在氮气保护下，反应能引发丙烯酰胺的聚合。
Under the protection of nitrogen the reaction system can induce polymerization of acrylamide.
高温氮气脱水法是在氮气保护下，高温合成聚酯多元醇。
The high temperature nitrogen dehydration method is to synthesize the certain molecular weight polyester polyol under the protection of nitrogen at high temperature.
本文详细研究了无氮气保护下胶体铜催化剂的制备条件。
This paper studies the optimal reaction conditions for the preparation of colloidal copper catalysts without protection of N_2.
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。
Nitrogen Protection is used in practical industry because of poor wettability of lead-free solder.
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。
Nitrogen protection: Apply nitrogen to detect the oxygen amount contained in the machine online ensuring the safe operation.
铜管脱脂，氮气保护退火对降低氧化膜中碳的含量无明显效果。
The intermedium pickling and oxidation annealing can greatly reduce the carbon content in the oxide film.
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。
Specially including nitrogen chamber to evaluate the effect of nitrogen protection on solderability.
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。
System is running in safe mode. Some protection services are disabled.
实验的结果表明：在氮气保护下，碳纤维的高温表面处理效果较好。
The better result was obtained by the high temperature surface treatment of carbon fiber under the atmosphere of nitrogen.
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 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 reaction system does not induce polymerization of acrylamide, indicating the generation of no free radicals.
在相同温度条件下，氮气保护处理试样的抗水化性能优于埋炭保护处理试样。
Comparatively, the hydration resistance of specimens after treatment in nitrogen atmosphere is superior.
在焊接过程中，加入了隔绝氧气的氮气保护装置，能成功的避免焊接点被氧化。
It adds nitrogen protective device to isolate oxygen to avoid oxidization of welding point.
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。
Porous catalysts with carbon fiber for ethylbenzene dehydrogenation were prepared under the protection of nitrogen by programmed temperature controlling.
用二氯亚砜将萘普生酰氯化，在氮气保护下与脱镁叶绿酸交联，以硅胶柱层析分离产物。
Naproxin was treated by thionyl chloride, then conjugated to Phaeophorbide under protection of N2. The compound was purified by silica gel column.
控温方式采用可控硅移相调压，采用氮气保护气氛，炉体采用全密封焊接，密封性能优良。
Temperature control means using thyristor surge phase shifter using nitrogen atmosphere furnace used to seal welding, excellent sealing properties.
分出烟碱，在氮气保护下进行两次真空蒸馏即可得到98％以上的烟碱产品，产率在83％以上。
The separated nicotine is twice vacuum distilled in protective nitrogen to obtain nicotine product with purity over 98 % at yield over 83 %.
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 ricinoleic alkyl alcohol amide borate (RAB) was synthesized with castor oil, diethanolamine and boric acid as raw materials.
研究在氮气保护下采用非外加相转移催化剂经酯化和磺化合成磺基琥珀酸双十八油酯磺酸钠的新方法。
A new method to synthesize sodium dioleyl sulfosuccinate by esterification and sulfonation without adding any extra phase catalyst in nitrogen atmosphere was developed.
在氮气保护下，利用马弗炉加热改性和微波改性两种方法对成浆性较差的乌沙山电厂神华煤进行了改性制浆的研究。
As a coal with bad slurrying property, Shenhua coal in Wushashan power Plant is pretreated by pyrolyzing in muffle and microwave pre-heating in nitrogen to improve its slurrying property.
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。
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.
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。
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.
就像小孩子的饮用水里渗进了氮气一样，过度施肥也让作物深受其害，经常引发水华、形成“死区”。 美国环境保护署：草坪撒肥机
Overfertilization can also harm crops — as well as human babies if nitrogen seeps into their drinking water — and often triggers algae blooms and "dead zones."
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。
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.
通量涂料主要任务是蒸发，形成保护气体保护焊水坑由氮气，氢气和氧气。
The flux coatings major task is to vaporize and form a shielding gas to protect the weld puddle from nitrogen, hydrogen and oxygen.
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.
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.
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。
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.
本文介绍了电子部第48研究所研制的新型全自动氮气氛保护推板窑电气控制的主要特点和基本原理。
The basic principle and features of electric control in the new N_2-protectedautomatic pusher kiln developed by 48th Research Institute of MEI are intro-duced.
本文介绍了电子部第48研究所研制的新型全自动氮气氛保护推板窑电气控制的主要特点和基本原理。
The basic principle and features of electric control in the new N_2-protectedautomatic pusher kiln developed by 48th Research Institute of MEI are intro-duced.
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