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烷烃

na.alkane; paraffin
网络alkanes; HFA; Paraffins

烷烃

英-汉网络释义

烷烃

alkane

My Workbench ... 同系物 homo1og 烷烃 alkane 物质的量 amount of substance ...

alkanes

核心提示：第一章有机化合物的结构与性质第二章烷烃（Alkanes）第三章烯烃（alkenes）第四章炔烃二烯烃红外光谱第 …

paraffin

消防专业词汇英语翻译(P-Z) ... paraffin wax 石蜡 paraffin 烷烃 parallax 视差 ...

HFA

适合氟代烷烃（HFA）或氟氯化碳（CFC）作为抛射剂；可以提供一系列内涂层罐；

Paraffins

现场钻录井词汇-石油专业英语-石油人论坛 ... ? Hydrocarbon （烃） ? Paraffins (烷烃) ? Peak （峰值） ...

Hydrocarbon

科技英语单词_百度文库 ... P24 Elements (元素) hydrocarbon 烷烃 nitrogen 氮 ...

NMHC

1、甲烷烃(NMHC)通常是指除甲烷以外的所有可挥发的碳氢化合物(其中主要是C2～C8)，又称非甲烷总烃。大气中的NMHC超 …

Naphthene

77.(1)环状烷烃(Naphthene)的碳原子数最少要有几个碳？　(1)3个　(2)4个　(3)5个　(4)6个。

例句：

The result showed that among the lipid substances we extracted, most compositions which had stronger antimicrobial activities are alkanes .

结果表明，抗菌活性较强的物质中大多是烷烃类物质。

The HFA inhalers also have encountered resistance because some asthmatics insist that they do not work as well as the CFC variety.

但氢氟烷烃式吸入器也同样遭遇阻力，因为有些气喘患者坚信它的效果不如氟氯碳化物式产品。

Chemical fossils (e. g. alkanes and porphyrins ) are often the only evidence for life in rocks of PRECAMBRIAN age.

化学化石（烷烃和卟啉）是前寒武纪地层中生命存在的唯一证据。

That means each of its molecules contains an oxygen atom as well as the carbon and hydrogen found in an alkane .

就是说每个分子也都含有氧原子以及在烷烃中存在的碳和氢。

It concluded that there is a liner relation between the physical chemical properties of alkanes and effective length of carbon chain .

研究表明，链烷烃的许多物理化学性质与有效碳链长度成线性关系。

The contacting is carried out at a temperature and pressure and for a length of time sufficient to produce the fluoroiodoalkane compound .

一定温度和压力下接触一定时间，该温度和时间足以制得氟碘烷烃化合物。

Synthesizing very long alkanes is not trivial, especially in the quantities and purities required to put these simulations to the test .

合成很长的烷烃并不轻松，尤其是达到实验所需要的数量和纯度。

And Virent, based in Madison, Wisconsin, is making alkanes out of sugars using a chemical, rather than a biological, process .

威斯康辛州麦迪逊的 Virent 正通过一种化学、而不是生物的过程从糖中提取直链烷烃。

Its chemical properties are similar to those of alkanes , but its molecule is in the form of closed ring .

其化学性质与烷烃相似，但其分子是闭环形式。

The addition of alkyl groups to PAHs enhances the carcinogenic potential of these compounds .

烷烃加在多环芳烃上的系列会提高这些化合物的致癌作用。

Esters are the major components , the other chemical constituents were alkane , acids, alcohol, aldehyde and ketone .

主要成分为酯类化合物，同时鉴定出烷烃类、酸、醇、醛、酮类化合物。

The paraffin wax is mainly mixed by the straight -chain paraffin , with long-term stability performance of physical and chemistry characters.

石蜡主要由直链烷烃混合而成，物理和化学性能长期稳定；

The distribution pattern of the carbon isotopic compositions of the individual n-alkanes shows almost no change during this process.

同时也证明了生排烃过程不影响正构烷烃单体碳同位素组成曲线的形状；

Two part of this thesis has focused on studied the synthesis of bisindolymethanes and acetals catalyzed by pyridinium tribromide.

本论文分为两部分，主要是研究三溴吡啶作为催化剂合成双吲哚烷烃和及缩醛化合物。

Ethylene can also be turned into alkanes, a class of hydrocarbons that are a component of gasoline .

乙烯还可以转变成烷烃 ——是石油中含有的一种碳氢化合物。

Conclusion The main components of the volatile oil were firstly analyzed and most of them were esters and alkanes .

结论首次对林下参的挥发性成分进行了分析，含量较高的主要是酯类和烷烃。

Technically, it is not ordinary diesel , either: in chemist-speak, it is an isoprenoid rather than a mixture of alkanesand aromatics .

从技术上讲，它并不是普通的柴油，从化学家的角度来讲，它是一种类异戊二烯而不是烷烃和芳香烃的混合物。

Unbranched hydrocarbons having one double bond are named in the IUPAC system by replacing the ending -ane of the alkane name with -ene.

在系统命名法中，直链的、有一个双键的烃可通过将其相应烷烃名字的词尾 –ane 改换为 -ene 而得。

In conversion comparison method , the leak is found by looking at the naphthene conversion.

转化率比较法是根据特定环烷烃的转化率来判断；

The boron compound and iodine source are combined with reactants of a fluoroalcohol and an alkylene oxide in the presence of a base .

所述含硼化合物和碘源在碱的存在下与氟代醇反应物和环氧烷烃反应物混合。

The fewer average carbon number of n paraffin in diesel is, the lower cold filter plugging point is.

柴油中正构烷烃的平均碳数减少，冷滤点越低。

Any of three colorless , flammable isomeric hydrocarbons, C5H12, derived from petroleum and used as solvents .

戊烷有三种同分异构体的无色可燃烷烃，c5h12 ，从石油中提炼，可用做溶剂。

Measurement of feed intake of grazing sheep was Conducted by a method using alkane in different seasons.

用饱和烷烃法对不同牧草时期放牧奶牛的采食量进行了测定。

The hydrocarbon oil composition is divided into alkanes, cycloalkanes, aromatics .

原油中的烃类成分主要分为烷烃、环烷烃、芳香烃。

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