系数函数

For the purpose of studying the effects of decrease of cardiac contractility on orthostatic response, the time-varying elastance modulus E in the Suga and Sagawa heart model has been expressed by a product of a parameter standing for the cardiac contractility and a normalized function.

为研究心肌收缩性能降低对立位应激反应的影响，把Suga和Sagawa的心脏收缩模型中的时变弹性系数E用一个与心肌收缩性能有关的参量〓和一个形式简单、控制参量少的归一化函数〓的积表示。

Permeability of clay-solidified grouting curtain to leachate. The influence of components and their ratio of grouts, concentration and pH of leachate on permeability are studied with laboratory experiment, and the functional formula of hydraulic conductivity and content of clay and cement is brought up. Then the effects and the characters of CSGC anti-seepage to contaminant such as heavy metals and organic matter are studied.

对浆液配比、渗滤液浓度、pH值等对粘土固化浆液结石体渗透性能的影响进行了室内试验，首次给出了结石体渗透系数与粘土加量和水泥加量之间的函数关系式，研究了帷幕对不同污染物的抗渗效果和阻滞特征，并分析了其渗透性能变化的微观作用机理。

Abnormity sampling method was adopted and there was 128 sampling points in this field.The statistical laws of soil pH,organic matter,total phosphorus,total nitrogen,alkaline hydrolyzable nitrogen,available potassium and available phosphorus were analyzed, and the results indicated that the variation coefficient of soil nutrients was between 6.3% and 356.1%,pH was 5.3%.Using the geostatistica...

以土壤的pH、有机质、全磷、全氮、碱解氮、速效钾和速效磷含量为研究对象，研究其相应的统计规律，结果表明土壤各养分属性的变异系数在6.3%~35.61%之间，pH为5.3%；采用地统计的半方差函数分析，发现有机质，全氮，碱解氮和速效钾在一定范围内存在空间相关性；采用克立格方法进行最优内插，绘制了养分含量分布图，并对其空间变异进行了初步分析。

In the upper bound approach, the velocity of each node are seen as unknown quantity, with the conditions of flow rule, velocity discontinuity, velocity boundary, the energy work equation considered, then the strength safety coefficient of slope, and the corresponding kinematically admissible velocity field are obtained.

在上限法中，以结点速度为未知量，根据单元塑性流动约束条件、速度不连续约束条件、速度边界约束条件，以及由外功功率与内功功率相等条件得到的目标函数，求得了强度储备系数的上限值及相应的机动容许位移场。

It is shown by analyzing large test data that the empirical formula presented in the paper has higher linearly dependent coefficient, lower average relative error and relative standard deviation compared with the traditional empirical formula of orthoscopic and power function.

试验数据表明，本文提出的经验公式比传统的直线式和幂函数式经验公式的线性相关系数更高，且平均相对误差和相对标准差都低。

We designed Latin hypercube experiment; conducted deterministic simulation analysis for missile accuracy; designed Latin hypercube experiment and made certainty simulation analysis for missile accuracy, thus obtained the simplified functional expressions of missile's impact point deviation and error coefficient of each guidance instrument; built rapid calculation formula of prelaunch compensation quantity.

设计了拉丁超立方试验，并对导弹精度进行确定性仿真分析，得到导弹落点偏差与各制导工具误差系数的简化函数关系式，建立了导弹射前补偿量的快速计算公式。

A new data management algorithm for anycast based random sampling in sensor networks;2. Composite random sampling algorithm for scheduling concurrent projects;3. In the existing methods of random summing of total resource,the shape of the total resource curve sometimes distributes skewly,in view of which,the new method was put forward to improve random sampling .

针对现有的资源总量随机求和中存在的资源总量曲线形态有时呈偏态分布的问题，提出了对其随机抽样方法的改进方案，即把随机抽样入口由原来定义在(0，1)区间上改为定义在(0，ki)区间上(ki为第i个局部地质单元的石油资源量保险系数)，利用(0，ki)区间上均匀分布的随机数对风险分析后的资源总量分布函数进行随机抽样。

The results of calculations are tabulated and compared with calculated results obtained by means of known mathematical models.

结果证实通过样条函数计算二元系任意成份的活度系数效果都很好。

A further extension of the variable coefficient generalized Tanh method is also presented in this Chapter.

本章还给出变系数广义Tanh函数方法的一个推广，推广后的算法可以获得非线性发展方程的更多类型的精确解。

Finally, group classification of a generalized KP equation is undertaken. Group invariant solutions of the equation are obtained by combining the symmetry reduction method with the variable coefficient generalized Tanh method.

另外，我们还给出了广义Kadomtsev-Petviashvili方程的古典对称群分类，并结合变系数广义Tanh函数方法获得了其群不变解。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。