气相色谱法直接测定茶叶中的咖啡因和茶碱
2021-02-22 16:30:30热度:224°C
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SQL Error: select id,classid,MATCH(title) AGAINST('38884764 47644111 41113855 38552308 23085417 54172951 29511866 18662208 22081872 18725022 50225448 54482136 21363107 31072340 23405082 50822645 26451872 18722878' IN BOOLEAN MODE) as jhc from ***_enewssearchall where (id<>218874) and MATCH(title) AGAINST('38884764 47644111 41113855 38552308 23085417 54172951 29511866 18662208 22081872 18725022 50225448 54482136 21363107 31072340 23405082 50822645 26451872 18722878' IN BOOLEAN MODE) order by jhc desc,infotime desc limit 0, 10