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题名/责任者:

Processes of formation of micro -and nanodispersed systems / A.A. Bochkarev, V.I. Polyakova.

出版发行项:

aBoca Raton : CRC Press, Taylor & Francis Group, c2016

ISBN:

9781482251456

载体形态项:

xi, 462 pages : illustrations ; 24 cm

个人责任者:

Bochkarev, A. A., 1944- author.

附加个人名称:

Polyakova, V. I., author.

论题主题:

Nanostructures.

论题主题:

Dispersion.

论题主题:

Metal vapors.

中图法分类号:

TB383

书目附注:

Includes bibliographical references and index.

内容附注:

Methodological evaluation of the prospects for the development of physical dispersion methods -- Formulation of experimental studies of homogeneous and heterogeneous vacuum condensation of metal vapours -- The formation of disperse systems on a solid substrate in heterogeneous condensation -- The formation of disperse systems by homogeneous condensation with vapour jet expansion -- 'Genetics' and the evolution of the structure of vacuum condensates -- The formation of columnar structures in co-condensation of two components as a way of producing nanosized composites -- Nanodisperse zinc-butanol composite -- Numerical simulation of molecular processes on the substrate -- Methods for direct conversion of kinetic energy to surface energy of the disperse system -- Production of metallic powders of the required composition by melting a rotating rod -- Some aspects of coalescence processes in aerosol systems -- Capture of microparticles from gas flows by condensation processes.

摘要附注:

"The disperse system is a set of individual elements of material with the characteristic dimensions considerably smaller than the dimensions of the system as a whole. The disperse medium is the medium consisting of the individual elements of the material of one phase, separated from each other by the material of the other phase. The disperse system or medium is microdisperse if the total surface area of its disperse elements influences the macroscopic properties of the material, forming the system or medium. The microdisperse system or medium is nanodisperse if the elements forming it are so small that their molecular properties greatly influence the properties of the system or medium as a whole and even lead to the formation of new properties which the homogeneous matter does not have. The new properties of the disperse systems make it possible to develop and create new technologies which are referred to as nanotechnologies. The process as a result of which the material is transformed from the homogeneous to the disperse state is referred to as dispersion. As a result of dispersion the individual elements of the matter of the produced disperse system are separated by the interlayers of a foreign medium. In the process of refining the matter the increase of the number N of the individual elements with the size r in the closed system the total area of the boundaries of the matter S with the foreign medium increase in inverse proportion to the size of the elements S ~ r-1 and in proportion to the cubic root of the number of the elements S ~ N1/3"--Provided by publisher.

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