| 单词 | ethylene |
| 释义 | ethylene noun[U] chemistryspecializeduk/ˈeθ.əl.iːn/us/ˈeθ.ə.liːn/agaswith aslightlysweetsmellthatburnseasily, used inindustryand to makefruitripe(=readytoeat) 乙烯（一种无色而略带甜味的易燃气体，用于工业生产或催熟水果）Synonym ethenespecialized Chemical elements
ethylene| American Dictionaryethylene noun[U] us/ˈeθ·əˌlin/(alsoethene,us/ˈeθ·in/)chemistry acolorlessgaswith aslightlysweetsmellthatburnseasilyand is often used inindustry ethylene| Business Englishethylene noun[U] uk/ˈeθɪliːn/usNATURAL RESOURCES acolourlessgaswith aslightlysweetsmellthatburnseasily, used inindustry: ethylenegas/glycol ethyleneproduction Examplesofethyleneethylene Non-dormant seeds were at least 50-fold more sensitive toethylenethan the dormant ones. From theCambridge English Corpus The data available on zygotic embryogenesis suggest an association of theethylenebiosynthetic pathway and seed maturation. From theCambridge English Corpus The thickness of the silique, an organ that does not produceethylene, may have a key role in controlling the gas concentration during maturation. From theCambridge English Corpus The majority, if not all, of the species evaluated have seeds that produceethyleneprior to, or concomitant with, radicle protrusion. From theCambridge English Corpus A brass plate formed the roof of the container and was cooled by pumping a mixture ofethyleneglycol and water through its interior. From theCambridge English Corpus It is, therefore, tempting to ascribe more rapid completion of germination to an ethyleneinsensitive testa developing in anethylene-insensitive environment. From theCambridge English Corpus Several steps are potentially mutagenic, such as exposure to high cytosolic concentrations ofethyleneglycol, and the extreme dehydration that is a requisite for vitrification. From theCambridge English Corpus This may result in the localized build-up of seedling-produced contaminants, such asethylene, or changes in metabolic gas levels. From theCambridge English Corpus Both amino acids contribute the carbon atoms forethyleneformation. From theCambridge English Corpus This type of phosphorelay signalling, which is likely to function via histidine protein kinases, involves signal receptors forethylene, cytokinins, light and osmolarity. From theCambridge English Corpus This demonstrates that the endocarp is permeable toethyleneand does not interfere withethyleneproduction by the seed. From theCambridge English Corpus In addition, there is direct evidence thatethyleneis important for normal seed development in tobacco. From theCambridge English Corpus Differences in post-thawing survival between ovine morulae and blastocysts cryopreserved withethyleneglycol or glycerol. From theCambridge English Corpus In the postgerminative period the activity of the last step ofethylenebiosynthesis decreased. From theCambridge English Corpus The relationship betweenethyleneand increased osmotic potential is not well understood. 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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