secular equilibrium
英 [ˈsekjələ(r) ˌiːkwɪˈlɪbriəm]
美 [ˈsekjələr ˌiːkwɪˈlɪbriəm]
网络 永久平衡; 长期平衡
双语例句
- Objective To determine materials containing natural radionuclides in or out secular equilibrium with their parents or daughters.
目的确定含天然放射性物质的物料是否处于非长期平衡，以及衰变链中那些长寿命核素被分离或减少。 - Results It is different to determine whether the exposures from these materials should be exempt that materials containing natural radionuclides are in or out of secular equilibrium with their parents or daughters.
结果处于长期平衡和非长期平衡的物料，在判断它们是否放射性物质时，所依据的核素种类及其豁免活度浓度是不一样的； - Distinguish Natural Sources out of Secular Equilibrium with Their Parents or Daughters in Gamma Ray Spectrum Analyses
γ谱测量中非长期平衡的识别 - For the study of the neutron flux, secular equilibrium of chlorine-36 in the deep quaternary sediments of Hebei plain, the main chemical composition of water sand and confining bed was determined by neutron activation analysis.
为研究河北平原深部地层的中子注量率和36Cl/Cl地球长期平衡值，应用中子活化分析技术测量了岩石样品的元素含量数据。 - Research on the neutron flux, secular equilibrium of chlorine-36 and groundwater age of the deep quaternary sediments, Hebei plain
河北平原深部地层的中子注量率、~（36）Cl/Cl地球长期平衡值及地下水年龄的研究 - A proof of the secular equilibrium formula in radioactive cascade decay series
放射性递次衰变系列中长期平衡公式的证明 - Methods In gamma ray spectrum analyses, the activity concentration of every daughter is the same as that of its parent when the material is in secular equilibrium. The activity concentrations of daughters and their parents are different when the material is out of secular equilibrium.
方法γ能谱测量中，长期平衡时天然放射系中各子体的活度浓度与母体相同，在非长期平衡时，各子体及母体的活度浓度各不相同。 - In addition, an example is given to illustrate the application of the secular equilibrium formula.
另外，举例说明了长期平衡公式的应用。 - Dosimetric constants for isotropic point source s of radionuclides with secular radioactive equilibrium progeny
具有长期放射平衡子体的母体核素各向同性点源的总剂量学常数