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Calculations Made Easy with Memory Machine |
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Opflow,
Volume 8,
Issue 1,
1982,
Page 1-7
Robert L. Sturtz,
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PDF (793KB)
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摘要:
This article describes the capabilities of small programmable calculators. A sample calculator program for determining the amount of chlorine needed to disinfect a water main is included.
ISSN:0149-8029
DOI:10.1002/j.1551-8701.1982.tb00024.x
出版商:Wiley
年代:1982
数据来源: WILEY
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| 2. |
Certification Corner |
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Opflow,
Volume 8,
Issue 1,
1982,
Page 2-7
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PDF (866KB)
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摘要:
Valves for controlling treated‐water reservoir levels, distribution system analyses, ground storage tanks, water meter accuracy, fire hydrant operation, and pump suction readings are covered in this portion of “Certification Corner.”
ISSN:0149-8029
DOI:10.1002/j.1551-8701.1982.tb00025.x
出版商:Wiley
年代:1982
数据来源: WILEY
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Volume 8 issue 1