Pure nitrogen or argon is bubbled through the solution until all color is gone.
向溶液中鼓入纯氮气或氩气，直到溶液没有了颜色时为止。
The steel sample is molten by radio freguency induction heating in pure nitrogen flow.
试样在高纯氮气流中用高频感应加热熔融。
Air Products set up shop to deliver ultra-pure nitrogen, vital to chip making, to Intel down a two-foot-wide pipe.
空中产品建立起车间把高纯度的氮沿着两英尺宽的管子运送到英特尔公司，这种氮对于半导体的制造是非常重要的。
The deep levels in electron irradiated CZ silicon single crystal grown in pure nitrogen protective atmosphere has been studied.
本文研究了电子辐照在氮保护气氛中生长的直拉硅单晶中引入的深能级。
The system of nitrogen source is designed for the need of pure nitrogen of the large space environment simulating equipment in our country.
氮气源系统是根据我国大型空间环境模拟设备对纯净氮气的需要而设计的。
So too is the nitrogen cycle, which converts pure nitrogen from the air into useful chemicals, and which mankind has helped speed up by over 150%.
氮循环也一样，它将空气中的纯氮转化成有用的化合物，而人类使其加速了150%以上。
One crucial part of this cycle-the fixing of pure nitrogen from the atmosphere into useful nitrogen-containing chemicals-depends more or less entirely on living things (lightning helps a bit).
氮循环的一个关键组成部分就是——在大气中，将纯净的氮固定为成含氮化合物的形式——这或多或少要完全依赖于生物(闪电仅起一点儿作用)。
In the absorption work, a gas mixture prepared by mixing solute-saturated nitrogen with pure nitrogen in a given volume ratio was charged into the gas chamber and came in contact with pure water.
在吸收工作，而这种气体混合物编写的混合溶质饱和氮与纯氮在某一体积比被控进入毒气室，并在接触到纯净水。
They fill the container with pure air made by evaporating liquid nitrogen and liquid oxygen, and add water vapour and some trace gases.
他们将容器充满由蒸发液态氮和液态氧得到的纯空气，再加入水蒸气和一些痕量气体。
Nitrogen is removed from the air, enabling the fuel to burn in pure oxygen.
氮气从空气中被去除，使得燃料能够在纯氧中燃烧。
Mssbauer measurements have been carried out for pure iron powder samples, the whose surface was implanted with nitrogen ions by plasma source ion implantation techniques.
采用等离子体源离子注入方法，将氮离子注入纯铁粉中，对样品进行穆斯堡尔谱研究。
A primary use of testing the weight percentages of nitrogen, carbon, hydrogen, oxygen and sulfur within a variety of solid or liquid explosive of pure organic compounds.
主要测试无爆炸性之各种固态或液态之纯质有机化合物中的氮、碳、氢、氧及硫之重量百分率。
The mechanism of hydrogenation of nitrogen into ammonia was discussed on the pure iron surface.
讨论了在纯铁催化剂上，氮分子和氢分子逐步合成氨的反应机理。
The solvent of pure furfural extracted the basic nitrogen in the diesel oil.
研究了以纯糠醛为溶剂脱除催化裂化柴油中的碱性氮化物；
The solvent of pure furfural extracted the basic nitrogen in the diesel oil.
研究了以纯糠醛为溶剂脱除催化裂化柴油中的碱性氮化物；
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