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LOOKING IN THE PAST

Author: Keshra Sangwal
Publication year: April 2023, Pages 178, ISBN: 979-8-89026-117-5 (paperback)

Looking in the Pastis a compilation of six stories and one essay. It is based on author’s recollection of events and observations, relying entirely on his memory, as a school boy, a research student, a post-doctoral fellow, an academic teacher, a visitor, and a witness of the society. Characters and events in a chapter are based on their sequential description over a specific period. Each chapter is a record of changing traditions, mutual relationship and general life of the people in our society with time.

After Excursion in Past and Present, published first in 2021, Looking in the Past is author’s second nonscientific book.

Contents:

• Preface.
• 1. My Sixth Class.
• 2. When I Acquired Higher Education.
• 3. Days in Socialism.
• 4. Amidst Comrades.
• 5. In Turkey.
• 6. Damned Family.
• 7. After Fifty-Four Years of Independence.
• Glossary.

Publisher: Notion Press, Chennai, India.
See: https://notionpress.com… >>

EXCURSIONS IN PAST AND PRESENT: A COLLECTION OF SHORT STORIES AND ESSAYS - Second Edition

Author: Keshra Sangwal
Publication year: August 2022, Pages 162, ISBN: 978-1-68509-991-6 (paperback)

Somewhere in late nineteen nineties the author thought that individual episodes that he heard from his elders and that he himself witnessed during his life could serve as a record of changing traditions, mutual relationship and general life of the people in the society with time. Relying entirely on his memory he constructed some of those episodes in the form of twenty short stories and essays in the compilation Excursion in Past and Present,  which was published in 2021.

This second edition is a revised version of the previous edition of the above compilation. The author has revised contents of different chapters of the previous edition following suggestions and opinions of its readers. Apart from corrections of spelling mistakes and rewriting of some of the sentences to clarify their sense in the text of the previous edition, this edition also contains more atypical words or terms in the glossary at the end.

The objective of the collection of stories and essays in this edition of the book remains the same. It presents author’s vision of events and observations. Characters and events in the short stories and essays span over a period starting from the twentieth century up to the present. Each story is a narration of strong and weak sides of human behaviour.

The present collection of the short stories and essays is author’s first non-scientific work.

Publisher: Notion Press, Chennai, India.
See: https://notionpress.com… >>

SOLVENTS AND SOLUTIONS: STRUCTURE AND PROPERTIES

Author: Keshra Sangwal
Publication year: August 2021, Pages xxiii + 476; ISBN: 978-1-78222-847-9 (paperback), 978-1-78222-990-2 (e-book)

Solvents and Solutions is a systematic compilation of important problems and developments in the investigation of selected properties of solvents and solutions published during the last three decades. The author places emphasis on explaining the basic concepts involved in understanding the properties and behavior of various solvents and solutions of electrolytes and nonelectolytes in a consistent manner. After a description of general characteristics of structure of solvents and solutions and the solubility of electrolytes and nonelectrolytes under normal temperature and pressure conditions, the book first deals with different aspects of the density and the refractive index of solvents and dilute as well as concentrated solutions, and finally with the transport (i.e. viscosity and electric conductivity) and thermal properties of solvents and solutions. Contents of different chapters are not only self-contained but are practically independent of each other.

The book is written as a practical guide for researchers who are looking for an up-to-date overview of the physical and transport properties of solvents and solutions, and as a reference source for workers in chemical industries and related fields and for graduate students of chemical engineering and physical chemistry.

Contents:

• Preface.
• Frequently used symbols.
• Concentration units and their conversion.
• 1. Structure of liquids.
• 2. Solubility of electrolytes and nonelectrolytes.
• 3. Density of solvents and solutions.
• 4. Refractive index of solvents and solutions.
• 5. Viscosity of solvents and solutions.
• 6. Electrical conductivity of solvents and solutions.
• 7. Isobaric expansivity of solvents, solutions and solutes.
• Subject Index.

Publisher: Paragon Publishing, Northamptonshire, UK.
See: Solvents and Solutions: Structure and Properties, Sangwal, Keshra - Amazon.com… >>
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NUCLEATION AND CRYSTAL GROWTH: METASTABILITY OF SOLUTIONS AND MELTS

Author: Keshra Sangwal
Publication year: August 2018. Pages: xxv + 480. ISBN: 978-1-119-46157-9

The subject matter of the book deals with the description of metastable zone width and processes and phenomena associated with metastability of solutions and melts. Main emphasis is placed on low-temperature solutions which are usually involved in crystallization in different industries but melts are considered in view of the fact that crystallization of fats usually occurs from melts. Starting from the basic knowledge of solutions and fundamentals of crystallization processes, different topics are organized and discussed in a general and unified way with appropriate support of published literature and illustrative figures. The presentation of contents of different chapters has been kept at elementary level, with emphasis on the interpretation of different observations using basic concepts of nucleation and growth of crystals and undergraduate level mathematics.

Contents:

• Preface.
• Frequently used symbols.
• Chapter 1: Structure and properties of liquids.
• Chapter 2: Three-dimensional nucleation of crystals and solute solubility.
• Chapter 3: Kinetics and mechanism of crystallization.
• Chapter 4: Phase transformation and isothermal crystallization kinetics.
• Chapter 5: Nonisothermal crystallization kinetics and the metastable zone width.
• Chapter 6: Antisolvent crystallization and the metastable zone width.
• Chapter 7: Induction period for crystallization.
• Chapter 8: Ostwald ripening, crystal size distribution and polymorph selection.
• Chapter 9: Glass formation and crystallization processes.
• Appendices.
• A. Volumetric thermal expanson coefficient of melts.
• B. Relationship between thermal expansivity and other physical properties.
• C. Relationship between densities of molten metals and electrolytes and their atomic mass.
• Subject Index.

Publisher: John Wiley and Sons Ltd, Hoboken, NJ, USA.
See: www.wiley.com… >>

ADDITIVES AND CRYSTALLIZATION PROCESSES
FROM FUNDAMENTALS TO APPLICATIONS

Author: Keshra Sangwal
Publication year: 2007. Pages: xvi + 452. ISBN: 978-0-470-06153-4

The monograph presents a generalized description of the mechanisms of action of additives during nucleation, growth and aggregation of crystals during various types of crystallization. The selected topics are meant to expose the reader to the importance of additives in crystallization processes, from a physicist's perspective, in diverse fields of basic research and applied activities like chemical engineering, industrial crystallization, materials science, and technology of growth of crystals.

Contents:

• Preface.
• Chapter 1: Complexes in solutions.
• Chapter 2: Three-dimensional nucleation and metastable zone width.
• Chapter 3: Knetics and mechanism of crystal growth: an overview.
• Chapter 4: Effect of impurities on crystal growth kinetics.
• Chapter 5: Dead supersaturation zone and threshold supersaturations for growth.
• Chapter 6: Mineralization in natural and artificial systems.
• Chapter 7: Morphology and size distribution of crystals.
• Chapter 8: Additives and crystallization processes in industries.
• Chapter 9: Incorporation of impurities in crystals.
• List of symbols.
• Subject Index.
• Author Index.

Publisher: John Wiley and Sons Ltd, Chichester, UK.
See: www.wiley.com… >>
Additives and Crystallization Processes | Wiley Online Books… >>

MECHANICAL PROPERTIES OF CRYSTALLINE
AND NONCRYSTALLINE SOLIDS

Authors: Aida A. Urusovskaya, Keshra Sangwal
Publication year: 2001. Pages: xvi + 292. ISBN 83-88110-47-0

The monograph gives a generalized description of the mechanical properties of different solids, both crystalline (single crystals and nanocrystals) and noncrystalline (amorphous metallic alloys, polymers and glasses).

Contents:

• Preface.
• Chapter 1: Defects in crystals.
• Chapter 2: Elastic properties of crystals.
• Chapter 3: Plasticity of crystals - principles and observations.
• Chapter 4: Dislocation dynamics.
• Chapter 5: Effect of impurities on the mechanical properties of crystals.
• Chapter 6: Fracture of solids.
• Chapter 7: Nanocrystals.
• Chapter 8: Amorphous metallic alloys.
• Chapter 9: Polymers.
• Chapter 10: Glasses.
• References.
• List of symbols.
• Subject index.

Publisher: Politechnika Lubelska, ul. Bernardynska 13, 20-950-Lublin, Poland.
Fax: +48 81 5327 364. Phone: +48 81 5384 168.
E-mail: wydawn@rekt.pol.lublin.pl; wydawnictwo@pollub.pl

ELEMENTARY CRYSTAL GROWTH

Editor: Keshra Sangwal
Publication year: 1994. Pages: xix + 556. ISBN: 83-901079-0-2

This introductory book on the subject of crystal growth is a revised English version of the book “Wzrost Krysztalow”, in Polish, which was written by a team of specialists working in different Polish institutions and published in 1990 by WSP, Czestochowa. In the book emphasis is placed on explaining the physical and technical aspects of different growth methods and phenomena, restricting mathematics to the minimum.

Contents:

• Preface.
• Chapter 1: Phase diagrams (A. Dabkowski).
• Chapter 2: Mass and heat transfer (K. Grasza).
• Chapter 3: Nucleation and precipitation (M. Jakubczyk, K. Sangwal).
• Chapter 4: Kinetics and mechanisms of crystal growth (K. Sangwal).
• Chapter 5: Physical vapour transport (L. Laskowski, J. Przyluski).
• Chapter 6: Crystal growth by Bridgman method (A. Modrzejewski).
• Chapter 7: Crystal growth by Czochralski method (M. Berkowski).
• Chapter 8: Crystal growth from low-temperature solutions (K. Sangwal, B. Wiktorowska, T. Sokolowski).
• Chapter 9: Crystal growth from high-temperature solutions (H. Dabkowska).
• Chapter 10: Crystal growth by hydrothermal method (A. Pajaczkowska).
• Chapter 11: Surface morphology of crystals (K. Sangwal).
• Chapter 12: Crystallization of epitaxial layers: fundamentals (M.A. Herman).
• Chapter 13: Vapour phase epitaxy (E. Nossarzewska-Orlowska).
• Chapter 14: Molecular beam epitaxy (M.A. Herman).
• Chapter 15: Liquid phase epitaxy (K. Borkowski).
• Chapter 16: Liquid phase electroepitaxy (Z.R. Zytkiewicz).
• Subject index.

Publisher: Saan Publishers, Lublin, Poland.
Note: out of stock.

SURFACE MORPHOLOGY OF CRYSTALLINE SOLIDS

Authors: Keshra Sangwal, Rafael Rodriguez-Clemente
Publication year: 1991. Pages: xiii + 435. ISBN: 0-87849-622-X

The monograph deals with various types of the surface morphology of crystalline solids in the form of bulk crystals and deposited layers, with emphasis on explaining the origin of a surface structure in terms of theoretical background.

Contents:

• Preface.
• Chapter 1: Surfaces of crystals and their observations.
• Chapter 2: Review of crystal growth processes.
• Chapter 3: Micromorphology of as-grown crystal surfaces.
• Chapter 4: Morphology of deposited layers.
• Chapter 5: Morphology of evaporated surfaces.
• Chapter 6: Morphology of etched surfaces.
• Chapter 7: Surface morphology in relation to the distribution of impurities and constituents.
• Chapter 8: Morphology of deformed, fractured and prepared surfaces.
• Chapter 9: Morphology molecular crystals and minerals.
• References.
• Frequently used symbols.
• Abbreviations used.
• Author index.
• Subject index.

Publisher: Trans Tech Publications, Zurich, Switzerland.
See: Surface Morphology of Crystalline Solids | Book | Scientific.Net… >>

ETCHING OF CRYSTALS
THEORY, EXPERIMENT, AND APPLICATIONS

(Series: Defects in Solids, Vol. 15, Edited by: S. Amelinckx, J. Nihoul)
Author: Keshra Sangwal
Publication year: 1987. Pages: xx + 497. ISBN: 0-444-87018-0

The monograph deals with the subject of post-dislocation etching, with emphasis on the elementary processes of dislocation etch-pit formation, the chemical aspects of the dissolution process, the interpretation of typical observations of various types of dissolution features, and the selection of dislocation etchants.

Contents:

• Preface.
• Chapter 1: Defects in crystals.
• Chapter 2: Detection of defects.
• Chapter 3: Growth and dissolution of crystals.
• Chapter 4: Theories of dissolution and etch-pit formation.
• Chapter 5: Chemical aspects of the dissolution process.
• Chapter 6: Solubility of crystals, and complexes in solution.
• Chapter 7: The kinetics and the mechanism of dissolution: a survey of experimental results.
• Chapter 8: Some typical observations on etch pits and the morphology of etched surfaces.
• Chapter 9: Morphology of etch pits.
• Chapter 10: Selection of dislocation etchants and polishing solutions.
• Chapter 11: Etching techniques in applied research and development.
• Appendix (Tables 1-6).
• References.
• List of symbols.
• List of abbreviations used.
• Author index.
• Subject index.

Publisher: North-Holland, Amsterdam, The Netherlands
See: Etching of Crystals: Theory, Experiment and Application (ISSN), Sangwal, K. - Amazon.com… >>