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单词 alkane
释义
alkane
noun[C]
chemistryspecialized
uk
/ˈæl.keɪn/us
/ˈæl.keɪn/
anygasin agroupthatcontainsonlycarbonandhydrogenatoms, with thecarbonatomsjoinedtogether in asimplechain:
链烷，烷烃（单链链接碳氢化合物）
Alkanes, such asbutaneandmethane, are veryflammable.丁烷，甲烷等烷烃均为易燃物品。
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(Definition ofalkanefrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

alkane| American Dictionary

alkane
noun[C]
us/ˈælˌkeɪn/
chemistry
any of agroupofsubstancesthatcontainonly theelementscarbonandhydrogen, which areheldtogether by asinglechemicalbond
(Definition ofalkanefrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofalkane

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.
From theCambridge English Corpus
Utilizing methanol and ethanol as the primary organic precursors, catalytic reaction products observed include alkanes, branched-phenyl compounds, carboxylic acids, and methyl-esters.
From theCambridge English Corpus
The effects of species and sampling time onalkaneconcentrations were significant, accounting for 0.912 and 0.067 of the total variance, respectively.
From theCambridge English Corpus
Two methods were developed to dose the even chain alkanes that were used as external markers.
From theCambridge English Corpus
However, there is little published information on the effects of herbage species and animal live weight on faecalalkanerecovery rates.
From theCambridge English Corpus
The effect of live weight onalkanerecovery should be evaluated before further evaluation of other factors.
From theCambridge English Corpus
Typically, the site variance for odd-chain alkanes was smaller than for even-chain alkanes.
From theCambridge English Corpus
In the present experiment, the effect of sampling site on thealkanepatterns was significant while the site variance varied depending on individual alkanes.
From theCambridge English Corpus
Using a least-squares optimization procedure to estimate botanical composition based on the alkanes of plant cuticular wax.
From theCambridge English Corpus
However, few reports were found to evaluate the effects of herbage species and live weight of sheep on faecalalkanerecoveries.
From theCambridge English Corpus
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.
From theCambridge English Corpus
For odd-chain alkanes, the site variance declined as the carbon-chain length increased.
From theCambridge English Corpus
Faecal recoveries of the alkanes of plant cuticular waxes in penned and in grazing sheep.
From theCambridge English Corpus
As would be expected, thealkaneconcentrations in faeces were about twice those in the herbage species offered to the wethers.
From theCambridge English Corpus
The response factors for eachalkanewere calculated from peak areas and the known concentrations with linear calibration curve method.
From theCambridge English Corpus
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.
#https://dictionary.cambridge.org//dictionary/english/alkane##
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更新时间：2024/12/28 1:08:44