查询词典 boiling range

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Modern refining techniques produce solvents with a high degree of purity and stability in a wide range of grades and boiling points.

现代炼油技术可生产各种高纯度和高稳定性的溶剂，并有多种牌号及很宽的沸点范围。

As per Fahrenheit: Under the standard atmosphere pressure, the melting point for ice is 32 degree while the boiling point for water 212 degree, so the scale is evenly divided into 180 degrees in this range.

华氏温标规定：在标准大气压下，冰的熔点为32度，水的沸点为212度，中间划分180等份每等份为华氏1度符号为℉。

The possibility is studied for producing bean extractive solvent oil boiling range of 60～90℃with the aromatic raffinate of splitting light-end products.

研究了轻烃裂解的芳烃油余油生产大豆抽提溶剂油（60～90℃馏分）的可能性。

They are available in three boiling range s with varying volatility.

我们可提供三种馏程范围、具有不同挥发性的产品。

According to the boiling range, solvent oils can be divided into three categories: hydrocarbos solvent, such as the 6＃ oil extraction solvent, boiling range for 60-90 ° c; alkanones in solvent, such as rubber solvent naphtha, boiling range of 80-120 ° c; high-boiling solvent, such as oil paint solvents, boiling range for 140-200 ° c, in recent years the widely-used ink solvent naphtha, the stem is up to 300 ° c.

按沸程分，溶剂油可分为三类：低沸点溶剂油，如6＃抽提溶剂油，沸程为60-90℃；中沸点溶剂油，如橡胶溶剂油，沸程为80-120℃；高沸点溶剂油，如油漆溶剂油，沸程为140-200℃，近年来广泛使用的油墨溶剂油，其干点可高达300℃。

Light straight run gasoline, lower-boiling range distillates and other non-hydrotreated fuels ("sour stocks") contain sulfur compounds such as mercaptans, that must be removed ("extraction/sweetening") to avoid problems with odor and corrosion, or prior to catalytic reforming and catalytic alkylation processes.

轻质直馏汽油、低沸点蒸馏油和其它未经加氢处理过的燃油含有硫醇类硫化物，须采取措施将其去除以免引起异嗅或腐蚀问题，或者须在催化重整和催化烷基化反应工序之前将其脱除以避免毒化催化剂。

It first uses the product drawing plate temperature from the crude distillation column and its oil partial pressure to calculate the whole boiling range of the side products, and utilizes the Packie curve method to calculate the separation accuracy between the fractions, and thus building the process mechanism based qualities on—line calculation models.

并首次使用原油蒸馏塔产品抽出层温度及其油气分压来计算各侧线产品的全馏程，还利用Packie曲线法来计算各馏分油之间的分离精度，从而建立了基于工艺机理的质量在线计算模型。

Aromatic solvent naphtha was obtained by two-stage synthesis from C9 fractions from ethylene cracking with boiling range of 100~200℃ in the presence of Lewis acid as catalyst.

以沸程在100~200℃乙烯副产C9馏分为原料，进行了以Lewis酸为催化剂的两段聚合法制备芳烃溶剂油工艺的研究。

This article has described the technology to prepare aromatie solvent naphtha by use of the C9 fraction (100-200℃ boiling range) as raw material, few is acid as catalyst, through a cationic polymerization.

本文介绍了利用沸程在100~200℃间的C9馏分为原料，以Lewis酸作为催化剂，进行阳离子聚合反应制备芳烃溶剂油的工艺。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失