| 单词 | ion channel |
| 释义 | ion /īˈən or īˈon/nounAn electrically-charged particle formed by loss or gain of electrons by an atom, effecting by its migration the transport of electricity ORIGIN: Gr ion, neuter prp of ienai to go ionic /ī-onˈik/ adjective īˈonīzable or īˈonīsable adjective ionīzāˈtion or ionīsāˈtion noun ionize or ionise /īˈən-īz/ transitive verb
īˈonizer or īˈoniser noun An electrical apparatus that contributes to clearing the air by restoring to it the negative charges destroyed by pollution, air-conditioning, etc ionˈomer noun The product of ionic bonding action between long-chain molecules, characterized by toughness and a high degree of transparency ionˈopause noun The region of the earth's atmosphere at the outer limit of the ionosphere ionophore /īˈə-nə-för/ noun A chemical compound able to combine with an ion and enable it to pass through a cell membrane, etc ionophorēˈsis noun Electrophoresis, esp of small ions ionˈosphere noun The region of the upper atmosphere that includes the highly ionized Appleton and Kennelly-Heaviside layers ionospherˈic adjective ionotropˈic adjective (biochemistry) Denoting a neurotransmitter receptor which affects cell activity by regulating the cell's ion channels (cf metabotropic under metabolism) iontophorēˈsis noun
iontophoretˈic adjective ion channel noun (biochemistry) A pore in a cell membrane that allows movement of ions into and out of the cell ion engine noun A space engine in which the thrust is produced by a stream of ionized particles iˈon-exchange noun Transfer of ions from a solution to a solid or another liquid, used in water-softening and many industrial processes ionic bond noun A bond within a chemical compound achieved by transfer of electrons, the resulting ions being held together by electrostatic attraction ion implantation noun The introduction of ions into a crystalline material by subjecting the material to bombardment with a stream of ions, an important element in the production of integrated circuits ion implanter noun ionization chamber noun An instrument used to detect and measure ionizing radiation, consisting of an enclosure containing electrodes between which ionized gas is formed ionization potential noun The energy, in electronvolts, required to detach an electron from an atom, molecule or radical ionizing radiation noun Any electromagnetic or particulate radiation which can cause ionization |
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