胺硝草 的英文怎麼說
中文拼音 [ànxiāocǎo]
胺硝草
英文
pendimethalin-
Studies on isolation, identification and characteristics of reducing tsna contents of burley tobacco endophytic bacteria
一株降低煙草中特有亞硝胺細菌的分離鑒定及特性研究Flumiclora - pentyl was prepared from p - fluorophenol as starting material via several steps such as chlorination, nitrification, reduction and condensation. the yield of the product was 50 %, and the purity was higher than 97 %
摘要以對氟苯酚為原料,首先與氯氣發生反應,生成2 -氟4 -氯苯酚,再經過硝化、還原、縮合等幾步反應得到氟胺草酯,反應總收率達到50 % ,產品純度大於97 % 。Recent advances in research of tsnas and their precursors
煙草特有亞硝胺及其前體物研究進展" you don t find nnal in urine except in people who are exposed to tobacco smoke, whether they re adults, children or infants, " hecht said
Nnal是人體處理nnk煙草中特有的亞硝胺,具有很強的致癌作用時產生的代謝產物。" you do n ' t find nnal in urine except in people who are exposed to tobacco smoke, whether they ' re adults, children or infants, " hecht said
Nnal是人體處理nnk煙草中特有的亞硝胺,具有很強的致癌作用時產生的代謝產物。This paper discusses methods of synthesizing fomesafen technical having high active ingredient percentages, with special emphasis on the key processes of nitration and acylation, and with the goal of manufacturing low cost fomesafen technical with > 98 % purity
摘要討論了高含量氟磺胺草醚原藥的合成方法,對關鍵的硝化與酰化工藝進行了探討,使其在較低生產成本下合成98 %以上的氟磺胺草醚原藥。Many constituents are mutagens and carcinogenic such as alkenes, nitrosamines, polynuclear aromatic and heterocyclic hydrocarbons, amines
煙草的很多成分都會引起有機體突變以及致癌,如烯烴化合物,亞硝胺,多核芳香烴以及多環碳氫化合物和銨分享友人