Research of Production-Contract Management System
zhang jun-lan~1; chen pu~2 (1. school of computers and mathematical-physical science; 2. school of mechanical engineering and automation; xihua university; chengdu 610039 china)
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Study of Determining the Optimal Road Toll-ratio for Toll-highways
hu ji~1; pu zhi-yan~2 (1.college of traffic &transportation; southwest jiaotong university; chengdu 610031; 2.highway survey and design research institute of sichuan communications department; chengdu 610041 china)
Analysis of Water Environmental Capacity of Three Rivers in Chengdu
xiang yan~1; fu yong-sheng~1; qiu jin-jian~1; chen ya-ping~2 (1. college of environment science & engineering; southwest jiao tong university 610031; 2. sichuan environmental protection institute ; chengdu 610041 china)
Explanation of 《M10 methanol gasoline for motor vehicles》 Standard
zhou hua~1; huang hai-bo~2 (1.sichuan research center of clean auto engineering and technology; chengdu 610039; 2.school of transportation and auto motive engineering; xihua university; chengdu 610039 china)