控制缩合反应的温度,还得到一种苯并环庚酮和一种苯并环戊烷.One benzosuberone and one benzocyclopentane are synthesized when controlling the condensation reaction temperature.应用3, 5-二烯庚酮-2和 次氯酸钠 反应制备山梨酸.In this paper , we used 3, 5 - Heptadienone and ...
Poor wetting would produce voids at the interface.浸润不良会在界面上产生孔隙.Tank Linings and pipe Coatings: Ballast and potable water tanks; Bilges, wet voids and drainage pipes.储罐衬里和管道用涂料: 压载水舱和饮水舱; 舱底 、 湿空舱和排水管.Small voids and ope...
No stigma attaches to [ rests on ] the girl.这个姑娘清白 无瑕.There is a strong argument for remaining an unmarried mother. There's no stigma attached any more...有强有力的理由来支持未婚妈妈。这再也不是什么丢脸的事了。Some stigma stones will have the ...
Objective : To prepare L ü di auristilla and establish a method for its quality control.目的: 制备氯地滴耳液并建立其质量控制方法.Methods: The contents of levofloxacin and tinidazole in auristilla were determined by dual wavelength spectrop...