Objective: to investigate the use of antibiotic in Chengdu, and to analyze the application of antibiotic during perioperative period and make objective evaluation.
目的：了解成都地区抗菌药物的使用现状，分析围手术期抗感染用药情况，并作出客观评价。
We discuss water quality of water body with biologic index in biology monitoring of water quality, and make objective evaluation to organic pollution of water body.
本文通过水质生物监测中的生物学指标的讨论，较准确的反映被监测水体的水质状况，进而对水体有机污染程度作出客观地评价。
We discuss water quality of water body with biologic index in biology monitoring of water quality, and make objective evaluation to organic pollution of water body.
本文通过水质生物监测中的生物学指标的讨论，较准确的反映被监测水体的水质状况，进而对水体有机污染程度作出客观地评价。
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