There problems were how to calculate and allot the saw drafts,how to design the size of the buffer deck or waiting deck,how to calculate the speeds of conveyers and how to appraise and optimally select the technical scheme of lumber manufacturing.

Boundedness of fractional integral operators associated to the sections for non-doubling measures;

As application, in noncompact hyperconvex metric spaces, Ky Fan section question and intersection question are studied, and two new coincidence theorems are established.

The concept of approximation families of cone in Hausdorff locally convex space is applied to study the super efficiency and section property of super efficiency.