| 单词 | 电离 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔D layer〕The lowest layer of the ionosphere, existing only during the day.D层：电离层的最底层，只有日间存在美国传统〔REFLECT〕When atmospheric conditions are right, radio waves bounce off the ionosphere and can be received many thousands of miles away. 在适当的大气条件下，无线电波从电离层反弹回来，在数千英里之外都可以接收得到。朗文写作活用〔accelerator mass spectrometry〕Mass spectroscopy in which a particle accelerator is used to disassociate molecules, ionize atoms, and accelerate the ions.加速物质光谱测定法：物质光谱学中用于分离分子、电离原子和加速离子的粒子加速器美国传统〔acid〕A substance that ionizes in solution to give the positive ion of the solvent.酸性物质：一种在溶解时发生电离从而使溶剂带上正电荷的物质美国传统〔ball lightning〕A rare form of lightning in the shape of a glowing red ball, associated with thunderstorms and thought to consist of ionized gas.球状闪电：罕见的闪亮红球状的闪电，与暴风雨有关且被认为由电离气体组成美国传统〔corona〕The luminous, irregular envelope of highly ionized gas outside the chromosphere of the sun.日冕：太阳色球层外的高电离气体所形成的发光的、不规则的环美国传统〔delta ray〕An electron ejected from matter by ionizing radiation.δ射线，δ粒子：受到电离辐射的物质发射出的电子美国传统〔double salt〕A salt, such as alum, that ionizes in solution as if it were two separate salts but forms a single substance upon crystallization.复盐：溶解电离时好似是两种不同的盐，结晶时却构成一种物质，如明矾美国传统〔electrojet〕An electric current that moves in an ionized layer above the equator in the earth's upper atmosphere.电喷(射气)流：在地球赤道上方大气上层电离子气体导电层中移动的电流美国传统〔electrolyte〕A chemical compound that ionizes when dissolved or molten to produce an electrically conductive medium.电解质：一种化合物，当被溶解或融化以产生电导媒质时发生电离美国传统〔geocorona〕The outermost region of the earth's atmosphere, consisting chiefly of ionized hydrogen.地冕：地球大气的最外部分，主要由电离的氢组成美国传统〔ionization〕The formation of or separation into ions by heat, electrical discharge, radiation, or chemical reaction.电离作用：电热，放电，辐射，或化学反应导致的离子的形成或分离或离子的过程美国传统〔ionization〕The state of being ionized.被电离：被电离的状态美国传统〔migration〕The movement of ions between electrodes during electrolysis.原子移动，电离子移动：在电解的过程中离子在电极之间的移动美国传统〔neutral〕Of or relating to a compound that does not ionize in solution.非电离的：化合物在溶液中不能电离的或与之有关的美国传统〔pinch effect〕Radial constriction of flowing plasma or other matter carrying an electric current, caused by the magnetic field that is produced by the current.箍缩效应，捏缩效应：流体或其它带有电离子流的物体的由电流磁场引起的辐射减缩美国传统〔radioactive decay〕Spontaneous disintegration of a radioactive substance accompanied by emission of ionizing radiation in the form of particles and gamma rays.放射性衰变：放射性物质的自发的分裂，伴随有放出微粒或r射线形式的电离辐射美国传统〔radiology〕The use of ionizing radiation for medical diagnosis, especially the use of x-rays in medical radiography or fluoroscopy.用医疗辐射诊断：使用电离辐射时行医学诊断，尤指使用X射线进行放片和荧光照片制作美国传统〔radiotherapy〕Treatment of disease with radiation, especially by selective irradiation with x-rays or other ionizing radiation and by ingestion of radioisotopes.放射疗法：用放射进行的疾病治疗，尤指用X射线或其它电离辐射的有选择放射和吞下放射性同位素美国传统〔rem〕The amount of ionizing radiation required to produce the same biological effect as one rad of high-penetration x-rays.雷姆：产生和一拉得强渗透的X光射线等量的生物反应的致电离辐射的数量美国传统〔scintillation counter〕A device for detecting and counting scintillations produced by ionizing radiation.闪烁计数器：一种用于探测和对由电离辐射产生的火花进行计数装置美国传统〔scintillation〕Physics A flash of light produced in a phosphor by absorption of an ionizing particle or photon.【物理学】 交光：磷光体通过吸引电离子或光子产生的闪光美国传统〔thermosphere〕The outermost shell of the atmosphere, between the mesosphere and outer space, where temperatures increase steadily with altitude.热大气层，热电离层：大气层介于中间层和外层空间之间的最外一层，在这一层中温度随高度而稳定增加美国传统Nebulae contain very large amounts of ionized gas.星云里含有大量的电离气体。剑桥国际Widespread ionization occurs readily in the Earth's upper atmosphere.地球的高层大气中到处都在迅速地发生电离作用。剑桥国际 |
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