摘要:

Various types of glassware for lab use as well as considerations for choosing glassware and plasticware are discussed. Methods of cleaning glass and porcelain are also covered.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1976.tb00848.x

出版商:Wiley    

年代:1976

数据来源: WILEY

摘要:

Proper maintenance of pumps and motors is essential to the smooth operation of a plant. Among the topics covered are accumulation of sand in pumps and maintenance of electric motor parts such as bearings, armature and commutator, and electric circuits and control systems.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1976.tb00849.x

出版商:Wiley    

年代:1976

数据来源: WILEY

摘要:

This month's “Reference Shelf” provides information on selection of instructional media for operator training. Offered is a four volume set of booklets with the following titles: Audio‐Visual Equipment on Hand, Instructional Materials Available, Selecting Audio‐Visual Equipment, and Selecting Instructional Media and Instructional Systems.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1976.tb00850.x

出版商:Wiley    

年代:1976

数据来源: WILEY

摘要:

The use of the metric system is discussed.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1976.tb00852.x

出版商:Wiley    

年代:1976

数据来源: WILEY