Vacuum Technique

Vacuum Technique

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Vacuum Technique contains the proceedings of a meeting of the German Society for Vacuum Technique, held at Heidelberg, Germany in September 1962. The compendium is comprised of papers presented during the meeting and discusses the developments and findings of leading experts in the field on various aspects of vacuum techniques and methods. The topics covered include methods of proving the gas tightness of vacuum equipment and components; pumping systems for freeze-drying plants; and sources of surface contamination in vacuum evaporation systems. Engineers and researchers utilizing vacuum technology in research and industry will find the book highly insightful.Before the drying stage, the material can be prefrozen in many ways as: by using Cold baths (solid CO, in alcohol, ... fact it is easy to calculate that, for example at 0 :1 torr the volume occupied by l g of water vapour corresponds to about 9500 l. Only multistage steam ejectors are suitable for this purpose, but the great amount of steam and water consumed by these pumps often renders them uneconomical.

Title:Vacuum Technique
Author: G. Güntherschulze
Publisher:Elsevier - 2013-10-22

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