硝酸酐 的英文怎麼說
中文拼音 [xiāosuāngān]
硝酸酐
英文
nitric anhydride-
In order to find replacer for metronidazole and drug selection. some diesters or esters of acids containing nitrogen with metronidazole were designed and synthesized, which have difference in water - solubility. metronidazole was reacted with the corresponding amino or imino multi - carboxylic acid compounds in the presence of acetic anhydride or thionyl chloride or dcc. the intermediate of nitrilotriacetic acid with ac
為尋找羥乙基甲硝唑的替代物,分別採用酸酐法酰氯法或dcc法,將氨基羧酸與羥乙基甲硝唑反應,得到5個親水性不同的單酯或二酯,用ms譜確證了次氨基三乙酸與乙酸酐反應的中間物,並對得到的酯的Experimental results show that that the best process conditions are following : the weight ratio of nitric acid and acetic anhydride is 5 : 1, the current intensity is 500 ma, voltage is 150v, the reaction time is 30 min, then, the graphite compounds are cleaned with water till the ph = 6 - 7 and dried at 60
實驗表明,硝酸:乙酸酐為1 5 、電流強度為500ma ,電壓為150v ,反應30分鐘后,水洗至中性後於60下烘乾,制得可膨脹石墨,經900高溫處理后,可獲得性能良好的膨脹石墨製品。
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