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| 1. |
Controlling Information With a Data‐Base Manager |
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Opflow,
Volume 12,
Issue 12,
1986,
Page 1-6
Alan K. Benear,
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PDF (277KB)
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摘要:
Computerized database management systems help control the flow of information in treatment and distribution systems. This article defines databases and database management systems, describes components of database systems, discusses advantages of computerized databases, and provides guidelines for implementing database management systems and selecting database management programs.
ISSN:0149-8029
DOI:10.1002/j.1551-8701.1986.tb01177.x
出版商:Wiley
年代:1986
数据来源: WILEY
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| 2. |
Testing Leaks Is Easier With Ammonia Sponge Bottle |
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Opflow,
Volume 12,
Issue 12,
1986,
Page 3-3
Norman R. Norvelle,
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PDF (767KB)
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摘要:
Details are provided for putting together a squeeze bottle for testing for chlorine leaks with ammonia water. Materials needed include a polyethylene squeeze bottle with sealer cap, a cellulose acetate cleaning sponge, and ammonia water.
ISSN:0149-8029
DOI:10.1002/j.1551-8701.1986.tb01178.x
出版商:Wiley
年代:1986
数据来源: WILEY
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