Average precipitation of three stations(TaoChengQu、RaoYang、GuCheng)in June to August being as independent and average value of three stations climate factors being as dependent,using dynamic regression functions to test precipitations of three stations in rainy season in 2001 to 2006 year,the forecast effect is better than TaoChengQu precipitations.

Application of regression equation in mathematic statistics of coal ash composition analysis;

Establishment of regression equation between impact ductility and girth joint welding parameter of X70 pipeline steel;

Relationship between biochemical indexes and hemorheology in women discussed with regression equation;

The affection of the temperature of heat board and heat plate on the heat shrinkage of polyester filament was studied in this paper; finally the regression equations were given.

Suitable regression equations aregiven,coefficients of correlation are more than 0.

In solving the regression equations, collinearity in the design matrix can result in inaccurate parameter estimates.

Body size index and body measurement regression of Cynops orientalis were established for evaluating artificial raining results, determining suitable capture size and time for biophysical and pathological analyses and medicinal uses.

Regressive Equation of Weight Loss in Oxidation for High Speed Steels;

Establish the Regressive Equation of Vecuronium Infusion Rate during Acute Hypervolemic Hemodilution;

The connection between low temperature tempering parameters and hardness of the cold rolling work rollers after 50/250 Hz double frequency induction quenching is introduced A strong negative linear correlativity between the tempering parameters and hardness is shown by regressive equation computatio

The aging resistance were compared through variation in the n -pentane asphaltene after test of rolling thin film (163 ℃,5 h), instability index ( I c) and the aging index among five heavy paving asphalt and Regress equation was established among crude oil distillation temperature, its use characteristics and the content of binders in Liaoshu area.

The N10-Cu regress equation is obtained after analyzing the testing data.

Based on the investigation of the leaf size and shape of three wine vine cultivars (Cabernet Sauvignon, Melot and Alkabus) in 2 experimenting grounds, the regress equations of leaf area ( y ) to leaf width ( x ) were built.