Sinica Vol. 16 (2008), p. 79 (In Chinese) [6] L.Y.
Tian, Z.
Yang: Chin.
Yang and W.

Tian, T.
Yang, J.
Yang, N.
Yang, X.
Yang, J.

Yang, H.
Yang, X.
Tian, C.
Yang, G.Qin, W.
Yang, D.

.; Yang, Y.; Wang, Y.; Wang, Z., Journal of Colloid and Interface Science 2021, 588, 122-137
[9] Liang, M.; Li, X.; Jiang, L.; Ran, P.; Wang, H.; Chen, X.; Xu, C.; Tian, M.; Wang, S.; Zhang, J., Applied Catalysis B: Environmental 2020, 277, 119231
[13] Yang, C.; Chen, S.; Su, H.; Zhang, H.; Tang, J.; Guo, C.; Song, F.; Zhang, W.; Gu, J.; Liu, Q., Frontiers of Materials Science 2019, 13 (2), 126-132
[14] Chen, S.; Yang, C.; Wu, L.; Su, H.; Zhu, Y.; Li, G.; Song, F.; Zhang, W.; Gu, J.; Liu, Q., Journal of the American Ceramic Society 2019
[15] Guan, Y.; Su, H.; Yang, C.; Wu, L.; Chen, S.; Gu, J.; Zhang, W.; Zhang, D., Sci Rep 2018, 8 (1), 9261

Combined with the principal component analysis, Ronggen Yang and Mingwu Ren gives a new denoising method, and they show that this method is appropriate to multivariate signal denoising [10].
For instance, based on the wavelet analysis of vibration signals, Yang Shu-lian et al. developed a neural network based diagnostic framework for gearbox [17].
[10] Ronggen Yang and Mingwu Ren: Wavelet denoising using principal component analysis.
Tian: Gear fault diagnosis of wind turbine generator system based on lifting wavelet-zooming envelope analysis, 2011 2nd international conference on mechanic automation and control engineering, 2011,p.1332-1335
[17] S Shulian Yang , Wenhai Li and Canlin Wang: The intelligent fault diagnosis of wind turbine gearbox based on artificial neural network.