Nitrogen Protection is used in practical industry because of poor wettability of lead-free solder.
由于无铅钎料润湿性较差，在实际生产中普遍采用氮气保护。
Specially including nitrogen chamber to evaluate the effect of nitrogen protection on solderability.
特别配有氮气保护腔，用于评价氮气保护条件对可焊性的影响。
Nitrogen protection: Apply nitrogen to detect the oxygen amount contained in the machine online ensuring the safe operation.
氮气保护系统：采用氮气保护以保证机器在安全的环境下运行。
We research on method of effective nitrogen protection in quick decomposition of straw in frigid area, and provide feasible approach.
研究了北方寒冷地区秸秆的快速腐解过程中有效氮保护的方法，寻找切实可行的途径。
It is suggested that the pipe fittings be replaced in addition to the strengthened management of dewatering of process streams and nitrogen protection of the pipelines during the shutdown.
建议更换同批管件，并应加强物料脱水工艺管理，停工期间对管道应进行氮封保护。
Therefore, trying to use nitrogen protection or in the condition of low temperature in the process of comminution are recommended, which can provide more reliable results than that in the air.
因此，建议在植物多酚的测定过程中，尽量采用氮气保护的方式，或者在低温的环境中进行，从而使测定的结果更加接近植物内的真实含量。
Based on this, a combination nozzle with high pressure water-atomizing and low pressure nitrogen protection functions is designed to manufacture spherical or quasi-spherical stainless steel powders.
从国内外研究水雾化制粉的现状入手，在综合国内外研究资料的基础上，为实现高压水雾化制取不锈钢球形或类球形粉末，设计了一种高压水雾化、低压氮气保护的组合雾化喷嘴。
Under the protection of nitrogen the reaction system does not induce polymerization of acrylamide indicating no generation of free radicals.
在氮气保护下，反应不能引发丙烯酰胺聚合，说明在反应中没有自由基产生。
Under the protection of nitrogen, the ricinoleic alkyl alcohol amide borate (RAB) was synthesized with castor oil, diethanolamine and boric acid as raw materials.
在氮气保护下，以蓖麻油、二乙醇胺和硼酸为基本原料，合成了蓖麻油烷醇酰胺硼酸酯(RAB)。
Under the protection of nitrogen, the reaction system does not induce polymerization of acrylamide, indicating the generation of no free radicals.
在氮气保护下，反应不能引发丙烯酰胺聚合，说明在反应中没有自由基产生。
Low - temperature boronizing base was studied for card wires with nitrogen atmosphere as outer layer protection.
对针布齿条氮基气氛外层保护低温渗硼的方法进行了研究。
The high temperature nitrogen dehydration method is to synthesize the certain molecular weight polyester polyol under the protection of nitrogen at high temperature.
高温氮气脱水法是在氮气保护下，高温合成聚酯多元醇。
The leading-in system for the feed gases hydrogen and carbon dioxide as well as the protection shielding gas nitrogen for the process operation is standing outside the container.
对于原料气体氢气、二氧化碳以及操作的时候保护气体氮气来说，导入系统是置于机箱外面的。好了就这样了。不过说实话，原文有些问题。
Porous catalysts with carbon fiber for ethylbenzene dehydrogenation were prepared under the protection of nitrogen by programmed temperature controlling.
在氮气保护及程序控温条件下，制备了具有一定孔隙的炭纤维掺杂的乙苯脱氢催化剂。
Little or excessive nitrogen fertilizer application decreased roots vigor and protection enzyme activity and reduced growth and physiology superiorities of dry seedbed seedlings.
较少或过多施用氮素降低了秧苗根系活力和保护酶活性，影响秧苗生长和生理优势。
Under the protection of nitrogen the reaction system can induce polymerization of acrylamide.
在氮气保护下，反应能引发丙烯酰胺的聚合。
In the experiments, oil-contaminated soil was treated using microwave heating with nitrogen as the protection gas, and the heating-up characteristics was received and analyzed.
实验中以氮气为保护气微波辐照各种石油污染土壤样品，测量样品的升温特性。
The use of this type boiler is a good idea for energy saving and environment protection to the nitrogen plant using coal as a feed.
说明这种类型的锅炉对以煤为原料制气的氮肥厂是一个综合利用的好项目，既节能又利于三废冶理。
Nitrogen converter lining protection technology by slag splashing is an advanced technology to remarkably enhance service life of the converter and reduce production costs.
氮气转炉溅渣护炉技术是一项显著提高转炉炉龄、降低生产成本的先进技术。
Nitrogen converter lining protection technology by slag splashing is an advanced technology to remarkably enhance service life of the converter and reduce production costs.
氮气转炉溅渣护炉技术是一项显著提高转炉炉龄、降低生产成本的先进技术。
应用推荐