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.
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
3.
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
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.
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
7.
Determination of traceable nitrogen in argon with PDHID-GC
高纯氩气中微量氮的(PDHID-GC)测定方法
8.
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
9.
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
10.
Research on New Process of Ion Nitriding at Pure Nitrogen Atmosphere and Ion Nitriding Mechanism;
纯氮离子渗氮新工艺及离子渗氮机理研究
11.
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
12.
AN EXPLORATION OF PHOSPHORUS NITROGEN SYNERGISM IN COTTON FLAME RETARDANT TEXTILES
纯棉阻燃织物中磷——氮协同效应初探
13.
Surface Nanocrystallization and Plasma Nitriding of Pure Titanium at Low Temperatures
纯钛表面纳米化及低温离子渗氮研究
14.
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
15.
Analysis of High Nitrogen Steels Refining Factors With High Pressure and Bottom-Blown Nitrogen
高压-底吹氮法高氮钢精炼因素分析
16.
Experimental Study on Smelting of High Nitrogen Steel with High Pressure and Bottom-blown Nitrogen
高压底吹氮法冶炼高氮钢的实验研究
17.
highly purified perchloric acid
高纯化学试剂–高氯酸
18.
Purification, Characterization and Crystallization of Novel Nitrogenase Containing Cr or Mn;
含铬或锰的新型固氮酶的纯化，特性和结晶