dialkyl的意思？

This preparation uses dialkyl imidazole salt, alkyl pyridine salt or caprolactam and fatty acid as reactant.该方法使用带有二烷基咪唑盐 、 烷基吡啶盐或者己内酰胺和脂肪酸作为反应物.Thus the term dialkyl carbonate includes, for example, methyl ethyl carbona...

Diaryl nitroxides are even more stable than the dialkyl nitroxides.二芳基氮氧化物自由基比二烷基氮氧化物自由基还要稳定.The immediate products of this reaction are alkali - metal derivatives of dialkyl phenylmalonates.此反应得到的产物为二烷基苯基丙二酸酯的碱金属盐衍生物.Th...

dialkyl的音标：dialkyl的英式发音音标为：[daɪ'ælkɪl]dialkyl的美式发音音标为：[daɪ'ælkɪl]...

“正视图”的英语可以翻译为：[计] front elevation，front view ...

A member a traditionally nomadic people living principally in Kirghiz.吉尔吉斯人主要居住在吉尔吉斯的游牧传统民族的一员.The vowels of the Kirghiz language are peculiar in the Turkic languages.元音在突厥语族诸语言中非常重要,而柯尔克孜语的元音又具有显著的特征....

Into her nineties, her thinking remained acute and her character forceful.虽已年届九旬，她依然头脑敏锐，个性很强。These trends only got worse as we moved into the nineties.我们步入20世纪90年代时，这些潮流变得更糟了。By this time she was in her nineties and nee...

偏头痛的其他诱因还有电脑的视频显示器和灯管照明。Other causes of migraine are VDU screens and strip-lighting.对猫类过敏是哮喘病发作最常见的诱因之一。Allergy to cats is one of the commonest causes of asthma.研究所正在探究动脉损伤的诱因。The research institute is on the track of wh...

这里也是一样, 应当在冒号后加破折号.Here, too, the colon must be followed by a dash.破折号比连字符稍长点.The dash is longer than the hyphen.如果你写的是HTML格式的邮件,用破折号 、 星号和子弹号立出清单.Make lists with dashes, asterisks, or bullets if you use HTML email....

adj.坐骨的n.坐骨( ischium的名词复数 )...

fluorescyte的音标：fluorescyte的英式发音音标为：['flu:əresaɪt]fluorescyte的美式发音音标为：['fluəresaɪt]...

abolish的音标：abolish的英式发音音标为：[ə'bɒlɪʃ]abolish的美式发音音标为：[ə'bɑlɪʃ]...

Extra buses are put on during rush hours.高峰期间增开公共汽车.Many of our people ride the buses at rush hours.我们之中有许多人要在乘客最拥挤的时候搭乘公共汽车.A lot of cars passed through the turnpike at rush hours.许多车在交通高峰时通过了高速公路....

面粉袋...

provide的第三人称单数（三单）为：provides...

“副歌”的英语可以翻译为：efrain，chorus ...

13 men have been questioned in connection with the murder.有13名男子因谋杀案受到盘问。The minister denied there was a direct connection between the two issues.部长否认两者之间有直接的联系。Police arrested five young men in connection with one of th...

situation的音标：situation的英式发音音标为：[ˌsɪtʃu'eɪʃn]situation的美式发音音标为：[ˌsɪtʃu'eʃən]...

Use different colours of felt pen on your sketch to avoid confusion.用不同颜色的毡头笔画草图，以免搞混。The sketch should be a kind of rehearsal for the eventual painting.草图应该是最终绘画的某种演练。I always sketch with pen and paper.我总是用钢笔和纸画素描。...