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连续能量
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  continuous energy
     2. We discuss anisotropic, continuous energy, homogeneous transport operator A with general boundary operator in slab geometry. We prove that the operator A generates a C_0 semigroup and the second remainder of the C_0 semigroup is compact in L~p(l
     2.对具各向异性、连续能量、均匀介质的迁移算子,证明了该迁移算子A产生C_0半群和该C_0半群的Dyson-Phillips展开式的二阶余项在L~p(1<p<∞)空间上是紧的及L~1空间是弱紧的。
短句来源
     The spectrum of the transport operator A in a nonhomogeneous slab and continuous energy is discussed in consideration of anisotropic scattering and fission with generalized boundary conditions.
     研究具广义边界条件、非均匀介质、各向异性和连续能量的板模型迁移算子A的谱.
短句来源
     This paper is to research singular transport equations with anisotropic continuous energy homogeneous slab geometry for periodic boundary condition in slab geometry. It proves the transport operator generates a strongly continuous C0 semigroup and the compactness properties of the second-order remained term of the Dyson-Phillips expansion for the C0 semigroup in Lp(1
     在Lp(1连续能量、均匀介质的奇异迁移方程,证明了其相应的奇异迁移算子产生C0半群和该C0半群的Dyson-Phillips展开式的二阶余项是紧的,从而该算子的谱在区域Γ中由具有限重的离散本征值组成等结果.
短句来源
     We investigate the asymptotic spectrum and accumulation of transport operator A in slab geometry with continuous energy, anisotropic scattering and inhomogeneous medium,under generalized boundary conditions.
     研究非均匀介质、各向异性和连续能量的板模型迁移算子 A在广义边界条件下的的渐近点谱及其聚点 .
短句来源
     The objective of this paper is to research singular transport equations with anisotropic continuous energy homogeneous slab geometry for perfect reflecting boundary condition in slab geometry.
     在L1空间上研究了板几何中一类具完全反射边界条件下各向异性、连续能量、均匀介质的奇异迁移方程.
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  “连续能量”译为未确定词的双语例句
     A multigroup Monte Carlo Code MCMG is developed based on the continuous-energy Monte Carlo Code MCNP.
     基于连续能量蒙特卡罗程序MCNP开发了多群蒙特卡罗程序MCMG。
短句来源
     In Lp(1≤p≤∞)Space, This paper proves the existence of a strictly dominant eigenvalue for Neurton transport Operator in the anisotropic nonhonogeneous energy-dependent slab geometry with Generalized Boundary Conditions
     本文在Lp(1≤P<∞)空间中,对板模型中一类具广义边界条件、各向异性、连续能量、非均匀介质的中子迁移算子,论证了该迁移算子的严格占优本征值的存在性。
短句来源
     THE SOLUTION OF AN ENERGY-DEPENDENT PARAMETERIC EQUATION IN TRANSPORT THEORY
     迁移理论中一类具连续能量的参数方程的解
短句来源
     Another attractive featureis that a single wave packet contains a wide and continuous range ofenergies over which we can extract S-matrix and scatteringprobabilities.
     其次,单一波包中包含了一定范围的连续能量,我们可以从中提取S矩阵元和散射几率。
短句来源
     This paper discusses the spectrum of the neutron transport for isotropic continuate energy homogeneous in any bounded convex body, It is prove that this operator has not complex eigenvalue in the right half-plane Reλ>-d,and It is also discuss the expansion and the asymptotic stability of the solution corresponding transport equation.
     本文讨论了任意有界凸体中具各向同性连续能量均匀介质的迁移算子的谱分析 ,证明了在右半平面Reλ >-d中无复本征值 ,并讨论了相应的迁移方程解的展开式和渐近稳定性等问题。
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  相似匹配句对
     It points out the two limitations, first, the energy must be consecutive;
     第一,能量必须是连续的;
短句来源
     QSO's CONTINUUM ENERGY DISTRIBUTION
     类星体的连续能量分布
短句来源
     Z-continuous Poset
     Z-连续偏序集
短句来源
     from continuity to non-continuity;
     从连续到非连续;
     The Theory of Energy Value
     能量价值论
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  continuous energy
The electron localization area undergoes dramatic variations with the field orientation in the vicinity of the directions corresponding to the continuous energy spectrum.
      
In this paper, we consider the time dependent neutron transport system concerning a bounded convex medium inR3 with continuous energy and antisotropic scattering and fission.
      
The special example considered regards systems having a continuous energy spectrum with a lower bound.
      
The continuous energy spectrum of secondary α particles emitted in (α, α') reactions is interpreted in terms of an incoherent sum of α emissions after single and multiple α-nucleon collisions.
      
The excitation function and angular distributions of elastic α-particle scattering on 28Si have been measured in the laboratory energy range 6-28 MeV using a backscattering technique on a thick target, yielding a continuous energy distribution.
      
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In §1 we study the acceleration of nonlinear projection method. For an isolated solution u of eq. we show that the piecewise linear finite ele ment method has a unique solution u~h in a neighborhood of u and ‖u~h- u‖1 =O(h). Subsequently, u~h is used to obtain a better approximation u:‖u-u‖1=O(h~2), where u is the solution of Poisson eq.In §2 we consider the non-negative integal operator A(see (19)) and two matrices A_n and A_n (see (20) (21)). The monotonity of spectral radius p(A_n) ≤ρ(A_(n+1))≤ ρ(A) ≤ρ(A_(n+1))...

In §1 we study the acceleration of nonlinear projection method. For an isolated solution u of eq. we show that the piecewise linear finite ele ment method has a unique solution u~h in a neighborhood of u and ‖u~h- u‖1 =O(h). Subsequently, u~h is used to obtain a better approximation u:‖u-u‖1=O(h~2), where u is the solution of Poisson eq.In §2 we consider the non-negative integal operator A(see (19)) and two matrices A_n and A_n (see (20) (21)). The monotonity of spectral radius p(A_n) ≤ρ(A_(n+1))≤ ρ(A) ≤ρ(A_(n+1)) ≤ρ(A_n) has been obtained. An application of this principle to the continuous energy transport eq. (25) gives the same inequality, but in which ρ(A_n) and ρ(A_n) represent the spectralradius of two systems of multi-group eq. (26) and (27).

本文§1首先考察抽象算子方程 u=Au,对于孤立解u~*及其邻近的投影解u~h,证明了=Au~h比u~h有更好的精度.然后应用到积分,微分,等方程中去,并得出估计式 §2首先分析非负积分算子,给出了谱半径的单调逼近的方法.然后应用到连续能量的中子迁移方程上,证明了通常的多群逼近的合理性. §3将本征问题的原有解法和结果加以扩充.

In this paper the approximation theory of p-order quasi-collectively compact operators established by Mingzhu Yang and Guangtian Zhu is applied to prove that sscond type critical parament and critical flux by discrete-direction do converge to the corrsponding quantities for neutron transport problems With continuous energy. And the existence of second type critical parament and critical flux for neutron transport problems with continuous energy in the space co is shown.

本文应用阳名珠和朱广田建立的p-阶拟总体列紧算子逼近理论,证明了具连续能量中子迁移问题的第二类临界参数和临界通量之方向离散化逼近的收敛性。同时,在Banach空间c°中证明了具连续能量中子迁移问题的第二类临界参数和临界通量的存在性。

In election beam microanalysis, electron solid interaction produces signals, the spatial

在电子显微分析中,常用蒙特卡罗方法计算电子与固体相互作用所产生的各种信息及其空间分布。本章简单介绍了模拟计算的一般原理和方法。由于用来标定试样特征的各种信息强度是由电子散射几率决定的,因此着重介绍了常用的卢瑟福弹性散射截面和用分波法弹性散射截面、Bethe连续能量损失方程、描述内层电子激发的Gryziski激发函数以及Moller方程等非弹性散射的公式,及其使用的条件和效果。由于使用了蒙特卡罗方法,R.Shimizu等在俄歇电子表面定量分析中,使分析精度得到改进。我们在电子探针定量分析中,得到的计算值与实验值(尤其是包括了超轻元素碳的分析)非常接近。D.E.Newbury,T.Yamamoto对视度的计算给出了一些有意义的结果。

 
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