缩醛的例句（缩醛在句子中的用法）

• The heptanal butyl mercaptan was synthesized with heptanal, sodium thiosulfate and 1 bromobutane as raw materials. 以正庚醛 、 硫代硫酸钠和溴代正丁烷为原料,合成了正庚醛正丁硫醇缩醛.
• Aim Enanthal diethyl acetal is prepared with heptaldehyde and triethyl orthoformate as raw materials. 目的研究以庚醛和原甲酸三乙酯为原料制备庚醛二乙缩醛的工艺条件.
• Dimethoxymethane possesses higher quantity of oxygen, higher ratio of hydrogen to carbon and lower flash point. 甲缩醛含氧量大 、 氢碳比高、闪点低,加入柴油中能够提高其十六烷值.
• This paper discussed three methods of producting vinyl etherspreparation from acetylene, dehydrohalogenation and acetals. 论述了乙烯基醚类化合物的三种主要制备方法乙炔法 、 脱卤化氢法和缩醛热分解法.
• Butyraldehyde glycol acetal was synthesized from butyraldehyde and glycol by using iodine as catalyst. 以单质碘为催化剂,通过丁醛和乙二醇反应合成了丁醛乙二醇缩醛.
• The hydroxyl groups can be changed into esters , ethers , acetals and ketals, etc. 最常用的羟基保护基可归纳为三类:酯类 、 醚类和缩醛或缩酮类.
• Eight acetals ( Ketals ) were synthesized under the optimal conditions. 在最佳条件下,合成了八个缩醛 ( 酮 ) 化合物.
• The yields of other cyclic acetals were between 62. 并在此条件下合成了多种环缩醛,收率62.
• 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.
• Butyraldehyde 1,2 propanediol acetal was synthesized by using stannous chloride as catalyst. 以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.
• Butyraldehyde 1,2 proparediol acetal was synthesized by using stannous chloride as catalyst. 以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.