方法三棱滑切固定矫治器的结构，以三棱形弓丝和具有三角槽沟的托槽为主体，由它控制矫治牙在各个方向的移动而发挥矫治作用。
Methods the structure of deltoid arch wire fixed appliance is consist of deltoid arch wire and bracket with deltoid colpus. It is used to control the tooth's moving.
荆三棱在不同水深区域的生长高度与密度表明荆三棱对水深的耐受性不强，更适合于在浅水域生长。
Height and density of Scirpus yagara Ohw in different water depth showed that the water depth endurance of Scirpus yagara Ohw was not strong, and it growed and germinated better in shallow water.
本课题对三棱的两种常用饮片——三棱片和醋三棱进行了炮制工艺、质量标准及药效学的研究。
This research mainly concerns with the processing procedures, quantitative standard and stability of Dryopteris Crassirhizoma.
应用推荐