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- high pure nitrogen 高纯氮
- Alloy steel was plasma nitirded under the atmosphere of pure nitrogen using active screen plasma nitriding(ASPN)at high voltage and low pressure. 采用高电压、低气压的离子渗氮工艺,利用活性屏离子渗氮(ASPN)技术对合金钢在纯氮气氛下进行离子渗氮处理。
- Pure nitrogen or argon is bubbled through the solution until all color is gone. 向溶液中鼓入纯氮气或氩气，直到溶液没有了颜色时为止。
- Introduced one kind of new technology of nitrogen purifies applies into the melt sourcing because of the high purchase cost of pure nitrogen, and will take inconvenience to the enterprises. 摘要外购高纯氮气，不仅价格高，而且有时还给生产造成不便，为此研究了一种氮气净化的新技术用于熔体精练。
- The best combination is base manure proportion and the times of after manure 2/5 +5times + 521 lhole/667m2 + pure nitrogen 15kg/667 m2 + pure potassium 12kg/ 667m2. 最优组合是基肥比例及追肥次数2/5+5次+5211 株/667 m2+纯氮15kg/667 m2+纯钾12kg/667 m2。
- So the research of producing the high pure quartz with the silica mineral substitutes for natural quartz is imminent. 本文综述了国内外硅石矿物原料替代天然水晶生产高纯石英砂的研究现状;
- This ERM was prepared in super-clean lab with high pure reagents and sub-packed in 20 ampoules. 本标准样品采用高纯试剂在超净间中准确配制，分装于20毫升安瓿内，经均匀性检验合格。
- This ERM was prepared in super-clean lab with high pure reagents and sub-packed in 20ml ampoules. 本标准样品采用高纯试剂在超净间中准确配制，分装于20 毫升安瓿内，经均匀性检验合格。
- High pure dispersivity reduces the carbon deposition and the greasy dirt formation. 高清净分散性，减少积炭与油泥形成。
- A series of highly pure surfactants was synthesized. 合成了一系列高纯度的表面活性剂。
- The influence of nitrogen on the equilibrium and nonequi-librium phase transformation temperature of gray cast iron was studied by DTA and SDC methods with Fe-C-Si and Fe-C-Si-Mn alloys as experimental materials added with pure nitrogen. 本文采用工业纯Fe-C-Si和Fe-C-Si-Mn合金作为实验材料,加入纯氮,用差热分析和微分热分析法研究了氮对灰铸铁平衡及非平衡相变温度的影响。
- Germanium tetrachloride is used to produce high pure GeO2 and dopant in optical fiber. 四氯化锗用于制备高纯二氧化锗及石英光导纤维的搀杂剂等。
- This ERM was prepared in super-clean lab with high pure reagents and sub-packed in 20 ml ampoules. 本标准样品采用高纯试剂在超净间中准确配制，分装于20毫升安瓿内，经均匀性检验合格。
- The nitrogen purging system provided pure nitrogen with proper humidity for the sealed display case in order to maintain anoxia environments, and monitors were used to monitor the experiment. 密闭展柜内充满氮气,维持缺氧环境,同时放置调湿剂和除氧剂,调湿剂用于调节展柜相对湿度,除氧剂用来吸收展柜内氧气;
- Analyses on the deflageration synthesis principle of BN show that B_2O_3/NH_4NO_3 may be an ideal formula for attaining high pure BN. 通过对爆燃获得氮化硼的反应原理等方面的分析,提出了B2O3/NH4NO3配方可能是通过爆燃获得高纯度、高产量氮化硼的理想配方。
- Objective:TO study the atom absorbs the spectrum method measurement interferent effects of calcium in high pure rare earths Y 2O 3. 目的:研究原子吸收光谱法测定高纯稀土氧化钇中钙量干扰效应分析条件。
- The company main product is the high pure cobaltous chloride, the cobaltous sulfate, the cobaltous carbonate, the cobalt blue and so on. 公司主要产品是高纯氯化钴、硫酸钴、碳酸钴，氧化钴等。
- Based on the characteristics of thallium ore resource in Guizhou, this paper introduces the production and application of high pure thallium. 根据贵州铊矿资源的特点，介绍了一种化学法制取高纯铊的生产工艺和应用方法。
- Purification of organic acids (production of highly pure lactic acid, etc. 有机酸提纯(高纯度乳酸制取等)
- The purity of high pure aluminium used for high voltage anode of electrolytic condenser and effect of process on annealed structure are studied. 研究了电解电容器高压阳极用高纯铝的纯度及各种工艺因素对箔材退火后组织的影响。
