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GC/MS选择离子检测法鉴定茶叶中有机氯农药—DDT

2021-02-21 12:55:04热度:146°C

完成机构:北京市卫生防疫站

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SQL Error: select id,classid,MATCH(title) AGAINST('GC 0315 MS 49015281 52813275 32755551 55512876 28761866 18662308 23082888 28882208 22081872' IN BOOLEAN MODE) as jhc from ***_enewssearchall where (id<>208941) and MATCH(title) AGAINST('GC 0315 MS 49015281 52813275 32755551 55512876 28761866 18662308 23082888 28882208 22081872' IN BOOLEAN MODE) order by jhc desc,infotime desc limit 0, 6