nitrogen gas

化学符号为N2

常用释义

氮气：一种无色、无味、无毒的气体，化学符号为N2，主要存在于大气中，占据空气的78%。氮气在工业上广泛应用于气体保护、气体灭火、气体冷冻等领域。

扩展信息

氮气

空气系由氮气(nitrogen gas)，氧气(oxygen gas)，水蒸汽(water vapour)，二氧化碳(carbon dioxide gas )与贵气体(noble gases)。

氮气制造机

不需任何原料之高纯度氮气制造机(Nitrogen Gas)主办单位：公告事项 SUBJECT : 不需任何原料之高纯度氮气制造机(Nitrogen …

例句

Insufficient amounts of nitrogen gas, they say, will limit plant growth regardless of how much extra carbon dioxide is available.

他们说，不论有多少额外的二氧化碳可供植物吸收，氮气的不足将限制植物生长。

It was an adaptation of Wilson's cloud chamber, filled with nitrogen gas.

这只是对威尔逊氮气云室的一种改进。

A coiled tubing string is generally used to apply the treatment, which involves running to depth while pumping high-pressure nitrogen gas.

挠性管柱一般用来实施处理作业，它包括下至一定深度并泵入高压氮气。

Purge the total system with nitrogen gas for replacing CO in the system.

用氮气吹扫整个系统，置换系统中的CO。

The experiment system by which nitrogen gas, oil mixture, low temperature and their combination can be realized.

建立了一套可以实现氮气、油雾、低温及其各种组合的实验系统。

In a process called denitrification, the microbes convert nitrates in the water into nitrogen gas, which is released into the atmosphere.

在这种名为脱氮作用的过程中，微生物将在水中的硝酸盐肥料转化为氮气，并释放进入大气环境。

The least value of fuel and nitrogen gas is obtained simultaneously by the dual-feedback control.

通过这两个反馈调节，使得耗氮量和燃油量同时达到最小。

Nitrogen gas is emitted into the atmosphere by cars and industrial processes.

汽车和工业生产过程把含氮气体排放到了大气层中。

The results indicate that the recovery factor of carbon dioxide is the highest, natural gas is the second and nitrogen gas is the last.

实验结果表明，二氧化碳驱采收率最高，其次为天然气，氮气驱效果最差。

To avoid condensation and freeze in the waveguide the nitrogen-gas guide holes and the collection tank are designed.

为了避免波导内部冷凝结霜在波导壁上设计了氮气导孔和氮气收集筒。

The supply of nitrogen gas can be ensured only by steady run of nitrogen generator.

只有制氮设备的稳定运行，才能保证氮气供应。

This solid generant buns in an enclosed chamber to produce harmless nitrogen gas.

这种物质燃烧时会产生无害的氮气。

Under heating , use desiccative air or nitrogen gas as gas stripping to complete regeneration of H.

吸收剂H可在加热条件下，用干燥空气或氮气气提再生。

Simple structure, ideal greasing position and rear cover with nitrogen gas leakage proof make the maintenance very easy.

简单的结构、极佳的油脂润滑位置、无氮气泄漏的后盖，使维修保养异常便利。

In the experiment, we use high pressure nitrogen gas as work gas, and water as liquid for drawing and jetting.

实验中采用高压氮气作为喷射泵的工作气体，水作为被抽吸和喷射的流体。

After purging with nitrogen gas and cooling to 80. degree. C, the contents of the reactor are bottled.

在用氮气吹扫和冷却到80度后，反应器中的物质被瓶装。

Or they can be converted to nitrogen gas and released back to the atmosphere.

或者被转换成氮气并且被释放到空气中。

An Al target, a Ti target and nitrogen gas were used during deposition.

一个基地的目标，一个目标，氮气钛期间使用了沉积。

The most commonly used work gas: argon, nitrogen, oxygen, air and H35, argon-nitrogen gas mixture, etc.

最常用的工作气体有：氩气、氮气、氧气、空气以及H35、氩-氮混合气体等。

It is a new technology developed according to the situation of heavy oil recovery called Nitrogen Gas Insulating Heat and Aiding Flow.

氮气隔热是根据稠油开发现状开发出的一种技术。

connected to the nitrogen gas tank allowed very slow bleeding of the system at the end of

针形阀连接氮气罐，每次测试在端部允许系统非常缓慢的流动

Application and study of nitrogen gas spring in automobile mould manufacturing

氮气弹簧在汽车模具中的应用研究

Standard Specification for Nitrogen Gas as an Electrical Insulating Material

作为电绝缘材料的氮气

Determination of hydrogen content in steel by thermal conductivity method after fusion in a current of nitrogen gas

氮气携带熔融热导法测定钢中氢含量

Study of Natural Gas Pipeline Replacement Technology by Nitrogen Gas

天然气管道氮气置换技术研究

The Numerical Simulation Research of the Water Alternate Nitrogen Gas Foam Displacement

氮气泡沫、水交替驱采油数值模拟研究

Influence of Substrate Temperature and Nitrogen Gas on Zinc Nitride Thin Films Prepared by RF Reactive Sputtering

衬底温度和氮气分压对氮化锌薄膜的性能影响

Effect of High Pressure Nitrogen Gas Treatments of Mini-Tomato Seeds on Its Growth Characteristics

高压氮气处理微型番茄种子对其生长特性的影响

Appliance of Nitrogen Gas Insulating Heat and Aiding Flow Technology in Liaohe Heavy Oil Production

氮气隔热助排技术在稠油开采中的应用

Study on the New Technology for the Preparation of L-lactide with the Aid of Nitrogen Gas Bubble