用环烷基油调配了一种防锈性能良好的低噪音轴承防锈油。
It is formulated a rust - proof oil to low noise bearings with naphthene base oil which has good rust - proof property.
报道了苯和乙烯液相循环烷基化工艺及其所用AEB型分子筛催化剂。
This article introduces the production technology of ethyl benzene by circulation process for liquid phase and its AEB type zeolite catalyst.
渤海361原油属低硫环烷基原油,是生产优质道路沥青的良好原料。
Bohai 36 1 crude is classified to low sulfur naphthenic base crude oil, which is a good feedstock for producing high grade road asphalt.
辽河分公司南蒸馏装置改造之后,主要加工高酸值、强腐蚀性的低凝环烷基原油。
The south crude distillation unit in Liaohe Petrochemical Company mainly processes high-acid-value, corrosive and low-freezing-point naphthenic crude oils after revamping.
发现以酯类油与环烷基矿物油的混合油做基础油时,合成的锂基脂具有较好的噪声特性。
To find that mixture of naphthenic mineral oil and ester oil as base oil, the grease has a proper noise character.
合成了2种助焊活性剂23-二溴丁二酸和环烷基胺氢溴酸盐,制备了ES系列活性助焊剂。
Two active agents for soldering, 23 Dibromosuccinic acid and cycloalkanamine hydrobromide were synthesized. A series of ES active soldering fluxes were prepared.
其主要杀菌机理是:环烷基咪唑啉季铵盐与DNA结合,引起DNA突变,从而导致细菌死亡。
The bactericidal mechanism is mainly involved in the combination of NIS with DNA, which causes DNA mutations and finally results in bacterial death.
相转移催化环烷基化反应不适合采用无溶剂法来进行,对反应过程中的溶剂效应进行分析后选择甲苯作为溶剂和带水剂。
The reaction was not suitable conducted under solvent-free condition, water formed during the reaction was removed by azeotropic distillation with toluene throughout the reaction.
随着演化程度加深,链烷烃脱甲基、环烷烃开环作用、芳构化作用和烷基化程度不断提高。
The degree of hydrocarbon evolution increases with depth, which is accompanied by demethylation of alkanes, ring opening of cycloalkanes, aromatization and heightening alkylating degree.
本文利用高压dsc对各种燃料烃(正构烷烃、环烷烃、烷基芳烃和双环烃)的安定性进行了研究。
In this paper, the experimental investigation on the stability of various fuel hydrocarbons was carried out by high pressure DSC.
研究了烷基苯基硅铜酸盐与2-环烯酮的1,4-加成反应的立体选择性,并合成了一系列新的2-取代-3-硅基环烷酮。
The stereoselectivity of 1,4-addition of dialkylphenylsilyl cuprates to 2-cycloenones was investigated and meantime a series of new 2-substituted-3-silylcycloalkanones were synthesized.
研究了烷基苯基硅铜酸盐与2-环烯酮的1,4-加成反应的立体选择性,并合成了一系列新的2-取代-3-硅基环烷酮。
The stereoselectivity of 1,4-addition of dialkylphenylsilyl cuprates to 2-cycloenones was investigated and meantime a series of new 2-substituted-3-silylcycloalkanones were synthesized.
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