| 单词 | polycyclic |
| 释义 | BETA Examples ofpolycyclicDictionary> Examples ofpolycyclic polycyclicisn’t in the Cambridge Dictionary yet. You can help! Add a definition There is strong evidence for significantly heavier organic molecules, particularlypolycyclicaromatics, although precise identification of individual species has not yet been obtained. From theCambridge English Corpus Large carbonbearing molecules (such aspolycyclicaromatic hydrocarbons, fullerenes and unsaturated chains) are also thought to be present in the interstellar medium. From theCambridge English Corpus Tholins, which containpolycyclicaromatic and aliphatic hydrocarbons, exhibit these color properties. From theCambridge English Corpus Obviously such a group ispolycyclic. From theCambridge English Corpus From the astronomical point of view, aromatic compounds (in the form of amorphous carbon andpolycyclicaromatic hydrocarbons) are the most abundant carbonaceous material in space. From theCambridge English Corpus Polycyclicaromatic hydrocarbons, a group of molecules consisting of a number of fused benzene rings, are major environmental contaminants. From theCambridge English Corpus Panels of highly specific antibodies could be made against a plethora of natural or synthetic biomarkers, for example stereoisomers of amino acids, nucleotide analogues, lipids, polysaccharides andpolycyclicaromatic hydrocarbons. From theCambridge English Corpus Organic matter formed from hydrolysis of metal carbides thepolycyclicaromatic hydrocarbons, but it cannot be employed to explain the formation of much more complex organic molecules. From theCambridge English Corpus These oils contain certain quantities ofpolycyclicaromatic hydrocarbons, which are classified as carcinogenic, mutagenic and reprotoxic substances, as well as persistent organic pollutants. FromEuroparl Parallel Corpus - English Over a period, the water combines with the coal tar pitch to produce chemicals known aspolycyclicaromatic hydrocarbons. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 So in fact are those which we know to be carcinogenic—thepolycyclichydrocarbons. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Among solvable groups, thepolycyclicgroups are characterized by the property that any subgroup of apolycyclicgroup is finitely generated. From theCambridge English Corpus The topics covered include discussion of technology transfer issues, bioremediation of chlorinated volatile organic compounds, and alkylbenzene andpolycyclicaromatic hydrocarbons. From theCambridge English Corpus I have already referred topolycyclicaromatic hydrocarbons. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Polycyclicaromatic hydrocarbons, which are linked to cancer, are to be found in the coal tar lining of many of the older water supply pipes. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 I do not think that there would be much dispute thatpolycyclicaromatic hydrocarbons are carcinogenic—they cause cancer. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 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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