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Author: International Atomic Energy Agency
Publisher: International Atomic Energy Agency
ISBN: 9789201006189
Category : Technology & Engineering
Languages : en
Pages : 72
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Book Description
This publication is a compilation of the main results and findings of an IAEA coordinated research project (CRP). In particular, it discusses an innovative variation of neutron activation analysis (NAA) known as large sample NAA (LSNAA). There is no other way to measure the bulk mass fractions of the elements present in a large sample (up to kilograms in mass) non-destructively. Examples amenable to LSNAA include irregularly shaped archaeological artefacts, excavated rock samples, large samples of assorted ore, and finished products, such as nuclear reactor components. Advantages of LSNAA applications, limitations and scientific and technological requirements are described in this publication, which serves as a reference of interest not only to the NAA experts, research reactor personnel, and those considering this technique, but also to various stakeholders and users such as researchers, industrialists, environmental and legal experts, and administrators.
Author: International Atomic Energy Agency
Publisher: International Atomic Energy Agency
ISBN: 9789201006189
Category : Technology & Engineering
Languages : en
Pages : 72
Get Book
Book Description
This publication is a compilation of the main results and findings of an IAEA coordinated research project (CRP). In particular, it discusses an innovative variation of neutron activation analysis (NAA) known as large sample NAA (LSNAA). There is no other way to measure the bulk mass fractions of the elements present in a large sample (up to kilograms in mass) non-destructively. Examples amenable to LSNAA include irregularly shaped archaeological artefacts, excavated rock samples, large samples of assorted ore, and finished products, such as nuclear reactor components. Advantages of LSNAA applications, limitations and scientific and technological requirements are described in this publication, which serves as a reference of interest not only to the NAA experts, research reactor personnel, and those considering this technique, but also to various stakeholders and users such as researchers, industrialists, environmental and legal experts, and administrators.
Author: Lylia Alghem Hamidatou
Publisher:
ISBN: 1789859735
Category : Chemistry
Languages : en
Pages : 123
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Book Description
This book highlights the advanced technologies and applications of neutron activation analysis (NAA). It discusses the latest developments influencing the performance and utility of different NAA techniques across wide areas of applications: nuclear technology, industry, medicine, clinical investigations, biology, geochemistry, soil contamination, waste management, diet, lifestyle and health, cosmology, archeology, forensic science, etc. The overall goal of the book is to promote innovation and development of NAA techniques, technologies, and nuclear culture by presenting high-quality chapters with numerous results at both national and international levels. The book will serve as a source for graduate and postgraduate students in nuclear sciences and applications and nuclear analytical techniques, experienced practitioners who want to implement or use other varieties of NAA, professional technicians and analysts, users of NAA, and other stakeholders who wish to better understand NAA techniques.
Author:
Publisher:
ISBN:
Category : Automation
Languages : en
Pages : 0
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Book Description
"Neutron activation analysis (NAA) is a powerful technique for determining bulk composition of major and trace elements. Automation may contribute significantly to keep NAA competitive for end-users. It provides opportunities for a larger analytical capacity and a shorter overall turnaround time if large series of samples have to be analysed. This publication documents and disseminates the expertise generated on automation in NAA during a coordinated research project (CRP). The CRP participants presented different cost-effective designs of sample changers for gamma-ray spectrometry as well as irradiation devices, and were able to construct and successfully test these systems. They also implemented, expanded and improved quality control and quality assurance as crossƯcutting topical area of their automated NAA procedures. The publication serves as a reference of interest to NAA practitioners, experts, and research reactor personnel, but also to various stakeholders and users interested in basic research and/or services provided by NAA. The individual country reports are available on the CD-ROM attached to this publication."--Publisher's description
Author: International Atomic Energy Agency
Publisher: IAEA Radiation Technology Repo
ISBN: 9789201251107
Category : Science
Languages : en
Pages : 145
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Book Description
This publication addresses recent developments in neutron generator (NG) technology. It presents information on compact instruments with high neutron yield to be used for neutron activation analysis (NAA) and prompt gamma neutron activation analysis in combination with high count rate spectrometers. Traditional NGs have been shown to be effective for applications including borehole logging, homeland security, nuclear medicine and the on-line analysis of aluminium, coal and cement. Pulsed fast thermal neutron analysis, as well as tagged and timed neutron analysis, are additional techniques which can be applied using NG. Furthermore, NG can effectively be used for elemental analysis and is also effective for analysis of hidden materials by neutron radiography. Useful guidelines for developing NG based research laboratories are also provided in this publication.
Author: Nikolay Kardjilov
Publisher: Springer
ISBN: 3319331639
Category : Technology & Engineering
Languages : en
Pages : 349
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Book Description
This book provides an extensive overview of the application of neutron characterization techniques in cultural heritage to a broad audience and will be of interest to both scientists and non-scientists in the field. Archaeologists, paleontologists, restaurateurs and conservators, historians and collectors will be fascinated by the wealth of information that can be obtained using neutron techniques, while material scientists and engineers will find details of the experimental techniques and materials properties that can be determined. Neutrons, due to their weak interactions with materials, provide a penetrating, but non-invasive probe of bulk properties. They allow the characterization of the composition and mechanical properties of materials, helping to answer questions related to the dating, the manufacturing process or the state of degradation of artefacts. They allow detailed interrogation of the internal structures of objects that may be otherwise hidden from view. The first section of the book is dedicated to stories describing spectacular discoveries brought about by the use of neutron techniques in a range of applications. The second section covers the experimental techniques in appropriate detail: basic principles, limitations and fields of application.
Author: Maher Soueidan
Publisher: Trans Tech Publications Ltd
ISBN: 3038136409
Category : Technology & Engineering
Languages : en
Pages : 523
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Book Description
Volume is indexed by Thomson Reuters CPCI-S (WoS). This volume is divided into 3 chapters. The first, focused on Materials and Elaboration Techniques, describes various types of material such as composites, polymers, semiconductors, metals, ceramics, bio-materials, inorganic alloys, textile, porous, crystalline, amorphous and hybrids elaborated by various means such as vapor-phase, liquid-phase, plasma, ion-based and laser-assisted techniques, soft chemistry, self- assembly, bonding, sintering, and including bulk, surface, interface, thin-film and nano-materials. The second chapter, on Characterization Techniques and Properties, covers both physical (optical, structural, electrical, mechanical, magnetic, damage, aging...) and chemical (surface and bulk composition, imaging, impurity, reactivity, catalysis, aging, oxidation, corrosion) aspects. The last chapter, Applications, focuses on subjects such as: (i) environment and energy (renewable energy, storage and energy conversion, transport), (ii) health, biomedical and life science, (iii) electronic devices and systems (micro-nano electronics, power electronics, photonics and optoelectronics, systems, storage and heat management) and (iv) cultural heritage (e.g. archeology).
Author: Bernard Keisch
Publisher:
ISBN:
Category : Painting
Languages : en
Pages : 142
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Book Description
Describes the ways in which nuclear science can be used to aid in the study of art and archaeology, with emphasis on its use in identifying and dating objects.
Author: Brookhaven National Laboratory
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 604
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Book Description
Author: International Atomic Energy Agency
Publisher:
ISBN: 9789201086174
Category : Technology & Engineering
Languages : en
Pages : 84
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Book Description
The IAEA supports its Member States to increase the utilization of their research reactors. Small and medium sized reactors are mostly used for neutron activation analysis (NAA). Although the markets for NAA laboratories have been identified, demonstration of valid analytical results and organizational quality of the work process are preconditions for expanding the stakeholder community, particularly in commercial routine application of this powerful technique. The IAEA has implemented a new mechanism for supporting NAA laboratories in demonstrating their analytical performance by participation in proficiency testing schemes by interlaboratory comparison. This activity makes possible the identification of deviations and non-conformities, their causes and the process to implement effective approaches to eliminate them. Over 30 laboratories participated between 2010 and 2015 in consecutive proficiency tests organized by the IAEA in conjunction with the Wageningen Evaluating Programmes for Analytical Laboratories (WEPAL) to assess their analytical performances. This publication reports the findings and includes lessons learned of this activity. An attached CD-ROM contains many individual participating laboratory papers sharing their individual results and experience gained through this participation.
Author: Laure Dussubieux
Publisher: Springer
ISBN: 3662498944
Category : Social Science
Languages : en
Pages : 358
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Book Description
This book explores different aspects of LA-ICP-MS (laser ablation-inductively coupled plasma-mass spectrometry). It presents a large array of new analytical protocols for elemental or isotope analysis. LA-ICP-MS is a powerful tool that combines a sampling device able to remove very small quantities of material without leaving visible damage at the surface of an object. Furthermore, it functions as a sensitive analytical instrument that measures, within a few seconds, a wide range of isotopes in inorganic samples. Determining the elemental or the isotopic composition of ancient material is essential to address questions related to ancient technology or provenance and therefore aids archaeologists in reconstructing exchange networks for goods, people and ideas. Recent improvements of LA-ICP-MS have opened new avenues of research that are explored in this volume.
