Research on Forging Process of Brass
xiao gang (zhongnan industry college changsha 410000) zhu zhongqi (tongling non-ferrous metal corporation tonling 244000)
HFC Technology and Transmission Model
wu guozhong liang qiangjun wang zhihong (anhui university hefei 230039) chang wenjuan zhu junhong (hefei polytechnic university hefei 230009)
..............page:41-44
Preparation of Ethyl Sorbate
huang xiaohua (anhui institute of mechanical and electrical engineering wuhu 241000) hu yiming wnag xiuran (anhui normal university organic chemistry research institute wuhu 241000)