Through technical renovation to the in-taking grain elevator,reduced the Northeast maize bro-k en rate from 5%～7%to 3%.

the experiment of extruded maize with germ as beer adjunct;

The influence of paramerters (diameter of die nozzle ,temperature of barrel,speed of screw,material moisture)of extrusion of maize with germ on the observed indexes (dextrinisation degree,extract content,fat,fermentable saccharide,total acid)and the optimum parameters of this extrusion system were studied.

For analyzing the causes on degeneration of the black soil in corn belt,the authors made a pilot study of the clay mineral compositions and their distributions in the black soil of the corn belt of central Jilin,by applying the X-ray diffraction method.