结构函数

Although the isoscalarmeson exchange currents contribute little to cross section, they have large effectto 〓/〓, which is the ratio of two structure functions of the deuteron.

尽管同位旋标量的π-反冲流、π-对流对截面的贡献不大，但对结构函数之比〓／〓却起很大的作用。

An empirical formula, r~x~-~y=0.618λ/sinθ, has been applied to carry out qualitatively structural analysis of the diffraction curve, and another r~x~-~y=7. 766/s to calculate the interatomic distance of some strong peaks from the reduced intensity curve.

用经验公式r~x~-~y=0.618λ/sinθ进行溶液衍射曲线I-θ定性结构的分析，而用另一经验公式r~x~-~y=7.766/s计算加权结构函数曲线s·i-s上某些强峰的原子间距。

The first part is involved in the principles and algorithms on minimal disjoint sum of products of the system reliability structure functions, The second part is involved in the research on system reliability models and event-sequence analysis of large complex repairable systems.

论文分为两部分，第一部分是关于系统可靠性结构函数最小不交化的原理及算法的研究；第二部分是关于大型复杂可修复系统的可靠性分析模型及事件序列分析方法的研究。

The structure function of residual wavefront phase perturbation compensated by an adaptive optics system has been derived by means of frozen turbulence hypothesis and geometric optics approach.

在采用冻结湍流假设和几何光学近似的条件下，得到了经自适应光学系统校正后的剩余波前相位扰动的结构函数。

The method of reliability numerical simulation has been presented based on the system invalidation,whose logic hypotaxis is fault tree. By replacing the structure function of the fault tree with the cuts, the course of calculation has been simplified and the computer arithmetic has been optimized.

摘 要：提出了基于系统失效性，以故障树为仿真逻辑关系的可靠性数字仿真方法，并且利用割集对故障树中的结构函数进行了替代，大大简化了仿真计算步骤，优化了计算机算法。

However, if the evaluation length is too short, the structure function logarithmic value of surface profile is scattering.

评定长度也基本上不影响分形维数的大小，但是当评定长度过小时，轮廓曲线的结构函数双对数坐标图会出现离散化现象。

In the first part, the research is focused on the minimization of the structure functions.

在第一部分中，论文以寻求最小的不交结果为目的，对结构函数的不交化进行了研究。

EMC effects reflect that free nucleon structure functions are different from bound nucleon.

EMC效应的发现反映了自由核子与束缚核子的结构函数明显不同，核环境可以影响核子的内部结构。

In this paper Ply system was used to measure the probability density function and scaling law in the turbulent boundary layer of a flat plate.

利用高分辨率、高帧率PIV系统对湍流边界层中的脉动速度结构函数及标度律进行了实验研究。

Through the present study, the velocity structure function based on locally averaged turbulent structure is proved to agree with Harr wavelet transform.

在研究过程中，验证了基于湍流结构局部平均概念的速度结构函数与Harr子波变换的一致性。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。