Certification Corner
作者:
期刊:
Opflow
(WILEY Available online 1984)
卷期:
Volume 10,
issue 1
页码: 3-8
ISSN:0149-8029
年代: 1984
DOI:10.1002/j.1551-8701.1984.tb00146.x
出版商: Wiley
数据来源: WILEY
摘要:
This month's “Certification Corner” presents questions on the following topics: flume delivery capacity; motor energy use; calcium hypochlorite and sodium hypochlorite solutions; the multiple‐tube test; preventive maintenance; centrifugal pumps; and reduced‐pressure principle backflow prevention device installation.
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