Objective To establish the animal model of bone hydatid disease caused by Echinococciasis granulous, so as to investigate the law of occurrence and development of bone hydatid disease.

目的建立骨细粒棘球蚴病型,为探索骨包虫病的发生、发展律提供试验技术平台。

This paper narrated harmful composition in the gaseous state and granulous state of the steam and smoke,and the harm of smoking,appeal control smoking.

本文述说里相和粒相中的有害成分和吸的害处,呼吁要控制吸。