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1. |
What to Look for in Centrifugal Pump Maintenance |
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Opflow,
Volume 13,
Issue 2,
1987,
Page 1-5
Louis C. Salvina,
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PDF (1513KB)
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摘要:
This article discusses factors that contribute to good centrifugal pump performance. These factors include the following: pump design and operation; development of a preventive maintenance plan; and pump installation, and its effect on pump operation and vibration.
ISSN:0149-8029
DOI:10.1002/j.1551-8701.1987.tb00446.x
出版商:Wiley
年代:1987
数据来源: WILEY
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2. |
Key‐Controlled Distribution Station Saves Money |
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Opflow,
Volume 13,
Issue 2,
1987,
Page 3-3
John A. Smith,
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PDF (73KB)
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摘要:
This article describes a keyed system which was installed by the City of Decatur, Illinois, to keep track of the amount of water used by water haulers who purchase water from the city.
ISSN:0149-8029
DOI:10.1002/j.1551-8701.1987.tb00445.x
出版商:Wiley
年代:1987
数据来源: WILEY
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3. |
Basics of Electricity |
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Opflow,
Volume 13,
Issue 2,
1987,
Page 6-7
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PDF (1030KB)
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摘要:
This article is an introduction to the basic concepts of electricity and discusses the following subjects: static electricity, dynamic electricity (direct current, alternating current, induced current), electromagnetics, electrical measurements and equipment.
ISSN:0149-8029
DOI:10.1002/j.1551-8701.1987.tb00444.x
出版商:Wiley
年代:1987
数据来源: WILEY
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