偏相关系数

This paper made the discussion and illation in order to study the influence of light speed on the precision of CRDS in measurement of the absorption coefficient. A numerical calculation has been done according to the data provided by the experiments and part of scientific literature.

为了考察吸收系数的测量精度受光速变化的影响程度，进行了相关的分析和推导，并根据实验及部分文献提供的数据进行了数值计算，得到了忽略光速变化将导致测量结果偏小的结论，偏差值与腔镜反射率有关。

The quantitative analysis model of soluble solids content in tomato samples was built based on Partial least squares and its correlation coefficient between prediction and actual value is 0.954, yielding standard error of calibration=0.321, standard error of prediction=0.475%.

用偏最小二乘法建立的定量分析模型，其预测值和实测值的相关系数为0.954，校正标准差为0.321%，预测标准差为0.475%。

The accuracy of measurands estimates are associated with wave length, pulse repeat frequency, correlation coefficient, spectral width, and number of sampling pairs.

偏振参量的估值精度与波长、脉冲重复频率、相关系数、谱宽和取样数有关。

Results: The whole situation of learning adjustment and self-consistency was quite well.

结果：总体自我和谐状况适中，总体学习适应性中等偏上；自我和谐的各因素与学习适应性的各因素之间大多显著相关(r=-0.471～0.336)；自我与经验的不和谐和自我的灵活性是学习适应性的有效预测变量，判定系数为0.225。

Results The values of sICAM-1,sVCAM-1 and tIgE in asthmatic patients were significantly higher than those in control (P＜0.01).There were 19 positive sIgE of artemisia pollen and 12 postive sIgE of dermatophagoides pteronyssinus in 23 patients.There was linear correlation between sICAM-1 and tIgE (R-square=0.502,standard partial regression coefficient=0.097,t=2.841,P=0.021 8) with stepwise regression analysis.

结果 血清sICAM-1、sVCAM-1、tIgE水平测定哮喘组均高于对照组(P＜0.01)；血清中以户尘螨和蒿草花粉的特异性IgE含量增高为主；经多元逐步回归分析提示血清总IgE含量与sICAM-1存在线性关系，其复相关平方为0.502，标准偏回归系数为0.097，t＝2.841，P＝

There was linear correlation between sICAM-1 and tIgE (R-square=0.502,standard partial regression coefficient=0.097,t=2.841,P=0.021 8) with stepwise regression analysis.

结果 血清sICAM-1、sVCAM-1、tIgE水平测定哮喘组均高于对照组(P＜0.01)；血清中以户尘螨和蒿草花粉的特异性IgE含量增高为主；经多元逐步回归分析提示血清总IgE含量与sICAM-1存在线性关系，其复相关平方为0.502，标准偏回归系数为0.097，t＝2.841，P＝

It is especially suitable to deal with the complicated nonlinear problem-complex structure and property relations. In this paper it is applied to solve the fungicidal activity of aseries...

用该法处理硫代磷酰胺酯类衍生物杀菌作用的构效关系，并与逐步回归和偏最小二乘法作比较，模型的复相关系数R和剩余标准差Sy都较好。

Results showed that variability coefficients of the boll number per plant were the biggest under different ecological environment.Correlative degree analysis indicated that boll weight was the leading factor restricting the boll number;lint index was one of the major factors that affected boll weight,lint percentage and seed index;seed index was the primary factor restricting lint index.Results of path analysis sho...

结果表明，不同生态环境下单株成铃的变异系数最大；关联度分析表明，铃重是制约株铃的主导因素，衣指是制约铃重、衣分及子指的主导因素，子指是制约衣指的主导因素；通径分析结果表明，株铃对籽棉产量的综合直接作用最大；偏相关分析表明，单株成铃、单铃籽棉重、衣分3个产量因素性状对产量的贡献率占总决定度的77.16%，基本上反映了产量因素的构成情况。

To reduce or remove size effect, the size classification elimination method, volume average method and normalization method based on volume were presented and the calibration and prediction results indicate that these three methods could reduce or remove the size effect effectively. The normalization method is more suit to in-line application and obtained better calibration and prediction results with the r of 0.789, 0.858 and 0.947, the RMSEC of 0.596, 0.499 and 0.313, and the RMSEP of 0.606, 0.686 and 0.413 than the results without normalization with the r of 0.716, 0.793 and 0.848, the RMSEC of 0.678, 0.592 and 0.515 and the RMSEP of 0.825, 0.764 and 0.714 for the original spectra, the first derivative spectra and the second derivative spectra with soluble solids content using partial least square method , respectively. 4. Owing to much thick skin of watermelon, contrast experiment was conducted in skin-peeled watermelon and intact watermelon to compare the influence of skin on spectra.

针对西瓜果型大且差异显著的特点，研究果型差异对可见／近红外光谱以及建模与预测结果的影响，并提出三种方法消除或减小这一影响因素，分别是分级消除法、体积平均法和基于体积的正则化方法，其中基于体积的正则化方法，更适合在线生产应用，该方法使果型大小差异明显样品的原始光谱、一阶微分光谱、二阶微分光谱在对可溶性固形物含量检测时，采用偏最小二乘法的建模与预测结果由原来的校正相关系数r分别为0.716、0.793、0.848提高到r分别为0.789、0.858、0.947，均方根校正标准偏差RMSEC由原来的0.678、0.592、0.515分别降为0.596、0.499、0.313，均方根预测标准偏差RMSEP由原来的0.825、0.764、0.714分别降为0.606、0.686、0.413； 4。

By using partial coherence function and correlation analysis, the input contribution to output for multi-input and output liner system is quanticative and qualitative discriminated when the input is correlation cases. The conclusion is extended into automobile ride comfort.

利用偏相干函数和相关分析，针对线性常系数多输入输出系统，研究了在相关输入条件下，识别输入对输出贡献大小的计算方法，并将结论应用到汽车的平顺性分析中。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。