Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation, hydrogenation, cyclization with an overall yield of 8.05 %.以苯甲酰氯为原料,经酰化, 还原, 环合等反应合成左旋西替利嗪盐酸盐,反应总收率为8.05%....
The invention relates to optical fiber fibril arraying device used to transmit light beam.传光束用光纤排丝装置,是对传光束用光纤自动排丝装置的改进.This utility model relates to a antiskid shoes.本实用新型涉及一种防滑鞋.This invention relates to a method for pr...
He was disturbed by the inaccuracy of the answers.很多答案都不准确，为此他感到很烦恼。You accused me of inaccuracy yet you can't spell "Middlesex".你说我不够准确，但你自己却不会拼写Middlesex。There is a slight inaccuracy in this blueprint.这张蓝图有点不准....
接着就发生了一场大混乱.The next moment there was a tremendous commotion.我觉得艾德莱在一片大混乱中仍然镇定自若.I had found Adlai unperturbed in the midst of pandemonium.当那场全面大混乱发生的时候,维特波恩还一直在旁观着.When the general stampede occurred Winterborne had also...
To make taunting , heckling, or jeering remarks.诘问者的嘲笑打断了她的讲话.The heckling drowned his speech.起哄叫声淹没了他的讲话.Didier Deschamps has blamed the fans for heckling Juventus and therefore affecting their performance against Trevi...
The drying shrinkage and self - shrinkage of concretes with different water to binder ratios were studied.实验研究了不同水胶比的混凝土干缩性能及自收缩性能.Alumina ceramic was formed after gelling and solidify using boehmite as a binder.探讨了利用拟薄水...
大量碳氢化合物如苯并芘也是诱变剂.A large number of hydrocarbons such as benzopyrene are also mutagenic.后来我才知道, 芭芘娃娃的头发全都被我从根部剪断了, 结果头发都掉光了.Later, I just know, BaBiWaWa hair roots from all my hair cut, the results are falling.建立了粮食中苯并芘残留...