- Settore: Government
- Number of terms: 33950
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United States Department of Health and Human Services, Radiation Emergency Medical Management
A radioactive source, sealed in an impervious container that has sufficient mechanical strength to prevent contact with and dispersion of the radioactive material under the conditions of use and wear for which it was designed. Generally used for radiography or radiation therapy. May be classified "special form" on shipping papers and packages.
Industry:Medical devices
用于派生一个数量单位叫剂量当量。这涉及到有效生物损伤的辐射吸收的剂量在人体组织中。不是所有的辐射具有相同的生物效果，甚至为相同数量的吸收剂量。剂量相当于通常表示为百万分之几的海皮带或微-西弗茨 (µ s v）。一海皮带是相当于 100 rem。更多的信息，请参阅"关于辐射测量漆"从疾病预防控制中心。
Industry:Medical devices
电离辐射在单位质量的组织所交存的能源量。它是焦耳每公斤 (j/kg） 的单位来表示，称为"灰色"（gy）。更多的信息，请参阅"关于辐射测量漆"从疾病预防控制中心。
Industry:Medical devices
Elements in the periodic table with atomic numbers from 90 to 103 (thorium to lawrencium); i.e., elements with a higher atomic number than actinium, which has an atomic number of 89. These are also called "rare earth metals." they include most of the well-known elements found in nuclear reactions. Actinides with atomic numbers higher than 92 do not occur naturally but are produced artificially by bombarding other elements with particles. Some of the actinides include plutonium, curium, and californium.
Industry:Medical devices
某些核素的自发转型其原子核由发射辐射的属性。包括居里已使用 （单选） 活动的各单位 （1 ci = x 1010 衰变每秒 3.7) 和贝克 (1 bq = 1 解体每秒)。(梅特勒 fa jr，厄普顿交流： 电离辐射，第 3 版费城，宾夕法尼亚州的医疗后果： 桑德斯 elsevier，2008 年，第 552 页)
Industry:Medical devices
