bisulfate是什么意思

Objective To study the catalytic activity of potassium bisulfate in synthesizing hexyl hexanoate.目的研究硫酸氢钾在合成己酸己酯工艺中的催化性能.Isoamyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸氢钾为催化剂,正丁酸和异戊醇为原料合...

bisulfate的音标：bisulfate的英式发音音标为：[baɪsəl'feɪt]bisulfate的美式发音音标为：[baɪsəl'feɪt]...

Benzyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸氢钾为催化剂,丁酸和苄醇为原料合成丁酸苄酯.Isoamyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸氢钾为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.Ethyl lact...

“一大群”的拼音为：yī dà qún...

桔梗科...

n.天资，天分，眼光，鉴别力...

在乙腈、聚乙二醇存在下, 用苯甲醚与硝酸铈铵反应合成了邻硝基苯甲醚.In the presence of ethanonitrile and glycol, anisole reacts with ammonium ceric nitrate to form o - nitroanisole.研究了五氯化钼参与的苯甲醚和叔丁醇在正己烷溶剂中的烷基化反应,结果显示出很高的对位选择性.The alkylation of anisole wi...

麦胶，淀粉胶...

“突出”的英语可以翻译为：protruding，projecting，outstanding，prominent，extrude ...

He argued that the only honorable course of action was death.他认为唯一体面的行为就只有一死。His aim is honorable and praiseworthy.他的目的是高尚的,值得称赞的.Not all men are as honorable or hold to the same standards as Sam.不是所有的人都像萨姆那样品德如此高尚，抑或恪守同...

n.高坛...

larboard的音标：larboard的英式发音音标为：['lɑ:bəd]larboard的美式发音音标为：['lɑˌbəd]...

“淫猥”的英语可以翻译为：obscene，filth ...

As the rubber droplets lose the acetone solvent, they become tacky and agglomerate.当橡胶滴失去丙酮溶液后, 变成粘的,聚集态的.After some initial problems, acetone was successfully produced in quantity...解决了最初的一些问题之后，终于成功地制造出了大量丙酮。Outlined s...

111票赞成，25票反对，表决通过。The vote passed with 111 in favour and 25 against.他赞成增加每天的课时并延长学年。He favors extending the school day and school year.一片赞成声在乌克兰议会中回响。A roar of approval resounded through the Ukrainian parliament....

vt.& vi.相遇，相识，开会，接触（某物）vt.满足，支付，迎接，经历（常指不愉快的事）n.运动会，体育比赛，猎狐运动（尤其英式英语）adj.适当的，合适的，恰当的...

ethinyloestradiol的音标：ethinyloestradiol的英式发音音标为：[eθɪnɪləʊst'reɪdaɪəl]ethinyloestradiol的美式发音音标为：[eθɪnɪloʊst'reɪdaɪəl]...

激光散斑干涉法是近代光学的一项新技术.Laser speckle interferometry is a new technique in latter - day optics.雨刷槽开关和光学的角制的开关 ( 多功能开关 )WIPER STALK SWITCH AND OPTICAL HORN SWITCH ( MULTI - FUNCTION SWITCH )扫描近场光学显微镜突破了传统远场光学的 衍射 极限,能够获得超高光学分辨...