ethyl的例句（ethyl在句子中的用法）

• ethyl hydrate 乙醇
• Outlined solvents like , butanone ethyl acetate, acetone, methylbenzene ethanol are quick drying solvents. 以上列举的溶剂中象醋酸乙酯、丁酮 、 丙酮 、 甲苯、乙醇都属快干溶剂.
• The contents of vanillin and ethyl maltol in food are determined by RP - HPLC in this paper. 采用 反相 高效液相色谱法同时测定食品中香兰素、乙基麦芽酚.
• This paper introduces the structures, Properties and applications in meat products of maltol and ethyl maltol. 介绍了麦芽酚及乙基麦芽酚的结构和性质,及它们在肉类加工中的应用.
• AIM To study the antioxidant activity of 2 - ethyl - 3 - hydroxy - 6 - phenylthio - 4 ( 1 H ) - pyridone ( HPP ). 目的　研究2乙基3 羟基 6苯硫基4 ( 1H ) 吡啶酮 ( HPP ) 的抗氧化作用.
• The distribution coefficient D indicated: Ethyl acetate was the most suitable extractant for CGA s purification. 萃取分配系数D测定结果表明,醋酸乙酯是纯化绿原酸的适用溶剂.
• Ingredients: water, purple clover extract, HA, acrylic polymer, hydrolyzed silk ethyl ester, feverwort extract, euphrasy etc. 成份: 水, 紫苜蓿提取物 、 透明质酸, 丙烯酸共聚物, 水解蚕丝乙酯 、 紫苞泽兰提取物 、 小米草等.
• These peaks correspond to side - chain cleavage of the ethyl and propyl groups respectively. 这些峰分别相当于乙基和丙基的侧链开裂.
• Sodium N - ( α - phenoxy ) - tetradecanoyltaurate ( SPTT ) was synthesized through Williamson etherification, hydrolysis, and acylation, using ethyl 2 - bromomyristate, phenol and taurine as the starting materials. 以α - 溴代十四酸乙酯 、 苯酚、牛磺酸为原料,经William son 醚化, 水解, 催化酰化等反应制备了一种芳氧基作疏水基团支链的牛磺酸盐类表面活性剂, 即N - ( α - 苯氧基 ) 十四酰牛磺酸钠(SPTT ).
• Thus the term dialkyl carbonate includes, for example, methyl ethyl carbonate. 因此术语二烷基碳酸酯包括, 例如甲基乙基碳酸酯.
• Conclusion: The natural Harvest clarifier can substitute ethyl alcohol in the procedure of removing the impurity. 结论: 澄清剂法可代替乙醇法用以除杂质.
• Methyl cis - cinnamate was synthesized from ethyl trans - cinnamate by bromination, dehydrobromination, esterification and catalytic hydrogenation. 反式肉桂酸乙酯经溴化 、 脱溴化氢 、 甲酯化和催化氢化合成了顺 式 肉桂酸甲醇.
• In this paper , we describe a rapid and clean method to synthesize ( ethyl ) maltol carboxylates. 描述了一种快速、绿色合成 ( 乙基 ) 麦芽酚酯香料化合物的方法.
• Ethyl lactate was synthesized with sodium bisulfate. 采用硫酸氢钠为催化剂合成乳酸乙酯.
• The products were analyzed simultaneously using ethyl benzoate ( EB ) as internal standard. 以苯甲酸乙 酯 为内标物,一次性同时分析了塔釜产物中各组分含量.
• The propanedinitrile is synthesised from ethyl cyanoacetate by amination and elimination reaction. 由氰乙酸乙酯与氨反应生成氰乙酰胺,再经过消除反应制得丙二腈.
• Fructone was synthesized from ethyl acetoacetate and glycol using activated carbon supported phosphotungstic acid as catalyst. 以活性炭负载磷钨酸为催化剂合成了苹果酯,确定了反应的最优条件.
• Nefedipine was synthesized with m - Nitrobenzaldehyde, ethyl acetoacetate ammonium acetate. 以间硝基苯甲醛, 乙酰乙酸乙酯,氨化试剂为原料.
• In benzene or ethyl acetate solution rates increase linearly with methyl methacrylate concentration. 在苯或乙酸乙酯溶液中其衰减速度随甲基丙烯酸甲脂浓度呈直线地增大.
• Ethyl acetate ( 71 . 41 b ) was added to the slurry in the vessel. 把醋酸乙酯 71.4 磅加到容器中的浆液内.