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Author:
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ISBN:
Category : Astronautics
Languages : en
Pages : 60
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Author:
Publisher:
ISBN:
Category : Astronautics
Languages : en
Pages : 60
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Author: Daniel Y. Gezari
Publisher:
ISBN:
Category : Infrared astronomy
Languages : en
Pages : 888
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Author: Daniel Y. Gezari
Publisher:
ISBN:
Category : Infrared astronomy
Languages : en
Pages : 632
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 178
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Author:
Publisher:
ISBN:
Category : Astronautics
Languages : en
Pages : 490
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Author: Daniel Y. Gezari
Publisher:
ISBN:
Category : Infrared astronomy
Languages : en
Pages : 680
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 650
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Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 64
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Author: Thomas Sullivan
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ISBN: 9781523484096
Category :
Languages : en
Pages : 158
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Book Description
The Catalog of Apollo Experiment Operations reviews Apollo mission reports, preliminary science reports, technical crew debriefings, lunar surface operations plans, and other relevant lunar experiment documents, and collects engineering- and operation-specific information by experiment. It is organized in two parts, by experiments performed (1) on the lunar surface or (2) under zero gravity. It also summarizes some of the general problems encountered on the lunar surface. For example, low gravity caused cables to stick up and get caught on boots and made it easy for instruments to fall over. Dust was also a problem that caused abrasion, visibility, and thermal control conditions. Moreover, operating in a pressure suit limits a person's activities, especially in the hands. A very important document for anyone interested in Apollo science. Originally published as NASA Reference Publication 1317 in January 1994.
Author: Faydor L. Litvin
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ISBN:
Category : Gearing
Languages : en
Pages : 130
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Book Description
This book presents recent developments in the theory of gearing and the modifications in gear geometry necessary to improve the conditions of meshing. Highlighted are low-noise gear drives that have a stable contact during meshing and a predesigned parabolic transmission error function that can handle misalignment during operation without sacrificing the low-noise aspects of operation. This book also provides a comprehensive history of the develoment of the theory of gearing through biographies of major contributors to this field. The author's unique historical perspective was achieved by assiduous research into the lives of courageous, talented, and creative men who made significant contributions to the field of gearing.
