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- The researches are concerned with alpha rays. 这些研究是关于阿尔法射线的。
- Crystal structure was analyzed by wide angle X ray scattering(WAXS). 给出了X射线衍射对ACF毡晶体结构分析结果。
- The researches are concerned with alpha rays . 这些研究都是关于阿尔法射线的。
- State of polyimide moulding powder treated at different temperatures was studied by using wide angle X _ ray diffraction and small angle X _ ray scattering technique. 应用广角X射线衍射技术和小角X射线散射技术,对不同热处理温度下的聚酰亚胺模塑粉的形态结构进行了研究。
- 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。
- small - angle X - ray scattering 小角X射线散射
- 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。
- 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。
- 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。
- 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。
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- 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。
- Small villages scatter at the foot of the mountain. 村庄零零落落地散布在山脚下。
- 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
- The farmers were scattering seed on the fields. 农夫把种子撒在田里。
- Small Angle X--Ray Scattering Analysis of Particle Size Distribution of SiO_2 Sol X射线小角度散射方法测定SiO_2凝胶粒度分布
