| 词汇 | example_english_petroleum-hydrocarbon |
| 释义 | petroleum hydrocarboncollocation in Englishmeanings of petroleumand hydrocarbonThese words are often used together. Click on the links below to explore the meanings. Or, see other collocations with hydrocarbon or petroleum. 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 ... See more at petroleum hydrocarbon noun[C] uk /ˌhaɪ.drəʊˈkɑː.bən/ us /ˌhaɪ.droʊˈkɑːr.bən/ a chemical combination of hydrogen and carbon, such as in oil ... See more at hydrocarbon Examples of petroleum hydrocarbonThese 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. Equilibrium distribution of petroleum hydrocarbons in freezing ground. Past documented laboratory measurements have shown movement of petroleum hydrocarbons to the freezing front in contaminated freezing soils. Subsurface fate of spilled petroleum hydrocarbons in continuous permafrost. Hydrologic and microbiological factors affecting persistence and migration of petroleum hydrocarbons spilled in a continuous-permafrost region. 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. 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. 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 the Open Parliament Licence v3.0 Total petroleum hydrocarbons, which can include several chemicals, also showed elevated levels. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Eight soil samples showed the existence of total petroleum hydrocarbons in levels ranging from 20 to 9,000 parts per million. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This is important, for example, in evaluating the significance of metal and petroleumhydrocarbon contaminants, which are detoxified or degraded by natural processes in more temperate environments. Practically all of the research and development on production of protein from petroleumhydrocarbon derivatives has been undertaken by industrial companies. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Because petroleumhydrocarbon products are complex mixtures of chemicals, risk assessments for these products, in general, focus on specific toxic constituents. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Some of these sites are where the storage or use of petroleum hydrocarbons was likely to have been common when the station was inhabited. Sampling of soil and water for an assessment of contamination by heavy metals and petroleum hydrocarbons was also carried out. The residual total petroleum hydrocarbons present at the site were unresolved complex material. Similarly, spillage or dumping of petroleum hydrocarbons and other chemicals are also known to have occurred. Contamination of soil and water at the old station by petroleum hydrocarbons, however, requires further investigation and possibly remedial action. 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. Heavy-metal contamination may also be associated with spilt or burnt petroleum hydrocarbons. The quantity of soil contaminated by petroleum hydrocarbons in the vicinity of the powerhouse, however, was estimated to be between 200 and 600 tonnes. 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. Temperature and nutrient effects on biodegradation of petroleum hydrocarbons in cold soils and ground water. Thermally enhanced bioventing of petroleum hydrocarbons in cold regions. 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. Want to learn more? Go to the definition of petroleum Go to the definition of hydrocarbon See other collocations with hydrocarbon See other collocations with petroleum |
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