环烷基
- 网络cycloalkyl;cycloalkyl group;heterocycloalkyl;naphthenic
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方法:以N-苯基胍为母核,在苯基对位引入苯并噻唑-2-巯基,胍中其他氮上分别引入烷基、环烷基、芳烷基等,并测定这些胍类化合物的NOS抑制活性。
Methods : Using N-phenyl guanidine as a basic structure , a series of guanidine derivatives were obtained by introducing benzothiazole-2-mercapto at the para position of phenyl group , and alkyl , cycloalkyl , aralkyl at the N atom of guanido , and their NOS inhibiting activities were evaluated .
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国产环烷基超高压变压器油的应用及评价
Application of Homemade Cycloalkyl Ultrahigh voltage Transformer Oil and Its Evaluation
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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 .
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近几年国产沥青采用环烷基原油生产,其技术性能有了质的飞跃,达到了国际品牌水平,东海牌沥青应用于F1赛场就是最好的证明。
Now technology properties of homemade asphalts with naphthene base crude oil , for example , DONGHAI sign asphalt used in F1 race field , have greatly raised and reached the level of overseas asphalt products with famous trademark .
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克拉玛依油田九区稠油是典型的环烷基原油,采用加氢脱酸、糠醛精制、加氢处理等精制工艺能生产出倾点低、粘度大、安定性好的LVI润滑油基础油。
LVI lube base oil with low pour point , high viscosity and good stability can be produced by means of hydrogenation acid removal , furfural treatment and hydrotreatment .
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改进方法是:先将不溶性硫磺粗品用CS2萃取,然后与环烷基油按质量比1:(10~12)混合,加热到60~70℃,恒温搅拌30min后抽滤。
The measures include extracting the crude insoluble sulfur with CS_2 , mixing with paraffin oil in the proportion of 1 : ( 10-12 ), heating to 60-70 ℃ and agitating for 30 min at this temperature , and then extruding . Compared with the traditional method , i.
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加工低凝环烷基原油常减压装置的选材
Material Selection for Atmospheric-vacuum Distillation Unit Processing Low-freezing-point Naphthenic Crude Oil
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环烷基油磺酸盐驱油剂的制备及其应用研究
Study of Preparation and Application of Naphthenic Petroleum Sulfonates for EOR
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环保型环烷基胶粘剂专用油
Kg series environment-friendly naphthenic base softening oil specially used for adhesives
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环烷基与石蜡基润滑油的调合
The blending of the naphthenic base oil with the paraffinic one
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环烷基咪唑啉衍生物多功能水处理剂的研究
Study on naphthenic imidazoline derivative as multifunction water treatment agent
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全氢工艺生产优质环烷基润滑油
The production of premium naphthene - base lube oil with hydrogen technique
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加工低凝环烷基原油长周期运行经验
Long-term Operation in Processing Low Freezing Point Naphthene Base Crudes
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环烷基酮与正烃基醛的缩合反应特性研究
Study on the Characteristics of the Aldol Condensation of Cycloalkanones with n-alkyl Aldehydes
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环烷基咪唑啉衍生物在酸性溶液中对碳钢挂片缓蚀性能的研究
Research on the Corrosion of Naphthenic imidazoline derivatives to Carbon Steel Hanging Piece
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以环烷基油调合压缩机油的研究
Study of Blending Compressor Oil from Naphthenic Base Oil
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环烷基橡胶油的光稳定性与热稳定性改进研究
Studies on Improvement of Light and Heat Stability of Naphthenic Rubber Process Oil
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液相脱氮-白土精制工艺应用于环烷基润滑油生产
The production of naphthenic base lube oil with liquid phase DENITROGENATION-CLAY refining combined process
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利用孔店重质环烷基原油常二线生产变压器油
Transformer oil produced from atmospheric Cut 2 of Kongdian heavy naphthene base crude oil
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环烷基油&一种理想的橡胶增塑剂
Naphthenic Oil & Ideal Plasticizer for Rubber Industry
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石蜡基和环烷基变压器油的性能比较
Characteristic Comparison between Paraffine-Base and Naphthene-Base Transformer Oils
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20万吨/年环烷基馏分油加氢装置设备平面布置设计
Design of Equipment layout for 200 kt / a Naphthenic Base Fraction Hydrogenation Unit
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我国环烷基润滑油基础油
Naphthenic base lube base oil in China
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环烷基油在变压器中的应用
Application of Naphthenic Base Oil to Transformer
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加氢法生产中高粘度环烷基食品级白油工艺研究
The technics research about producing mid and high viscosity naphthenic-base food grade white oils with hydrotreating
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按组成分类:石蜡基原油、环烷基原油和中间基原油三类;
According to the composition of Category : paraffin-based crude oil , naphthenic oil and three types of intermediate base crude oil ;
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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 .
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同时指出,环烷基重质原油是生产低凝润滑油、特种油品和道路沥青的良好原料。
The results indicate that low pouring lube oils , specialty oil products , and road asphalt could be obtained from naphthenic base heavy crudes .
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反应温度较高时,环烷基的脱氢芳构化反应比其开环断碳链裂解的反应速度慢,因而就会有更多的环烷基裂解,生焦率低,轻质目的产品收率高。
When reaction temperature is higher , the former is lower than the latter , thus tar yield is lower and the yields of light products are higher .
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本文就环烷基润滑油馏分性质和各工艺对产品的加工特点进行论述,阐述环烷基原油加工润滑油基础油的工艺特性,对环烷基原油生产润滑油产品具有一定的指导意义。
The properties of naphthenic base lube oil distillates and processing characteristic of products are discussed . It is helpful for producing lube oils with naphthenic base crude oil .