The Improvement of Chuck Handle
lei yun-qing(department of mechanical and electrical engineering; foshan science and technical university; foshan 528000; china)
..............page:48-51
..............page:45-47,100
..............page:119-121
..............page:77-81,91
..............page:23-25,29
..............page:98-100
..............page:92-93,97
The Synthesis of 4-Chlorobenzaldehyde
fu ying; li jiao; liu yan-hua; zhang huai-yuan(the key laboratory of ecological environment related polymer materials of ministry of education corporated by local and province; key laboratory of polymer materials of gansu province; northwest normal university; lanzhou 730070; china)
..............page:52-54
..............page:125-128
..............page:55-57,61
..............page:101-103
..............page:104-106,114
..............page:122-124,128
..............page:115-118
..............page:111-114
..............page:107-110
..............page:1-4,13
..............page:66-70,76