乙醛的例句（乙醛在句子中的用法）

• Polyacetadehyde may exist in atactic, syndiotactic and isotactic forms. 聚乙醛它和聚烯烃一样,可以以无规, 间同和全同形式存在.
• Polyacetaldehyde may exist in atactic, syndiotactic and isotactic forms. 聚乙醛可以以无规, 间同和全同形式存在.
• Glyoxal is prepared with waste liquid propellant HNO 3 - 27 S and ethanal. 利用报废的液体推进剂硝酸-27S和乙醛制备乙二醛.
• Glyoxylic acid was rapidly synthesized by catalytic oxidation of glyoxal with H 2 O 2. 在催化剂存在下,用双氧水氧化乙二醛溶液快速合成了乙醛酸.
• Glycolate oxidase catalyzes the oxidation of glycolate to glyoxylate. 乙醇酸氧化酶能高效催化乙醇酸氧化生成一种重要的有机化工中间体乙醛酸.
• Glyoxysomes are particularly well known in germinating fatly seeds. 人们已经知道,萌发的含油种子中有乙醛酸循环体.
• Using benzene as internal standard, the calibration factors of derivative of aldehydes 2,4 - dinitrophenylhydrazine ( DNPH ) were measured. 将醛类物质与2, 4- 二硝基苯肼 ( DNPH ) 的衍生反应液直接进样,以苯为内标物,测定了甲醛 、 乙醛等醛类物质DNPH衍生物的校正因子.
• Condensation of phenol and chloral over HY zeolite catalysts was studied in detail. 以三氯乙醛为亲电试剂,在HY沸石催化剂上实现了苯酚和三氯乙醛的二次缩合反应.
• Chloral is a colorless, volatile liquid with a very penetrating odor and boiling at 97.7℃. 三氯乙醛是无色挥发性的液体,带有刺激性很强的气味,在97.7℃沸腾.
• Cankered material can produce effluvial carcinogen aldehyde . 2. 腐烂的物质可以产生恶臭的致癌物质乙醛.
• Alcohol dehydrogenase An enzyme that converts ethanol into acetaldehyde ( ethanal ). 醇脱氢酶:把乙醇转化为 乙醛 的酶.
• The corresponding reaction of acetaldehyde is subject to general base catalysis. 乙醛相应的反应服从广义的碱催化.
• The necessary material of 2 - ( 2 - methoethyl ) acetaldehyde diethyl acetal was synthesized in addition. 另外还合成了必需原料 2- ( 2- 甲氧基乙氧基 ) 乙醛二乙醇缩醛.
• During alcoholic fermentation acetaldehyde acts as a hydrogen acceptor instead of oxygen. 在这个过程中乙醛取代了氧作为氢的受体.