alpha radiation

noun

1. *α辐射
   a type of radiation which comes from some substances when they decay

1. Beta radiation consist of small particles ( electrons) with an incredible speed, Alpha radiation consists of big particles ( two protons, two neutrons altogether), also with incredible speed.
   贝塔是高速冲击的微小粒子（电子），阿尔法辐射是高速冲击的大粒子（含有两个质子和两个中子）。
2. Alpha and beta particle radiation is lower energy and can often be blocked by just a sheet of paper.
   α和β粒子辐射的能量较低，一页纸片便可以阻挡住它们。
3. If radioactive material is ingested or inhaled into the body, however, it is actually the lower energy alpha and beta radiation that becomes the more dangerous.
   然而，如果人体摄取或吸入放射性材料，低能的α和β粒子更为危险。
4. Objective To study the gross alpha and beta radioactivity and decay pattern of topaz colored by neutron radiation.
   目的探讨中子辐照改色黄玉的总放射性水平及其变化规律。
5. Effect of alpha-calciferol on bone metabolism in rats with radiation injury to kidney
   α骨化醇对肾辐射损伤大鼠骨代谢影响的保护作用
6. Conclusions Inner alpha radiation to the brain with enriched uranium could induce developing brain damage in the neonate rats.
   结论α辐射体浓缩铀的脑内照射可诱发新生大鼠发育脑损伤。
7. Alpha-particles radiation and genomic instability
   α粒子辐射与基因组不稳定性
8. Research on Intelligent Alpha Radiation and It ′ s Application to Exploration of Hydroelectricity Bases
   智能α测量仪的研制及其在水电基地勘探中的应用
9. On these bases, a new temperature and emissivity separation algorithm was developed under the condition of neglecting the effect of atmosphere downwelling radiation, which combines attractive features of ALPHA derived emissivity method and ASTER TES algorithm.
   以此为基础，在不考虑大气下行辐射影响的条件下，借鉴ALPHA导出发射率法和ASTERTES算法的优点，提出一个新的发射率温度分离算法。

noun

1. the radiation of alpha particles during radioactive decay

   Synonym:    alpha ray