The dipole radiation is described by the classical method,the radiation energy,the instantaneous radiation intensity and the average radiation intensity are given analytically.
在经典物理框架内,把中心对称介质的偶极子运动方程化为了具有立方项的二阶非线性微分方程,用Jacobian椭圆函数和第一类全椭圆积分给出了方程的解和电子振荡周期,并对偶极辐射进行了经典描述,给出了电子的辐射能量、瞬时辐射强度和平均辐射强度。
In the paper, the combustion diagnosis is based on relativity between radiation energy indicating combustion state directly and fuel putted into furnace.
文中根据直接反应燃烧状态的辐射能量和送入炉膛的燃料量之间的关联性来诊断燃烧状态,通过对锅炉不同工况下运行数据的分析,发现燃烧不稳定时两个变量的熵关联度急剧降低,因此根据灰熵关联度能够实现燃烧状态的快速诊断。
Then it calculates the radiative energy and the radiative energy density with the action of single rectangle impulse current.
从电磁场的基本理论出发 ,推导出了任意激励下的对称天线辐射场的普通公式 ,计算了单个矩形脉冲电流在远处的辐射能量和辐射能量的密度 ,讨论了脉冲电流的宽度和对称天线的等效时延同辐射能量密度之间的关系 ,并以俯仰角度为 45°时的情形为例 ,指出了单个脉冲电流对天线远处辐射场的能量影响 。
The ratio of the radiant energy transmitted to the total radiant energy incident on a given body.
透射透过特定物体的辐射能量与射入这个物体的总辐射能量之比
They give off discrete amounts of radiant energy.
它们放出不连续的辐射能量。
Clouds return radiant energy to the surface primarily via the atmospheric window.
云主要通过大气窗区向地表辐射能量。
Based on the Radiation Energy and the Feed Quantity Combustion Diagnosis
基于辐射能量与给粉量相关性的燃烧诊断
the physical process in which incident radiated energy is retained without reflection or transmission.
不是反射或传输而是将入射的辐射能量保留的一种物理过程。
unit of solar radiation.
太阳辐射能通量单位。
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
Thermal radiation: Process by which energy is emitted by a warm surface.
热辐射:受热表面发射能量的过程。
Dosimetry of X and gamma reference radiations for radiation protection over the energy range from 8 keV to 1.3 MeV?
能量为8kev～1.3MeV的辐射防护用Ｘ和γ参照辐射的剂量测定法
In turn, the earth radiates energy back into space.
反过来，地球会将能量辐射回太空。
instruments that can detect minute amounts of radiation
能检测极微量辐射的仪器
measuring instrument of apparatus for measuring ionizing radiations
测量电离辐射能用仪器或仪表
The stars are radiators of vast power.
恒星是巨大能量的辐射体。
The amount of radiant energy needed to expose a photographic film.
感光胶片上曝光所需的辐射能的总量.
Study on the Environmental Energy Effect of the Urban Electromagnetic Fields;
城市电磁辐射场的环境能量效应研究
The Coherence Properties of Spontaneous Radiation in the Four-level Atom;
四能级原子自发辐射的量子相干特性
absorbed dose of radiation
吸收剂量（辐射的）
sievert [radiation quantity]
希沃特〔辐射剂量〕