| 释义 |
alkanes 英'ælkeɪnz美'ælkeɪnz COCA²⁴³⁰⁹⁸BNC⁵⁴²¹⁴
基本英英例句例句
n.烷类²⁶;链烷烃⁶⁶名词alkane的复数形式⁸.原型alkane的复数
名词 alkane:
a series of non-aromatic saturated hydrocarbons with the general formula CnH2n+2用作名词The effective length of carbon chain ofalkaneswas built up by using the polarizability effective index.利用极化效应指数，构造了链烷烃的有效碳链长度。 An experiment was conducted using gas chromatography to study then- alkanes in No.20 diesel oil, which was degraded by the natural strains of microorganisms from the Bohai Sea.
本文运用气相色谱法，对渤海微生物自然混合菌群降解20号重柴油中的烷烃的能力进行了实验室研究。 cnki
Attention should be paired to solid base support to develop efficiency aromatization catalysts of alkanes.
固体碱是值得进一步研究的链烷烃芳构化催化剂载体。 cnki
That cyclo prefix means that unlike standard alkanes, which come in chains, this one's a ring. The shape gives cycloalkanes a higher melting point.
当“环”这个前缀出现时我们就知道这个烷烃的分子结构不同于普通链状烷烃，他是环装的，因此也有着更高的熔点。 yeeyan
The bacterium’s product, which it secretes like sweat, is a class of hydrocarbon molecules called alkanes that are chemically indistinguishable from the ones made in oil refineries.
据位于马萨诸塞州剑桥的 Joule无限责任制公司介绍，这种微生物的像分泌的糖一样的代谢产物，是一类与炼油厂生产的称为烷类物质相似的碳氢化合物。 yeeyan
The amount percent of alkanes, aromatic hydrocarbon, cycloalkane and chlohydrocarbon reaches 56.1%, which are the most prevalent compounds in indoors air of Hangzhou.
芳烃、烷烃、环烷烃和卤代烃四种污染物的化合物数量百分比之和达56.1%，是杭州居室空气中种类最多的污染物； cnki
The existence of alkanes, aromatic hydrocarbons and aliphatic acids is described, which provides some information on the source of sediments and whether the region is polluted by petroleum.
本文阐述了烷烃、芳烃和脂肪酸的存在与否，可为研究沉积物的来源和所在地区是否受到石油污染提供信息。 cnki
The heat of evaporation for various kinds of alkanes, alcohols, esters and aromatics were determined by gas chromatography.
本文用气相色谱测定了多种烷烃、芳烃、醇类和酯类的蒸发热。 cnki
And Virent, based in Madison, Wisconsin, is making alkanes out of sugars using a chemical, rather than a biological, process.
而 V是一家来自威斯康兴州曼迪逊的公司，使用化学而不是生物工艺从蔗糖中提取烷烃。 ecocn
Change of mole selectivities of alkanes and olefins in products with reaction temperature was investigated.
考察了产物烷烃和烯烃的选择性随反应温度变化的关系。 cnki
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。 yeeyan
For example, the E. coli naturally feeds on some of the fatty acids it produces, rather than using them as a feedstock for producing alkanes.
例如，大肠杆菌以其自身合成的一些脂肪酸为食，而不是以它们为原料来生产烷类。 yeeyan
Moreover, the production process for butanol is more efficient than the processes that produce alkanes;
而且，丁醇的加工过程比生产烷烃更有效率； ecocn
Now researchers at the startup LS9, based in South San Francisco, CA, have described the genes and enzymes responsible for this production of alkanes, the major components of fuels such as diesel.
现在位于南旧金山新创公司 LS9的研究者命名了负责产生烷类的基因和酶，这种烷类燃料的主要成分是柴油。 yeeyan
Such alkanes are the main ingredients of diesel fuel.
这种烷烃是柴油的主要成分。 ecocn
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。 yeeyan
The result shows that the main Volatile organic compounds in decorating materials were alkanes and ester compounds.
结果表明，装饰材料中芳香气味的成分主要为烷烃类化合物和酯类化合物。 cnki
The bacteria secrete the alkanes, which can then by easily collected and used as a fuel.
改造过的细菌能分泌烷类，很容易被收集并可以用作燃料。 yeeyan
They confirmed their discovery by incorporating the genes into E. coli and measuring the alkanes that the bacteria subsequently made.
他们通过将产烷必须的基因植入大肠杆菌并对最终产生的烷进行测量，验证了他们的发现。 yeeyan
Alkanes are resistant to attack by oxidizing agents generally.
烷烃一般对于氧化剂的作用是稳定的。 bab |