Objective To establish solvent desorption gas chromatographic method for determination of Diisobutyl ketone in workplace.目的建立工作场所空气中二异丁基(甲)酮的溶剂解吸气相色谱测定方法.The diisobutyl dicarboxylate was prepared by using acid and isobut...
This is a glass manufactory.这是一家玻璃厂.On the 20 th October a contract was entered into with the manufactory of Goldspring.十月二十日,和高尔兹普林工厂签订了一份合同.Our goal: To be world - class earphone manufactory in coming 20 years.企业目标: 20...
Pear trees are grafted on quince rootstocks.梨树被嫁接到榅的根茎上。Such rootstocks or cultivars were reproduced true to type by vegetative propagation.这些钻木和品种,通过无性繁殖长成和亲本一样的类型.Apple orchards comprised mainly of standard trees on se...
He is a generous contributor.他是位慷慨的捐助者.They reported that clouds are an important and heretofore uninvestigated contributor to the climate.他们报告说，云是影响气候的一个重要因素，但迄今为止没有进行过研究。All this can lead to divisive family arguments t...
德雷克那一帮人对我的任命很不满。Drake and his cohorts were not pleased with my appointment.我们不想看上去像一帮奸商。We don't want to look like a bunch of cowboys.他遭到一帮小混混的袭击。He was attacked by a gang of youths....