| 单词 | cementation |
| 释义 | cementation noun[U] geologyspecializeduk/ˌsiːˌmenˈteɪ.ʃən/us/ˌsiːˌmenˈteɪ.ʃən/theprocessby whichsolidmaterialthat has beendissolvedinwaterstickstogether toformrockwhen thewaterevaporates(=changesto agas) 胶结Geology - general words
cementation| American Dictionarycementation noun[U] us/ˌsiˌmenˈteɪ·ʃən/earth science theprocessby whichsolidmaterialthat has beendissolvedinwaterstickstogether toformrockwhen thewaterevaporates(=changesto agas) Examplesofcementationcementation These smallest fabric elements most likely are formed by the earlycementationof a complex consortium of mat-building cyanobacteria, heterotrophic bacteria and eucaryotic algae. From theCambridge English Corpus Only one of the socalled 'cement-like' bands is laterally extensive, and other 'cement-like' bands are localized due to groundwatercementation. From theCambridge English Corpus Cementationseems to have occurred after considerable compaction, since adjacent grains are frequently in contact, with the syntaxial growth infilling corners between grains. From theCambridge English Corpus A method which played a significant role in the development of the concept of the chemical compound, was the extraction of copper throughcementation. From theCambridge English Corpus Loose packing of framework grains shows that quartzcementationwas initiated prior to major compaction but probably continued until relatively recent times. From theCambridge English Corpus Conglomerates show a low to medium degree ofcementation. From theCambridge English Corpus Presumably, as deformation continues, new fracture pathways develop, replacing those which become sealed bycementationand pressure solution. From theCambridge English Corpus The carbonatecementationas well as the carbonate in the cavities is derived from local circulation of hydrothermal fluids. From theCambridge English Corpus Magnetic-susceptibility and gamma-ray values for this lithology are variable and partly depend on the degree ofcementation. From theCambridge English Corpus The origin of large-scale quartzcementation: evidence from large data sets and coupled heat-fluid mass transport modelling. From theCambridge English Corpus Fixing resulted from the processes of trapping and binding of traction-transported sediments, and earlycementation. From theCambridge English Corpus Milky quartz and trace ankerite showing several phases of brecciation andcementationassociated with the major phase of fault activity. From theCambridge English Corpus In such an increasingly siliciclastic environment the number of topographic relief-developing structures is limited as the mobility of the sea-bottom increases and the potential for earlycementationdecreases. From theCambridge English Corpus I was a little disappointed that there was no discussion of the need for integrated scanning cathodoluminescence imagery, especially to reveal the extent of silica graincementationin sandstones. From theCambridge English Corpus This is thecementationof reaction for ever. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 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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