摘要:

The City of Winchester, Virginia, needed to select a method of filtration that would satisfy its unique requirements. Ultimately, membrane filtration was chosen as the best method. This article describes why the city chose this particular process.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1994.tb01230.x

出版商:Wiley    

年代:1994

数据来源: WILEY

摘要:

An effective maintenance program contributes to the efficient operation of a water system by minimizing the cost of system repairs and maximizing service to the consumer. Traditionally, maintenance programs have been directed toward repair of broken equipment. This approach is known as the “emergency repair syndrome” and works well only if there is a rich inventory of spare parts and a large group of friendly suppliers and operators who are willing to jump to the rescue at a moment's notice. This is the first in a series of three articles. Part one covers goals of a maintenance program such as: acting and not reacting; goals of routine maintenance; planned maintenance; preventive maintenance; predictive maintenance; and common sense maintenance.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1994.tb01231.x

出版商:Wiley    

年代:1994

数据来源: WILEY

摘要:

This new series is designed to build math strength and endurance. Each month over the next year, Math Aerobics will include three sections: The warm‐up (basic math skills); The aerobics workout (more difficult applied math problems); and The cool‐down (answer key). Use these calculations and others in your plant whenever possible to significantly improve your math fitness.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1994.tb01232.x

出版商:Wiley    

年代:1994

数据来源: WILEY