与氰氢酸的加成是碱催化的.The addition reaction with hydrogen cyanide is base - catalysed.在国内开辟了多氢酸应用的新篇章,多氢酸在国内油田将拥有广阔的应用前景.The application of the acid in China oil fields has a wonderful prospect....
Prokaryotes lack organelles such as nucleoli, mitochondria, plastids , Golgi apparatus, and do not exhibit cyclosis.原核生物无细胞器,如核仁 、 线粒体 、 质体 、 高尔基体等, 不出现胞质环流....
I'd appreciate some feedback on my work.如果有人对我的工作提出意见我将感激不尽。The process is essentially dynamic with ideas and feedback flowing both ways.这个过程本质上是动态的,有各种建议与反馈的双向交流.The more feedback we get from viewers, the better.从观...
He's out and away the cleverest boy in our class.他绝对是我们班上最聪明的学生.The cleverest housewife can't cook a meal without rice.巧妇难为无米之炊.According to my friends I am the coolest, thinnest, cleverest, funniest journalist...