查询词典 exponential decay

Though beta decay is in general a slower process than gamma or alpha decay, beta particles can penetrate hundred s of times farther than alpha particles.

虽然与γ衰变或α衰变相比，β衰变是一个较慢的过程，但β粒子的穿透距离要比α粒子的大几百倍。

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)。

Though beta decay is in general a slower process than gamma or alpha decay, beta particles can penetrate hundreds of times farther than alpha particles.

虽然与γ衰变或α衰变相比，β衰变是一个较慢的过程，但β粒子的穿透距离要比α粒子的大几百倍。

The model offers an alternative or supplemetal hypothesis to simple diffusion of decay agents into the woody substrate during brown-rot decay.

模型提供 an选择或对朽烂代理简单的扩散的supplemetal假说到里在棕色腐烂朽烂期间的the木质的基体。

Type of decay called baby bottle tooth decay or early childhood caries destroys enamel quickly and is common in children.

型龋齿称为奶瓶龋或幼儿龋齿，破坏牙釉质非常迅速，常见于儿童。

In the International System of Units, the unit of radioactivity becquerel Harrell, called becquerels, symbol Bq, 1Bq equal to 1 second of radionuclides in the nucleus occurred within a decay, that decay 1Bq = 1 times / sec .

在国际单位制中，放射性活度的单位为贝可勒尔，简称贝可，符号为Bq，1Bq等于放射性核素在1秒钟内有1个原子核发生衰变，即1Bq=1次衰变/秒。

The neutrino was first postulated in 1930 by Wolfgang Pauli to preserve the conservation of energy, conservation of momentum, and conservation of angular momentum in beta decay—the decay of an atomic nucleus into a proton, an electron and an antineutrino.

中微子是1930年由沃尔夫冈泡利为了保持能量守恒，动量守恒和β衰变---一个原子核（那时还没有认识到是中子）衰变成一个质子、一个电子和一个反中微子的角动量守恒，。

Firstly, based on the parameters of apparent resistivity, apparent chargeability, half decay time, decay rate and the relativity of water inflow, it uses multivariate regression method to establish the prediction model. Then, through the variance test, it shows that it is feasible to use the model to predict the water content quantitatively in the exploration region.

基于视电阻率、视极化率、半衰时、衰减度等参数和涌水量的相关性，利用多元回归方法建立地下水量预测模型，通过方差检验，说明用此模型对勘探区内进行含水量的定量预测是可行的。

In this paper, the problem of the robust stability and decay estimations of such control system is considered. Several new criteria are given by applying the differential theorem, the decay rate for this class of system is also obtained.

根据微分方程理论和矩阵指数特性，提出了具有不确定性的时滞控制系统与时滞相关和与时滞无关稳定的充分性判据，并给出系统衰减速率的估计方法。

"If these devotees of sacrifice do not cross beyond birth and decay through sacrifice, Sir, then by what practice does one cross beyond birth and decay in this world of gods and men?"

可尊敬的布那迦说道："如果他们热衷祭祀，不能通过祭祀超越生和老，那么，可尊敬的人啊！在这神界和人界，谁能超越生和老？"

The small blue capacitor has very high chances to go fully shorted compare to electrolytic capacitor which is very rare.

小蓝电容器具有很高的机会去充分地缩短了比较电解电容器，这是非常罕见的。

In the Italian campaigns of 1513 and 1515, when the Swiss won the victories of Novara and Marignan, he acted as army chaplain.

在意大利的运动， 1513年和1515年，当瑞士赢得了胜利，诺瓦拉和marignan ，他担任军队的牧师。