Developed in the 1930s, these halogenated hydrocarbons were widely used as refrigerants and aerosol propellants and in other applications because they are nontoxic and nonflammable and readily evaporate and condense.

1930年代发展起来的氯氟烃，在第二次世界大战后得到广泛的应用。这些卤代烃因无毒、不燃和容易由液体转变为气体，已广泛使用。

Nappar fluids are a unique range of high purity naphthenic hydrocarbons developed by ExxonMobil Chemical to meet environmental and toxicological concerns facing many conventional solvents.

Nappar溶剂是高纯度环烷烃的独特系列，是埃克森美孚化工专为减少一些传统溶剂造成的环境和毒物影响而开发的。

Not all accumulations of hydrocarbons are necessarily the result of hydrodynamics

并不是所有烃类的储集都必然是水动力的结果。

Needless to say that the reservoir beds must remain buried. If exposed to erosion, the petroleum hydrocarbons may be dissipated.

不用说就该明白，储油气层必须始终保持被覆盖埋藏，如果它露出地表遭剥蚀，石油碳氢化合物便会消散。

Diesel engine emissions--Determination of total hydrocarbons--Hydrogen flame ionization method (HFID)

柴油机排气中总碳氢化合物的测定氢火焰离子化法

A prospective oil field can not be formed unless the scattered drops of petroleum hydrocarbons are migrated and accumulated in certain area.

除非那些岩石中的石油碳氢化合物雾珠发生迁移并在一定的地区聚集起来，否则是不会形成一个有远景的油田的。

Any of a series of hydroxyl compounds,the simplest of which are derived from saturated hydrocarbons ,have the general formula CnH2n+1OH,and include ethanol and methanol.

醇一系列羟基化合物的任一种，其中最简单的一种可从饱合的碳氢化合物中提取，具有化学分子式CnH2n＋1OH，并且包括乙醇和甲醇

Catalytic converter: A device installed in motor vehicle exhaust systems that reduces the emissions of hydrocarbons and carbon monoxide.

催化转化器:装在汽车排气系统上的一种设备，可以减少碳氢化合物和一氧化碳废气的排放。

A large number of hydrocarbons such as benzopyrene are also mutagenic

大量碳氢化合物如苯并芘也是诱变剂。

Any of several carcinogenic or teratogenic heterocyclic hydrocarbons that occur as impurities in petroleum-derived herbicides.

戴奥辛一种致癌或致畸杂环族碳氢化合物，在从石油提取的除锈剂中以不纯物出现

BUNa-N should not be used in highly polar solvents such as acetone and methyl ethyl ketone, nor should it be used in chlorinated hydrocarbons , ozone or nitro hydrocarbons.

丁腈橡胶(BUNa-N)不能在高极性溶剂里使用,如丙酮和甲基·乙基酮;此外,也不能在氯化烃、臭氧或硝基烃中使用。

Any of three gaseous isomeric ethylene hydrocarbons ,C4H8,used principally in making synthetic rubbers.

丁烯乙烯的三种气态同分异构体之一，C4H8，主要用于制造合成橡胶

Metallopenesis, hydrocarbons and tectonic patterns in Eastern Asia

东亚矿成因、碳氢化合物和构造地质学形式

The adsorption studies on ZSM-5 zeolite are generally restricted to lower temperatures. This is mainly due to the fact that most hydrocarbons upon contact with ZSM-5 zeolite undergo reaction at high temperature.

对氮在ZSM-5沸石上吸附的研究一般都局限于低温范围,这主要由于大多数与ZSM-5沸石接触的烃类物质在高温下会发生反应。

determination of polynuclear aromatic hydrocarbons-method using high-performance liquid chromatography

多核芳香烃类的测定-高效液相色谱法

DMSO (dimethyl sulfoxide):Colourless, nearly odourless liquid organic compound. It mixes in all proportions with water, ethanol, and most organic solvents and dissolves a wide variety of compounds (but not aliphatic hydrocarbons ).

二甲基亚:无色无味有机化合物液体，能以任何比例与水、乙醇及大多数有机溶剂混合。

It may involve adding hydrogen at the sites of double or triple bonds (see bonding)to make them single bonds (i.e., to saturate an unsaturated compound; see saturation), or to aromatic compounds to make them cyclic hydrocarbons .

反应中，氢分子可能简单的加在二价或三价键的位置上，变成单价键(即令不饱和的化合物变成饱和);也可能加在芳香族化合物上，成为环烃。

A trademark used for a variety of nonflammable gaseous or liquid fluorinated hydrocarbons employed primarily as working fluids in refrigeration and air conditioning and as aerosol propellants.

氟利昂一种用于一些不可燃气体或液体烷属烃的商标，主要用于制冷、空气调节和推进剂

Fluorocarbon can be used in most applications involving mineral acids, salt solutions, chlorinated hydrocarbons and petroleum oils.

氟塑料可以用在许多领域,包括无机酸、盐溶液、氯化烃和石油。

workpalce air-determination of vaporous aromatic hydrocarbons (charcoal tube/solvent desorption/gas chromatographic method)

工作场所空气-芳香烃蒸汽测定-木炭管/溶剂解吸/气相色谱法

wordplace air-determination of vaporous chlorinated hydrocarbons (charcoal tube/solvent desorption/gas chromatographic method)

工作场所空气-氯化烃蒸汽测定-木炭管/溶剂解吸/气相色谱法

As the name implies, petrochemicals are chemicals made from petroleum, from hydrocarbons found in the latter

顾名思义，石油化工产品是从石油中，从石油的碳氢化合物中提炼出来的化学制品。

Silanes are structural analogs of saturated hydrocarbons (see saturation; alkane)but are much less stable. All burn or explode when exposed to air and react readily with halogens or hydrogen halides to form halogenated silanes and with olefins to form alkylsilanes, products used as water repellents and as starting materials for silicones.

硅烷结构与饱和烃相似，但稳定性差得多。当曝暴露于空气中时均会发生燃烧或爆炸，易与卤素或氢卤化物发生反应，形成卤化硅烷。与烯烃反应，会形成烷基硅烷。其产品常被用作防水剂或硅酮的原始材料。

Experiences with oil spills in marine environments illustrate these principles. When working with dispersed hydrocarbons in the ocean, contact between the icroorganism, the hydrocarbon substrate, and other essential nutrients must be maintained.

海洋采油的经验解释了这些原理。当处理海洋中分散的碳水化合物时,必须保持微生物与碳水化合物和其它必要营养成分的接触。

Unlike carbon monoxide, gaseous hydrocarbons at concentrations normally found in the atmosphere are not toxic

和一氧化碳不一样的是，在空气中常被发现的气体状的浓缩碳氢化合物是无毒的

Like crude oil and natural gas, most petrochemicals consist mainly of carbon and hydrogen and are called hydrocarbons . Petrochemicals used as raw materials (feedstocks)include ethylene, propylene, butadiene, benzene, toluene, xylene, and naphthalene.

和原油和天然气一样，大多石油化学产品主要由碳和氢组成，称为烃。用作原材料的石油化学产品(“给料”)包括乙烯(最大量)、丙烯、丁二烯、甲苯、二甲苯等。

Incense is burnt in many Chinese homes and polycyclic aromatic hydrocarbons have been recovered from incense smoke

很多中国人家里点香，香的烟中已经发现有多环芳香族碳氢化合物。

Ambient air--Determination of total hydrocarbons--Gas chromatographic method

环境空气总烃的测定气相色谱法

Polar solvents (e.g., water)favour formation of ions; nonpolar ones (e.g., hydrocarbons )do not. Solvents may be predominantly acidic, predominantly basic, amphoteric (both), or aprotic (neither). Organic compounds used as solvents include aromatic compounds and other hydrocarbons, alcohols, esters, ethers, ketones, amines, and nitrated and halogenated hydrocarbons.

极性溶剂(如水)偏好离子形态;非极性溶剂(如烃类)则不然。溶剂可以是强酸、强碱、两性(酸碱皆有)或无质子(两者皆无)。有机化合物作为溶剂的有芳香族化合物及其它烃类、醇、酯、醚、酮、胺，还有硝化与氯化的烃类。

Any of three colorless isomeric liquid hydrocarbons ,C10H14,obtained chiefly from the essential oils of cumin and thyme and used in the manufacture of synthetic resins.

甲基异丙基苯三个同质异构的无色液体烃中的任一个，C10H14，主要从小茴香和百里香的基本油中提取，并用于合成树脂的制造业中

wild hydrocarbons

n.高蒸汽压烃类

light hydrocarbons

n.轻质烃类

cyclic hydrocarbons

环状碳氢化合物,环状烃

acyclic hydrocarbons

n.无环烃

natural hydrocarbons

n.天然碳氢化合物

paraffin hydrocarbons

n.烷属烃,链烷烃

nonmethane hydrocarbons

n.非甲烷烃类

paraffinic hydrocarbons

n.链烷烃

convertible hydrocarbons

容易转化的烃类

unsaturated hydrocarbons

n.不饱和碳氢化合物,不饱和烃

high boiling hydrocarbons

n.高沸点烃类

monobranched hydrocarbons

单支链烃

sweetening of hydrocarbons

n.烃类的脱硫,烃类的香化,烃类脱硫

petroleum and hydrocarbons

n.石油和烃类

segregation of hydrocarbons

n.碳氢化合物的分离,烃的分离

lower paraffin hydrocarbons

n.低级烷烃

fischertropsch hydrocarbons

n.费托法合成烃类,费托法合成的烃类

autoxidation of hydrocarbons

n.烃类的自动氧化

identification of hydrocarbons

n.烃类的检定,烃的鉴定

centralization of hydrocarbons

n.季碳原子形成,烃中季碳原子形成

pyrolysis yield of hydrocarbons

n.热解烃产量

naphthalene hydrocarbons in jet

n.喷气式燃料中萘系烃含量

hydrogen content of hydrocarbons

n.烃类中的氢含量

industrial aromatic hydrocarbons

n.工业芳香烃

solid fischertropsch hydrocarbons

n.一氧化碳与氢合成而得的固体烃

particulate matter in hydrocarbons

n.烃类中的粒子物质

solid fischer tropsch hydrocarbons

n.一氧化碳与氢合成而得的固体烃

liquid fischer tropsch hydrocarbons

n.费托法合成液体烃,费托液体烃

pyrolytic conversion of hydrocarbons

n.碳氢化合物的高温转化