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1.However, the majority of crude oils, and this applies to the heavier, more viscous petroleums, which are processed by distillation, are usually separated into the lighter fractions (gas, gasoline, naphtha, kerosene, and gas oil) and the bottom or, as it is more generally called, the reduced crude.
但是，经过蒸馏处理的大多数原油，包括比重较大、粘度更大的原油，一般都分离为较轻组分(气、汽油、粗汽油、煤油和粗柴油)和残渣，或者更多称作常压重油。收藏指正
2.The dynamic characteristics of evaporation process for naphtha and crude oil were researched in three aspects of different wind speed, evaporation area and relative location of evaporation surface to ground in wind tunnel.
摘要从环境风速、蒸发面积和蒸发液池与地面相对位置3方面分别对石脑油和原油的蒸发动力学特性进行了风洞实验研究。收藏指正
3.More than one hundred vapour-liquid equilibrium (VLE) constants under pressure in the range of 0.493～1.474 MPa of narrow range cut of straight-run naphtha and kerosene fractions from three Chinese main crude oils were determined by VLE experiment.
进行动态汽-液平衡试验,在压强为0.493～1.474MPa下,测定了我国三种主要原油的直馏汽油,煤油馏分的一百多个窄馏分的相平衡常数。收藏指正
4.Preliminary data-run shows that high aromatics yield (61.04%), high H2 praduction rate (3.69%), and high reformate octane number (RON 98.8) can be realized in this unit by using slraight-run naphtha from Zhongyuan crude oil as feedstock with the domestic 3861 catalyst.
经初步标定表明，以中原直馏石脑油为原料，使用国产3861催化剂能获得较高的芳烃产率（61．04％）、较高的氢气产率（3．69％）和较高的重整汽油辛烷值（RON98．8）。收藏指正
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