1.
Will you sunder nitrogen from air?
你能从空气中把氮气分离出来吗？
2.
Nitrogen is produced at air separation plants either by liquefaction of atmospheric air and separation of the nitrogen by distillation or by adsorption processes.
在空气分离工厂、或者通过空气液化和蒸馏分离出氮，或者通过吸附过程生产氮。
3.
Nitrogen is produced at air separation plants by liquefaction of atmospheric air and separation of the nitrogen by distillation. The nitrogen is then recovered as a cryogenic liquid.
在空气分离工厂，通过空气液化和蒸馏分离出氮。接着氮作为低温液体回收。
4.
Synthesis of NaX Membranes and Application to Separating Benzene and Nitrogen Mixture;
NzX沸石膜的合成及在苯和氮气混合体系中的分离应用
5.
Research on Ion-nitrocarburizing Processes and Mechanism with N_2 and CH_4 for 40Cr;
40Cr钢氮气—甲烷离子氮碳共渗工艺及机理的研究
6.
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
7.
blood urea-nitrogen analyzer
血尿素-氮气分析仪
8.
arterial-alveolar N2 difference
动脉血－肺泡气氮分压差
9.
flow separation region
水流分离区气流分离区
10.
Nirogen( forms) about four fifths of the atmosphere.
氮气占大气层组成部分的五分之四.
11.
segregation gas chromatography
分离气相色谱(法)
12.
Screening and Identifying of a Novel Denitrogenation Microorganism and Study on Its Nitrogen Removal Mechanisms;
一株新型脱氮微生物的分离鉴定及其脱氮机制
13.
Isolation of Endophytic Diazotrophic Bacteria from Gramineae Grasses and Their Activity for Nitrogen Fixation and Plant Growth-Promoting;
禾草内生固氮菌的分离及固氮促生效能研究
14.
double column rectifier for air separatio
空气分离双柱精离塔
15.
Kinetics of Thermal Decomposition of Magnesite in Nitrogen
菱镁矿在氮气气氛中的热分解动力学
16.
But there should be no problem separating nitrogen from the air, and liquefying it economically and efficiently.
但是从空气中分离氮并且用经济有效的方法使它液化应该不成问题。
17.
Isolation and Identification of Endophytic Nitrogen-fixing Bacteria and Different Levels of N on Nitrogen Fixation in Sugarcane;
甘蔗内生固氮菌的分离鉴定与不同氮水平对其固氮的影响
18.
Isolation and identification of nitrogen-containing compounds from the bulbs of Allium cepa L. var. agrogatum Don.
分蘖葱头中含氮化合物的分离与鉴定