Using instantaneous radiant exitance of Dirac field in space-time of Vaidya black hole,the radiation spectra and Wien displacement law of Vaidya black hole are calculated out.
利用Vaidya黑洞Dirac场的瞬时辐出度,导出黑洞的辐射谱及Wien位移定律。
Fajans-Soddy law of radioactive displacement
法扬斯－索第放射性位移定律
displacement law of radionuclide
放射性核素位移定律
radioisotope localization of placenta
放射性同位素胎盘定位
radioisotope positioner
放射性同位素定位器
A radiotraler method and a membrane concentration potential method were established to determine the sodium ion transport numbers.
建立了放射性示踪原子法和膜浓差电位法测定钠离子迁移数。
whole body counter
测定全身放射性同位素的计数器
radioisotope dynamic-function testing equipment
放射性同位素动态功能测定仪
radioisotope assay
放射性同位素成分的定量分析
The Application Study of Chemical Shift Image of ～1H-MRS on Brain Radiation Injury Following Radiotherapy for Nasopharyngeal Carcinoma
～1H-MRS化学位移成像在鼻咽癌放疗后放射性脑损伤中的应用研究
movement of environmental radioactive nuclide
环境放射性核素移动
two-site immunoradiometric assay
双位免疫放射测定法
Represents a general heat source. Radioisotope or combustion heat source can be specified.
表示普通热源。可指定放射性同位素或燃烧热源。
The breakdown of radioactive isotopes goes on at constant rates.
放射性同位素的衰变在恒定的速率下进行。
The activity of a sample is defined to be the number of disintegrations per unit time.
样品的放射性定义为每单位时间的蜕变数目。
a radioactive isotope of cesium used in radiation therapy.
铯的一种放射性同位素，用于放射疗法。
The importation of the radioactive isotope, radiation equipment and other radioactive materials should come up to applicable state regulations.
进口放射性同位素、射线装置和含有放射性物质的物品的，按照国家有关规定办理。
processed radioisotope
加工过的放射性同位素
beta-plus decay radioisotope
正β衰变放射性同位素
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