灵敏度

The sensitivity, specificity, PPV, and NPV of ECE for BE patients undergoing surveillance were 79%, 78%, 94%, and 44%, respectively. The sensitivity, specificity, PPV, and NPV for erosive esophagitis were 50%, 90%, 56%, and 88% and for hiatal hernia were 54%, 67%, 83%, and 33%, respectively.

腐蚀性食管炎的ECE相对于BE的灵敏度，特异性，阳性预测值以及阴性预测值分别为50%， 90%， 56%，和88%，食道裂孔疝的ECE相对于BE的灵敏度，特异性，阳性预测值以及阴性预测值分别为54%， 67%， 83%，和 33%。

The experiment result shows, when extra magnetic field B=0, and supply voltage VDS is constant, inequipotential potentials VHO of the nc-Si/c-Si heterojunction MAGFET are close to zero output with increasing absolute value of the gate biased voltage VGS. Adopting gate biased voltage to compensate inequipotential potentials, compared with extra compensation resistance method, could improve magnetic sensor sensitivity, when supply voltage VDS is -1.0 V, magnetic sensitivity can be improved by 18%.

实验结果表明，当外加磁场B=0时，工作电压VDS恒定时，随栅极偏置电压VGS 绝对值增加，纳米硅/单晶硅异质结MAGFET不等位电势VHO逐渐接近零位输出；采用栅极偏置电压进行不等位电势补偿较外加补偿电阻方法可以使磁传感器灵敏度得到提高，在工作电压VDS为-1.0 V时磁灵敏度约提高18%。

Comparing with diagnoses in follow-up, PET-CT imaging had a sensitivity of 85.7% and a specificity of 87.5% in diagnosis of recurrence in the same place of the primary focus; a sensitivity of 88.9% and a specificity of 85.7% in diagnosis of lymphous metastasis.

与随访结果比较PET-CT对鼻咽癌原位复发诊断灵敏度85.5%，特异性87.5%；对鼻咽癌淋巴结转移的诊断灵敏度88.9%，特异性85.7%。

Based on the nonequilibrium model, the determination of packing section division for packed column is investigated.

基于阶跃摄动测试，对非平衡模型主要参数进行了灵敏度分析，结果表明模型中的有效相接触面积的灵敏度最大。

Following from the results of sensitivity analysis of standard eigenvalue problems,the differentiability of semisimple multiple eigenvalues of nonsymmetric generalized eigenvalue problems is proved,and the derivatives of semisimple multiple eigenvalues and the series expansions of the corresponding eigenvectors are obtained.

以标准特征值问题灵敏度分析的有关结论为基础，证明了单参数非对称广义特征值问题半单重特征值的可微性，给出了特征值导数的表达式和特征向量的级数展开式。以所得结论为基础，定义了广义特征值问题半单重特征值的灵敏度，给出了确定矩阵对中敏感元素的方法

The results showed that in evaluation of the method by detecting 50 RHD 1227A positive and 50 RHD 1227A negative individuals, the genotyping method displayed a sensitivity of 100% and a specificity of 100%; in evaluation of the method by detecting 33 DEL positive and 89 DEL negative individuals, the sensitivity was 100%, however, there were two serologically negative samples which were confirmed as positive using genotyping method.

结果表明：在50例RHD 1227A阳性和50例RHD 1227A阴性的Rh阴性样本中基因分型方法的灵敏度和特异性都是100％；在33例DEL阳性样本和89例DEL阴性的样本中，基因分型方法的灵敏度为100％，有2例样本血清学结果为阴性而基因分型结果为阳性，重新用血清学方法和序列分析方法复核这2例样本，发现2例都是血清学漏检，因而基因分型方法的特异性是100％。

The results showed that in evaluation of the method by detecting 50 RHD 1227A positive and 50 RHD 1227A negative individuals, the genotyping method displayed a sensitivity of 100% and a specificity of 100%; in evaluation of the method by detecting 33 DEL positive and 89 DEL negative individuals, the sensitivity was 100%, however, there were two serologically negative samples which were confirmed as positive using genotyping method. After re-testing these two samples with serological method and sequence analysis, it was found that original serological method gave false negative results and genotyping method still showed 100% specificity. The minimal target DNA concentration of this genotyping method is 8.13 ng/μl.

结果表明：在50例RHD 1227A阳性和50例RHD 1227A阴性的Rh阴性样本中基因分型方法的灵敏度和特异性都是100％；在33例DEL阳性样本和89例DEL阴性的样本中，基因分型方法的灵敏度为100％，有2例样本血清学结果为阴性而基因分型结果为阳性，重新用血清学方法和序列分析方法复核这2例样本，发现2例都是血清学漏检，因而基因分型方法的特异性是100％。

The properties of grating formation are studied specifically when the writing light beam incidents normally and slantingly, respectively.

分析了Bragg光栅的二阶温度、应变灵敏度和温度-应变交叉灵敏度对测摘要一量结果的影响。

Imaging classifications were also accurate for multiple system atrophy (85% sensitivity, 96% specificity, 97% PPV, and 83% NPV) and progressive supranuclear palsy (88% sensitivity, 94% specificity, 91% PPV, and 92% NPV).

对于多系统萎缩症或进行性核上性麻痹，分类图像也具有准确性（分别灵敏度为85%、特异性为96%、PPV为97%和NPV为 83%；灵敏度为88%、特异性为94%、PPV为91%和NPV 为92%）。

Weldable alloys have a composition that falls either well above or well below the maximum cracking sensitivity.

在所有可焊合金中，有某些合金的裂纹灵敏度远远低于极限裂纹灵敏度。

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。