| 单词 | 放射 |
| 释义 | 〔radiology〕The use of radiation for the scientific examination of material structures; radioscopy.放射检查：用放射进行物质结构的科学检查；射线检验〔activity〕The intensity of a radioactive source.放射性：放射原的强度〔echinoderm〕Any of numerous radially symmetrical marine invertebrates of the phylum Echinodermata, which includes the starfishes, sea urchins, and sea cucumbers, having an internal calcareous skeleton and often covered with spines.棘皮动物：棘皮动物门中各种的放射对称状海洋无脊椎动物，具有内骨架且通常有脊包覆外表，包括海星、海胆、海参等〔filter〕Any of various electric, electronic, acoustic, or optical devices used to reject signals, vibrations, or radiations of certain frequencies while passing others.滤光器，滤色镜，滤波器：一种电学的、电子学的、声学的或光学的设备，用于在通过其它物时限制特定频率的信号、振动或放射〔luminous〕Emitting light, especially emitting self-generated light.发光的：放出光的，尤其是放射自己内部产生的光的〔radial〕Radiating from or converging to a common center.放射的：从一个中心发射出的或聚于一个中心的〔contaminate〕To expose to or permeate with radioactivity.使…处于放射之下或受放射性污染〔technetium〕A silvery-gray radioactive metal, the first synthetically produced element, having 14 isotopes with masses ranging from 92 to 105 and half-lives up to 2.6×106 years. It is used as a tracer and to eliminate corrosion in steel. Atomic number 43; melting point 2,200°C; specific gravity 11.50; valence 0, 2, 4, 5, 6, 7. See table at element 锝：一种银灰色放射性金属，是第一个人工合成的元素，有十四个原子量从92到105且半衰期高达2.6×106年的同位素。用作放射追踪剂并可消除钢铁腐蚀现象。原子序数43；熔点2,200°C；比重11.50；原子价0, 2, 4, 5, 6, 7 参见 element〔irradiate〕To send forth rays; radiate.辐射：放射光线；辐射〔pulsar〕Any of several celestial radio sources emitting short, intense bursts of radio waves, x-rays, or visible electromagnetic radiation at regular intervals, generally believed to be rotating neutron stars.脉冲星：若干能发出无线电波的天体之一，能以有规律的间隔发出短促且强烈的无线电波、X射线或肉眼可见的电磁放射，普遍认为它们是旋转磁中子星〔supernova〕A rare celestial phenomenon involving the explosion of most of the material in a star, resulting in an extremely bright, short-lived object that emits vast amounts of energy.超新星：一种罕见的天文现象，表现为一恒星中的绝大部分物质爆炸后，产生能放射极大能量的极为明亮而存在时间极短的物体〔ozone〕A blue gaseous allotrope of oxygen, O3, formed naturally from diatomic oxygen by electric discharge or exposure to ultraviolet radiation. It is an unstable, powerfully bleaching, poisonous oxidizing agent with a pungent, irritating odor, used to deodorize air, purify water, treat industrial wastes and as a bleach. 臭氧：一种气态氧气的同素异形体，O3在紫外线辐射下通过电子放射或暴晒从双原子氧气自然形成。它是一种不稳定的具有强漂白性的，有毒的氧化剂，有臭的刺激性的气味，用来除去空气的异味，净化水，处理工业废物和作为漂白剂 〔antenna〕pl. an.ten.nas A metallic apparatus for sending or receiving electromagnetic waves. Also called In this sense, also called aerial 【复数】 an.ten.nas 天线：用于放射或接收电磁波的金属仪器 也作 在此意义上也可称作 aerial〔shoot〕To discharge or fire; go off.开枪或开火；放射〔chrysanthemum〕Any of numerous, mostly Eurasian plants of the genusChrysanthemum in the composite family, many of which are cultivated as ornamentals for their showy, radiate flower heads. 菊，菊花：一种菊科菊属 植物，多数产于欧亚，有艳丽的放射头状花序，被栽培作为装饰物 〔radioimmunoassay〕The immunoassay of a radiolabeled substance, such as a hormone or an enzyme.放射免疫测定：用经放射性物质标记的物质（如荷尔蒙或酶）进行免疫测定〔bombard〕To irradiate (an atom).轰击：放射（原子）〔photoemission〕Emission of photoelectrons, especially from metallic surfaces.光电发射：光电子的放射，尤指从金属表面〔bright〕Emitting or reflecting light readily or in large amounts; shining.发亮的：放射或反射大量光的；照耀的〔radioprotection〕Protection against the harmful effects of radiation.放射防护：对放射的有害影响的防护〔radiograph〕To make a radiograph of.拍…的放射照片〔radiation〕Energy radiated or transmitted in the form of rays, waves, or particles.辐射：以射线、波或微粒的形式放射或传播的能量〔bright〕These adjectives refer to what emits or reflects light.这些形容词都指放射光芒或反射光的东西。〔radiation〕The act or process of radiating:放射：放射的行动或过程：〔ray〕To send out as rays; emit.放射，照射：以射线的形式向外散出；发射〔viomycin〕An antibiotic, C23H 36N 12O 8, produced by the actinomycete Streptomyces puniceus, used in the treatment of tuberculosis. 紫霉素：一种抗生素，C23H 36N 12O 8，由放射菌素 鲜红链霉菌 产生，用于治疗肺结核病 〔millicurie〕A unit of radioactivity equal to one thousandth (10-3) of a curie. 毫居里：放射单位，等于千分之一(10-3)居里 〔aura〕An invisible breath, emanation, or radiation.气味：看不见的呼吸、放射或辐射〔triskelion〕A figure consisting of three curved lines or branches, or three stylized human arms or legs, radiating from a common center.三枝形，三腿形：以一个中心放射出去的由三条弯曲的线或分支，或是三条程式化的人臂或人腿构成的图形〔radiate〕To emit (light, for example) in or as if in rays.放射：以射线或象以射线一样发出（光）〔radiolucent〕Allowing the passage of x-rays or other radiation; not radiopaque.射线可通过的：允许X射线或其它放射通过的；非放射不透明的〔Lorentz〕Dutch physicist. He shared a 1902 Nobel Prize for researching the influence of magnetism on radiation.洛伦茨，亨德里克：(1853-1928) 荷兰物理学家。因在磁性对放射的影响方面的研究而获1902年诺贝尔奖〔irradiate〕To manifest in a manner suggesting the emission of light; radiate:发散：象放射光线一样呈现出来；发散：〔Fermi〕Italian-born American physicist. He won a 1938 Nobel Prize for his work on artificial radioactivity caused by neutron bombardment. In 1942 he produced the first controlled nuclear chain reaction, in a squash court at the University of Chicago.费密，恩里科：(1901-1954) 意大利裔的美国物理学家，因研究由中子放射原子而引起的人造辐射而获1938年诺贝尔奖。1942年在芝加哥大学的壁球场，他首次进行核能链式反应的实验〔star〕A self-luminous celestial body consisting of a mass of gas held together by its own gravity in which the energy generated by nuclear reactions in the interior is balanced by the outflow of energy to the surface, and the inward-directed gravitational forces are balanced by the outward-directed gas and radiation pressures.星，天体：本身能发光的天体，由自身吸力吸引的大量气体组成内部核反应产生的能量流向表面，向内的引力通过逃逸的气体和放射压力相抵消来达到平衡〔berkelium〕A synthetic transuranic radioactive element having 9 isotopes with mass numbers from 243 to 250 and half-lives from 3 hours to 1,380 years. Atomic number 97; melting point 986°C; valence 3, 4. See table at element 锫：一种人造的铀后放射元素，有9个大数字的同位素，从243到250，半衰期从3小时到1,380年。原子序数为97；熔点986°C；原子价3，4 参见 element〔radiography〕The process by which radiographs are made. Also called skiagraphy 射线照相术：制作放射照片的过程 也作 skiagraphy〔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〔Bohr〕Danish physicist. He won a 1922 Nobel Prize for investigating atomic structure and radiations. His sonAage Niels Bohr (born 1922), also a physicist, shared a 1975 Nobel Prize for discovering the asymmetry of atomic nuclei. 玻尔，尼尔斯·亨利克·戴维：(1885-1962) 丹麦物理学家。因对原子结构和放射的研究获1922年诺贝尔奖。他的儿子欧文·尼尔斯·玻尔 （生于1922年）也是一个物理学家，因发现原子核的非对称性而获1975年的诺贝尔奖 〔radiobiology〕The use of radioactive tracers to study biological processes.放射生物学：用放射性追踪的使用来研究生物进程 |
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