| 单词 | 离子 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔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-base equilibrium〕The state that exists when acidic and basic ions in solution exactly neutralize each other.酸碱平衡：溶液中的酸离子和碱离子正好互相中和的状态美国传统〔acid〕A molecule or ion that can combine with another by forming a covalent bond with two electrons of the other.分子，离子：可通过两个电子形成共价键而结合在一块的分子或离子美国传统〔acid〕A substance capable of yielding hydrogen ions.氢离子供体：一种可放出氢离子的物质美国传统〔aeronomy〕The study of the upper atmosphere, especially of regions of ionized gas.高层大气物理学：对有关高层大气，特别是离子化大气层的研究美国传统〔aluminate〕A chemical compound containing aluminum as part of a negative ion.铝酸盐：一种化合物，铝作为负离子部分包含于其中美国传统〔ambipolar〕Applying equally to both positive and negative ions.双极性的：等同地适用于正负离子的美国传统〔anion〕A negatively charged ion, especially the ion that migrates to an anode in electrolysis.阴离子：带负电荷的离子，尤指在电解过程中游离到阳极的阴离子美国传统〔base〕A molecular or ionic substance capable of combining with a proton to form a new substance.化合物：能与质子结合形成一种新物质的分子化合物或离子化合物美国传统〔basic〕Containing oxide or hydroxide anions. Used of a salt.含氧离子的，含氢离子的：含氧离子或氢离子的。用作盐美国传统〔calpain〕A proteolytic enzyme that is regulated by the concentration of calcium ions.钙激活蛋白酶：用浓缩钙离子调节的蛋白酶美国传统〔carbanion〕An anion in which carbon carries a negative charge and an unshared pair of electrons.负碳离子，阴碳离子：一种阴离子，其中碳带一个负电荷和一个非共用电子对美国传统〔cation〕An ion or group of ions having a positive charge and characteristically moving toward the negative electrode in electrolysis.阳离子：带有正电荷的一个或一群离子，特点为在电解中向阴极运动美国传统〔chelate〕A chemical compound in the form of a heterocyclic ring, containing a metal ion attached by coordinate bonds to at least two nonmetal ions.螯合物：杂环化学复合物，由一个金属离子与两个或两个以上非金属离子构成配位键美国传统〔chelate〕Chemistry To combine (a metal ion) with a chemical compound to form a ring.【化学】 把（一个金属离子）与化学复合物结合成环美国传统〔chemical bond〕Any of several forces or mechanisms, especially the ionic bond, covalent bond, and metallic bond, by which atoms or ions are bound in a molecule or crystal.化学键：使原子或离子结合成分子或晶体的力量或历程，尤指离子键、共价键和金属键美国传统〔crystal〕A homogenous solid formed by a repeating, three-dimensional pattern of atoms, ions, or molecules and having fixed distances between constituent parts.晶体：一种由原子、离子或分子作重复和立体型排列而形成的均质固体，在组成部分之间有固定的距离美国传统〔deionize〕To remove ions from (a solution) using an ion-exchange process.除去离子：以离子交换法除去（溶液）中的离子美国传统〔diprotic〕Having two hydrogen ions to donate to bases in an acid-base reaction.双质子的：有两个氢基离子以便酸基反应的美国传统〔dissociation〕The separation of an electrolyte into ions of opposite charge.电解（作用）：一种电解质分解为带有相反电荷的离子的过程美国传统〔electrogasdynamics〕Generation of electrical energy based on the conversion of the kinetic energy contained in a high-pressure, ionized, moving combustion gas.电气体动力学：建立在运动能的转化的基础上的电能的产生。运动能被包含于高压、离子化的运动燃烧气体中美国传统〔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〔electrovalence〕The number of electric charges lost or gained by an atom in such a transfer.电价数，离子价：在这样的转移中一个原子失去或得到的电荷数美国传统〔electrovalence〕Valence characterized by the transfer of electrons from atoms of one element to atoms of another during the formation of an ionic bond between the atoms.电价：在原子间形成离子键的过程中，由电子从一种元素的原子转移到另一种元素的原子所表示的价美国传统〔electrovalency〕Electrovalence.电价，离子价美国传统〔field-ion microscope〕A microscope that produces an image of the atoms on a metal surface by means of ions formed in a high-voltage electric field.场用显微镜：通过高压电场中形成的离子在金属表面展现原子图象的显微镜美国传统〔gap junction〕An intercellular network of protein channels that facilitates the cell-to-cell passage of ions, hormones, and neurotransmitters.间隙连接：细胞间蛋白质的输入途径，能促进细胞与细胞间离子、荷尔蒙与神经传递素的通过美国传统〔gray〕The SI unit for the energy absorbed from ionizing radiation, equal to one joule per kilogram.格雷，辐射能单位：测量从离子化辐射中所吸收能量的国际单位制，相当于每公斤一焦耳美国传统〔heavy ion〕A charged microscopic particle that forms when an ion attaches to a dust mote or similar object.重离子：带电的微小粒子，在离子附着于灰尘微粒或类似物质时会形成美国传统〔heavy ion〕The nucleus of a heavy element. When such nuclei are caused to collide at high velocities, new elements are created.重离子：重元素的原子核，当此类原子核们引发高速碰撞，新元素便会产生美国传统〔heterolysis〕Chemistry An organic reaction in which the breaking of bonds leads to the formation of ion pairs.【化学】 异裂：一种有机反应，即键的断裂导致了离子对的形成美国传统〔hyperkalemia〕An abnormally high concentration of potassium ions in the blood.高钾血症：血液中钾离子的异常高度集中美国传统〔hypokalemia〕An abnormally low concentration of potassium ions in the blood.低钾血症，血钾过低：血液中不正常的低钾离子浓度美国传统〔interionic〕Located or occurring between ions.离子间的：位于或发生于离子之间的美国传统〔ion rocket〕A rocket using ionic propulsion.离子火箭：使用离子推进的火箭美国传统〔ion trap〕A device, such as a magnet, used to prevent ions in an electron beam from striking other apparatus.离子阀：用来防止电子束中的离子击中其它设备的一种装置，如一块磁铁美国传统〔ionic〕Of, containing, or involving ions.离子的：离子的，含有或涉及离子的美国传统〔ionization potential〕The energy required to remove completely an electron from its atom.离子电位：将一个电子完全从原子中移走所需的能量美国传统〔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〔ionize〕To convert or be converted totally or partially into ions.（使）离子化：使或被完全或部分地转化为离子美国传统〔ionophore〕Any of a group of organic compounds that facilitate the transport of ions across the cell membrane.离子载体：为离子穿越细胞膜提供运输载体的一组有机化合物中的任何一种美国传统〔ion〕An atom or a group of atoms that has acquired a net electric charge by gaining or losing one or more electrons.离子：由获得或失去一个或更多的电子而获取了一个净电荷的一个原子或一组原子美国传统〔leach〕The calcium, potassium, and magnesium ions are leached or washed out of the top soil into lower inaccessible subsoil.钙、钾和镁离子被滤出表层土壤流入低层土壤却无法被吸收。剑桥高阶〔ligand〕An ion, a molecule, or a molecular group that binds to another chemical entity to form a larger complex.配体，配位体：配位化合物中与另一化学个体连接的离子、分子或分子团美国传统〔magnetic bottle〕A magnetic field used to confine plasma, as during nuclear fusion.磁瓶：用来控制离子区域的磁场，如在核聚变过程中美国传统〔magnetohydrodynamics〕The study of the interaction of magnetic fields and electrically conducting liquids or gases, such as molten metal or plasma.磁流体动力学：对磁场和导电的液体或气体，诸如熔化的金属或者等离子区之间的相互作用的研究美国传统〔metalline〕Containing metal ions.含有金属离子的美国传统〔micelle〕An organic particle of colloidal size found in coal.胶态离子：见于煤中的胶粒大小的有机颗粒美国传统〔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〔monobasic〕Having only one hydrogen ion to donate to a base in an acid-base reaction; monoprotic.一（碱）价的：在酸碱反应中只有一个氢离子转移到碱上的；一碱价的美国传统〔monobasic〕Having only one metal ion or positive radical.只有一个金属离子或正基的美国传统〔natriuresis〕Excretion of excessive amounts of sodium in the urine.尿钠排泄增加：尿中丢失大量的钠阳离子美国传统〔negative〕Chemistry Of or designating an ion, the anion, that is attracted to a positive electrode.【化学】 阴离子的：属于或表明离子，阴离子的；对阳电极有吸引力的美国传统〔nonpolar〕Not ionizing when dissolved in water.非离子化的：溶于水中不会离子化的美国传统〔octet〕A set of eight valence electrons in an atom or ion, forming a stable configuration.八重态：在一个原子或离子中，形成稳定组态的一组八个化合价电子美国传统〔oxidation-reduction〕A chemical reaction in which an atom or ion loses electrons to another atom or ion.氧化还原反应：一个原子或离子的电子转移到另一个原子或离子的一种化学反应美国传统〔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〔plasma〕Our new TV is a 50-inch plasma.我们的新电视机是50英寸等离子的。韦氏高阶〔postdoc〕She did a PhD and a postdoc in plasma physics.她拥有等离子物理学博士学位并做过博士后。剑桥高阶〔pump〕Physics To raise (atoms or molecules) to a higher energy level by exposing them to electromagnetic radiation at a resonant frequency.【物理学】 充能：把（离子或分子）暴露在一个共振频率的电磁辐射下使其提高到一个较高的能量等级美国传统〔pump〕Physiology A molecular mechanism for the active transport of ions or molecules across a cell membrane.【生理学】 泵：使离子或分子主动穿过细胞膜的分子结构美国传统〔pump〕Physiology To transport (ions or molecules) against a concentration gradient by the expenditure of chemically stored energy.【生理学】 输送：通过消耗以化学形式储存的能量把（离子或分子）输送到一个集中倾斜度美国传统〔salt〕A chemical compound formed by replacing all or part of the hydrogen ions of an acid with metal ions or electropositive radicals.盐类：由金属离子或正电原子团替代酸中所有或部分的氢离子而得到的化合物美国传统〔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〔seek〕He sought revenge against Surkov for separating him from his wife and son.苏尔科夫害得他妻离子散，他要报复。朗文当代〔semipermeable〕Allowing passage of certain, especially small, molecules or ions but acting as a barrier to others. Used of biological and synthetic membranes.半渗透的：允许特定的，尤其是小型的分子或离子通过，但对其它粒子则是屏蔽的。用于生物的和人造的膜美国传统〔separate〕The war ～d many families.战争使许多家庭妻离子散。 英汉大词典〔sodium-potassium pump〕A mechanism of active transport that moves potassium ions into and sodium ions out of a cell.钠泵：一种生理机制，细胞内钾离子泵入，纳离子泵出美国传统〔solar wind〕A stream of ionized particles ejected at high speeds from the surface of the sun.太阳风：从太阳表面高速喷射出来的离子粒子流美国传统〔space charge〕The excess of electrons or ions in a given volume.空间电荷：一定限度内过量的电子或离子美国传统〔stellar wind〕The varying flow of plasma ejected from the surface of a star into interstellar space.恒星风：从恒星表面射向星际空间的等离子流美国传统〔tear apart〕War and revolution have torn families apart.战争和革命使得许多家庭妻离子散。外研社新世纪〔tear apart〕War and revolution have torn families apart.战争和革命导致许多家庭妻离子散。柯林斯高阶〔thermionic current〕A flow of thermions.热离子流美国传统〔thermionic emission〕Emission of thermions, especially electrons, from a conducting material at high temperatures.热离子发射：热离子发射，尤指电子在高温时由导电物质发射出来美国传统〔thermionic tube〕An electron tube in which the source of electrons is a heated electrode.热离子管：电子源是加热电极的电子管美国传统〔thermionics〕The physics of thermionic phenomena.热离子学：关于热离子现象的物理学美国传统〔thermion〕An electrically charged particle, especially an electron, emitted by a conducting material at high temperatures.热离子：一带电粒子，尤指一电子，由导电材料在高温时发 射出美国传统〔time-of-flight mass spectroscopy〕A method of separating ions of different masses based on the time needed for the ions to traverse a fixed distance.离子化质谱术：根据离子横越一固定距离所需时间来将不同质量离子加以分开的方法美国传统〔tokamak〕A doughnut-shaped chamber used in fusion research in which a plasma is heated and confined by magnetic fields.托卡马克：一种用于聚变研究的环形室，等离子体在其中被加热并被电磁场约束美国传统〔transferrin〕A beta globulin in blood serum that combines with and transports iron.转铁蛋白：血清中的β球蛋白与铁结合输送铁离子美国传统〔undissociated〕Chemistry Not dissociated into simpler groups of atoms, single atoms, or ions.【化学】 未离解的：未分离成更简单的原子群、单一原子或离子的美国传统〔vacancy〕A crystal defect caused by the absence of an atom, an ion, or a molecule in a crystal lattice.空位：晶体里由于缺少一个原子、一个离子或一个分子造成晶格位置缺陷美国传统〔zwitterion〕A molecule carrying both a positive and a negative charge. 两性离子：带有正负电荷的分子美国传统You can buy a negative ion hair dryer for less than 1000 NT dollars. 目前流行的负离子吹风机，一台还不到一千块台币。译典通 |
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