冲击波前方的熵密度是恒定的。
利用熵密度对自由能密度的限制,导得熵密度变化率。
By taking use of the limit of entropy density on free energy density, it deduces changing rate of entropy density.
最大熵密度函数以Z的期望和高阶中心矩为约束条件加以拟合。
The maximum entropy density function is fitted with the restriction of expectation and high DE - gree central moments of Z.
在度量空间上,对于拓朴熵为无穷大的映射补充定义拓朴熵密度。
For a map of compact metric space, topological entropy density is defined for infinite topological entropy.
用弯曲时空的熵密度对黑洞熵进行了直接计算,避免了求解场方程的困难。
With the density of entropy of curved space-time, we have calculated black hole entropy directly, and avoided the difficulty of solving the field equation.
对于有限温度情形,通过索末菲展开,得到了能量密度、自由能密度以及熵密度的解析公式。
For the case of finite temperature, the analytical energy density, entropy density and free energy density are acquired with help of Sommerfield expansion to the Fermi-Dirac integrals.
然后根据最佳参数值计算RHIC能量下粒子系统中各种粒子的粒密度、能密度和熵密度等。
Then in part four, the quantities such as particle density, energy density at RHIC energy are calculated with these parameters' values.
计算熵密度函数时采用牛顿迭代法,从而解决了在分析基桩竖向承载力的可靠度时可能产生的迭代不收敛的情况。
The Newton iterative method is used in the calculation of entropy density function, by which the non-convergence issue in the calculation for the vertical bearing capacity of piles is solved.
这样我们发现黑洞视界附近的量子态密度变得有限,从而消除了砖墙模型中熵的发散而不需要采取任何不自然的截断。
Therefore, we find the quantum states density becomes finite near the horizon of black hole and the divergence of entropy in the brick wall model is removed without any unnatural cutoff.
讨论了管内流体雷诺数(无污垢时)和无因次热流密度等参数对无因次熵产相对增加数的影响。
Also discussed is the effect of parameters such as in tube fluid Reynolds number (in the absence of fouling) and dimensionless heat flux density on the above mentioned increment number.
给出确定利用最大熵原理建立的功能函数概率分布密度的待定参数时由高斯积分表达的离散化公式。
Discrete formulas expressed by Gauss-quadrature are presented when determine the parameter of probability density function which is established based on maximum entropy theory.
根据土地利用、人口密度和公交站点覆盖率确定各交通区的公交分担率,得出交通区公交出行量,再应用最大熵原理进行公交出行分布预测。
According to the land use, population density and coverage percentage of the public transport station, the sharing of public transport among traffic zones and their travel demand can be determined.
采用由广义不确定关系得到的新的态密度方程,研究了球对称退化背景下黑洞的熵。
We gave a new equation of state density by the generalized uncertainty relation, studied black hole entropy on degenerate background of sphere symmetry.
发现压力和速度主要体现声特征,熵和组分主要体现流特征,而密度和温度既体现声特征又体现流特征。
It is found that the pressure and velocity disturbances run at sound speed, the entropy and components at flow speed, the temperature and density partly at sound speed, partly at flow speed.
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.
指明非平衡系统的宏观熵产生是由其微观状态数密度在空间随机地不均匀离开平衡引起的。
It shows that the macroscopic entropy production in a nonequilibrium system is caused by spatially stochastic and inhomogeneous departure from equilibrium of the number density of micro-states.
具有较高堆积密度成分的合金具有较高混合熵和较高的非晶形成能力。
The alloys with high pack density possess high mixing entropy and high glass forming ability.
根据系统密度矩阵,讨论了系统熵随时间的演化和系统光子统计性质。
According to the system density matrix, discussed the evolution of the system entropy with time and photon statistical properties of the system.
计算了密度矩阵、配分函数和熵。
简要介绍最大信息熵原理及其概率估计方法,推导出二阶矩意义下的最大熵概率密度分布表达式。
The maximum entropy principle method and the corresponding probability evaluation method are introduced, and the maximum entropy probability distribution expression is deduced in two degree moment.
例如,北卡罗莱纳州立大学的科研团队利用锂、镁、钛、铝以及钪合成了一种纳米晶体高熵合金,该合金密度低,但强度却很高。
For example the NC State research teamcombined lithium, magnesium, titanium, aluminum and scandium to make ananocrystalline high-entropy alloy that has low density, but very high strength.
我们利用密度矩阵重整化群方法来研究熵的对数行为。
The method of density matrix renormalization-group is applied to obtain logarithmic behavior of the entropy.
为了对结构的安全程度进行度量,反映结构破坏是“从无序向有序”不断演化这一过程,考虑了应变能密度的分布对结构安全性的反映,引用熵的理论进行了分析。
To evaluate the degree of security of structures, reflect the failure course is from disorder to order, the reflection of strain energy density is considered, the entropy is used in analysis.
为了对结构的安全程度进行度量,反映结构破坏是“从无序向有序”不断演化这一过程,考虑了应变能密度的分布对结构安全性的反映,引用熵的理论进行了分析。
To evaluate the degree of security of structures, reflect the failure course is from disorder to order, the reflection of strain energy density is considered, the entropy is used in analysis.
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