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1988～1997年,对济宁市5所医院物体表面与工作人员手。消毒液、室内空气细菌污染情况进行了检测。以细菌总数未超标且未检出致病菌者为合格。加强管理后的1993～1997年与未加强管理时的1988～1992年相比，前两项的合格率有明显上升，而空气的合格率改善却不明显。
From 1988 to 1997, the surface and staff of five hospitals in Jining City were involved. Bacterial contamination of the disinfectant and indoor air was tested. Those who did not exceed the total number of bacteria and did not detect pathogenic bacteria were qualified. From 1993 to 1997 after the strengthening of management, compared with 1988 to 1992 when the management was not strengthened, the qualification rate of the first two items increased significantly, while the improvement of the passing rate of air was not obvious.