是否使用氮气取决于焊锡膏焊剂的化学特性。
The use of nitrogen will depend on the solder paste flux chemistry.
现在广泛使用的是无氧氮气压力检测。
Oxygen free nitrogen pressure testing is now widely recommended.
避免设备内氧气浓度过高以及火源的存在，使用氮气稀释釜内空气。
To exclude higher oxygen concentration in an equipment with an potential source of ignition we use Nitrogen to dilute the air in the vessel.
由水泥浆与氮气混合而成的在固井作业中使用的一种水泥。
A type of cement used in a cement job that is made of a mixture of cement slurry and nitrogen in the gas state.
在配备气管和氮气流量阀就可以作氮吹浓缩器使用；
If we equip gas tubes and nitrogen flow controller, it can be used as a concentrator.
清除氧是由室内使用氮气，这是实行控制的方式通过'氮刀'在网络入口，并通过一个注射器在治疗室。
Oxygen is purged from the chamber using nitrogen gas, which is introduced in a controlled manner via a 'nitrogen knife' at the web inlet and via an injector in the curing chamber.
使用稀有气体，如氮气和氩气，以防止高温造成氧化。使用惰性气体代替氧气对高温室进行增压。
Inert atmosphere ovens use noble gases, such as nitrogen and argon, to prevent oxidation caused by high temperatures.
我很惊讶地发现当使用混合气体(氮氧或氦氧)时耗气量没有作为氮气吸收的一个指标。
I was surprised to notice that air consumed is not used as a factor for nitrogen absorbed when the type of air mixture (nitrox or heliox) is.
用DTA／GC在线联用技术，分别在氮气和空气气氛中对导热油热稳定性进行研究，提出并探讨了以热分析方法来确定导热油最高使用温度的可能性。
The thermal stability of heat transfer oil in air and nitrogen atmosphere with the help of DTA/GC on line coupled simultaneous technique was studied.
所述的掺杂气体控制部分包气体保护部分使用的氩气、氮气的气体质量流量计及掺杂箱部分；
Said doping gas control part includes a gas quality flowmeter (of argon and azote) used by a gas protect part, and a doping case part.
该产品已被打包使用氮气取代氧气冲洗技术最大化的新鲜度。
This product has been packaged using nitrogen flush technology displacing oxygen to maximize freshness.
初始惰性保护后，使用较低流量的氮气来稀释可能由泄漏进入的空气。
After the initial inertisation we have to apply a small flow of Nitrogen to dilute possible leakage from atmosphere.
氮气循环使用，增加无铅焊料的侵润性和流动性，使锡点饱满光亮。
Circulated nitrogen system is designed to improve the wettability and fluidness of lead-free solder and to ensure that the solder joints are shiny and bright.
介绍了氮气底吹透气砖技术的开发，总结了该技术的实际使用效果：升温速度快、冷料处理量大、操作时间有所缩短等，指出了需要进一步完善的方面。
The major advantages include quick temperature rising, high throughput of cold charge and short operating period, and points out aspects needing to be further improved.
论述处置液化石油气汽车槽车事故使用氮气置换的必要性及氮气置换装置的组成、工作原理；
The paper expounds the necessity to use the nitrogen replaceable equipment in handling the problems with liquid-oil-gas-carrying tank cars by using nitrogen replaceable equipment;
卸下蓄能器前必须卸去压力油，使用充气工具放掉皮囊中的氮气，然后才能拆下各零部件。
Drain the oil before demount accumulator. First let out the nitrogen with the charging device, then the parts can be demounted.
卸下蓄能器前必须卸去压力油，使用充气工具放掉皮囊中的氮气，然后才能拆下各零部件。
Drain the oil before demount accumulator. First let out the nitrogen with the charging device, then the parts can be demounted.
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