regression relation

The regression models about non-preference indexes of the aphid in relation to pubescence density, content of epidermis wax, thickness of epidermal cell, soluble sugar and free amino acids of cotton varieties were built.

棉蚜对不同棉花品种的选择性与蜡质含量、叶毛密度、表皮层细胞厚度、可溶性总糖含量和游离氨基酸含量密切相关。

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Based on the relation of equilibrium constant with temperature, the function a ( pH, T) is derived by means of regression analysis, which formulates thea variation with temperature and pH.

根据平衡常数与温度的关系，求出非离子氨百分比a（pH，t）的表达式。

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And ( 3) Based on the relation curve among thermal conductivity, lithologic characters and earth temperature provided by Ungerer etc, the authors establish an empirical formula about the thermal conductivity of rock through double regression.

以Ungerer等提供的岩石热导率与岩性、地温之间的关系曲线为基础，采用双重回归方法建立了岩石热导率的经验公式。

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Then, it introduced the actual applications in linear regression and relation analysis of experiment data. Such as calculating slop of line, correlation coefficient, and so on.

其次介绍其在实验数据的线性回归和相关性分析方面的应用实例，如求回归直线斜率、Y轴截距和求X、Y两组数据的相关系数等；

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Study on relation between air pollution and childrens respiratory illness prevalence using two-step regression method

两步回归法研究空气污染与儿童呼吸病症率的关系

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Studying on age strength relation of the mixed fly ash concrete by using monadic linear regression, we can find its age strength relation.

本文针对掺粉煤灰普通水泥配制的混凝土，对其各龄期强度间的关系进行了研究。通过回归分析得出掺粉煤灰普通水泥混凝土的强度增长与龄期的关系式。

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The concentration factor ( CF) and time ( t) was linear regression relation.

浓集系数（CF）与时间（t）呈线性关系。

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Empirical Regression Relation of Rut Factor in Range of High Temperature

沥青车辙因子在高温范围的经验回归关系

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This paper using acid/ rock reaction apparatus, making use of linear regression, at invariable temperature rotate speed and pressure, can gain the reaction rate-acid concentration relation, then establish kinetics equation.

文章根据自行研制的酸岩反应试验装置，利用线性回归方法，在定温度、定转速和一定压力下，求得反应速率与浓度关系，进而确定酸岩反应动力学方程；

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Several statistical methods, such as factor analysis, bivariate analysis, hierarchical regression and SEM, were used to analysis the relation about OCB 、 psychology contract and organizational justice in this study;

该研究采用相关分析、方差分析、分层回归分析等统计方法分析了心理契约、组织公平和组织公民行为之间的关系；

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Basing on Archard wear model, the rule of die wear is studied by simulation, and the relation between wearing depth and the times of die service is found by means of unitary linearly regression, then the service life of die is previewed.

基于Archard磨损模型，对直齿轮温挤压模具的磨损规律进行分析，并利用一元线性回归法，找出模具表面磨损深度与服役次数之间的关系，以磨损值为判据，预测模具的使用寿命。

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