1.
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。
2.
Research on nickel-based brazing powders made by high purity N_2 atomization process
高纯氮气流雾化制备粉状镍基焊料的研究
3.
A Study for Purification and Trace Impurities' Analytical Methods of High Purity Nitrogen
高纯氮气纯化工艺及微痕量组分分析方法的研究
4.
Common purity nitrogen as the material, through some special technics, wipe off the oxygen and water in nitrogen, then get high purity nitrogen.
原理：利用普氮为原料，通过一定的特殊工艺的处理，去除普氮中的氧、等杂质，得到高纯氮气。
5.
Some kinds of technology and development that use gas purification technology to produce high purity nitrogen are introduced.
介绍了利用气体纯化技术制取高纯氮气的几种工艺路线及发展情况。
6.
Determination of traceable nitrogen in argon with PDHID-GC
高纯氩气中微量氮的(PDHID-GC)测定方法
7.
Research on Behaviors of Nitriding on Pure Iron by Thermal Plasma Jet Irradiation;
氮气热等离子束照射纯铁氮化行为的研究
8.
Design and operation of a 2500m~3/h nitrogen purification unit
2500m~3/h氮气纯化装置的设计和运行
9.
Synthesis of Diamond with High Nitrogen Concentration Using Pure Iron Powder Catalyst with Additive NaN3
纯铁触媒添加叠氮化钠合成高氮含量金刚石
10.
Study of Microstructure and Nitride in Ion-nitrided Pure Iron with High Resolution Electron Microscope;
纯铁表面离子渗氮层显微组织及氮化物的高分辨电子显微镜研究
11.
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。
12.
Products: Highly Toxic Gases, High-Purity Gases, Rare Gases and Pyrophoric Gases
产品：剧毒气体，高纯度气体，稀有气体和自燃气体
13.
IMPURITY ANALYSIS OF HIGH PURITY METHANE CCQM K66 INTERNATIONAL COMPARISON
高纯甲烷纯气体中的杂质分析——CCQM K66国际比对
14.
Preparation and Properties of C-axis Preferred Orientation AIN Thin Films by Pure Nitrogen Reactive Sputtering
纯氮气反应溅射c-轴择优取向AIN薄膜的制备及性质研究
15.
Process and Mechanism of Ion-nitriding under the Atmosphere of N_2 and N_2-NH_3;
纯氮、氮—氨离子渗氮工艺和机理研究
16.
Research on Adsorption-Liquefaction Processes of Coalbed Methane with High Nitrogen Content;
高含氮量煤层气吸附—液化过程研究
17.
D-UBAF for Pretreatment of High Ammonia Nitrogen Raw Water
叠式曝气生物滤池预处理高氨氮原水
18.
Gases for electronic industry--High purity ammonia
GB/T14601-1993电子工业用气体高纯氨