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Yang, X.
Tian, R.

Fluorescence Properties of Electrospun Bio-based Polyamide/ Eu(TTA)3phen Composite Fibers Xiao Yang, Bin Wang, Qingxiu Jia1a, Wanxue Tian College of Material Science and Engineering, Beijing Institute of Fashion Technology, Beijing 100029, China ajiaqingxiu@163.com Keywords: electrospinning; bio-based polyamide; rear earth; fluorescence Abstract.

Yang, H.
Tian, and H.
Yang, D.
Yang, H.
Yang, S.

Yang, Z.
Yang, L.
Tian, X.
Yang, C.
Yang, J.

Yang, X.
Tian, X.
Yang, Q.
Yang, L.
Yang, W.

Yang, Z.
Tian: Mater.
Yang, Q.
Yang, M.
Yang, B.

(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.

Yang, et al.
Tian.

Fatigue test research on welded rib-to-deck connections in steel orthotropic bridge deck Yanling Zhang a, Yang Tian b and Yunsheng LI c School of Civil Engineering, Shijiazhuang Tiedao University, Shijiazhuang 050043, P.R.

The analysis of product design research based on virtual reality technology Wei Tian Department of Mechanical and Electric Engineering Weifang University, Weifang,261061, China email: tianwei666_2000@163.com Keywords: virtual reality technology; product design; virtual exhibition Abstract.
[4] Xiangdong Yang, Industrial product design process and method, Higher education press, 2008