huadrag
第3楼2007/04/20
接受批评啊,
那就换个东西玩吧,
EPA 521-nitrosamine-water-Saturn-CI
huadrag
第6楼2007/04/20
ESI-LC-MS-MS TECHNIQUES AND HPLC DIRECTLY COUPLED TO A MICROBIOLOGICAL
ASSAY FOR THE ANALYSIS OF TETRACYCLINES AND TYLOSIN IN
ENVIRONMENTAL SAMPLES
看看谁用得上咯,
tetracyclines