计算公式

The paper derives detailly the viscoplastic strain velocities of joint, intact rock, as well as multilaminate rock mass corresponding to different stress states, and presents a viscous elastoplastic F·E·M·with consideration of the stepwise excavation sequence and different supporting time of lining in underground works with large cross-section.

分别推导了在不同应力状态下节理面、完整岩石和多组节理岩体粘塑性应变速率的计算公式。提出了节理岩体大断面洞室考虑分步开挖和不同支护时间的粘弹塑性有限元数值方法。

A formula for non-dimensional synthetic electronegativity was obtained by multiple regression analysis. The correlation coefficient (R=0.9844) and test of significance Sig.

采用回归分析法，对周期表中除零族、氢及放射性元素之外的77种元素的Pauling电负性X(下标 P进行回归分析，得到了一个无量纲的综合性的电负性计算公式，相关系数(R=0.9844)和回归方程F检验的显著性水平Sig。

The two improving equations are used to estimate the volume and surface area of Muskmelon Cv. Huanghemi.

以黄河蜜甜瓜为试材，以排水法测定的体积和纸重法测算的表面积为依据，对椭球体体积与表面积计算公式进行了修正，建立了用纵、横半径估算厚皮甜瓜果实体积与表面积的新方法。

Methods According to this role that the rate between natrium and chlorine inside the mixed liquor is 3∶2 in human blood plasma and on this condition that the rate between natrium and chlorine is about 1∶1,we infer to the total amount of mixed liquor, tension and the coefficient of all kinds of liquid we need.

方法根据儿科临床常用的混合液的钠氯比为人体血浆3∶2的生理比例和钠氯比为1∶1的情况下，推导混合液中总量、张力与配制所需的液体之间存在的系数，然后推导出混合液的计算公式，并应用于临床与教学。

For the application of Mathematica in the differential geometry,this paper introduces how to processe the curve curvature and the torsion questions,the graphic expression of the curvature and the torsions,and draw curves by the curvature and the torsions. Curvature ; torsion ; solution curve ; osculating plane ; natural parameter ; natural equation

利用Mathematica，只要输入有关系统命令就可以得到期望的结果。1曲率和挠率及其图形意义假设R3上的曲线一般参数表示为r=r它的曲率和挠率计算公式是：κ=‖r′×r"‖‖r′‖3τ=‖r′×r‖我们知道，空间曲线r=r在一点(s=s0)邻近的近似方程为ξ=sη=120κs2ζ=160κ0τs3通过近似方程可以确定曲线在其基本三棱形的三个平面(即密切平面，法平面，从切平面)上的投

The Neumann boundary value prob-lem is firstly reduced into the equivalent natural boundary integral equation withthe kernel possessing 2nd-order singularity,and then the corresponding variationalproblem on the boundary is obtained.By applying Quak trigonometric wavelet basisBjsee(1.2.3as boundary elements and the method of expanding kernel functionto its Galerkin discretization,we obtain simple computational formulae of the en-tries in the stiffness matrix.

首先，我们将Neumann边值问题归化为等价的带有2阶强奇性核的自然边界积分方程，然后化为边界上相应的变分形式，以Hermite插值Quak三角小波基Bj见(1.2.3作为边界元并利用积分核函数展开法将其离散，得到了十分简单的刚度矩阵系数的计算公式，而且刚度矩阵具有十分简单的形式，它是分块循环对角阵。

Newton's second law formula: F = ma (F is force, m is mass, a for acceleration) and so on.

牛顿第二定律计算公式：F=ma（F为合力，m为质量，a为加速度）等。

The influence of switching off branch on system nodal voltages and line loads is analyzed and the concept of security margin and its calculation formula are given.

分析了支路断开对系统节点电压及线路负荷的影响，给出安全裕度概念和计算公式。

Furthermore the expressions of nonelastic displacement response spectra were also given.

为研究其抗震设计方法，选择了35次地震，212组近断层地震记录作为统计样本，根据得到的平均弹性位移反应谱，给出了近断层地震设计弹性位移反应谱表达式，并在此基础上，给出了近断层地震设计非弹性位移反应谱计算公式。

In this paper, we introduce the estimation and algorithm o f p arameter and some diagnostic statistics. We deduce the computation formula of curvature and conformal normal curvature for four perturbations of models.

本文主要介绍了指数族非线性模型的参数估计及其算法，若干诊断统计量，并将保形法曲率应用到指数族非线性模型中，推导了模型四种扰动方式的曲率和保形法曲率计算公式。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。