residual property
3.From the perspective of property right, firstly, juridical person administration should be perfected, the system of modern universities and colleges should be built up; secondly, the pluralistic system of property right structure in public universities and colleges should be realized; thirdly, the stimulation discipline mechanism should be established which the runners in universities and colleges can extort residual properties; finally, efficient property management system should be established in public universities and colleges.
5.Abstract: This paper discusses briefly the behavior of residual elements in steel and their effect on property of steel.The contents include:the source of residual elements in steel;solidification segregation or grain boundary segregation of residual elements during casting or heat treatment;the effect of residual elements on the surface hot-shortness,the second temper brittleness,the corrosion resistance,strain aging and inhibition on grain growth.At last,it is pointed out that the production clean steel should be one of important projects for China Steel Industry in the future.

