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mei guo yong chao sheng bo jing hua chu li yu chi shui zhi
Pages: 32
Year: Issue:  4
Journal: Tianjin Fisheries

Keyword:  GetLinkList(KeywordFilter('超声波发生器:6738鱼池水质:4648生物工程:2758工作原理:2513进水口:2347有毒物质:2135检测结果:1797净化处理:1552研究所:1419频率:1149')'kw''CJFQ');
Abstract: <正> 美国阿克伦生物工程研究所采用超声波来净化改善鱼池水质获得成功。该法是在鱼池进水口安装一台频率为20千赫、功率为100瓦的超声波发生器。检测结果表明,使水中的氯化物等有毒物质降低了72%~99.9%。其工作原理是:超声波在水中引起涡
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