| 词汇 | hydrothermal |
| 释义 | hydrothermal adjective geology specializeduk /ˌhaɪ.drəʊˈθɜː.məl/ us /ˌhaɪ.droʊˈθɝː.məl/ relating to or produced by hot water, especially water that has been naturally heated under the ground: Our hypothesis was supported by the discovery of hydrothermal activity north of Iceland. There is no evidence of an imminent volcanic eruption or hydrothermal explosion. There's nothing unusual happening with the hydrothermal system. Areas of extensive hydrothermal alteration in Scottish granites have been investigated. In recent years, researchers have discovered that hydrothermal environments on Earth are rich in life. Geology - general words aeolian Anthropocene anticline apophysis auriferous biozone carboniferous continental plate geologically geomorphic gully erosion henge Holocene petrographic petrographically petrography petrological petrologically Precambrian rockfall Examples of hydrothermalhydrothermal A sealed subsurface hydrothermal system can be stable, but will trap metabolic waste. Through this practice, pumpkin had a greater influence on the hydrothermal regime of the associated yam before the tubers were harvested. This may indicate that epidote is likely to be generated during the hydrothermal alteration phase. Low-temperature hydrothermal alteration has resulted in partial sericitization of feldspar and chloritization of mafic minerals. Large-scale diffuse hydrothermal circulation thus has to be taken into account when estimating the global potential of the seafloor to support a hydrogen-driven deep biosphere. These molecules and others that are formed from hydrogen may have been important as precursor molecules for the onset of life in hydrothermal systems. Abiotic formation of acylglycerols under simulated hydrothermal conditions and self-assembly properties of such lipid products. A hydrothermal system radically different from the earlier known black-smoker types of system was discovered in 2000. They probably represent remnants of microbial mats that developed on the seafloor during the quiescence periods of submarine hydrothermal activity. This further suggests that volcanic hydrothermal sites are the most likely concentrations of extant life. Why should not thermophilic methanogens, abundant around hydrothermal 'black smokers', infest ocean crust soon after its formation in contact with sea water? Another scenario would be that the organic component was carried and deposited by hydrothermal fluids circulating in the crater after impact. Previous experimental results suggest the potential for abiotic organic synthesis under seafloor hydrothermal conditions. Conversely, under oxidizing conditions they do not form at all or do so only in small amounts in hydrothermal vents or in localized hydrogen-rich regions. The topography and chaotic terrain may favor a hydrothermal aquifer as the original setting where hematite formed. 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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