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词汇 alkane
释义 alkane
noun[ C ]
 chemistry specializeduk /ˈæl.keɪn/ us /ˈæl.keɪn/
any gas in a group that contains only carbon and hydrogen atoms, with the carbon atoms joined together in a simple chain: 链烷,烷烃(单链链接碳氢化合物)
Alkanes, such as butane and methane, are very flammable.丁烷,甲烷等烷烃均为易燃物品。
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alkane | American Dictionary


alkane
noun[ C ]
us/ˈælˌkeɪn/
chemistry
any of a group of substances that contain only the elements carbon and hydrogen, which are held together by a single chemical bond

Examples of alkane


alkane
In this derivation the parameters were adjusted to produce accurate room-temperature enthalpies of vaporization and vapor pressures or densities of a set of solvated alkanes.
Utilizing methanol and ethanol as the primary organic precursors, catalytic reaction products observed include alkanes, branched-phenyl compounds, carboxylic acids, and methyl-esters.
The effects of species and sampling time on alkane concentrations were significant, accounting for 0.912 and 0.067 of the total variance, respectively.
Two methods were developed to dose the even chain alkanes that were used as external markers.
However, there is little published information on the effects of herbage species and animal live weight on faecal alkane recovery rates.
The effect of live weight on alkane recovery should be evaluated before further evaluation of other factors.
Typically, the site variance for odd-chain alkanes was smaller than for even-chain alkanes.
In the present experiment, the effect of sampling site on the alkane patterns was significant while the site variance varied depending on individual alkanes.
Using a least-squares optimization procedure to estimate botanical composition based on the alkanes of plant cuticular wax.
However, few reports were found to evaluate the effects of herbage species and live weight of sheep on faecal alkane recoveries.
Faecal recoveries of alkanes in equids do not appear to show the same influence of carbon chain length that has been observed in ruminant studies.
For odd-chain alkanes, the site variance declined as the carbon-chain length increased.
Faecal recoveries of the alkanes of plant cuticular waxes in penned and in grazing sheep.
As would be expected, the alkane concentrations in faeces were about twice those in the herbage species offered to the wethers.
The response factors for each alkane were calculated from peak areas and the known concentrations with linear calibration curve method.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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