查询词典 alpha

The detectors were irradiated with a mono-energetic beam of charged particles, which are protons, alpha particles, oxygen and iron ions.

粒子的能量刻度采用的是1／3档，在ΔE〓探测器中每道能量H〓=0.107MeV／道，在ΔE〓探测器中每道能量H〓=0.123MeV／道。

The hot alpha particle power absorption is important only when the damping is weak.

计算还得到，只有在弱阻尼的情况下，α粒子吸收的功率才是重要的。

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 SucceSs of Rutherford's theory of alpha particle scattering giveshim the distinction of having discovered the atomic nucleus.

由于卢瑟福成功地提出了Ot粒子散射理论，人们将发现原子核的荣誉归功于他。

The alpha particle radiation emitted by DU travels less than an inch and can be stopped by cloth or even tissue paper.

阿尔法粒子辐射所发出的旅行杜少於一英寸，可也阻挡不住的布，甚至卫生纸。

Its isotopes, all radioactive, are highly toxic radiological poisons because they give off alpha particle s and are specifically absorbed by bone marrow.

它的所有同位素都是放射性的，因其放出的α粒子易于被骨髓吸收而具有高度的放射性毒性。尽管具有潜在的致命性，它的毒性通常是被夸大了的。

Alpha particle s have two positive charges and a mass of four atomic mass units; they are identical to helium nuclei.

因为α粒子有两个正电荷，质量为4，射出后产生的子核的正核电荷和原子序数都比母核小两单位，质量小四单位。

It can be used to simulate the transportation of alpha particle in media, to compute the neutron yield in media contains oxygen and to track the history of the secondary neutrons.

开发了低能α粒子与中子耦合输运程序，可以计算低能α粒子在各种介质中的输运、含氧介质中的中子产额，跟踪次级中子。

Compared with the model which considering alpha particle depositing its energy instantaneously into the plasma, the temporal evolution of plasma temperature and particle number density are calculated.

第二章导出了带电粒子在等离子体中慢化的能量变化率和阻止本领，以及两种拥有独立温度的带电粒子之间的能量交换率。

Sure enough, Spirit's alpha particle X-ray spectrometer found Stapledon to be rich in silica, too.

不出所料，勇气号的α粒子 X 射线分光计发现" Stapledon "富含二氧化硅。

It makes a bridge among the exhibition companies in China, exhibition centers; exhibitioners and offer the service for exhibitioner; promote communication and interflow; act as an inter-mediator to connect the exhibition industry between China and foreign countries; pushes forward the Chinese exhibition trade, develops the interflow and cooperation of the China international conference exhibition trade, accelerates the combining process for China exhibition trade and the international counterparts.

出展世界》以《中外会展》的刊中刊形式出版，内容以介绍国外会展业及相关行业的情况(先进管理模式，成熟的理论基础，丰富的办展经验，必备的参展知识及国外著名展会展馆等)，并以此促进中国与世界各国会展业的交流与合作，其主要栏目包括：&使馆·商会&，&论坛&，&会展·德国&，&会展·法国&等。

An hour later, after nightfall, he repassed the plantation, going northward in the direction from which he had come.

一个小时后，也就是黄昏之后，他重新返回法科尔的农场，往他刚来的北方方向前去。