1) the decay rate of the density and velocity
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时间衰减估计
1.
In this paper,we are mainly concerned with the decay rate of the density and velocityas t→∞.
本文主要研究粘性依赖于密度的一维可压缩Navier-Stokes方程Cauchy问题解的时间衰减估计,其内容分为如下两部分。
2) attenuation and delay matrices estimation
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衰减时延估计
3) decay estimate
![点击朗读](/dictall/images/read.gif)
衰减估计
1.
Existence and decay estimate of global solution for a nonlinear hyperbolic system with strong damping;
一类强阻尼非线性双曲型方程组解的存在性与整体衰减估计
2.
In this paper,we study the Camassa-Holm equation in whole R3,the decay estimate of H1 solutions is established by making use of Fourier transform,Plancherel theorem and dividing integral area.
研究了无界区域上的Camassa-Holm方程,利用傅立叶变换,普朗歇尔定理和区间拆分的技巧得到了Camassa-Holm方程柯西问题的解的H1衰减估计。
3.
The relationship between the time-dependent solution and steady-state solution is considered,a decay estimate between the time-dependent solution and steady-state solution is given by series of estimate on the solution under some conditions.
考虑此半导体方程瞬态解和稳态解之间的关系,通过对解的一系列估计,给出了在一定条件下瞬态解与稳态解的一个衰减估计。
4) decay estimates
![点击朗读](/dictall/images/read.gif)
衰减估计
1.
Energy-decay estimates for the solution of biharmonic equation;
![点击朗读](/dictall/images/read.gif)
双调和方程解的能量衰减估计
5) decay time
![点击朗读](/dictall/images/read.gif)
衰减时间
1.
Cerium-doped orthoaluminate(YAP:Ce) is a kind of scintillator with high light yield and fast decay time,which makes it a good choice for applications in high-energy physics and medical imaging.
Ce:YAP晶体具有优良的闪烁性能,其主要特点是衰减时间短,光产额大,在高能射线探测、核医学等方面有着广阔的应用前景。
2.
The constant of electrostatic charge decay time is an important physical quantity that can describe the electrostatics property of materials.
静电衰减时间常数是定量描述材料静电性能的重要物理量。
3.
The constant of electrostatic charge decay time is a important physical quantity that can describe the electrostatics property of materials.
静电衰减时间常数是定量描述材料静电性能的重要物理量,可以通过测量静电电荷衰减时间达到测量静电的目的。
6) decay time
![点击朗读](/dictall/images/read.gif)
时间衰减
1.
Using the decay time function of ADINA,the deformation law of the surrounding rock in the process.
利用ADINA有限元软件中的时间衰减功能真实地模拟了新奥法施工过程中围岩变形规律,提高了结果分析的精确性。
补充资料:时间
实际上,时间单位首先从天文观测来确定的,“1平太阳日或1天(1昼夜)”是以地球相对于太阳的自转周期为基准来计量的,一个平太阳日的1/86400为1秒;后来发现地球自转不均匀,1960年国际度量衡大会把时间基准改为以地球绕太阳公转周期,即规定为1900年地球公转周期(回归年)的1/31556925.9747为1秒;随着精确、稳定的原子钟制成,1967年国际度量衡大会规定国际单位制原子时的时间单位“秒(长)是两个超精细能级之间跃进所对应辐射9192631770个周期的持续时间”。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条