本发明公开了一种不饱和烃选择性加氢催化剂的制备方法。
The invention disclosed the preparing method of selective hydrogenating catalyst of unsaturated hydrocarbon.
烯烃:含有一对或多对由双键连接的碳原子的一类不饱和烃。
Olefin (or alkene) Any unsaturated hydrocarbon containing one or more pairs of carbon atoms linked by a double Bond (see covalent Bond, saturation).
臭氧能与不饱和烃及氮氧化物反应,并产生大量自由基和官能团。
Ozone can reacts with unsaturated hydrocarbons or nitrogen oxides, and generates numerous free radicals.
柴油色度安定性主要与其中的不饱和烃、烷基吲哚、甲基咔唑、苯胺、苯酚等有关。
And color stability of diesel fuel were affected by unsaturated hydrocarbon, alkyl indole, methyl - carbazole, aniline and phenol.
裂解汽油加氢装置的物料含有大量易自聚的不饱和烃,自聚造成装置中的分馏器堵塞,会严重影响石油化工厂的连续生产。
The materials to be treated in the distillation towers fo pygas hydrogenation unit contain a lot of unsaturated hydrocarbons which have strong tendency of self - polymerization.
研究结果表明:影响中石化长岭分公司催化裂化柴油颜色安定性的主要物质有不饱和烃、重芳烃、非碱性氮化物、碱性氮化物和酸性组分等。
The results show that the main compounds which impact the color stability of the catalytically cracked diesel oil produced from SINOPEC Changling Company. are various.
对2-H苯并咪唑盐与烃基为不饱和取代基的格利雅试剂的加成-水解反应进行了研究,将此反应应用到不饱和醛的制备。
The addition-hydrolysis reaction was applied to the synthesis of unsaturated aldehyde by the -reaction of 2-H benzimidazolium iodide with alkenyl magnesium bromide.
Q 1 是可被取代的饱和或不饱和的5-或6-元环烃基等;
Q1 represents optionally substituted, saturated or unsaturated 5- or 6-membered hydrocarbyl, etc.
耐溶剂粘合剂,其通过使用过氧化物或硅烷来交联羟基或脲或烃封端的不饱和聚氨酯或聚氨酯-脲聚合物而获得。
A solvent resistant adhesive obtained by the crosslinking of a hydroxyl or urea or hydrocarbon terminated unsaturated polyurethane or polyurethane-urea polymer with a peroxide or a silicone hydride.
耐溶剂粘合剂,其通过使用过氧化物或硅烷来交联羟基或脲或烃封端的不饱和聚氨酯或聚氨酯-脲聚合物而获得。
A solvent resistant adhesive obtained by the crosslinking of a hydroxyl or urea or hydrocarbon terminated unsaturated polyurethane or polyurethane-urea polymer with a peroxide or a silicone hydride.
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