基本解釋直接氯化英漢例句雙語例句In the process of synthesis of 2-chloronieotinic acid, the key step is the chlorination of niacinamide-N-oxide whose yield has a direct effect on the yield and quality of 2-chloronicotinic acid.在郃成2-氯菸酸的工藝路線中,最關(guān)鍵的一個環(huán)節(jié)就是菸醯胺-N-氧化物的氯化反應(yīng)過程,該過程直接影響2 -氯菸酸産品的收率和質(zhì)量。direct chlorination更多例句詞組短語短語ethylene direct substitution chlorination 乙烯直接取代氯化direct chlorination更多詞組專業(yè)釋義化學直接氯化能源科學技術(shù)直接氯化