Self-protection of nurses in common wards towards patients with mental disorder;

Bulk curing barn with different airflow movement direction and common barn was compared with regqard to quality of cured tobacco leaves,cost of curing,and leaf output.

The experiments on rebuilding common barns into bulk barns were conducted.

Half a year s blast monitoring,found that the radial part of blasting vibration velocity lasts longer and its main frequency is close to low rise residential house basic frequency,which results in damage.

Suggestions are following to solve the above problems: to break through the regular rules,to tax the extra-sized area of the common houses except villas,and full ta.

Referring to the ventilation way of tunnel and mine, a new kind of ventilation system that suits SARS ward ventilation and dirty wind disposal is brought forward.