区域地下水防污性能评价是研究和预防地下水污染的一种有效途径。
Evaluation of ground water vulnerability is an effective way to study and prevent ground water from pollution.
本研究探讨用血小板细菌筛检及24小时锁定的方法预防和控制血小板细菌污染的有效性。
This study was purposed to investigate the effectiveness of bacterial screening with 24 hours holding in preventing and controlling bacterial contamination of platelets.
研究目的研制一种新型的中药氧气湿化液——复方黄连氧气湿化液，以解决现行氧疗中湿化液污染的严重问题，降低湿化液的污染率，预防医院内肺部感染的发生。
ObjectiveTo develop a new kind of herbal humidified fluid, which can reduce the rate of contamination of humidified fluid in oxygen administration and prevent the occurrence of nosocomial pneumonia.
讨论了铅污染的主要来源，并进行了儿童铅中毒的预防对策研究。
The main source of lead pollution and the preventive method of child lead poisoning were discussed.
本文研究了氯唑沙宗的清洁生产与污染预防技术。
In this dissertation, the technology of cleaner production and industrial pollution prevention of chlorzoxazone has been studied.
本文研究了氯唑沙宗的清洁生产与污染预防技术。
In this dissertation, the technology of cleaner production and industrial pollution prevention of chlorzoxazone has been studied.
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