查询词典 correlation

We use the filtered variables to build Ridge estimation equation, and calculate the multiple correlation coefficient, at the same time passed the correlation test of the Ridge estimation equation; we built forward neural network model based on SCG method and momentum method under the MATLAB 6.5 situation, when estimating the fuel load of the sampled plots, the average precision of the artificial neural network model is 89.51%.

利用筛选出的自变量构建岭估计方程，并通过了岭估计方程的相关检验；在MATLAB6.5环境下构建基于SCG法和动量法的前向神经网络模型，在对所设置实验样地可燃物估测中人工神经网络模型估测的平均精度为89.5%。

The correlation between BMD and age, medical history, menopause duration, BMI, FBG, HbAlc, was analysed student's t test, analysis of variance and coefficient of multiple correlation were used. Results\ BMD decreased in all 80 patients with type 2 DM, of whom 36 (45%) were diagnosed as having OP.

本研究对 80例糖尿病患者骨密度进行了检测，并对其与年龄、病程、体重指数、绝经年限、空腹血糖、糖基化血红蛋白及部分钙磷调节激素的相关性进行了分析，结果报道如下。

The study methods: Based on digital printing and offset printing technology principle, the basic parameters having effect on the ink-jet printing output quality were analyzed. And the mathematics models between the ink quantity and the solid density, and the relation between the gamma and printing contrast were established. The relation among the output dot area coverage, the original dot area coverage and the dot-gain percent was analyzed. And the mathematics models of printing characteristics curves and dot-gain curves were established. The factors influencing the dot-gain were analyzed, and then the dot-gain compensation function was acquired. All the models were verified by the method of regression analysis. And the precisions of the models were obtained by the correlation coefficient and multiple correlation coefficients.

研究方法：根据数码印刷以及胶版印刷的工艺原理，分析了影响喷墨印刷输出质量的基本参数，建立墨量与样张实地密度、γ与相对反差的数学模型；分析输出网点面积率、标定网点面积率以及网点扩大率三者之间的关系，建立网点扩大曲线和印刷阶调复制曲线的数学模型，并对网点扩大的影响因素进行了分析，导出了网点扩大补偿函数；运用回归分析方法分析模型，并用相关系数和复相关系数检验回归模型的显著性；使用灰平衡方程，结合回归法得出灰平衡控制曲线。

The gray balance curves were obtained by the gray balance function and regression analysis. The main works: The parameters in the mathematic models were ascertained, as well as all the regression functions. The models included the relation between the ink quantity and the solid density, the relation between the gamma and printing contrast, the printing reproduction curves, the dot-gain curves and the dot-gain compensation curves. The fitting accuracies of the regression models were checked out by the correlation coefficient or multiple correlation coefficients. The effect that the ink had on the solid density and the gamma on the printing contrast were analyzed. And the methods of choosing the ink and gamma were gained.

主要工作：确定了墨量与样张实地密度、γ与相对反差、阶调复制曲线、网点扩大曲线以及网点扩大补偿曲线各自数学模型中的参数，得到了回归表达式；得到了各个回归表达式的相关系数或复相关系数，检验了回归模型的拟合程度；分析了墨量对实地密度的影响以及γ对相对反差的影响，并提出了墨量和γ的选取方法；得到了喷墨印刷质量控制的灰平衡控制、网点扩大以及扩大补偿规律。

There exist strong negative correlation between crystal size and crystallinity of illite in altered mylonite of low strain and low water/rocks ratios, and positive correlation between crystal size and crystallinity of chlorite in altered untramylonite of high strain and high water/rocks ratios.

在岩石应变较弱、水／岩比较小的糜棱岩带，伊利石的平均结晶大小与结晶度成负相关，而在岩石应变较强、水／岩比较大的超糜棱岩带，绿泥石的平均结晶大小与结晶度成正相关。

It is shown from the study results that (1) SSC has obvious neap-spring and seasonal variations with periods being 14.7 days and 368 days, respectively, on an average, SSC during the spring tide was 2.96 times as much as that during the neap tide, and SSC in winter was twice as much as that in summer;(2) correlation coefficient between daily SSC and tidal range on the same day in a mean neap-spring period of 15 days was 0.86, and correlation coefficients between tidal range and daily SSC with one day and two day lag were 0.99 and 0.93, respectively, which indicates that the effect of tidal range variation on SSC has a one day or two day hysteresis;(3) the monthly mean SSC was negatively correlated with the monthly mean water discharge at the Changjiang River Datong station, especially well with the water discharge with a lag of 19 days.

悬沙浓度具有显著的大、小潮和季节性变化，变化周期分别为14.7 d和368 d，平均而言，大潮为小潮的2.96倍，冬季为夏季的2倍；2）平均大、小潮半月周期中日悬沙浓度与同日潮差之间的相关系数为0.86，与前1日潮差之间的相关系数为0.99，与前2日潮差之间的相关系数为0.93，反映潮差变化对悬沙浓度的影响有1~2d的滞后效应；3）月均悬沙浓度与长江大通站的月均流量呈显著负相关，尤其与流量滞后19d的相关性最好。

There was significantly positive correlation between stress level and strain, and negative correlation between stress level and work satisfaction.

应变能力则与紧张反应呈现明显的负相关，与工作满意度呈现明显的正相关。

The soil moisture has a negative correlation with temperature significantly, and a significant positive correlation with precipitation.

土壤湿度与降水成显著的正相关，同温度成显著的负相关。

Then we used the distribution of correlation mass and correlation emission time to determine the neutrino mass.

由于只知道中微子到达探测器的时刻，为求出中微子静质量，就需假定某些中微子是同时发射的。

ObjectiveTo investigate the expression and correlation of survivin and matrix metalloproteinase 9(MMP-9) in cholangiocarci- noma,and evaluate their correlation with invasion and metastasis in cholangiocarcinoma.

小 目的研究存活素及MMP-9在胆管癌组织中的表达情况及其相关性，了解胆管癌组织中存活素及MMP-9表达的相关性及其与胆管癌浸润转移的关系，并讨论其临床意义。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。