对于有限核的微观光学势通过定域密度近似获得。
The microscopic optical potential of finite nuclei is obtained with the local density approximation.
第一个线索是：人的身体密度近似于水的。人能浮于水面的关键在于肺部的空气而不是靠在水中扑腾。
The first clue is that the density of the human body is similar to the density of water, and what keeps us floating–other than the dog paddle–is the air in our lungs.
采用加权密度近似密度泛函理论研究了二元混合接枝高分子刷在不同性质溶剂诱导下的垂直相分离情况。
The density functional theory (DFT) is used to describe the perpendicular phase separation of binary mixed polymer brush grafted on a surface immersing in different solvents.
利用费米气体模型和区域密度近似分别计算单粒子能级密度，通过单粒子能级密度求得中等质量碎片（IMF）的内部配分函数。
The single particle level densities, calculated with the local density approximation and Fermi gas model respectively, are used to obtain the partition functions.
ICT的待检材料如木材、铸件和钢件等，它们的密度一般都比较均匀或相近，因此它们的ICT断层扫描图像近似于二值化图像。
The materials such as wood, cast and steel products, because their density are more homogeneous, so their image profiles which are inspected by ICT device must be binary-value images approximately.
讨讼色泊松噪声驱动系统，利用统一色噪声近似方法，得到系统几率密度主方程，定态几率分布函数及其极值方程。
By using the unified colored noise approximation method, the master equation for probability density, the steady state probability distribution function and its extrema equation are derived.
在放养密度(尾数)近似的情况下，大规格鱼种对增加池塘生产力资金增益率有显著作用。
In the case of the similar stocking density (mantissa), the large-sized fish played a distinct role in increasing capital gains rate of pond productivity.
文章介绍了数理统计中实数或向量参数的正函数的后验平均、方差和预测密度的近似计算。
This paper introduces the approximate calculation of real number's or of vector parameter positive function's posterior mean, variance and forecasting density in mathematical statistics.
计算结果表明，冲击射流所形成的脉动壁压场可用正交分解进行描述，其特征谱函数随阶数的增加而迅速衰减，对谱密度函数进行低阶近似也非常有效。
The results show that the eigen spectral functions declined with the increasing of order rapidly. The reconstruction of spectral density function shows that low order approximation is very efficient.
进一步提出临界界面电荷面密度概念，给出其工程化应用的近似公式。
Furthermore, a concept of critic density of interface charges is proposed and an approximate formula for engineering application is given.
其次，在数值求解该组方程的过程中，未知函数裂纹表面位移差被近似为位移差的基本密度函数与多项式之积。
Then these equations are solved numerically by approximating the unknown displacement difference to a product of the fundamental density function and polynomials.
采用近似等价的方法，将含有混合密度的恢复方程简化为单一密度求解。
An approximate equivalence method is used to simplify the recovery equation with mixture densities into single density.
采用求解地壳单层密度变化的一般公式，导出其平面近似公式并给出了相应的数值计算方法。
By use of the common formula for solving the time variations of the crustal density, the approximative plane formula is derived and its numerical calculation method is given.
正态混合模型还可以用来对那些不能用标准的参数分布族来拟和的总体进行密度估计或近似。
The normal mixed distribution model can be used to get probability density or to simulate population which can not be fitted by standard parameters distribution classes.
界面密度在整个直径上呈近似的U形分布。
The interphase density along the whole diameter features an approximate U-shaped distribution.
在结半径比较小的情形给出电流密度分布、磁场强度分布以及临界电流值的近似解析公式。
Approximate analytic solutions of cur-rent and magnetic field distribution and the critical current are obtained when the radius of the junction is very small.
本文提出了应用两层二度矩形棱柱体的下界面近似地模拟两个密度界面起伏的重力反演法。
The paper describes a gravity inversion the lower surface of two dimensional rectangle prisms which are in two rows can delineate the undulations of two density interfaces.
该方法采用核密度估计模型来构造近似密度函数，利用爬山策略来提取聚类模式。
This method USES kernel density estimation model to construct the approximate density function, and takes hill climbing strategy to extract clustering patterns.
在鞍点近似下，求得了系统的电子态密度和一些低温热力学量。
The electronic density of states (DOS) of the system as well as low temperature thermodynamic quantities are obtained under the saddle point approximation.
六角形节块内的中子通量密度分布采用高次多项式近似表示，最后导出通量矩方程及偏流的响应矩阵方程。应用粗网再平衡和渐近源外推方法加速收敛。
The nodal equations and response matrix equations are derived using higher order polynomial approximations to the spatial dependence of the flux within the hexagonal-z node.
具体地说，在损耗调制的情况下，系统变化前后的阈值载流子密度不同，此时小信号近似分析可能会失效，因而使用时需慎重。
More specifically, if the threshold carrier densities are different before and after the system changes, the small signal analysis should be used very carefully.
诱导爆轰距离与装填密度之间呈“U”型曲线关系，稳态爆速与装填密度之间近似呈线性增长关系。
The curve showing the relationship between predetonation distance and charge density is U-shaped and the detonation velocity rises linearly as change density increases.
很近似地说，混凝土的隔热值与其密度和强度均成反比。
Very roughly, the insulting value of a concrete is inversely proportional both to its density and to its strength.
运用密度泛函平面波赝势方法（PWP）和广义梯度近似（GGA），对替代式掺杂钒（V）的闪锌矿（ZnS）的超晶胞电子结构进行了计算。
The optical properties and electrical structure of V in ZnS supercell have been computed by means of plane wave pseudo-potential method(PWP) with generalized gradient approximation(GGA).
还有计算了在弱场条件近似下引力驻波的能量密度，并给出曲率标量R和能量密度平面的数值计算。
Besides that, we presents the gravitational wave energy density under the weak field situation and gives the x - y plane numerical calculation to curvature scalar R and energy density .
本文根据LEO中等离子体温度低、密度高、德拜长度小的特点，采用薄鞘层近似，计算了离子收集电流；
On the basis of the plasma conditions in LEO. We adopt plasma thin sheath model and calculate ion collection current.
本文根据LEO中等离子体温度低、密度高、德拜长度小的特点，采用薄鞘层近似，计算了离子收集电流；
On the basis of the plasma conditions in LEO. We adopt plasma thin sheath model and calculate ion collection current.
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