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The distribution formula of horizontal component force between steel anchor cell and concrete tower wall was deduced then.

在此基础上推导了水平分项索力在钢锚箱和混凝土塔壁之间的分配计算公式。

According to calculations for the partial derivative of compound function, derivatives of perimeter are deduced.

在每轮优化迭代步中，根据当前结构周长值确定周长上限值，从而避免基于数值实验的周长上限确定过程。

In order to improve the performance of aerostatic bearing and enhance the reliability of system, the chief works of this paper represents as follows: First, on the foundation of development and present research situation of internal and external aerostatic bearings, this paper summarizes the principle of aerostatic bearing, according to several assumptions of work conditions, two-dimensional Reynolds equation of isotherm compressible fluid is deduced.

为改善气体轴承的性能，提高气浮轴承转子系统的安全性、可靠性，本文进行了如下研究工作：首先，本文在综述了国内、外气体静压轴承的发展历史和研究现状的基础上对气体静压轴承基本原理进行了概述，根据小孔节流静压气浮轴承的工作状况，作了若干假设，在此基础上导出了描述气膜压力场的二维可压缩Reynolds方程。

The computational formula on pressure increment in bottomholes affected by drilling speed is deduced as well.

首先利用在钻井过程中随钻测量起钻后地面回旋的方法，自行研制开发出能够抗180℃高温，具有抗震功能的测量仪器；其次，在原有模型基础上，利用实例数据进行分析，考虑固相和多相流加速度压降的影响，研制开发了流钻欠平衡钻井环空多相流井底压力的计算模型，并推导出机械钻速影响井底压力增量的计算公式；最后，为验证模型精度，开发了钻井监测与分析计算软件，软件计算结果与实测数据叶比，误差小于3%。

Firstly, a computational formula of RS which used widely in pipelines design is introduced. Secondly, a correction formula is deduced based on Spangler model. Thirdly, a model of buried pipelines is analyzed with finite element program. After compared with different results, it is found that the result from the correction formula matches with the result of FE better than that of the design code.

以现行的管道结构设计规范为例介绍了目前管道工程设计中常用的管土相对刚度计算公式，在Spangler管道土压力模型基础上推导了计算埋地管道管土相对刚度的修正公式，并采用有限元模型分析了上埋式管道的管土相互作用机理。

Measuring the focal length of concave lens using collimator;2. The relation between the focal length of a concave lens and its reflective image properties is analysed and deduced.

本文分析推导了透镜的凹面反射成像与凹透镜焦距的关系，介绍了利用此关系较方便地测量凹透镜焦距的方法。

Adopt the generalized maximum likelihood radio test based on the Neyman-Pearson algorithm, to study two unresolved Rayleigh targets. And deduced the detection statistic which is chi-square random variable, which only need to know the conditional probability density functions of echo's measured amplitude, in-phase and quadrature of monopulse radio, but the signal-to-noise radio and the direction-off-arrival of any signal are unnecessary.

采用基于涅曼-皮尔逊准则的广义似然比检测，对不可分辨的两个瑞利目标进行了研究，推出了服从χ2分布的检验统计量，此方法只需要知道目标回波信号测量幅值的条件概率密度函数、单脉冲和差比值的同相和正交部分，而不需要任一目标信号的信噪比和DOA的先验知识。

Solution chemistry and theoretical analysis indicated that the results of heavy metal ions adsorption upon brucite conformed with Langmuir and Freundlich isotherm. The conditional stability constants of surface complexation model of brucite adsorbing Cu〓 and Pb〓 were deduced.

通过水镁石吸附重金属离子的溶液化学和理论分析表明，其吸附结果符合Langmuir和Freundlich吸附等温式，并计算出水镁石吸附Cu〓和pb〓的表面络合条件稳定常数。

Furhermore, theory of fracture mechanics is used to analyze the relation between fracture toughness and stress intensity factor, the similarity conditions of cracking property is deduced, and the model sizes of induced joint, conformed to the cracking conditions, is calculated.

在此基础上运用断裂力学理论，分析应力强度因子与断裂韧度之间的关系，推导出诱导缝的开裂特性相似条件和满足开裂条件的诱导缝模型尺寸。

The surfactant-protein interaction was studied by conductometer in this work. According to experimental results, two models of the interactions between surfactants and proteins were deduced. One is hydrophobic interaction model; the other is electrostatic force model.

较系统地研究了溶液中离子型表面活性剂与蛋白质相互作用时电导率的变化，并根据实验现象得出表面活性剂与蛋白质作用的两种模式－疏水作用模式和电荷作用模式。

So it was last week in Selma , alabama.

上星期在亚拉巴马州塞尔马市发生的事件也是这样一个转折点。

The group also spearheads various social programs in China.

该组织还带头参与中国的各种社会活动。