英汉例句

• the testing methods for total nitrogen and the denitrogenation technologies such as acid refining, solvent refining were also reviewed.

  综述了酸精制、溶剂精制等脱除石油产品中氮及各种总氮的测定方法。

• as a large coal-production country, it has great potentialities to develop coal solvent refining industry based on coal materials and characteristics.

  作为煤炭生产大国，就煤取材，因煤制宜地发展溶剂精炼煤工业具有很大潜力。

• this paper reviews the main achievements and conclusions in research of coal chemical structure and characteristics in solvent refining processes in the world.

  本文简要介绍了国内外对煤的化学结构，及其在溶剂精炼工艺中的特性研究的主要成果和结论。

• using solvent refining technique to produce rubber oil from furfural extract oil and catalytic cracking cycle stock was studied.

  采用溶剂精制工艺处理糠醛抽出油、催化裂化回炼油，用以生产橡胶用油。

• in order to fabricate rubber packing oil satisfied with some standards, extract oil, a byproduct during solvent refining of lubricating oil, was refined using n-methyl-2-pyrrolidone(nmp).

  以糠醛为溶剂对抚顺石油一厂减五线馏分油溶剂精制的抽出油进行抽提，制备了橡胶填充油。

• the relation between different factors and refining effects of moisture solvent refining column on s-sbr unit was investigated in this paper.

  研究了溶聚丁苯橡胶（s-sbr）装置湿溶剂精制塔的精制效果与不同因素之间的关系。

• study on the performance comparisons of hydroisomerization dewax base oil and solvent refining base oil;

  生产高质量基础油的重点是开发自主知识产权的加氢裂化、异构脱蜡技术。

• a premium lube base oil having viscosity index higher than 120 was produced by the solvent refining combined with the hydro-upgrading using an intermediate base feedstock.

  以中间基原油为原料，采用润滑油溶剂精制与加氢改质组合工艺，生产出粘度指数大于120的高级润滑油基础油。

• pros and cons as well as the effect of upgrading inferior fcc gas oils by caustic treating, hydrotreating, middle pressure hydro-upgrading and solvent refining etc.

  分析了采用堿精制、加氢精制、中压加氢改质和溶剂精制等技术对催化裂化劣质柴油改质的利弊及其效果。

• at the same time, two kinds of techniques are compared, indicating that kt solvent refining technique is superior to furfural refining technique.

  同时对这两种工艺进行比较，结果表明，kt液溶剂精制工艺优于糠醛精制工艺。

• the comprehensive utilization of extract oil from solvent refining vgo no. 5 is studied by two methods.

  以润滑油溶剂精制后的抽出油为原料，对其综合利用进行了研究。

• pros and cons as well as the effect of upgrading inferior fcc gas oils by caustic treating, hydrotreating, middle pressure hydro-upgrading and solvent refining etc. were analyzed.

  分析了采用堿精制、加氢精制、中压加氢改质和溶剂精制等技术对催化裂化劣质柴油改质的利弊及其效果。

• in solvent refining practice, that portion of the oil which remains undissolved and is not removed by the selective solvent.

  在溶剂精制过程中不被选择性溶剂溶解和脱除的那部分油。