Development of laser beacon
ji chang-lu 1; zhang jia-yu 2 (1. department of biochemical engineering; anhui institute of mechanical and electrical engineering ; anhui wuhu 241000; china; 2. department of mechanical engineering; china textile university; shanghai 200051; china)
..............page:31-34
Optimal design of centrifugal pump impeller
wang you-ming 1; tang ling-feng 2 (1. department of mechanical engineering; anhui institute of mechanical and electrical engineering; anhui wuhu 241000; china; 2. electromechanic institute of xuancheng district; anhui wuhu 241000; china)
..............page:35-38