Epimorphisms,monomorphisms,extremal monomorphisms,and extremal epimorphisms of PTopi,the category of Ti pre-topological spaces and continuous mappings between them are characterized(i=0,1,2,3,312,4).
刻画了Ti预拓扑空间及连续映射的范畴PTopi中的满态射、单态射、极端单态射和极端满态射(i=0,1,2,3,3(1/2),4)。
ICRU (International Commission on Riation Units and Mea-surements)
国际辐射单位和计量委员会
International Commission on Radiation Units and Measurement [ICRU]
国际辐射单位与测量委员会
Sievert [unit of radiation dose]
希沃特〔辐射剂量单位〕
unit of solar radiation.
太阳辐射能通量单位。
The radiant energy emitted per unit time in a specified direction by a unit area of an emitting surface.
辐射能单位辐射平面在单位时间内向某一方向发出辐射能
a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material.
吸收辐射剂量单位等于每克辐射材料尔格。
The rate of delivery of solar radiation per unit of horizontal surface.
日射能量单位水平面上日辐射的量
a single unit that converts radiant energy into electric energy.
将辐射能转为电能的独立单位。
Quantities and units of nuclear reactions and ionizing radiations
GB3102.10-1993核反应和电离辐射的量和单位
a measure of the visible electromagnetic radiation.
测量可见电磁辐射的单位。
Quantities and units of light and related electromagnetic radiations
GB3102.6-1993光及有关电磁辐射的量和单位
Illuminance of illuminating radiation is always measured in photometric units.
照明辐射的照度通常是以光度为单位。
Analysis of single-station bearing-only passive location on sea moving radiators
海上运动辐射源单站纯方位无源定位分析
For each beam position the amount of phase shift is calculated for each radiating element.
在每个波束位置为每个辐射单元计算相移量。
Status Analysis of Radiation Protection Condition of Units with Sealed Radioactive Sources in Xuzhou
徐州市密封源使用单位辐射防护现状分析
SAR Specific Absorption Rate
比吸收率，单位时间内单位质量的物质吸收的电磁辐射能量
isotropic radiator
各向同性辐射体;全方位辐射器;全向辐射器
single scintillation radioactive logger
单道闪烁辐射测井仪