| 词汇 | polycyclic |
| 释义 | BETA Examples of polycyclicpolycyclic isn’t in the Cambridge Dictionary yet. You can help! There is strong evidence for significantly heavier organic molecules, particularly polycyclic aromatics, although precise identification of individual species has not yet been obtained. Large carbonbearing molecules (such as polycyclic aromatic hydrocarbons, fullerenes and unsaturated chains) are also thought to be present in the interstellar medium. Tholins, which contain polycyclic aromatic and aliphatic hydrocarbons, exhibit these color properties. Obviously such a group is polycyclic. From the astronomical point of view, aromatic compounds (in the form of amorphous carbon and polycyclic aromatic hydrocarbons) are the most abundant carbonaceous material in space. Polycyclic aromatic hydrocarbons, a group of molecules consisting of a number of fused benzene rings, are major environmental contaminants. 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 and polycyclic aromatic hydrocarbons. Organic matter formed from hydrolysis of metal carbides the polycyclic aromatic hydrocarbons, but it cannot be employed to explain the formation of much more complex organic molecules. These oils contain certain quantities of polycyclic aromatic hydrocarbons, which are classified as carcinogenic, mutagenic and reprotoxic substances, as well as persistent organic pollutants. From Europarl Parallel Corpus - English Over a period, the water combines with the coal tar pitch to produce chemicals known as polycyclic aromatic hydrocarbons. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 So in fact are those which we know to be carcinogenic—the polycyclic hydrocarbons. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Among solvable groups, the polycyclic groups are characterized by the property that any subgroup of a polycyclic group is finitely generated. The topics covered include discussion of technology transfer issues, bioremediation of chlorinated volatile organic compounds, and alkylbenzene and polycyclic aromatic hydrocarbons. I have already referred to polycyclic aromatic hydrocarbons. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Polycyclic aromatic 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 the Open Parliament Licence v3.0 I do not think that there would be much dispute that polycyclic aromatic hydrocarbons are carcinogenic—they cause cancer. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 |
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