ISSN:0003-150X    

DOI:10.1002/j.1551-8833.1975.tb02303.x

出版商:Wiley    

年代:1975

数据来源: WILEY

摘要:

Presented is a biography of Jack J. Hinman, Jr., who served as AWWA's national president in 1929.

ISSN:0003-150X    

DOI:10.1002/j.1551-8833.1975.tb02304.x

出版商:Wiley    

年代:1975

数据来源: WILEY

摘要:

Recent EPA research has involved extensive investigations of hard‐ and soft‐water areas and metal intake effects relative to human health, in addition to the possibility of heavy metal removal. Discussed here is a review of information gathered by agency researchers and current research plans.

ISSN:0003-150X    

DOI:10.1002/j.1551-8833.1975.tb02307.x

出版商:Wiley    

年代:1975

数据来源: WILEY

ISSN:0003-150X    

DOI:10.1002/j.1551-8833.1975.tb02308.x

出版商:Wiley    

年代:1975

数据来源: WILEY

摘要:

Related here is a brief description of how the Cincinnati Water Works conducts its meter‐recording and accounting practices and collects more than S20 million a year.

ISSN:0003-150X    

DOI:10.1002/j.1551-8833.1975.tb02309.x

出版商:Wiley    

年代:1975

数据来源: WILEY

摘要:

As a result of a 1972 landslide in the Bull Run area of Oregon, monies were allocated to the Portland Water Bureau to conduct an investigation with the intention of ultimately preventing another such occurrence. Given here are details of that study.

ISSN:0003-150X    

DOI:10.1002/j.1551-8833.1975.tb02310.x

出版商:Wiley    

年代:1975

数据来源: WILEY

摘要:

The move toward metrication now underway in the United Kingdom should be generally completed by the end of the year. This article traces the progress toward metrication from the inception of the idea in 1790 to the present.

ISSN:0003-150X    

DOI:10.1002/j.1551-8833.1975.tb02311.x

出版商:Wiley    

年代:1975

数据来源: WILEY

摘要:

Preventive maintenance is a crucial issue for treatment plants that must be kept in continuous Operation. This article examines the use of Computers as a means for assisting maintenance Supervisors and ultimately reducing the amount of time necessary for determining exactly the problem Situation that requires maintenance.

ISSN:0003-150X    

DOI:10.1002/j.1551-8833.1975.tb02312.x

出版商:Wiley    

年代:1975

数据来源: WILEY

摘要:

This article briefly describes the planning and control principles involved in managing of maintenance Operations, the cost and benefits of which are included. Also discussed are tradeoffs between cost and level of Service and methods of budget preparation.

ISSN:0003-150X    

DOI:10.1002/j.1551-8833.1975.tb02313.x

出版商:Wiley    

年代:1975

数据来源: WILEY

摘要:

Water softening through the precipitation of insoluble carbonates is practiced commonfy enough today via the lime–soda ash process. The actual kinetics involved in removing the hard‐ness‐causing cations are, nevertheless, not well understood. This article reports the results of a research effort seeking insight into the kinetics of calcium ion removal when such removal is accomplished through the precipitation of calcium carbonate.

ISSN:0003-150X    

DOI:10.1002/j.1551-8833.1975.tb02314.x

出版商:Wiley    

年代:1975

数据来源: WILEY