摘要:

Advocates of metric conversion are convinced that the only way to accomplish the switch is by “total immersion,” using metric units exclusively. This idea was proposed and tested at a workshop with forty participants. An experiment was conducted to see how many remembered their heights and weights in metric units. The result was that, when forced to think metric, people will remember metric.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1975.tb00785.x

出版商:Wiley    

年代:1975

数据来源: WILEY

摘要:

A filmstrip and cassette are available to promote the use of the metric system. Included is an historical comparison and the advantages and disadvantages of both systems. A teaching guide and reading script are provided for reference during discussion periods.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1975.tb00786.x

出版商:Wiley    

年代:1975

数据来源: WILEY

摘要:

This article provides a simple and basic approach to the concept of pump curves. Pump terminology is explained. A pump curve is a graph showing the characteristics of a pump. The basic characteristics shown on the graph are capacity (flow rate), head, power (horsepower), and efficiency. It is important to show the interrelationship of these characteristics on the graph.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1975.tb00787.x

出版商:Wiley    

年代:1975

数据来源: WILEY

摘要:

Questions in this month's “Certification Corner” deal with mineral content of groundwater and surface supplies, quality uniformity of lake and river water, watershed sanitation and protection, records for safe operation of a water system, and well water monitoring.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1975.tb00788.x

出版商:Wiley    

年代:1975

数据来源: WILEY

摘要:

A meter reading tool is one of this month's “Gimmicks and Gadgets.” The tool is an automobile lug wrench converted to a meter reading hook. An automobile heater hose is slipped over the handle and taped for a better grip.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1975.tb00789.x

出版商:Wiley    

年代:1975

数据来源: WILEY