The shape shaving technology reformed the traditional sharp_fang processing technology,ensured the product quality and greatly increased the production efficiency.

[Objective] Compare the results of facial trauma emergency repaired by plastic surgical method with common method[Method] From 2003,160 cases of patients with facial trauma adopts plastic surgical repair and common repair,comparing by devided into two groups,analyzing the results.

The causes of fruit let formation in Sand Pear (Pyrus pyrifolia Nakai) were determinded, and the following methods produced significant effects in stablizing the yield and enlarging fruit size: controlling the crop load by thinning flower and thinning fruit;improving light intensity by training and pruning;stimulating the transportation, tr.