介绍了防氮化剂主要用于金属材料氮化时非氮化部位的防护。
Anti-nitridizing agent is mainly used to protect non-nitridizing area during metal nitridizing process.
结果表明，保护床催化剂失活的主要原因是原料中的有机碱性氮化物引起的树脂催化剂交换容量的损失。
It was found that loss of exchange capacity of the resin catalyst caused by basic nitrates was the main cause behind the deactivation.
着重概述了传统金属硫化物催化剂的改性方法，新型的金属碳化物、金属氮化物和金属磷化物催化剂的研究现状。
Improvement and modification of traditional metal sulphide catalysts, and the current situation of new catalysts such as metal carbides, metal nitrides and metal phosphides are emphasized.
碳氮化钒是氮化钒和碳化钒的固溶体，是重要的钢中添加剂。
Vanadium nitride and carbide, as a solid solution, is an important additive to steel.
选择该经活化的含氮化合物以及非氧化杀生物剂的用量以获得协同杀生物作用。
The amount of activated nitrogenous compound and non-oxidizing biocide is selected to result in a synergistic biocidal effect.
卤素原子同氮化合物一样，作为净化剂。
The halogen atoms play the same scavenging role as nitrogen compounds.
催化裂化轻汽油醚化工艺适应了生产清洁汽油的要求，轻汽油中含有的少量碱性氮化物中和阳离子交换树脂催化剂的酸性，造成催化剂失活。
The etherification process of FCC light gasoline meets the requirement of producing clean gasoline, while the basic nitrogen compounds can deactivate the etherification catalyst-sulfonic acid resin.
从FCC催化剂碱氮中毒机理、含氮化合物的转化等角度分析了含氮化合物对催化裂化的不利影响。
The nitrogen poisoning mechanism of FCC catalysts and the catalytic conversion of nitrogen-containing compounds are summarized.
研究添加成孔剂法制备的有球形宏观孔的多孔氮化硅陶瓷在不同孔隙率和孔径下的介电性能。
The porosity, pore diameter and solubility of ceramsite filter made by these two methods were analyzed and compared.
采用微波碳热还原法制备了氮化铝粉末，研究了铝源、碳源和添加剂对制备氮化铝粉末的影响。
The effects of aluminium sources, carbon sources and additives on AlN powder structure and morphology were studied.
目前，正丁烷脱氢异构催化剂可以分为两类，过渡金属双功能催化剂和过渡金属氮化物、碳化物和碳氧化物催化剂。
The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.
应用该协同混合物的方法需要向水系统中加入有效量的经氧化剂活化的含氮化合物以及至少一种非氧化杀生物剂。
The method of using the synergistic mixtures entails adding an effective amount of a nitrogenous compound activated by an oxidant and at least one non-oxidizing biocide to an aqueous system.
我们以聚乙烯咔唑为偶合组分，和发色基团对硝基苯重氮盐在相转移催化剂存在下，采用后重氮偶合方法，制备出偶氮化聚乙烯咔唑。
Poly (N-vinyl carbazole) was modified to prepare azo-PVK by post-azo-coupling reaction with diazo salt as raw material using phase-transfer catalysts.
摘要：芳香偶氮化合物广泛应用于有机染料、生物医药、食品添加剂、自由基诱发剂等领域。
Abstract: Aromatic azo compounds are widely used as organic dyes, biological medicines, food additives, radical initiators and so on.
在渣油加氢处理中试装置上，考察了渣油中氮化物在不同催化剂上的脱除规律。
The distribution and removal of nitrogen were investigated on a residue hydrotreating pilot plant.
通过研究萃取法脱除催化裂化轻汽油中能使醚化催化剂失活的碱性氮化物的工艺，考察了各种工艺条件对碱性氮脱除率的影响。
A process for the removal of basic nitrogen compounds from light gasoline by extraction is studied. The effects of extraction conditions on the removal of basic nitrogen compounds are investigated.
适当引入氮化硅，降低了铝炭砖的氧化失重率，提高了其抗脱磷剂侵蚀的能力及砖的抗氧化性能。
With well-suited amount of si 3n 4 added, the oxidation loss rate of aluminum-carbon bricks can be decreased, and their anti-oxidation ability and corrosion resistance improved.
结果发现，用二甲苯为溶剂合成的氮化铝结晶度好，而生成的氮化铝纯度随着反应温度升高而增加，同时表面活性剂的加入对结晶度也存在一定的影响。
The results show the good crystallinity of the powder was obtained when using xylene as solvent, and the purity of aluminum nitride obtained increase with the reaction temp...
结果发现，用二甲苯为溶剂合成的氮化铝结晶度好，而生成的氮化铝纯度随着反应温度升高而增加，同时表面活性剂的加入对结晶度也存在一定的影响。
The results show the good crystallinity of the powder was obtained when using xylene as solvent, and the purity of aluminum nitride obtained increase with the reaction temp...
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