| 释义 |
paraffins 英'pærəfɪnz美'pærəfɪnz COCA²⁸⁰¹³⁶⁺⁵BNC¹¹⁴⁰²⁴⁺⁵
基本英英例句例句
石蜡¹⁰⁰原型paraffin的复数
名词 paraffin:
from crude petroleum; used for candles and for preservative or waterproof coatingsa series of non-aromatic saturated hydrocarbons with the general formula CnH2n+2British usage kerosineProducts containing aromatics or naphthenes have lower aniline points than products containingparaffins.含有芳烃和环烷烃的产品比含有石蜡的产品的苯胺点相对要高。
Finally, the various production methods of halogenatedparaffinswere briefly introduced.最后对卤化石蜡的生产方法进行了简要介绍。 A survey on advancement of transforming utilization of light paraffins and olefins in the respects of isomerization, dehydrogenation and alkylation is presented in the paper.
介绍了轻质烷烃和烯烃的异构化、脱氢以及烷基化等转化利用的发展概况。 chemyq
Carbon deposits on two Pt- Sn commercial catalysts for the dehydrogenation of paraffins have been studied by temperature programmed oxidationTPO.
利用程序升温氧化、差热分析、热重等方法考察了两种长链烷烃脱氢工业铂锡催化剂表面的积炭特征。 cnki
If suitable conditions can be provided, degradation and selective consumption of microbes for paraffins can be effectively increased, and used for molecular markers of petroleum pollution.
提供适宜条件，可以有效地加强嗜油微生物的降解能力及其对链烷烃的选择性降解。 www.journal.shu.edu.cn
The adsorbents of synthetic graphite which can adsorb both long chain paraffins and polycyclic aromatic hydrocarbons were prepared by the use of high pressure homogenizer.
使用高压匀浆泵制备出具有同时吸附长链正构烷烃和稠环芳烃能力的石墨吸附剂。 cnki
The research developments of n- paraffins hydroisomerization were reviewed.
综述了对正构烷烃临氢异构化反应进行的研究。 dictall
The varieties, properties and applications of the series of halogenated paraffins were summarized.
综述了卤化石蜡系列阻燃剂的品种、性能和用途。 dictall
The paraffins- polystyrene microspheres were synthesized by the method of suspension polymerization.
用悬浮聚合法制备石蜡聚苯乙烯微球。 cnki
Alkeane Carbon Number Distribution of Paraffins;
石蜡碳数分布； chemyq
Brief chlorinated paraffins add colour principle, detail introduce chlorinated paraffins colour in excess of standard specific phenomena analyse add colour in no qualify standard cause and solve way.
概述了氯化石蜡生色的原理，详细介绍了氯化石蜡色泽超标的具体现象，分析了产生色泽不合格的原因及解决的方法。 cnki
Molecular sieves are used in removing traces of water from jet fuel, and in separating n- paraffin hydrocarbons from admixture with iso paraffins, cyclo compounds, and aromatics, etc.
分子筛可用于脱除喷气燃料中的微量水，从正构石蜡烃与异构石蜡烃、环状化合物及芳烃等的混合物中分出正构石蜡烃。 www.infopetro.com.cn
Refinery gases vary in composition but consist largely of hydrocarbons, both paraffins and olefins.
各种炼厂气的组成不同，但都含有大量烃类，包括各种烷烃和烯烃。 www.infopetro.com.cn
Regarding narrow fractions of petroleum as pseudo- normal paraffins, their liquid enthalpies were calculated by the state equation method.
把石油窄馏分作为虚拟的正构烷烃处理，应用状态方程法推算其液体焓值。 cnki
Some coincident catalytic reforming reactions are isomerization of paraffins, cyclization to naphthenes, dehydrocyclization to aromatics, and hydrocracking to lower paraffin hydrocarbons.
一些同时发生的催化重整反应有石蜡烃异构化、环化成环烷烃、脱氢环化成芳烃以及加氢裂化成较小的石蜡烃。 www.infopetro.com.cn
This article summarizes the catalytic activation of the C- H bonds of light paraffins, especially methane, under mild liquid phase conditions.
本文综述了在温和液相条件下的低碳烷烃特别是甲烷的 C- H键的催化活化。 chemyq |