| 词汇 | cation |
| 释义 | cation noun[ C ] chemistry specializeduk /ˈkæt.aɪ.ən/ us /ˈkæt.aɪ.ən/ in chemistry, an ion (= type of atom) that has a positive electric charge and therefore moves towards the cathode (= negative part of electric cell) during electrolysis阳离子，正离子（带有正电荷的离子，电解反应中向电池阴极移动） Physics: atoms, molecules & sub-atomic particles acceptor alpha particle anti-radical antilepton antimatter antineutrino benzene ring beta decay beta particle hadron Higgs boson interatomic interelectronic interionic molecularly monatomic multi-molecular multiparticle muon positron In such a circle as that delineated, therefore, all the known anions may be grouped within, and all the cations without. The difference might possibly depend upon the arrangement of ions, anions and cations upon two sides of the permeable membrane of a repair cell. Examples of cationcation These algal mats are said to be rich in phosphates, nitrogen, organic matter, and cation-exchange capacity. Integrins include domains that bind divalent cations that are important for receptor-ligand interactions linking extracellular molecules, the actin cytoskeleton and cytoplasmic signaling proteins. Brownian dynamics study of a multiply-occupied cation channel - application to understanding permeation in potassium channels. In both experiments, cumulative mean cation losses between treatments across all leachings were compared graphically. Data were summarized as mean cumulative cation losses from leaching columns of each treatment after each leaching event. 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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