Object: Using computer to calculate average energy lost by photons at every points in each body, in order to determine the dose distribution of photon radiation in the water phantom.
目的：用电脑计算在每个物体中每点处点源释放出的原始光子和平均能量损失，以获得光子线在水模体中的剂量分布情况。
Considering recoil of electron, a new theory to explain axial channelling radiation is presented based on Compton scattering of virtual photon with relativistic electron.
考虑电子的反冲的影响，利用虚光子与相对论电子的康普顿散射理论对轴沟道辐射进行了研究。
The concept of the radiation pressure and the physical essence of it are presented based on the photon gas.
从粒子的观点介绍了辐射压的概念，阐明了辐射压的物理实质，给出了计算辐射压的一般公。
The interaction of a two-level atom with a thermal radiation field for single-photon processes and two-photon processes without rotating wave approximation is analysed.
两能级原子与外部环境(热库)相互作用时，采用非旋波近似，研究原子与热辐射场单光子和双光子作用过程。
This paper reports the generation of the coherent and stimulated radiation in UV, visible and infrared regions by two-photon pumping.
本文报道锂蒸气中由双光子泵浦所产生的位于紫外、可见和红外区的相干和受激辐射。
The concept of radiation effects of detention was explained and photon produce process of low-pressure mercury was uras analyzed, from the perspestive of atomic energy level transition.
从原子能级跃迁的角度，分析了低压汞灯的光子的产生过程，说明了辐射禁锢效应的概念。
The advanced photon source, especially the synchrotron radiation photon exited from undulator is equipped with extremely high power density.
第三代同步辐射光源，尤其是由波荡器引出的同步辐射光，具有极高的功率密度。
We also study the photon statistic properties of thermal radiation field in the process.
着重分析了热态光场在此作用过程中所展现出的光子统计特性。
It can be find that average photon number of thermal radiation field and multi-photon transition process have intense influence on the non-classical properties.
可以看出热态光场的平均光子数和多光子跃迁对光场非经典性质有强烈的影响。
The two photon interaction of a two level atom with a single mode radiation in a bad cavity is studied.
研究了劣腔内二能级原子与单模腔场的双光子相互作用。腔内原子受外加相干光场驱动，并向一般真空态自发辐射。
Objective: to observe the injury of OS-732 cell line caused by radiation combined fast neutron with photon.
目的：观察快中子及光子对人成骨肉瘤细胞系os 732的杀伤作用。
First, We set up the two-photon Planck radiation equation, then give a new definition of Einsient probability coefficients, calculate the two-photon transition probability and analyze the results.
给出爱因斯坦几率系数的新定义；进而计算了双光子自发跃迁几率，并对结果作了分析讨论。
The paper analytically discusses two factors, the spectrum of photon and the scattered radiation by the detector, which affect the attenuation efficient of the object in flash X-ray radiography.
研究闪光照相中影响材料有效吸收系数的两个主要因素，即X光的能谱效应和散射影响。
Shield material with some certain composition can absorb a large part of low energy photon of X-ray and reduce the radiation effect on electronic component.
采用一定组分的材料对X射线进行辐射屏蔽，可以吸收大部分的低能光子，减少X射线对电子系统的辐射损伤。
Shield material with some certain composition can absorb a large part of low energy photon of X-ray and reduce the radiation effect on electronic component.
采用一定组分的材料对X射线进行辐射屏蔽，可以吸收大部分的低能光子，减少X射线对电子系统的辐射损伤。
应用推荐