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- Testing methods for kinematic viscosity and calculating method for viscosity index of crude oil and petroleum products 原油及石油产动粘度试验方法及石油产品黏度指数计算方法
- Kinematic viscosity index 运动粘度指数
- The unit of kinematic viscosity is the stoke. 运动粘度单位是沲。
- A larger kinematic viscosity of the fuel also augments oxidant’s Peclet number to improve the performance. 而增加阳极燃料动黏滞系数时,阴极氧化物之裴立数也将增加,因此性能也较佳。
- Can transport gasoline, kerosene, diesel and kinematic viscosity of 300% in Sri Lanka following the various lubricants. 可输送汽油、煤油、柴油和运动粘度在300厘斯以下的各种润滑油。
- The effects of shearing rate and molecular weight of PAM and the concentration of PAM solution on kinematic viscosity were discussed. 探讨了剪切速率对动力粘度的影响,以及聚丙烯酰胺分子量和溶液浓度对动力粘度的影响。
- When the middle liquid layer is a high kinematic viscosity liquid, such as neutral paraffine, the viscous force greatly affects the adhesion characteristics. 当中间层为粘性液体如石蜡基中性油时,粘滞力对粘着特性的影响较大;
- Viscosity Index(VI) An arbitary scale used to show the relative magnitude of viscosity changes with temperature. 粘度指数(VI)表明粘度随温度变化相对程度的经验量值。粘度指数越高的油品,其粘度随温度的变化量就越小。
- The uncleanness of diesel oil tanks will result in decreasing the flashing points of oil products, forming inpurity, and influencing the kinematic viscosity. 柴油储罐不清洁,全造成油品闪点降低,生成杂质,影响运动粘度。
- When the liquid layer is a low kinematic viscosity liquid, such as deionized water, the surface energy of the liquid layer strongly affects the adhesion characteristics. 当中间层为小粘度的液体如去离子水时,液体的表面能会对粘着特性有显著影响。
- The high temperature detergency of the engine oil was worse after adding the viscosity index improve... 而在油品中加入粘度指数改进剂会使油品的高温清净性变差,非分散型粘度指数改进剂的负面影响更大。
- Made of high viscosity index and deeply refining base oil, import composited agent,and the ceramic composite of lubrication factor. 采用深度精制高粘度指数基础油和进口复合剂,复合陶瓷合金润滑因子调制而成。
- Among them, the mild hydrotreating process is capable of both enhancing viscosity index and improving oxidation stability of the oils. 其中润滑油缓和加氢处理工艺既能适当提高油品的粘度指数,又能改善其氧化安定性。
- The hydrocracking tail oil possesses the characteristics of higher viscosity index,pour point,viscosity and lower sulfur,nitrogen,impurity content. 加氢裂化尾油粘度指数高,低硫、低氮、杂质含量少,倾点和粘度偏高。
- Finally, selection methods of viscosity index improver through diesel jet nozzleand long time FZG experiments has been suggested. 提出筛选粘度指数改进剂要经过柴油喷嘴和长时间FZG测试的建议。
- The effect mechanism of thermal history of the melt on the phase formation of the rapidly solidified Al Fe based alloys and the phenomenon of which the melt kinematic viscosity dur... 有效地解释了熔体热经历对快凝铝铁基合金中相形成的影响机制,以及长期以来不易理解的、加热过程中熔体的运动粘度比冷却过程中熔体的运动粘度为小的现象。
- Two kinds of product standards of OCP viscosity index improver constituted separately by SINOPEC and PetroChina in different ages are compared. 对中国石化和中国石油两大集团公司在不同时代所制定的两个乙丙共聚物粘度指数改进剂产品标准做了比较说明。
- The studies on producing high viscosity index (HVI) lube base oils from nonlube crudes by hydroprocessing were presented. 介绍加氢工艺技术对非润滑油型原油生产高粘度指数基础油的探讨。
- Through this method, the base oil yield is over 45 %, and viscosity index is 100.It contains low sulfur, low nitrogen and low aromatics. 用此种方法所得到的基础油收率在45%25以上,粘度指数100,含硫、氮、芳烃等杂质较少,降凝效果较好,有良好的工业应用前景。
- Viscosity index(VI) An arbitary scale used to show the relative magnitude Of viscosity changes with temperature. Higher VI oils have less change in viscosity with temperature. 粘度指数(VI)表明粘度随温度变化相对程度的经验量值。粘度指数越高的油品,其粘度随温度的变化量就越小。