Immobolization of radioactive waste in ceramic based hosts : (Record no. 84495)

MARC details
000 -LEADER
fixed length control field 12478nam a22004933i 4500
001 - CONTROL NUMBER
control field EBC1640332
003 - CONTROL NUMBER IDENTIFIER
control field MiAaPQ
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20191126114530.0
006 - FIXED-LENGTH DATA ELEMENTS--ADDITIONAL MATERIAL CHARACTERISTICS
fixed length control field m o d |
007 - PHYSICAL DESCRIPTION FIXED FIELD--GENERAL INFORMATION
fixed length control field cr cnu||||||||
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 191125s2013 xx o ||||0 eng d
020 ## - INTERNATIONAL STANDARD BOOK NUMBER
International Standard Book Number 9783954896691
Qualifying information (electronic bk.)
020 ## - INTERNATIONAL STANDARD BOOK NUMBER
Canceled/invalid ISBN 9783954891696
035 ## - SYSTEM CONTROL NUMBER
System control number (MiAaPQ)EBC1640332
035 ## - SYSTEM CONTROL NUMBER
System control number (Au-PeEL)EBL1640332
035 ## - SYSTEM CONTROL NUMBER
System control number (CaPaEBR)ebr10856515
035 ## - SYSTEM CONTROL NUMBER
System control number (OCoLC)871859410
040 ## - CATALOGING SOURCE
Original cataloging agency MiAaPQ
Language of cataloging eng
Description conventions rda
-- pn
Transcribing agency MiAaPQ
Modifying agency MiAaPQ
050 #4 - LIBRARY OF CONGRESS CALL NUMBER
Classification number TD898 -- .B64 2014eb
082 0# - DEWEY DECIMAL CLASSIFICATION NUMBER
Classification number 621.4838
100 1# - MAIN ENTRY--PERSONAL NAME
Personal name Bohre, Ashish.
9 (RLIN) 88253
245 10 - TITLE STATEMENT
Title Immobolization of radioactive waste in ceramic based hosts :
Remainder of title Radioactive waste Immobolization.
250 ## - EDITION STATEMENT
Edition statement 1st ed.
264 #1 - PRODUCTION, PUBLICATION, DISTRIBUTION, MANUFACTURE, AND COPYRIGHT NOTICE
Place of production, publication, distribution, manufacture Hamburg :
Name of producer, publisher, distributor, manufacturer Diplomica Verlag,
Date of production, publication, distribution, manufacture, or copyright notice 2013.
264 #4 - PRODUCTION, PUBLICATION, DISTRIBUTION, MANUFACTURE, AND COPYRIGHT NOTICE
Date of production, publication, distribution, manufacture, or copyright notice ©2014.
300 ## - PHYSICAL DESCRIPTION
Extent 1 online resource (213 pages)
336 ## - CONTENT TYPE
Content type term text
Content type code txt
Source rdacontent
337 ## - MEDIA TYPE
Media type term computer
Media type code c
Source rdamedia
338 ## - CARRIER TYPE
Carrier type term online resource
Carrier type code cr
Source rdacarrier
505 0# - FORMATTED CONTENTS NOTE
Formatted contents note Immobolization of radioactive waste in ceramic based hosts -- Table of Contents -- Chapter 1: Ceramic Materials and Investigation of Literatures -- 1.1 Different Ceramic materials -- 1.2 Structures of Ceramic materials -- 1.3 Ceramics Properties -- 1.4 Conventional ceramics -- 1.5 Modern ceramics and their applications -- 1.6 Future Scope of the present work -- 1.7 Investigation of relevant literature -- References -- Chapter 2: Crystal Structure Refinement and instrumentation -- 2.1. Powder Diffraction method -- 2.2. Determination of crystal structure -- 2.3. Refinement of crystal structure -- 2.4. Application of Different software for solving crystal structure -- 2.5. Scanning electron microscopy -- 2.6. Energy Dispersive X-ray microanalysis -- 2.7. Impedance Spectroscopy -- 2.8. FTIR Spectroscopy -- References -- Chapter 3: Investigational Procedures -- 3.1 Characterization and synthesis of materials -- 3.2 Characterization of ceramic materials -- 3.3 Electrical properties Study -- 3.4 FTIR Spectroscopy -- 3.5 Experimental data -- Chapter 4: Outcomes of the Research Work -- 4.1 Metal Substituted Sodium Zirconium Phosphates (NZP) -- 4.2 Metal Substituted calcium zirconium phosphates: -- 4.3 Perovskites -- References -- Conclusion -- Summary.
520 ## - SUMMARY, ETC.
Summary, etc. Ceramic materials have found numerous applications in science, technology and industry as mentioned earlier. One of the recent applications of titania and zirconia based ceramic precursors is in immobilization and solidification of radioactive isotopes in waste effluents coming out of nuclear establishments and power plants. Due to long term stability and integrity of the ceramic waste forms of high and intermediate level nuclear waste, several countries have now switched over from 'glass technology' to 'ceramic technology' of radwaste management. These and many more applications make ceramics materials an interesting area of research and engineering sciences. The book is particularly aimed at scientific and technical staff in the nuclear and waste management industries in addition to universities and research organizations active in these areas. It will also appeal to a wider audience with interests in environmental issues and will be of benefit to anyone who requires background information on radioactive issues connected with nuclear energy or defense processes, or hazardous waste sources, properties and treatments using crystallographic methods.   Auszug aus dem Text Text Sample: Chapter 2, Crystal Structure RefinementAnd instrumentation 2.1, Powder Diffraction method: A major emphasis of materials science is in understanding the elemental compositions and corresponding atomic structures present in materials of interest. This knowledge confirms a material's purity and suitability for use, and allows explanation for ist properties and performance. Just as chemical elements form a plethora of compounds, so a compound may pack in different arrays to form a variety of distinct crystal structures (known as polymorphs or phases). Elemental composition and physical characteristics such as color and hardness might differentiate phases when encountered
520 8# - SUMMARY, ETC.
Summary, etc. in pure form. When in mixtures or reacted with other materials, identification of phases based on physical characteristics or elemental composition can quickly become impossible. Powder diffraction has been the staple analytical tool for chemists and materials scientists for more than 50 years. Powder diffraction is a tool to identify and characterize materials by analyzing the radiation scattering produced when the materials are illuminated with X-rays or neutrons. The patterns formed by the scattered radiation provide an abundance of information from simple fingerprinting to complex structural analysis. X-ray powder diffraction is a powerful non-destructive testing method for determining a range of physical and chemical characteristics of materials. It is widely used in all fields of science and technology [1]. The applications include phase analysis, i.e. the type and quantities of phases present in the sample, the crystallographic unit cell and crystal structure, crystallographic texture, crystalline size, macro-stress and micro strain and also electron radial distribution functions. The usefulness of powder diffraction ranges throughout all areas where materials occur in the crystalline solid state. Uses for powder diffraction are found within the following fields and beyond: Natural Sciences; Materials Science; Pharmaceuticals; Geology and Petrochemicals; Engineering; Metallurgy; Forensics; Conservation and Archaeology. The term 'powder", as used in powder diffraction, does not strictly correspond to the usual sense in the word in common language. In powder diffraction the specimen can be a 'solid substance divided into very small particles" But it can also be a solid block for example of metal, ceramic, polymer, glass or even a thin film or a liquid. The reason for this is that the important parameters for defining the concept of a powder
520 8# - SUMMARY, ETC.
Summary, etc. for a diffraction experiment are the number and size of the individual crystallites that form the specimen, and not their degree of accretion [2]. An 'ideal" powder for a diffraction experiment consists of a large number of small, randomly oriented crystallites (coherently diffracting crystalline domains). If the number is sufficiently large, there are always enough crystallites in any diffracting orientation to give reproducible diffraction patterns. 2.2, Determination of crystal structure: Atomic structure is the most important piece of information about crystalline solids: just from the knowledge of topology of the structure, a precise structural model and many physical properties of crystals can be calculated with state of-the-art quantum-mechanical methods. 'The ability to determine crystal structures directly from powder diffraction data promises to open up many new avenues of structural science. Many important materials cannot be prepared as single crystals of appropriate size and quality for conventional single crystal diffraction studies, nor indeed for the emerging synchrotron-based microcrystal diffraction techniques. In such cases, structure determination from powder diffraction data may represent the only viable approach for obtaining an understanding of the structural properties of the material of interest [3]". However, it is important to recognize that structure determination from powder diffraction data is far from routine and significant challenges must be overcome in developing and applying methods for this purpose. For this reason, several research groups have devoted considerable effort in recent years to the development of new and improved techniques in this field. More detailed reviews covering all aspects of structure determination from powder diffraction data may be found in references [4-9]. Crystal structure
520 8# - SUMMARY, ETC.
Summary, etc. determination from diffraction data (either single crystal or powder) can be divided into the following stages: (i) unit cell determination and space group assignment, (ii) structure solution, and (iii) structure refinement. The aim of structure solution is to derive an initial approximation to the structure from direct consideration of the experimental diffraction data, but starting from no knowledge of the actual arrangement of atoms or molecules within the unit cell. If the structure solution is a sufficiently good approximation to the true structure, a good quality structure may then be obtained by structure refinement. For powder diffraction data, structure refinement is now carried out fairly routinely using the Rietveld profile refinement technique [10-11], and unit cell determination is carried out using standard indexing procedures (see, for example, references [12-17]. The techniques currently available for structure solution from powder diffraction data can be subdivided into two categories-'traditional' and 'direct-space' approaches. As discussed below, 2.2.1, Conventional approaches: In the traditional approach, the intensities I(hkl) of individual reflections are extracted directly from the powder diffraction pattern, and the structure is then solved using these I(hkl) data in the types of structure solution calculation that are used for single crystal diffraction data (e.g. direct methods or Patterson methods). However, as there is usually extensive peak overlap in the powder diffraction pattern, extracting reliable values of the intensities I(hkl) of the individual diffraction maxima can be problematic, and may lead to difficulties in subsequent attempts to solve the structure using these 'single-crystal-like' approaches. To overcome this problem either requires improved techniques for extracting and utilizing peak intensities, or
520 8# - SUMMARY, ETC.
Summary, etc. requires the use of new structure solution strategies that allow the experimental powder diffraction profile to be used directly in ist 'raw' digitized form, without the requirement to extract the intensities and (hkl) of individual diffraction maxima. 2.2.2, Straight space approaches: In the direct-space approach, trial structures are generated in direct space, independently of the experimental powder diffraction data, with the suitability of each trial structure assessed by direct comparison between the powder diffraction pattern calculated for the trial structure and the experimental powder diffraction pattern. This comparison is quantified using an appropriate R factor. Most direct-space approaches reported to date have used the weighted powder profile R factor Rwp (the R-factor normally employed in Rietveld refinement), although we note that some implementations of direct-space approaches have instead used R-factors based on extracted peak intensities. The basis of the direct-space strategy for structure solution is to find the trial crystal structure corresponding to lowest R-factor, and is equivalent to exploring a hypersurface R (Γ) to find the global minimum, where Γ (capital gama) represents the set of variables that define the structure. In principle, any technique for global optimization may be used to find the lowest point on the R (Γ) hyper surface, and much success has been achieved in using Monte Carlo [18-23], Simulated Annealing [24-30] and Genetic Algorithm [31-36] methods in this field. In addition, grid search methods have also been employed [37-40]. This article focuses on fundamental and applied aspects of our implementations of Monte Carlo (MC) and Genetic Algorithm (GA) techniques within direct space structure solution from powder diffraction data, with particular emphasis on the application of these techniques to
520 8# - SUMMARY, ETC.
Summary, etc. elucidate.
588 ## - SOURCE OF DESCRIPTION NOTE
Source of description note Description based on publisher supplied metadata and other sources.
590 ## - LOCAL NOTE (RLIN)
Local note Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2019. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.
650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element Radioactive waste disposal -- Handbooks, manuals, etc.
9 (RLIN) 88254
655 #4 - INDEX TERM--GENRE/FORM
Genre/form data or focus term Electronic books.
9 (RLIN) 88255
776 08 - ADDITIONAL PHYSICAL FORM ENTRY
Relationship information Print version:
Main entry heading Bohre, Ashish
Title Immobolization of radioactive waste in ceramic based hosts : Radioactive waste Immobolization
Place, publisher, and date of publication Hamburg : Diplomica Verlag,c2013
International Standard Book Number 9783954891696
797 2# - LOCAL ADDED ENTRY--CORPORATE NAME (RLIN)
Corporate name or jurisdiction name as entry element ProQuest (Firm)
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://ebookcentral.proquest.com/lib/thebc/detail.action?docID=1640332">https://ebookcentral.proquest.com/lib/thebc/detail.action?docID=1640332</a>
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