polycyclic hydrocarbon

polycyclic hydrocarbon

[¦päl·i′sī·klik ′hī·drə‚kär·bən]
(organic chemistry)
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Ramos and colleagues study molecular and genetic impacts of environmental contaminants--including the polycyclic hydrocarbon benzo[a]pyrene (BaP)--on heart disease and cancer.
Histochemical demonstration of reduced pyridine nucleotide dependant polycyclic hydrocarbon systems.
They cover carbon nanomembranes, the controlled functionalization of graphene by oxo-addends, the chemical synthesis of cycloparaphenylenes, controlled synthesis in chemical vapor deposition graphene, the chemical functionalization of graphene family members, graphene via molecular-assisted ultrasound-induced liquid-phase exfoliation: a supramolecular approach, the solution synthesis of atomically precise graphene nanoribbons, nanodiamonds for biological applications, polycyclic hydrocarbons with an open-shell ground state, and synthesizing and using reactive molecular precursors for preparing carbon nanomaterials.
Aromatic compounds are benzene which includes mono or polycyclic hydrocarbons (PAHs).
Contract award: diagnostic market polycyclic hydrocarbons (hap) in pavements and roads and asbestos in civil engineering buildings and structures in the t9 tramway project linking paris porte de choisy in orly ville.
With reference to figure 1, it is obvious that the two paint brands have comparable levels of the polycyclic hydrocarbons except the case where Phenanthrene is found in Glaxo but completely undetectable in Demcork.
A report by the former National Public Health Service, published in 2003, said: "The [briquettemaking] process generated large amounts of gas, tar, ammonia and other polycyclic hydrocarbons.
A report by the former National Public Health Service, published in 2003, said: "The [briquette-making] process generated large amounts of gas, tar, ammonia and other polycyclic hydrocarbons.
Scientists in Holland found church air was considerably higher in carcinogenic polycyclic hydrocarbons than air beside roads used by more than 45,000 vehicles daily.
The agency has made a series of recommendations: outlawed are shellfish as they collect but do not break down the polycyclic hydrocarbons and therefore represent a particularly sensitive target for pollutants that escaped from the tanker.
For environmental analysis, method or compound group specific GC CARE columns allow unambiguous component identification at low detection limits for various groups of organic pesticides, polycyclic hydrocarbons, volatiles or PCBs.
The professor is engaged in the production of high molecular weight, planar, partially poorly soluble and sublimable and ionic polycyclic hydrocarbons.

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