It can be measured quantific ationally with 72 - 1 spectropotometer that there is a negative linear correlation between the optical density and mass fraction of modified KHm solution, because the varied structure changed its physical property,which can he used to judge the reaction degr.

It is commonly agreed that there is a simple linear relationship between the fabric flammability and the fabric weight.

The linear relationship between boiling temperature and salt concentration was verified by the experimental results and thermodynamical theory.

In this thesis the kinetics hydrolysis rate constants Kobs of 23 kinds of the oxazolidine compounds,their dissocition constants Ka in aqueous solution and the helfneutralization potentials E1/2 in organic solvent were determined,and their linear relationship between each other was inquired into.

A linear relation between absorption driving force and solute concentration is proved by a geometric method.

According to the F test,the linear relation was noticeable when α= 0.

By sorting out, counting and analyzing the water quality data of BOD 5 and COD cr from the waste water of lead_zinc ore dressing, the author inquired here the linear relation of BOD 5 and CODcr that serves for water pollution monitor information responding quickly.

Morever,in this pa-per the above mentioned linear correlations are discussed.

When the self-potential(SP) method is applied to hydrogeological exploration in volcanic areas,there is a linear correlation between the range of negative SP anomalies and the thickness of the unsaturated zone measured in boreholes.

Using quadratic function proving a enhanced inequality,and obtaining three deductions about random variable of linear correlation.