Impregnation

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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Impregnation

 

saturation of fixed animal tissues with certain metal salts or oxides (for example, silver nitrate, cobalt nitrate, chlorites of gold and cadmium, and osmic acid anhydride). One of the methods of revealing histological structures.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

impregnation

The process of adding chemical preservatives, resin, or fire retardants to wood under pressure. Also see Bethell process.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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