灵敏度

Effects of liquid viscosity coefficient on acoustic properties of acoustic low-pass filtering fiber-optic hydrophone are studied theoretically and experimentally.

理论和实验研究了液体粘滞系数对声低通滤波光纤水听器声压灵敏度频响特性的影响。

A method for determinating the activities of pectinase was proposed in this paper. It can produce the red-brown amino compounds when 3,5-dinitrosalicylic acid and aldehyde were heated together. The amino compounds had maximum absorbency at 540nm. In certain range, there was a good linear relationship between the amount of reducing sugar and the color of the reaction mixture.

针对QB1502-92标准测定方法测定高活力果胶酶、固定化果胶酶活力存在的实验误差大，重现性及灵敏度差的缺陷，提出了利用3，5-二硝基水杨酸与醛糖共热产生棕红色的氨基化合物，在一定范围内还原糖的量和含有呈色氨基化合物的反应液颜色深浅成正比的原理，在540nm下测其吸光度，从而计算出果胶酶活力的测定方法，并对测定步骤、影响因素及测定中可能出现的问题进行了试验研究。

PbWO4 and CeF3 which are newly developed inorganic scinti1latr in our country have been studied. Photo-electricity detector systemes which have high γ sensitivity and relative insensitive to neutron and fast time response were assembled by using CeF3 and photomultiplier tube. The ratio of signal-to-noise for γ ray detection can be up to more than 10 times in close distance n,γ commix pulse radiation field by using this detector system.

对PbWO4和CeF3等近年国内新研制的无机闪烁体进行了系列研究，使用CeF3分别配光电倍增管和光电管，组合出了对γ辐射灵敏度高，对中子相对不灵敏，同时脉冲响应也快的光电探测系统，应用以此为基础的探测技术在近距离n，γ混合脉冲辐射场中，可将脉冲γ辐射探测信噪比提高一个量级以上。

Error modeling and sensitivity analysis provides theoretical foundation for optimum design and error compensation of the robotic mechanism.

位姿误差建模及灵敏度分析为该复合机构的优化设计和误差补偿提供了理论基础。

The (0,1) placement variables are treated as continuous variables and then rounded after the optimization. The computational formula of the sensitivities of the freevibration frequency with respect to placement variables is derived.

在压电材料组成的桁架结构的自由振动频率优化设计中，提出了压电杆件配置的(0，1)设计变量并将其连续化处理，推导了压电桁架自振频率对该设计变量的灵敏度计算方法。

With the joint methods of measurement of mercury vapor and nuclear geophysics, one can do multi-element analysis with high sensitivity and accuracy, which is favorable to study the environmental effects and concomitance of mercury and other pollutants, to trace the pollution sources.

运用汞气测量和核物探相结合的物探方法进行颗粒汞的研究具有灵敏度和准确度高、多元素同时测定的特点，利于研究汞与其它污染元素之间的共伴生关系、追踪污染源，研究环境效应。

Detection sensitivity refers to the conditional probability of detecting a specific object given certain characteristics of the object and it's orbit.

检测灵敏度是指对检测条件概率给特定对象的对象的某些特征，它的轨道。

In chapter 4, the sensitivity analysis and design optimization of heat conduction is investigated.

第四章 研究热传导灵敏度分析和优化设计算法。

CEA, CA242 and CA19-9 were examined conjunctively, which positive findings were 85. 0% and its sensitivity、specificity、 positive predictive value and negative predictive value were 85.0%、 80.0%、 89.5% and 72.2%respectively.

CEA，CA242和CA19-9组合检测，阳性率可达85.0%，其诊断的灵敏度、特异度、阳性预测值、阴性预测值分别为85.0%、80.0%、89.5%、72.2%。

In order to resolve the consistency problem, the semiconductor planar technique is adopted to fabrica.

本实验尝试使用了半导体平面工艺制作气敏元件，以解决元件一致性方面的问题，同时要求元件有较好的灵敏度等特性。

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。