查询词典 exponential decay

The transient is seen to be a decaying exponential, and the commonly used measured of the speed of decay is the time constant: The time constant is the time in seconds for the decaying exponential transient to be reduced to e-1=0.368 of its initial value.

瞬态解看上去为指数衰减的，且通常用于衡量衰减速度的是时间常数：即指数衰减的瞬态解衰减至其初始值的 36.8%所需的时间。

In particular , when f = 0 , we prove exponential decay of logn towards the constant steady state log n_∞= 0 in the L~1 norm for long times and give the explicit rate of decay.

特别地，当f=0时，边界条件记为： n=1，n_x=0，on aΩ我们证明了当时间t→∞时，log n在L~1空间中关于时间t按指数形式衰减到0，并且给出了显式的衰减速率。

Fluorescent decay temperature measurement principle was used to measure the temperature,for improving the performance of this kind of method as it has not yet reach the theoretical predict,an optimization method of enhancing the performance was brought forward,which including:(1) The trend of non-exponential variation of the actual fluorescent decay curve is the main factor leading to the result that the temperature measurement performance is not as good as describe by theoretical predict.

这一发现可用来开发高性能的荧光余辉测温装置；(2)提出截断归一化方法，通过图解和计算，得到荧光余辉非指数倾向程度的量化指标，用来优选荧光材料；(3)提出优化荧光余辉测温装置的设计概念，即物理现实、数学模型及数据处理方法要尽可能匹配，才能有效的提高装置测温性能；(4)仿真与实验验证了上述理论与方法的有效性。

Further, fluorescence decay exhibits more close to single exponential decay profiles and has longer measured lifetime.

此外萤光衰减呈现出接近单一指数衰减的曲线并且有著较长的生命期。

The decay rate of the corresponding strong solution at infinity is also given for some kinds of initial data with exponential decay.

若其初值以指数方式衰退，且空间可微，则此强解在之后的时间内也将以指数方式衰退。

Alpha decay and beta decay are generally slower processes than gamma decay.

衰变和β衰变一般比γ衰变为慢。

Baby bottle tooth decay can be said of children's serious tooth decay, its causes and adults in general similar to tooth decay, but also has its special formation background.

奶瓶性蛀牙可说是幼儿的严重蛀牙，其原因和大人一般蛀牙类似，但也有其特殊形成的背景。

This study examined the alumina ceramic membrane to deal with high turbidity water flux changes in the law of decay was found in the early running flux decay rapidly, the latter tends to slow decay, a linear decline in the overall. 51qikan.

Key words： high-alumina ceramic membrane separation of water turbidity摘要：本实验研究了氧化铝陶瓷膜处理高浊度水时膜通量衰减变化规律，发现运行初期膜通量衰减很快，后期衰减趋于平缓，总体成线性下降。

The experimental results revealed that 60% of cell decay in a nitrifying system was caused by activity decrease and 40% was caused by cell death. In a heterotrophic system, however, activity decrease was responsible for 80% of cell decay, and the other cell decay for 20% was caused by cell death.

结果表明，硝化系统细菌在衰减过程中由细胞活性降低引起的衰减约占60%，由细胞死亡引起的衰减约占40%；而在异养系统中由活性降低引起的衰减和由细胞死亡引起的衰减分别为80%和20%。

In the BNR system (SRT=15 d), the cell death was responsible for 45% of the total cell decay for nitrifying bacteria, and thus the activity decay accounted for 55% of the total cell decay.

在BNR系统中（SRT=15 d），硝化细菌在衰减过程中由细胞死亡引起的衰减约占细胞总衰减的45%，由活性降低引起的衰减约占细胞总衰减的55%。

In the chapter 2, the theoretic knowledge about the photosensitive resin and the grinding tools was firstly introduced.

第二章阐述了光固化树脂结合剂磨具的相关理论研究。

Do not use the program's indenting or margin-setting features; these will be added during typesetting.

不要使用缩排，页面边缘设置之类的选项，偶看不大懂。