得到简并双光子过程中原子约化密度算符非对角元。
The non-opposite angle element of two-level atom's reducible density rectangular array is obtained.
研究了依赖强度耦合多光子J—C模型的演化算符，约化密度算符及其场熵特性。
The evolution opera tor, the reduce density operator and the dynamical properties of the field entropy evolution in the intensity - dependent coupling multiphoton J - C model are studied.
根据约化密度矩阵与基态能量之间的关系，我们给出了约化保真率和量子相变之间的一般关系。
A general connection between the reduced fidelity susceptibility and quantum phase transitions is given in terms of the relation between reduced density matrix and ground-state energy.
该方法能方便、简洁地将密度主方程转化为对应的普通微分方程，并能从微分方程的解中提取出约化密度算符。
Using it we can conveniently and simply convert a ME into its corresponding differential equation and from solution of which we can extract the reduced density operator.
在本文中我们利用投影算符技巧通过刘维方程推导了系统约化密度主方程，这种方法特别适合于赝非马尔可夫的库场情况。
The master equations of a reduced system density operator , by means of the Liouville equation and the projection operators techniques have been derived.
两个两能级原子置于外部环境(热库)中，当计及原子偶极间的相互作用时，通过研究两个原子约化密度矩阵，分析原子状态消相干规律。
We study a pair of two-level atoms reducible density rectangular array when atoms by dipole-dipole interaction are put in a thermal reservoir. Decoherence of atoms is analyzed.
该方法不是从第一原理出发，因为耗散环境应该被看成是自由度为无限维的谐振子或原子系统，对它的求解最好的方式是求解约化密度矩阵方程。
This method is not from the first principle. A better approach is based on the reduced density matrix, which eliminate the infinite number of the freedoms of the dissipative environment.
为了提高机架密度，IBM开发了一种新的模块化水冷和分布系统。
To increase the rack density, IBM created a new modular water cooling and distribution system.
他们收集的数据涉及到14种变量，包括人类身高，黄金价格，树木年轮密度，以及欧洲工业化之前公元1500年到1800年之间的温度变化。
They collected data on 14 variables, such as human height, the price of gold, tree ring width, and temperature from pre-industrial Europe between the years 1500 and 1800.
复杂图形的例子包括专业化的条形图和须状图，带有完整误差的时间序列条形图，颜色编码和密度图，以及许多其他可能的图。
Examples of complicated graphs include specialized bar-and-whiskers plots, time-series with sophisticated error bars, color encodings and density plots, and many other possibilities.
林龄单因变量的蓄积量生长模型决定系数低，引入地位指数和密度指数再次参数化的生长模型可显著提高模型拟合度。
Single age variable stock volume growth model had low coefficient of determination, but it was improved a lot by introducing site index and stand density index in reparameterization.
在高度自动化的生产现场如何检测高密度pcb一直是研究人员的难题。
It is always a challenge to testing high density PCB for researchers in the high automatic manufacture field.
本论文在此基础上，着重对反映城市化（尤其是其中的郊区化）进程中日趋复杂的现代城市空间结构变化的人口密度模型进行归纳整理。
On the base of McDonald's previous work, this paper put an emphasis on the survey of modern urban density functions, which is becoming increasingly complicated under the influence of suburbanization.
种群密度亦趋于均匀化。
种群密度亦趋于均匀化。
人口密度和多样化以及大都市形成的机遇都促使一些以分享创意为主要目标的建筑的出现。
The density and diversity of people and oportunities that a big metropolis produces, encourages the apparition of places where its fundamental purpouse is sharing creativity.
然而，它们真实的振动本质并没有第三密度的振动特征，因此，当需要时它们能够物质化或者非物质化。
However, their true vibrational nature is without third-density vibrational characteristics and, therefore, they are able to materialize and dematerialize when necessary.
随着IC的高速化、高集成化、高密度化和高性能化，芯片内互连线之间的串扰已经成为影响芯片性能的重要因素之一。
With the IC's higher speed, higher integration, higher density and higher performance, crosstalk has become one of the most important factors which can influence the IC's performance.
在石漠化严重的地区，人口密度、农户居住的聚集程度、单位面积上的劳动力数量等人口指标相对较低。
In serious rocky desertification area, the indexes of density of population, gathering degree of peasants, workforce quantity are relatively lower.
低温共烧陶瓷(LTCC)技术是实现微波电路与系统小型化、高密度的重要组装和互连技术。
Low temperature co-fired ceramics (LTCC) becomes an important packaging and interconnecting technology for realizing microwave circuit and system's miniaturization and higher density.
现在使用的双源距密度测井响应关系较理想化，很多影响因素都忽略了。
The dual-detector density logging response relation has been widely used, but some factors have been neglected.
城市化进程的不断加剧，在产生巨大经济效益的同时，也带来了城市人口膨胀、建筑密度过大、交通严重堵塞、环境持续恶化等一系列的问题。
Since the intensification of urbanization, it not only brought great economic benefits, but also the population explosion, excessive building density, terrible traffic jam, and other problems.
对CFC - 11替代、模塑泡沫低密度化等方面技术发展趋势加以讨论。
The tendency for replacement of CFC-11 and low density molded foam technologies is also discussed.
微粒的“熔合”导致零件密度增加，因此该工艺有时被称为致密化。
This "fusing" of particles results in an increase in the density of the part and hence the process is sometimes called densification.
各种非线性规范化的共同点在于它们都是基于密度均衡来解决上述变形，区别在于对笔画密度的描述不同。
All the nonlinear normalization methods resolve the above distortion based on density equalization, and differs on the stroke density description.
讨论了各种靶激光等离子体的电子温度、密度及离化态分布的特点并与理论计算的结果进行了初步的比较。
The ionization state distributions of different targets are also discussed and compared with the theoretical calculated results for a simple model.
聚氯乙烯糊用掺混树脂是一种颗粒外观球形化、表观密度较高、吸油率低的悬浮聚合树脂。
The PVC paste blending resin is a kind of suspension polymerized resin with spheric particle morphology, high apparent density and low oil absorption.
聚氯乙烯糊用掺混树脂是一种颗粒外观球形化、表观密度较高、吸油率低的悬浮聚合树脂。
The PVC paste blending resin is a kind of suspension polymerized resin with spheric particle morphology, high apparent density and low oil absorption.
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