radiation是什么意思 radiation在线中文翻译

radiation 英 [ˌreɪdiˈeɪʃn] 美 [ˌrediˈeʃən]

radiation 词典解释

1. This apparatus produces harmful radiations.
   这个装置产生有害的放射物。

1. 放射
   ...电离辐射(ionisindradiation)计量,在已往称之为放射(radiation)计量,放射的主要含义是指放射性核素衰变产生的辐射,后来延伸为医学诊断成像技术,而电离辐射是指一切能使物质产生电离的辐射,包含放射计量....
2. 散热
   ...辐射散热(radiation)辐射指热由一个物体表面通过电磁波的形式传至另一个与它不接触物体表面的一种方式. 人体在安静状态下处于气温较低环境中约有60%的热量是以此方式散热,是主要的散热形式....
3. 射线
   ...是一种可检测板面上所受照的UV光或射线(Radiation)能量强度的仪器,可测知每平方公分面积中所得到光能量的焦耳数. 此仪并可在高温输送带上使用,对电路板之UV曝光机及UV硬化机都可加以检测,以保证作业之品质....

1. (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance
   Synonym: radiotherapy radiation therapy actinotherapy irradiation
2. the act of spreading outward from a central source
3. a radial arrangement of nerve fibers connecting different parts of the brain
4. the spread of a group of organisms into new habitats
5. energy that is radiated or transmitted in the form of rays or waves or particles
6. the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
   Synonym: radioactivity
7. syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions)
   low doses cause diarrhea and nausea and vomiting and sometimes loss of hair
   greater exposure can cause sterility and cataracts and some forms of cancer and other diseases
   severe exposure can cause death within hours
   e.g. he was suffering from radiation
   Synonym: radiation sickness radiation syndrome

radiation [ˌreɪdiˈeɪʃn]