比如，从沸点较低的组分生产石油产品，就会自动产生一定数量的高沸点产品。
For example, the manufacture of products from the lower boiling portion of petroleum automatically produces a certain amount of higher boiling components.
该公司称这种轮胎可谓极为环保，其组分的80%都是从非石油原料中提取的。
The company says its tyres are among the greenest produced, with 80% of their ingredients derived from sources other than petroleum.
流体的运移性与粘度成反比，石油吸收部分气相组分后粘度降低。
The mobility is inversely proportional to the viscosity, and the viscosity is reduced when the oil takes up gaseous components.
油脂部分依次以石油醚、苯、氯仿、乙酸乙酯、丙酮、乙醇为淋洗剂进行洗脱，利用红外光谱、核磁共振光谱法对所分离组分进行了结构鉴定。
The compositions of grease were eluted with petroleum ether, benzene, chloroform, ethyl acetate, acetone, ethanol and characterized by means of IR and NMR spectroscopy.
热解后，废弃印刷电路板中的有机树脂降解成小分子的石油产品，同时与无机惰性组分的分离。
Pyrolysis, discarded printed circuit boards in the degradation of organic resin into small molecules of petroleum products, and at the same time inorganic inert component of the separation.
以聚醚多元醇、石油沥青、甲苯二异氰酸酯、稀释剂及相溶化助剂等为原料，制备了一种湿固化单组分防水涂料。
A moisture curable one component waterproof coatings was prepared from polyether polyols, petroleum asphalt, toluene diisocyanate, diluent and a compatibility modifier, etc.
铝电解生产中，碳素阳极两组分(石油焦和沥青结焦)的活性差异带来阳极的选择性氧化，是造成碳素阳极过量消耗的主要原因之一。
Selective oxidation of carbon anode in aluminum electrolysis caused by reactivity difference between pitch coke and petroleum coke is one of the main causes for excess carbon consumption.
当石油的轻组分(或挥发分)被迁出或被蒸发即自然地形成沥青。
Asphalt forms naturally when the light components or volatiles of petroleum have been removed or evaporated.
沥青组分试验表明，跟普通石油沥青相比，该种岩沥青的沥青质含量很高而胶质含量较低。
Group analysis of asphalt in BRA suggests that the content of the asphaltine is very high but the pectin content is lower compared with common oil asphalt.
本发明提供了一种石油液体组分脱硫醇用固体催化剂及制备方法。
Disclosed is a solid catalyst used for removal of mercaptans of petroleum liquid ingredients.
本发明涉及一种在石油钻井过程中对井壁起保护作用的井壁稳定剂，按重量百分比该稳 定剂由以下组分组成：膨润土30％-50％；
The invention relates to sidewall stabilizer having protective function on sidewall in oil drilling process, comprising the following components by weight percentage: 30%-50% of bentonite;
介绍了这种单组分石油沥青聚氨酯防水涂料的性能。
The properties of the one component asphalt based polyurethane waterproof coatings were introduced.
在足够低的压力下不含溶解气的石油或失掉挥发组分的稠油或残油即称为死油。
Oil at sufficiently low pressure that it contains no dissolved gas or a relatively thick oil or residue that has lost its volatile components.
石油的组分及各组分的含量都发生了变化：其中一些沸点较高的烃类都降解成了沸点较低的低碳烃类。
And the components and content of oil have all changed: some of hydrocarbons with the higher boiling point are degraded into low-carbon hydrocarbons with low boiling point.
将低辛烷值直馏馏分、热裂化或催化裂化重石脑油改质为高辛烷值组分用于车用或航空燃料调合或石油化工的连续过程。
A continuous process to upgrade low-octane virgin, thermal, or heavy catalytically cracked naphthas into high-octane components for motor or aviation fuel blending or petrochemical usage.
介绍了石油化工科学研究院新近开发的增产柴油催化剂及分段进料的组分选择性裂化的新工艺；
The new catalyst for producing more diesel as well as the new process of component-selective cracking with staged feeding developed by Research Institute of Petroleum Processing were introduced.
根据石油化工组分合并集总的原理，提出了28集总的重整反应动力学物理模型，并与其它文献报导的重整反应模型作了对比。
A 28 lumped kinetk physical model for reforming reaction was established according to the lumping principles of petrochemicals components, and compared with other reported models.
本文提出了一种从镏分恩氏蒸馏数据和总体密度对石油馏分进行假组分切割和物性估算的方法。
A characterization approach for petroleum fractions based on the ASTM distillation data and the overall density has been proposed.
另外，在开工置换阶段，由原来先用燃料气置换改为直接用液化石油气置换，这样不需排放轻组分至火炬，减少了气体损失。
In addition, LPG is now directly used as displacing gas instead of the fuel gas at the start up period, and no light component exhausts to the flare system, so the gas loss is reduced.
石油中所含的各种碳氢化合物具有各不相同的沸点，因此可以根据沸点的不同将组分分离开。
The different hydrocarbons present in petroleum have different boiling temperatures, and the fractions can therefore be isolated according to their boiling temperatures.
本文利用在上部分（《石油学报》1988第一期）中建立的化学驱组分模型，对多种情况下的化学驱油算例进行了模拟计算。
This paper presents the results of chemical flooding simulation for different situations by using the model established in the preceding part (No. 1,1988).
而且与游离的石油降解菌相比，固定化石油降解菌降解后的石油各组分相对要低。
And compared to the free bacteria, after degrading its content of oil are relatively lower.
从作用时间上看，石油醚组分作用时间最短，乙酸乙酯组分次之；
The petroleum ether extract gave 100% mortality in shortest time followed by ethyl acetate extract.
不同组分石油烃降解菌的筛选。
The study contents include :1. Screening of petroleum-degrading bacteria.
不同组分石油烃降解菌的筛选。
The study contents include :1. Screening of petroleum-degrading bacteria.
应用推荐