petroleum hydrocarbon
collocation in Englishmeaningsofpetroleumandhydrocarbon
These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withpetroleumorhydrocarbon.
petroleum
noun[U]
uk/pəˈtrəʊ.li.əm/us/pəˈtroʊ.li.əm/
a dark, thick oil obtained from under the ground, from which various substances including petrol, paraffin, and diesel oil ...
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hydrocarbon
noun[C]
uk/ˌhaɪ.drəʊˈkɑː.bən/us/ˌhaɪ.droʊˈkɑːr.bən/
a chemical combination of hydrogen and carbon, such as in oil ...
See more athydrocarbon
(Definition ofpetroleumandhydrocarbonfrom theCambridge English Dictionary© Cambridge University Press)
Examplesofpetroleum hydrocarbon
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.
Vertical patterns of hydrocarbon contamination suggest that permafrost with relatively low moisture content reduces but does not completely limit vertical mobilisation of petroleum hydrocarbons.
From theCambridge English Corpus
Equilibrium distribution of petroleum hydrocarbons in freezing ground.
From theCambridge English Corpus
Past documented laboratory measurements have shown movement of petroleum hydrocarbons to the freezing front in contaminated freezing soils.
From theCambridge English Corpus
Subsurface fate of spilled petroleum hydrocarbons in continuous permafrost.
From theCambridge English Corpus
Hydrologic and microbiological factors affecting persistence and migration of petroleum hydrocarbons spilled in a continuous-permafrost region.
From theCambridge English Corpus
Chuvilin and others (2001) used laboratory column studies to show how petroleum hydrocarbons are excluded to the leading edge of the freezing front during top-down freezing.
From theCambridge English Corpus
One of the biggest problems facing ongoing monitoring during in situ remediation of petroleum hydrocarbons is the need to revisit remote sites to measure parameters indicative of remediation.
From theCambridge English Corpus
These suggest that shipping then accounted for perhaps one-third of the total input of petroleum hydrocarbons.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Total petroleum hydrocarbons, which can include several chemicals, also showed elevated levels.
From
Wikipedia
Eight soil samples showed the existence of total petroleum hydrocarbons in levels ranging from 20 to 9,000 parts per million.
From
Wikipedia
This is important, for example, in evaluating the significance of metal andpetroleumhydrocarboncontaminants, which are detoxified or degraded by natural processes in more temperate environments.
From theCambridge English Corpus
Practically all of the research and development on production of protein frompetroleumhydrocarbonderivatives has been undertaken by industrial companies.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Becausepetroleumhydrocarbonproducts are complex mixtures of chemicals, risk assessments for these products, in general, focus on specific toxic constituents.
From
Wikipedia
Some of these sites are where the storage or use of petroleum hydrocarbons was likely to have been common when the station was inhabited.
From theCambridge English Corpus
Sampling of soil and water for an assessment of contamination by heavy metals and petroleum hydrocarbons was also carried out.
From theCambridge English Corpus
The residual total petroleum hydrocarbons present at the site were unresolved complex material.
From theCambridge English Corpus
Similarly, spillage or dumping of petroleum hydrocarbons and other chemicals are also known to have occurred.
From theCambridge English Corpus
Contamination of soil and water at the old station by petroleum hydrocarbons, however, requires further investigation and possibly remedial action.
From theCambridge English Corpus
In general, high levels of petroleum hydrocarbons were found only at sites where fuel was frequently handled, such as vehicle workshops and fuel storage tanks.
From theCambridge English Corpus
Heavy-metal contamination may also be associated with spilt or burnt petroleum hydrocarbons.
From theCambridge English Corpus
The quantity of soil contaminated by petroleum hydrocarbons in the vicinity of the powerhouse, however, was estimated to be between 200 and 600 tonnes.
From theCambridge English Corpus
To assess the extent and intensity of contamination within the station area, soil and water samples were collected and analysed for petroleum hydrocarbons and heavy metals.
From theCambridge English Corpus
Temperature and nutrient effects on biodegradation of petroleum hydrocarbons in cold soils and ground water.
From theCambridge English Corpus
Thermally enhanced bioventing of petroleum hydrocarbons in cold regions.
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.
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