The paper gained the self-guide sector parameters of the two kind self-guide system at the equivalent main course,through the theoretic analyzing and comparing between two kind of self-guide\'s parameters,incarnated the predominance of flank arrays in self-guide in detecting intermediate range and long distance target.

According to the continuative condition of the tangential fields on the slot aperture which is the inclined narrow slot on the broadwall of a sectoral waveguide,the moment method is used to calculate the magnetic current coefficient and distribution.

The general electromagnetic fields of the transverse magnetic mode(TM) in a sectoral waveguide are derived from the wave equation and the appropriate boundary conditions on the walls by using the separation variable method.

Hydroxy terminated fluorosilicone oil is an amphoteric and a little acidic silicone,determined by Inverse Gas Chromatography(IGC),selecting eight kinds of probe molecules whose acid base properties have been known,and taking net retention time t N and surface free energy parameters(γ  i,γ  i) as criteria.

The Net reserved volume (V N) on different condensed systems surfaces of several kinds of probe molecules was measured,and surface free energy parameters γ lw i,γ  i,γ  i were calculated based on V N and γ i formulas.