Chlorinated pesticide in green tea绿茶中的氯化农药
Chlorinated pesticide in green tea;绿茶中的氯化农药;
Estrone and Estriol埃斯特龙和埃斯特罗尔
Estrone and Estriol;埃斯特龙和埃斯特罗尔;
Acetaldehyde -2,4- dinitrophenylhydrazone乙醛-2,4-二硝基苯基肼
Acetaldehyde -2,4- dinitrophenylhydrazone;乙醛-2,4-二硝基苯基肼;
KC-500 Standard samplesKC-500标准样品
KC-500 Standard samples;KC-500标准样品;
Trihalomethane standard mixed sample (1)三氟甲烷标准混合样品(1)
Trihalomethane standard mixed sample (1);三氟甲烷标准混合样品(1);
Organic phosphorus system pesticides (3)有机磷系统农药(3)
Organic phosphorus system pesticides (3);有机磷系统农药(3);
Trihalomethane under drainage在排水道中的三卤甲烷
Trihalomethane under drainage;在排水道中的三卤甲烷;
Trihalomethane standard mixed sample (2)三氟甲烷标准混合样品(2)
Trihalomethane standard mixed sample (2);三氟甲烷标准混合样品(2);
Gas (O2, N2, CO, Methan, Ethan, CO2, Ethylene)气体(O2、N2、CO、甲烷、伊桑、二氧化碳、乙烯)
Gas (O2, N2, CO, Methan, Ethan, CO2, Ethylene);气体(O2、N2、CO、甲烷、伊桑、二氧化碳、乙烯);
Xylenol isomer木酚异构体
Xylenol isomer;木酚异构体;