查询词典 rational fractional function

Fractional distillation is a physical method which cannot decompose compounds.

分馏法只属物理方法，不能分解化合物。

Since 1980s, for solving the problems in purification of high sulfur content natural gas, the separation methods based on the physical principle have been developed abroad, and two methods such as low temperature fractional distillation and membrance separation are successful.

八十年代以来，为解决酸气含量很高的天然气净化问题，国外致力于开发利用物理原理进行分离的方法，已取得成功的有低温分馏和膜分离两种方法。

The semimicro fractional distillation and the semiconducting refrigeration techniques were applied to the fast determination of sulfur dioxide in foodstuffs.

提出了一种采用半微量蒸馏-半导体制冷技术的食品中二氧化硫快速提取的新方法，研制出了可在15 min内完成二氧化硫提取的食品检测快速蒸馏提取装置。

Therefore, fractional distillation must be used in order to separate the components well by repeated vaporization-condensation cycles within a packed fractionating column.

因此，为了很好地分离各组分，必须通过在一个填充分馏柱内不断重复汽化－冷凝周期的方法进行分馏。

Obtained by fractional distillation of liquefied air, it is used in luminescent tubes, flash lamps, lasers, and tracer studies and as an anesthetic.

用于频闪仪和高摄影术所用的极短促而强烈的闪光灯中。氙闪光灯已用于活化红宝石的激光器。仅与氟和氧化合生成。

Obtained by fractional distillation of liquefied air, it is used in luminescent tubes, flash lamps, lasers, and trace r studies and as an anesthetic.

用于频闪仪和高摄影术所用的极短促而强烈的闪光灯中。氙闪光灯已用于活化红宝石的激光器。仅与氟和氧化合生成。

A colorless, flammable liquid, C6H14, derived from the fractional distillation of petroleum and used as a solvent and as a ''.

已烷一种无色可燃液体，c6h14，从石油的分馏中提取，用作溶剂和低''。

A colorless, flammable liquid, C6H14, derived from the fractional distillation of petroleum and used as a solvent and as a working fluid in low-temperature ''.

已烷一种无色可燃液体，c6h14，从石油的分馏中提取，用作溶剂和低温度气压计中的工作流体

The sample can be admitted to the ion source only after it is completely vaporized, otherwise,the result of masurement will be severly distorted by fractional distillation.

用接近于待测样品中所含的卤代烃的杂质样品与纯净六氟化铀可配置出已知卤代烃含量的"杂质标样"。

Obtained by fractional distillation of liquefied air, it is used in luminescent tubes, flash lamps, laser s, and tracer studies and as an anesthetic.

用于频闪仪和高摄影术所用的极短促而强烈的闪光灯中。氙闪光灯已用于活化红宝石的激光器。仅与氟和氧化合生成。

Tom: You are right, he worked hard all the time.

你是对的。他一直都是努力工作。

Take shortcomings,failures,and mockings of others as commonplace and a drive to complete oneself,hold your own opinion over the evalution and disscution divested from others,afterwards sink into the state of eliminate mistakes if any or encourge oneself being not being influenced by the sayinngs of others or having no ideas to do.

把缺点、失败及别人的耻笑等看成是一种常事，当成完善自己的动力，对别人的评价和议论自己心中有主见，做到&有则改之，无则加勉&，不为人言所左右或无所适从。