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- alpha ray counter α射线计数管
- cosmic ray counter tube 宇宙射线计数管
- alpha-ray counter tube X 射线计数管
- x-ray counter tube X 射线计数管
- The researches are concerned with alpha rays. 这些研究是关于阿尔法射线的。
- The researches are concerned with alpha rays . 这些研究都是关于阿尔法射线的。
- The particles expelled when the atom explodes are protons, alpha rays or neutrons. 原子爆炸时排出的粒子是质子、a射线或中子。
- The particles expelled when the atom explodes are protons,alpha rays or neutrons. 原子爆炸时排出的粒子是质子、a射线或中子。
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- We have shown that it is possible to create a radioactivity characterized by the emission of positive or negative electrons in boron and magnesium, by bombardment with alpha rays. 我们已经展示了人工放射现象的可能性,这种放射现象的特征是用以射线轰击用咄硼和镁中的正电子或负电子。
- Later on, we observed that aluminium and boron, when irradiated by alpha rays do not emit protons and neutrons alone, there is also an emission of positive electrons. 后来,我们观察到,铝和硼经a射线轰击,不仅仅排出质子和中子,还排出正电子。
- Later on,we observed that aluminium and boron,when irradiated by alpha rays do not emit protons and neutrons alone,there is also an emission of positive electrons. 后来,我们观察到,铝和硼经a射线轰击,不仅仅排出质子和中子,还排出正电子。
- We have shown that it is possible to create a radioactivity characterized by the emission of positive or negative electrons in boron and magnesium,by bombardment with alpha rays. 我们已经展示了人工放射现象的可能性,这种放射现象的特征是用以射线轰击用咄硼和镁中的正电子或负电子。
- geiger muller counter tube exposure ratemeter 盖革 缪勒计数管照射量率计
- Hydrogen recoil proportional counter tube 水素反跳比例計数管
- Counter tube with internal gas source 内气源计数管
- But the positive electrons produced by aluminium under the action of a source of alpha rays continue to be emitted for some time after removal of the source. The number of electrons emitted decreases by half in three minutes. 但是,在射线动能源作用下铝产生的正电子在动能源撤走后的相当长时间里仍继续被排斥出来,且排出的电子数量在3分钟后减少一半。
- When will I know the result of my x ray? 我何时可以知道X光检查的结果?
- Gas discharging radiation counter tube 气体放电辐射计数管
- In our study of the transmutations with emission of neutrons produced in the light elements irradiated with alpha rays,we have noticed some difficulties in interpretation in the emission of neutrons by fluorine,sodium,and aluminium. 在研究排出中子的蜕变现象(这些中子产生于a射线放射出的轻量元素内部)的过程中,我们注意到,在解释由氟。钠和铝产生的中子排出现象中还有一些难点。