8% of total ones of α-particle spectrum.
介绍了D-T反应使用的结构不同的三种靶室,对不同角度上监测的伴随α粒子谱进行了比较和分析,改进的单管靶室大大地降低了散射的α粒子的本底,α粒子的峰谷比值达到450,α粒子的和峰明显,其计数约占α粒子总数的1。
Slowing-down effect of alpha particle in thermonuclear burn of D-T plasma;
α粒子的慢化过程对D-T等离子体聚变燃烧的影响
A three-temperature thermonuclear burn model considering the slowing-down effect of alpha particles is presented,with which the temporal evolution of temperature and particle number density are calculated.
在三温聚变燃烧点模型框架下,对比氘氚聚变燃烧过程中α粒子能量逐步沉积与瞬时沉积两种描述下等离子体的温度、离子数密度随时间的变化,针对不同的密度条件做了计算,考察了α粒子慢化过程对氘氚聚变点火的影响。
Microdosimetric spectra of α particles measured by a cylindrical flowing tissue tissue equivalent proportional counter;
用圆柱型流气式组织等效正比计数器测定α粒子微剂量谱
Objective: To develop a malignant transformation cell model induced by α particles for lung cancer research.
目的:建立α粒子照射诱发BEP2D细胞恶性转化模型。
In our experiments, syrian hamaster embryo cells (SHE) exposed to ~(238)Pu α particles acted as the target cells, the transformed frequency (TF) was determined by means of 10 days colony formation assay for appraising the promoting effect of recombinant human tumor necrosis factor α (rhTNF-α).
5Gy~(238)Pu源α粒子照射后的叙利亚地鼠胚胎细胞为靶细胞，10d克隆形成实验评价人重组肿瘤坏死因子α促癌作用。
Plasmid DNA lesions induced by α particle exposure observed with the atomic force microscopy;
质粒DNAα粒子损伤的原子力显微镜观察
A study of measuring α particle by the principle of ion collection;
用离子收集法测量α粒子技术研究
For the measurement of radon daughters using alpha spectrometers, it is important to know the difference of detection efficiencies between higher energy α particle and lower one.
在氡子体α能谱法测量中,一个需要考虑的问题是探测器对不同能量的α粒子是否具有相同的探测效率。
leadalpha age method
铅-α粒子年代测定法
Research on time discrimination of the α-γ coincidence in associated .particle technique
伴随α粒子技术中α-γ符合时间谱分辨的研究
Most of the alpha particles would go right through the foil.
大多数α粒子总是笔直地穿过簿箔。
alpha-emitting radionuclides
发射α粒子的放射性核素
Proton-～(12)C、～(16) O Scattering in the α-Particale Structure;
α粒子激发机制下的P-～（12）C、～（16）O散射
Calculation of the Angle of Deflection of α Particle in Passing Through One Thomson Atom
α粒子通过汤姆逊原子后的偏转角的计算
Calculation of α-particle's scattering angle in the Thomson atomic model
原子汤姆孙模型中α粒子散射角的计算
the radiation of alpha particles during radioactive decay.
在放射性衰变的过程中放出α粒子的辐射。
a radioactive transuranic element synthesized by bombarding einsteinium with alpha particles.
一种放射性超铀元素，用α粒子轰击锿而合成。
a radioactive transuranic element; discovered by bombarding curium with alpha particles.
一种放射性超铀元素，在用α粒子轰击锔时发现。
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。
The results are in general agreement with the literature values.
有关强的α粒子的结果与文献报道值基本相符。
EFFECT OF STOCHASTIC DAMPING RESONANCE WAVE PACKET ON ENERGETIC ALPHA PARTICLE TRANSPORT
随机阻尼共振波包对高能α粒子输运的影响
Studies on the Mechanisms of Genetic Instability Involving in the Process of α Particles Radiation Carcinogenesis;
α粒子辐射致癌的遗传不稳定性机制研究
Associate Effects of Alpha-irradiation and NNK on BEP2D Cells;
α粒子和NNK联合作用BEP2D细胞的生物学效应研究
The Study of Proton-～(12)c Inelastic Scattering in the α Particle Structure;
α粒子结构下p-～（12）c非弹性散射的研究
The Study of ～(16)O＋～(12)C Scattering by Alpha Particle Folding Model Optical Potential;
用α粒子折叠模型光学势研究～（16）O＋～（12）C散射
The fact that the alpha particles travel right through the foil means they travel through the atoms.
α粒子径直穿过簿箔这一事实意味着它们也穿过原子。