查询词典 improper fractional function

Krypton occurs in trace amounts in the atmosphere and in rocks and is obtained by fractional distillation of liquefied air.

在大气和岩石中只有极微量的氪，可以通过液态空气的分馏来得到它。

In both cases, to achieve this effect the alcohol had to have been at least 95 percent, close to the maximum concentration attainable through fractional distillation.

在这两种情况下，要达到这个效果的酒精已已至少有95 ％，接近最高浓度达到通过分数蒸馏。

Krypton occurs in trace amounts in the atmosphere and in rock s and is obtained by fractional distillation of liquefied air.

在大气和岩石中只有极微量的氪，可以通过液态空气的分馏来得到它。

Pure'.'' substances by fractional distillation.

纯'。''物质，不总是轻而易举的事。

Vary 可变 Different components of air have different boiling points, they can be separated by fractional distillation of liquid air.

空气中不同的成分有不同的沸点，可把液态空气分馏来把它们分离。

An apparatus for the fractional distillation of ethanol from fermentation on an industrial scale.

规模生产从氨基酸发酵中分馏蒸馏乙醇的装置。

Under ordinary pressure, the experiment of simple distillation and fractional distillation is studied.

通过常压下简单蒸馏与分馏的实验研究，阐明双组分体系中温度平台与组分含量、沸点差值之间的关系。

Spectral analysis of soil trace elements is based on fractional distillation of the element being detected in electric arc plasma.

本法根据被测元素在电弧等离子体中的分馏效应原理，选择合适的电极规格和内标缓冲剂，对土壤微量元素进行定量测定。

The main method of separation used in refineries is fractional distillation, although further processing is normally required to produce marketable petroleum products.

分离石油主要采用的方法就是分馏，然后通过深加工才能得到可以销售的石油产品。

Pure DCP was obtained by fractional distillation in an atmospheric column with 20 theoretical stages.

纯磷酸氢钙得到分馏在一个大气柱， 20个理论阶段。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。