into the NMR without access of air [...] bruker.com bruker.com 这意味着在注入混合物后,分离的化合物将转移到NMR,不需要接触空气或光,也不需要对样品进行任何手动处理。 bruker.com bruker.com [...] behind closed doors within prisoncompounds,without legal representation, without the presence or know...
a全罩式安全罩 正在翻译,请等待...[translate] aeffluent the same reactive system was used with a total 流出物同一个易反应的系统使用了以共计[translate] atreated in this work is a mixture of compounds of different 在这工作被对待化合物混合物不同[translate]...
An object of the present invention is to provide an optically active bicyclic -amino acid derivative in a high purity. The object can be attained by a mixture of compounds represented by the general formulas (I) and (I'), or a method for producing a compound represented by the general ...
compounds是化合物,mixtures是混合物,化合物是纯净物,而混合物不是纯净物,如H2O是compound,而盐水是mixture
aCan I have please your confirm this item was sent to me about at the beginning of december? 我可以请有您证实这个项目被送了到我在12月初?[translate] aOM is a mixture of organic compounds containing phosphorus and nitrogen OM是包含磷和氮气的有机化合物混合物[translate]...
A mineral mixture including at least' MgO and its equilibrium of Mg(OH), and MgCl, in which MgO—Mg(OH)constitutes between 85 and 99.99% by weight; and MgClconstitutes between 0.01 and 15% by weight of the magnesium compounds in the mineral mixture. Preparations containing the salt mixture...
makes fireworks flash in pretty colours and fun shapes. The images they make depend on the placement of these compounds inside the shell of the firework. (用适当的词填空) 相关知识点: 试题来源: 解析 what 【详解】 考查表语从句。句意:火药和化学化合物的爆炸性混合物是使烟花以绚丽多彩和有趣形状...
Mixture of fiber reactive dye compounds and dyeing method using the same Provided is a fiber-reactive dye mixture, comprising (i) one or more reactive dyes represented by Formula 1, and (ii) one or more reactive dyes represented by Formula 2: and a dyeing method using the same. The dye ...
We can separate the mixture into the pure chemical compounds ___ it is composed. A.in whichB.of whatC.of whichD.from which 相关知识点: 试题来源: 解析 C 本题为语法结构题。在定语从句中,关系代词前面的介词既受到所修饰的名词影响又受到关系从句中的动词影响。本句中的定语从句中含有一个固定...
aI want to improve my English level 我想提高我的英国程度[translate] a Alloys belong to a half-way house between mixture and compounds. 合金属于一个两地间中途歇脚的小客栈在混合物和化合物之间。[translate]