alpha particle的例句大全

M-subshell ionization of th and u by alpha particle bombardment

α粒子轰击钍和铀引起的M亚壳层电离

Associated alpha particle detectors were put at the directions of 90 °, 135 ° and 178.2 ° to D+ beam current.

α粒子探测器分别置于与D＋束成90°、135°和178.2°的方向上。

Aluminium can be transformed, by the capture of an alpha particle and the emission of a proton, into a stable silicon atom.

铝可以通过俘获。粒子、排出质子而被蜕变成一种稳定的硅原子。

Type of radioactive disintegration ( see radioactivity) in which some unstable atomic nuclei dissipate excess energy by spontaneously ejecting an alpha particle.

放射性蜕变的一类，某些不稳定原子核自发射出一个α粒子以耗散过剩能量。

In addition, the survival rates of the cells in groups exposed to alpha particle irradiation followed by NNK administration were significantly lower than that of cells treated with NNK administration followed by alpha particle irradiation.

此外还发现α粒子照射后NNK染毒的细胞存活率明显低于NNK染毒后α粒子照射组。

The nature of the nuclear transformation could be firmly established: the aluminium atom, for example, captures the alpha particle and is transformed, after expelling the proton, into an atom of silicon.

核蜕变的性质因此得到确立。例如，铝原子俘获。粒子，并在排出质子后蜕变成硅原子。

Thus the alpha particle is an exceptionally stable nuclear structure.

由此可见,α粒子是一种特别稳定的核结构.

To test the stability of observation method of soil radon, three synthetic observation holes were set up in the garden of Beichuan Government. Three methods are RaA, alpha particle track measurement and radon pipe measurement.

为了对比有关土氡观测的稳定性及观测结果的映震能力，在原北川县政府断层气观测场地内建立了三组综合观测孔，进行RaA法，氡管仪法和α径迹蚀刻法测试实验。

Allowable effective alpha particle confinement time for FEB normal operation has been assessed from the power balance and alpha particle balance equations. The result is fairly consistent with that calculated directly from the experimental database.

另外，从α粒子平衡方程和等离子体功率平衡方程出发得到的结果与直接从实验数据计算得到的结果相一致。

μ m, the slenderness ratio of less than 2 ∶ 1, the single particle of water and gypsum ratio is 0.22 and 3-days compression strength reached 61.1? MPa of alpha hemihydrated gypsum.

制备了二轴平均径12.5μm、长径比2∶1、单一粒径水膏比0.223、d抗压强度达到61.1MPa的α半水石膏。

Temperature is an important design parameter for experiments and operation in spacecraft and its payload systems. This paper introduces the CAN bus based distributed temperature measurement and control system for Alpha magnetic spectrometer, a particle physics detector which will be running at international space station.

温度是有效载荷系统设计中的一个重要参数，针对空间粒子探测器阿尔法磁谱仪（AMS），介绍一种基于CAN总线的分布式有效载荷温度测控系统。

The multiplicity distribution of charged secondary particles and correlation between sho-wer particles and heavy particles of alpha-particle interaction with nuclear emulsion at 12 A Gev are discussed. The results indicate the mean multiplicity of heavy particle increase with shower particle numbers.

本文报告了12A Gevα粒子与乳胶作用次级粒子多重数分布以及簇射粒子与重电离粒子之间的关联，得出随着簇射粒子数的增加，重电离粒子平均多重数也随着增加。

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。