This monograph is dedicated to long-range floor forces sig nificant a ways past a unmarried monolayer and felt over tens or maybe thousands of molecular layers adjoining to an interface. The transi tion from the idea that of short-range results that reigned previous to the idea that of long-range forces at the same time signified the transition from a two-dimensional global to a third-dimensional one, incomparably richer in physicochemical phenomena. This transition took decades and advanced via many steps. it all started with the Gouy-Chapman concept of diffuse ionic atmospheres, which including London's conception of molecular forces was once used as a foundation for the advance (beginning in 1937) of the DLVO conception of balance of lyophobic colloids. extra elaboration of the idea concerned the advent of latest varieties of strength, and a generalization (in 1954) to the case of interplay among in contrast to debris (hetero coagulation). This thought is key in such large-scale prac tical difficulties as flotation, water therapy, dyeing, soil technological know-how, microbiology, and interplay among organic cells. This publication is the 1st finished monograph dedicated to sur face forces. This truth makes it more straightforward to draw the reader's curiosity; but, the reader's calls for turn into all of the tougher to fulfill thoroughly. certainly, the examine that we assessment and study the following covers approximately 50 years of labor. a lot info has been collected, in order that the most challenge was once a cautious choice and an alysis.
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