| 单词 | compaction |
| 释义 | compaction noun[U] geologyspecializeduk/kəmˈpæk.ʃən/us/kəmˈpæk.ʃən/theprocessby which thepressureonburiedsolidmaterialcausesthematerialtosticktogether andchangetorock 压实Geology - general words
compaction| American Dictionarycompaction noun[U] us/kəmˈpæk·ʃən/earth science theprocessby which thepressureonburiedsolidmaterialcausesthematerialtosticktogether andchangetorock Examplesofcompactioncompaction The increased size and use of machinery introduced soil problems, such ascompaction, and required greater management skill. From theCambridge English Corpus Explosives are now used in such diverse fields as welding, bulk cladding of plates, forming, sizing, powdercompaction, hardening, and cutting. From theCambridge English Corpus The system is expensive of time and energy but produces fine soil aggregates to planting depth with serious risks ofcompactiondeeper in the profile. From theCambridge English Corpus With continuing subduction the pelagic sediments might have been dragged beneath the accretionary prism leading tocompactionand expulsion of large amounts of pore fluids. From theCambridge English Corpus Many structural events are associated withcompaction, including blastomere polarisation, blastomere flattening and gap junction formation. From theCambridge English Corpus This is really not surprising, given that thecompactionmethod pays no attention to the probabilities that play a crucial role in evaluation. From theCambridge English Corpus However, minimum or zero tillage would not be suitable for soils that are susceptible tocompaction, and for highly degraded soils. From theCambridge English Corpus Here we examine the expression profile of uvomorulin at the cellular level, in oocytes and embryos up to and duringcompaction. From theCambridge English Corpus To reducecompactionof moist soil and obviate the need for harrowing to level the fields, controlled traffic is being introduced in rice-wheat systems. From theCambridge English Corpus Thus, good agricultural practice of subsoiling to alleviatecompactionbefore planting is probably the key to mitigating the adverse effects on yield. From theCambridge English Corpus Compactionof the sediment would also result in a reduction of the photic zone. From theCambridge English Corpus Only some small folding at the contact occurs, probably due to differentialcompaction. From theCambridge English Corpus Possible mechanisms underlying the rearrangements which take place both at fertilisation and duringcompactionand experimental decompaction are discussed. From theCambridge English Corpus The possibility therefore exists that the uvomorulinmediated interaction between cells might involve protein phosphorylations and that these are central to the events ofcompaction. From theCambridge English Corpus Many growers respond to problems ofcompactionby top-dressing nitrogen and increasing the amount of irrigation applied. 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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