灵敏度分析

A fast finite mixture density function based adaptive importance sampling method is proposed to analysis structure failure probability and reliability sensitivity.

提出一种高效的基于混合密度函数的自适应重要抽样法，分析结构的失效概率及偏导型可靠性灵敏度。

The electromagnetic responses of the finite size induction coils were evaluated, and the effects of the borehole mud ,casing pipe and radius of the induction coils were analyzed, the sensitivity of the electromagnetic response to the formation resistivity was checked against the crosshole measurements.

分析了金属套管井中有限尺寸线圈的电磁响应特征，讨论了井眼泥浆参数﹑套管参数和不同线圈尺寸对电磁测井响应的影响，考察了金属套管中电磁测井对地层电阻率变化的灵敏度。

The fluorescent dye has wide range of application,it is characterized by high sensitivity,stability and selectivity.

标记分析是生物大分子及药物检测的重要方法，其中发光标记是最主要的方法之一，其检测的灵敏度很大程度上取决于标记物的发光强度和稳定性。

The effects of non-parallel comb plates on capacitance, sensitivity, electrostatic force and electrostatic spring constant are also discussed.

分析了电容式传感器梳齿的倾斜对传感器电容、灵敏度、静电力和静电弹簧常数的影响。

In this paper, an improved bridge method is presented through improving galvanometer sensitivity and power source voltage after analyzing the principle of bridge method deeply.

本文在深入研究分析电桥法原理的基础上，通过提高检流计灵敏度与提高电源电压两方面对传统电桥法进行改进，并成功研制了基于改进电桥法的成套设备。

Determination of Gossypol in Trace Level by Flow Injection Analysis with Chemiluminescence Detection［J］.

而我们采用的紫外法具有分析仪器普及率高、简便、价廉、快速、灵敏度高等优点。

For the ill conditioned load flow caused by the error produced in the transformation from electricity quantities to average power, direct current load flow and sensitivity vector are presented to find out the ill node, then by adjusting the load curve and generation curve in a certain principle, which is shown in detail with several flow charts, a new operation mode is reestablished to ensure the convergence of the calculation. Optimal multiplier method is proposed to work out the least square solution according to ill conditioned structural power network. The electricity quantities flow method enhances the reliability and accuracy of the calculation of the power transmission losses.

该方法可根据当前输电网中各个变电站24小时的电量记录，利用电量潮流计算对输电网总线损和各条线路损耗进行计算，使计算的精度满足降损措施分析和指标考核的要求；并且对于由负荷出力曲线转化成平均功率计算潮流时引入的误差，进而导致潮流计算不收敛的情况，采用直流潮流法，依据相角对有功功率的灵敏度向量判断出"网络异常点"，并且给出了解决此种情况的方法流程图；针对结构病态的电力系统潮流计算不收敛的情况，运用非线性约束优化方法中的最优乘子法求解潮流方程的最小二乘解，从而解决了电量潮流法计算理论线损时的收敛性问题，增强了该方法的适用性。

In chapter 7, the quantitative analysis ability and the main influence factors on sensitivity of Rifs are theoretically analyzed, the optimal condition for immunoreaction is determined. The principle of the biosensor is proved by the immunoassay experiments.

第七章从理论上分析了Rifs进行浓度测试的可能性和影响灵敏度的主要因素，优化了免疫反应条件，对研制的光纤免疫传感器进行了实验验证。

According to the refractive index change of glass, sliver and polystyrene for different incident wavelengths, the sensitivity of surface plasmon resonance sensor for different wavelengths were analyzed.

依据玻璃、银和聚苯乙烯的折射率随波长变化而改变的性质，分析了不同波长入射光条件下表面等离子体共振传感器的探测灵敏度。

One of these testing methods, eddy current, has been widely used for metal thickness measuring because of its good sensitivity, high test speed , non-contact and other advantage. The principle of eddy current testing is that, when the test coil is close to the metal conductor with alternating current, the eddy current would be inducing in the conductor, and correspongdingly, the eddy current would affect the original magnetic field, the result is the coils impedance and inducing voltage changed.

其中涡流无损检测技术具有灵敏度高、检测速度快、非接触等特点而广泛应用于金属厚度检测，它的原理是当载有交变电流的检测线圈靠近金属导体时在导体中产生涡流，该涡流又影响原磁场，使得线圈的阻抗和感应电压发生变化，通过分析阻抗或感应电压的变化来获得被测导体的信息。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐