Afforestation trial of bacterial wilt-resistant Casuarina equisetifolia clone "Long 7-18"

Investigation on the Crystalline Transition of Nylon-6 18;

Taking students aged 7-18 in Liaoning Province as research objects,this paper carries out a comparative study on three test data in 1985,1995 and 2005 by the method of physical index analysis to see the change trend of physical indexes of young people in our province,and provides reference for school sports and fitness activities.

Since applied, Longyan 7-3 are still large areas promotion applications throughout China,which is selected with high and steady yield, a good adaptation and commodity characteristics.