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- Absorbed dose point kernels of beta ray source 放射性核素辐射源的吸收剂量点核函数
- beta ray source β射线源
- A beta ray. β射线
- It is almost the case that each X ray source exhibits its own brand of variability. 几乎每个x射线源都有自己的变化特点。
- The solution method is described in this paper and also the briefs of ray source shooting on the crawler. 文中介绍了解决这些问题的方法,并对用装在管道爬行器上的射线源拍片的方法作了简单介绍。
- Each emission of an alpha or beta ray accompanies the transmutation of an atom; the energy communicated to these rays comes from inside the atom. 每一次a射线或b射线的放射都伴随着原子的蜕变，因为赋予这些射线的能量来自于原子的内部。
- scintillation beta ray spectrometer 闪烁射线谱仪
- Recently there has been considerable interested in the Thomson scattering between high energy laser and relativistic electron beam, and a new kind of X ray source named laser synchrotron source(LSS) has been discussed based on this principle. 利用强激光和相对论性电子束在任意相互作用方向发生的非线性Thomson散射理论，计算了平面偏振激光在相互作用角为180°、178.;5°和90°三种条件下发生Thomson散射所产生的X射线波长、相互作用时间等结果，并作出了178
- Helical orbit beta ray spectrometer 螺旋形轨道谱仪
- The news comes from a reliable source. 这消息来自可靠的来源。
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- Radioactive ray is material thing. 放射线是实际的物质。
- A ray flower or the corolla of a ray flower. 舌状花舌状花或这种花的花冠
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- Study on Influence of the Jounce of Ray Source on Image in Radiography System 辐射成像中射线源低频震动对图像影响的研究
- Dosimetry of External Beta Rays for Radiation Protection 射线外照射的辐射防护剂量学
- A ray of sunlight pierced the clouds. 一缕阳光穿透了云层。
- I was left without a ray of hope. 我连一线希望也没有了。
