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(Ecotourism Scenic Spot Management – Study on Li River EECC, 2005, Li Fengsheng) 5 Yang Qi (2003) Ecotope bearing capacity is determined on the basis of maintaining the original quality of local natural ecology, it includes two basic aspects: whether natural environment can fully eliminate the direct negative impact on the ecology due to tourism activities, and fully absorb and purify the pollutants which tourists generated. 6 Sun Daowei, Yu Muqing, Chen Tian (2002) EECC is defined as: number of tourists of which the tourism district can accommodate when ecotourism activities (including sightseeing, leisure, cognition, exploration, etc.) are carried out on a tourism region unit (e.g., tourism district, sightseeing district and tourist spot), under conditions that the tourists’ demands can be satisfied and impact on the natural ecological environment can be minimized, and even the ecological environment quality of tourism district can be protected and improved, and the local residents can
Yang Xiuping pointed out that EECC index system and calculation model shall be dynamically adjusted over time on the basis of analysis on fundamental EECC theory, and built a dynamic model for sustainable carrying capacity of tourism environment [3].
[3] Yang Xiuping, Weng Gangmin.
[5] Weng Gangmin, Zhao Liming, Yang Xiuping.
[7] Yang Linquan, Wen Zhengxiang.

[3] Yue Wang, Jun Yang, Zhao Anwang.
[6] Tian Xu.
[7] Chao Zhang, Gan Yang, Ji Hongdu.

ZHANG, We, Jian-xiu su, Kim H Y, abrasive Keppeler, jian-dong Yang done exploratory research of fixed abrasive chemical mechanical polishing[10-11].3M company firstly put forward to FA-CMP technology on account of the two posture in 1998,and put into use shallow groove CMP .
Materials Science Forum ,2007 (556/557):753~756 [4]YANG Jiandong,TIAN Chunling,etal.Nanoscale high-speed grinding technology[J].

Tian, M.T.
Yang.
Yang.

References [1] SUN Li-ming, LI Jian-zhong, CHEN Yu, Wireless Sensor Network, Tsinghua University Press, Beijing, 2005 [2] QU Lei, LIU Sheng-de, HU Xian-bing, ZigBee Technology & Application, BUAA Press, Bei jing .2007 [3] CAO Yi Tao, YANG Bo, Design of Intruding Target Detection System Based on Wireless Sensor Network, Application of Electronic Technique, 2010,pp.106-110
[4] YANG Yihua; WU Xiaoming; CEN Renjing Development of a Wearable Pulse Monitoring Module Based on Zigbee Technology, Chinese Journal of Sensors and Actuators, 2009, pp.1538-1541
　 [6] BAO Ya-ping, SHI Li-juan1,TIAN Feng,Design of Emporium Wireless Monitoring System Based on ZigBee and MSP430,Computer Engineering and Design,2010, 2458-2461.

Yang et al. studied the effect of spindle speed on surface roughness and micro-hardness, and asserted that the effect on the microstructure was negligible [9].
Yang, et al, Effects of high speed milling parameters on surface integrity of titanium alloy TC4.
Tian, et al., Effect of tool wear on residual stress in milling of titanium alloy TC17.

Yang, W.
Yang.
Tian, X.

An Error-reduction Mothod for Temporal Phase Unwrapping Based on Double Three-step Phase-shifting and Least-squares Fitting Liu Yong1, a, Huang Dingfa2, b and Jiang Yong 1,c 1 School of Computer Science and Technology, Southwest University of Science and Technology Mian Yang, China 2 School of Civil Engineering, Southwest Jiaotong University Cheng Du, China aliuyong@swust.edu.cn, bdfhuang@home.swjtu.edu.cn, crandomjy@126.com Keywords: phase-shifting interferometry; temporal phase unwrapping; heterodyne principle; least-squares fitting Abstract.
Yang, and H.
Tian, X.

Yang, J.B.
Tian, H.X.
Yang: Master Degree Thesis (Beijing University of Technology, Beijing, China, 2008)

[10] Mi, Wen, Tian, Jintao, Weiguo and Xiaoyun, Temperature dependent synthesis and optical properties of CdSe quantum dots Ceramics International Ceramics International 38 (2012) 5575-5583 [11] Yordanov, G.G., H.
[16] Yang, D., Q.
A Yang, M.