查询词典 paraffins

Based on the new correlations for fusion enthalpy,solid-solid transition enthalpy and solid-solid transition temperature of paraffins established in this work,a good calculation results as well as the reliability and precision of the models are demonstrated through a comparison calculation for three examples in the literature.

基于新建立的正构烷烃的熔解焓、固-固转换焓以及固-固转换温度的关系式，采用本文两个模型对文献中含蜡原油体系的析蜡点以及不同温度下的析蜡量进行了计算并与文献中模型的预测结果进行了比较，结果表明本文所建立的模型，特别是UNIQUAC局部组成模型的模拟结果更加接近于实验值，从而验证了本文模型的可靠性和正确性。

The low-molecular-weight paraffins and olefins, as found in natural gas and refinery gases, and the simple aromatic hydrocarbons have so far been of the most interest because it is these individual species that can readily be isolated and dealt with.

大量化合物都有望得到、其中许多化合物正在生产。目前我们正在探索如何从石油的重质馏分中提炼数量可观的产品。

The low-molecular-weight paraffins olefins, as found in natural gas refinery gases, the simple aromatic hydrocarbons have so far been of the most interest because it is these individual species that can readily be isolated dealt with.

迄今为止，人们最感兴趣的是从天然气和炼厂气中所得到的低分子量石蜡和稀烃，以及简单芳烃，因为8 Tt t 8。 com 这些物质能够 SSBBww 进行迅速分离和处理8tTt8。

At the time of the announcement, Dover and Pioneer indicated that the Cornwall Chlorinated Paraffins plant will be closed and that Dover plans to supply Pioneer customer's from Dover's existing plants in Dover,OH and Hammond, IN.

在宣布购买消息时，多佛和先锋公司都指出，将关闭康沃尔氯化蜡厂，多佛公司计划在目前的俄亥俄厂和印第安纳州哈蒙德市的厂为先锋公司已有的客户供货。

10 A paraffin base crude is an oil whose chief components are paraffins, and which completely distilled, leaves a solid residue of wax.

答案：石蜡质原油主要成分是石蜡，这种油被蒸馏后剩下的是蜡状物的残渣。

Base upon the floccules formation in hydrotreated base oil (KH150BS) at low temperatures of Karamay Petrochemical Company,the carbon number distribution and composition of n-paraffins in the floc- cules were analyzed,their relative molecular weights were also measured,and the impact of floccules on the properties of hydrotreated base oil was investigated.

针对中国石油克拉玛依石化分公司150BS光亮油在低温下产生絮状物的情况，分析了絮状物中正构烷烃的碳数分布和组成，测定了絮状物的相对分子质量，考察了絮状物对150BS光亮油性能的影响。

Preliminary work has shown that a fixed bed recycle adsorption process appears to be a promising technique for the removal of aromatics from the straight-run kerosine and the liquid paraffins.

前阶段的工作表明，采用固定床循环吸附方法，脱除直馏煤油及其液体蜡中芳香烃是有工业化前途的。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐