isorotenone怎么读

To optimize the process of prepartion isorotenone from rotenone by using Lewis acid AlCl 3 as catalyst.为了优化鱼藤酮异构化制备异鱼藤酮的工艺.采用三氯化铝催化下异构化....

n.异鱼藤酮...

For the Shetland Islands, see inset.关于设得兰群岛，见小地图。A few earthworms have been reported from the South Shetland Islands in Antarctica.少数蚯蚓曾发现于南极洲的南塞得兰岛....

“化石”的拼音为：huà shí...

n.（喝彩声、叫好声）好哇！干得好！( bravo的名词复数 )，（受雇于人的）杀手，刺客，亡命徒...

“旅途”的英语可以翻译为：journey，trip ...

n.假日，休息日，节日vi.度假，休假...

These numerical equalities would not exist if any ordinary engine cycle were reversed.如果将任一普通热机的循环方向反向,那么以上这些相等数量是不存在的....

n.调情，调戏，挑逗...

“跛行地”的英语可以翻译为：limpingly，limply ...

v.照亮，照明( illumine的过去式和过去分词 )，启发，粲...

“足跟”的英语可以翻译为：heel ...

broadcast的现在进行时为：broadcasting...

culminating的音标：culminating的英式发音音标为：[kʌl'mɪneɪtɪŋ]culminating的美式发音音标为：[kʌl'mɪneɪtɪŋ]...

matriculated的音标：...

氢是锌和硫酸反应的生成物.Hydrogen is a product of the reaction between zinc and sulphuric acid.较高的工作电压引起碳生成物的分离.The higher operating voltage causes a breakdown of carbon products.根据不同的反应条件,深入研究并建立及推广了生成物浓度数学模型.By experiment examinat...