查询词典 alpha particle

The isotope 232Th has a half-life of 14 billion years and decays to 228Ra by emitting an alpha particle, which is called the alpha decay (the blue arrows show the "direction" of decay).

同位素中232Th的半衰期为14亿年和衰变40.2，82.7，32.4，28.9，94.2，69.3，57.1，71.6，64.0，71.4，692发光的一个粒子，即所谓的衰变(蓝色箭头显示的"方向"的衰变)。

The alpha ray is composed of alpha particle, alpha particle is the quick movement hellion, it is a stable atomic nucleus, alpha particle is produced when the instability nucleus have alpha decay emits.

射线是由α粒子组成的，α粒子就是快速运动的氦核，它是一个稳定的原子核，α粒子是在不稳定原子核发生α衰变时放射出来的。

Suddenly there's an alpha particle coming out of it, except the alpha particle is another universe.

突然有一个阿尔法粒子从原子核里出来，而从中间的多元宇宙里出来的是具有时间之箭的小宇宙。

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。

Radioisotope per second to launch tens of thousands of alpha particles, each alpha particle in its within a very short trip can produce thousands of positively charged ions, that is, with the oxygen ions and a layer of intensive electronic clouds.

放射性同位素每秒钟要发射上万个α粒子，每个α粒子在其很短的行程内可产生上千个离子，即带正电的氧离子及一层密集的电子云层。

By coincidence method, the calibrationn technique of ZnO:Ga crystal response to single heavy charged particle was established, the waveform response to the single alpha particle was measured, the experiments data were analysed, and the time response to single proton was gained from the plasma time relationship.

利用符合法原理，建立了ZnO：Ga晶体对单重带电粒子响应的标定方法，得到了该晶体对单α粒子的响应曲线，并对此进行了分析，根据等离子体时间的相对关系得到其对质子的时间响应范围。

In microbeam experiment, cells on a dish are individually irradiated by a predefined exact number of alpha particles, allowing the effects of exactly one alpha particle traversals to irradiate significant numbers of cells.

荷电粒子微束(Charged-particle Microbeam)是一种将粒子束斑的直径限制在微米量级范围内，并将预定个数的粒子注入到细胞中某一特定位置一种辐射装。。。

The stopping power and range of alpha particle in media are given by SRIM code, the alpha-neutron cross section is from charged particle library in JENDL, and the neutrons are treated by MCNP code.

粒子的射程与阻止本领用SRIM程序计算，截面取自最新的JENDL带电粒子库，次级中子跟踪使用MCNP程序。

A one-dimensional ion-cyclotron-resonance driven three-fluid model for the slow solar wind consisting of electrons, protons and alpha particles was constructed with emphasis on the effect of flow tube parameters on the alpha particle abundance.

建立了离子回旋共振机制驱动的一维三元（电子、质子、alpha粒子）低速太阳风流管模型，重点分析流管参数对alpha粒子丰度（定义为alpha粒子与质子数密度之比）的影响。

The performance of traditional particle filter would be degenerate in alpha stable distribution noise.A new fractional lower order particle filter based on fractional lower order model was presented in this paper,and the detailed operation algorithm was proposed.

在alpha稳定分布噪声下，传统的基于二阶模型的粒子滤波器性能会出现退化，文章提出了一种基于分数低阶模型的分数低阶粒子滤波器，并给出了具体的运算公式。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。