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Use of Solvents for Pahs Extraction and Enhancement of the Pahs Bioremediation in Coal- Tar-Contaminated Soils Pak-Hing Lee Iowa State University
Iowa State University Capstones, Theses and Retrospective Theses and Dissertations Dissertations 2000 Use of solvents for PAHs extraction and enhancement of the PAHs bioremediation in coal- tar-contaminated soils Pak-Hing Lee Iowa State University Follow this and additional works at: https://lib.dr.iastate.edu/rtd Part of the Environmental Engineering Commons Recommended Citation Lee, Pak-Hing, "Use of solvents for PAHs extraction and enhancement of the PAHs bioremediation in coal-tar-contaminated soils " (2000). Retrospective Theses and Dissertations. 13912. https://lib.dr.iastate.edu/rtd/13912 This Dissertation is brought to you for free and open access by the Iowa State University Capstones, Theses and Dissertations at Iowa State University Digital Repository. It has been accepted for inclusion in Retrospective Theses and Dissertations by an authorized administrator of Iowa State University Digital Repository. For more information, please contact [email protected]. INFORMATION TO USERS This manuscript has been reproduced from the microfilm master. UMI films the text directly from the original or copy submitted. Thus, some thesis and dissertation copies are in typewriter fece, while others may be from any type of computer printer. The quality of this reproduction is dependent upon the quaiity of the copy submitted. Broken or indistinct print colored or poor quality illustrations and photographs, print bleedthrough, substeindard margins, and improper alignment can adversely affect reproduction. In the unlilcely event that the author did not send UMI a complete manuscript and there are missing pages, these will be noted. Also, if unauthorized copyright material had to be removed, a note will indicate the deletion. -
Effects of Heavy Water (D2O) on Human Pancreatic Tumor Cells
ANTICANCER RESEARCH 25: 3407-3412 (2005) Effects of Heavy Water (D2O) on Human Pancreatic Tumor Cells JOHANNES HARTMANN1, YVONNE BADER1, ZSUZSANNA HORVATH1, PHILIPP SAIKO1, MICHAEL GRUSCH1, CHRISTOPH ILLMER1, SIBYLLE MADLENER1, MONIKA FRITZER-SZEKERES1, NICOLE HELLER2, RUDOLF-GIESBERT ALKEN2 and THOMAS SZEKERES1 1Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Vienna, General Hospital of Vienna, Waehringer Guertel 18-20, A-1090 Vienna, Austria; 2BDD Berolina Drug Development GmbH, Fontanestrasse 84-89, D-15366 Neuenhagen, Germany Abstract. Background: Pancreatic cancer constitutes an carcinomas be removed by surgery. Individuals suffering entity which is difficult to treat and, therefore, mostly fatal. from inoperable tumors receive palliative therapy, including Since heavy water (deuterium oxide, D2O) was shown to be chemotherapy and radiation therapy. However, the active in various cancer cell lines in vitro and in vivo, we now treatment options are very limited and most patients die investigated its effects in human pancreatic tumor cells. within months after diagnosis. Materials and Methods: The cytotoxic effects of D2O were Incubation of tumor cells with various concentrations of examined in three pancreatic cancer cell lines (AsPC-1, D2O leads to inhibition of cell proliferation and might, BxPC-3 and PANC-1). Induction of apoptosis was therefore, help in the chemotherapeutic treatment of human determined by Hoechst/propidium iodide double staining and tumors (1). D2O, known as heavy water, contains a neutron cell cycle distribution was investigated by FACS analysis. and a proton in its hydrogen atoms and shows a variety of Results: Employing a clonogenic assay, D2O yielded IC50 different biological activities from normal (light) water. -
Deuterium As a Research Tool in the Physical and Biological Sciences
DEUTERIUM AS A RESEARCH TOOL IN THE PHYSICAL AND BIOLOGICAL SCIENCES HERRICK L. JOHNSTON Ohio State University The discovery (1) of deuterium and the production of "heavy water," its chief compound, in a nearly pure state (2), are among the more important scientific achievements of recent years. In less than two years from the production of heavy water in nearly pure condition over three hundred papers reporting investigations on or with deuterium have appeared in scientific journals. While most of these investiga- tions have been of a physical or chemical nature significant results have been reported in investigations of biological character. It is probable that the principal role of deuterium, in future research in all of these fields, will be more that of a research tool than as an object of investigation. Deuterium is not a new chemical element, as the name might imply, but is a special variety of hydrogen atom. It differs from the ordinary (or light) hydrogen, chiefly, in mass. The atomic weight of the ordinary hydrogen is one while that of deuterium, or heavy hydrogen, is two. It resembles the ordinary hydrogen atom in possessing just one unit of positive charge on its nucleus (equal to the number of electrons in the neutral atom) and it is this latter property which determines the chemical character of an atom, and hence its position in the family of elements. The existence of atoms which differ in mass although alike in nuclear charge is common among the elements, and atomic species which are related in this manner are called isotopes. -
HEAVY WATER and NONPROLIFERATION Topical Report
HEAVY WATER AND NONPROLIFERATION Topical Report by MARVIN M. MILLER MIT Energy Laboratory Report No. MIT-EL 80-009 May 1980 COO-4571-6 MIT-EL 80-009 HEAVY WATER AND NONPROLIFERATION Topical Report Marvin M. Miller Energy Laboratory and Department of Nuclear Engineering Massachusetts Institute of Technology Cambridge, Massachusetts 02139 May 1980 Prepared For THE U.S. DEPARTMENT OF ENERGY UNDER CONTRACT NO. EN-77-S-02-4571.A000 NOTICE This report was prepared as an account of work sponsored by the United States Government. Neither the United States nor the United States Department of Energy, nor any of their employees, nor any of their contractors, subcontractors, or their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or useful- ness of any information, apparatus, product or process disclosed or represents that its use would not infringe privately owned rights. A B S T R A C T The following report is a study of various aspects of the relationship between heavy water and the development of the civilian and military uses of atomic energy. It begins with a historical sketch which traces the heavy water storyfrom its discovery by Harold Urey in 1932 through its coming of age from scientific curiosity to strategic nuclear material at the eve of World War II and finally into the post-war period, where the military and civilian strands have some- times seemed inextricably entangled. The report next assesses the nonproliferation implications of the use of heavy water- moderated power reactors; several different reactor types are discussed, but the focus in on the natural uranium, on- power fueled, pressure tube reactor developed in Canada, the CANDU. -
Tritium Immobilization and Packaging Using Metal Hydrides
AECL-71S1 ATOMIC ENERGY flPnSy L'ENERGIE ATOMIQUE OF CANADA LIMITED V^^JP DU CANADA LIMITEE TRITIUM IMMOBILIZATION AND PACKAGING USING METAL HYDRIDES Immobilisation et emballage du tritium au moyen d'hydrures de meta! W.J. HOLTSLANDER and J.M. YARASKAVITCH Chalk River Nuclear Laboratories Laboratoires nucl6aires de Chalk River Chalk River, Ontario April 1981 avril ATOMIC ENERGY OF CANADA LIMITED Tritium Immobilization and Packaging Using Metal Hydrides by W.J. Holtslander and J.M. Yaraskavitch Chemical Engineering Branch Chalk River Nuclear Laboratories Chalk River, Ontario KOJ 1J0 1981 April AECL-7151 L'ENERGIE ATOMIQUE DU CANADA, LIMITEE Immo ;ilisation et emballage du tritium au moyen d'hydrures de mëtâT par W.J. Holtslander et J.M. Yaraskavitch Résumé Le tritium provenant des réacteurs CANDU â eau lourde devra être emballé et stocké de façon sûre. Il sera récupéré sous la forme élémentaire T2. Les tritiures de métal sont des composants efficaces pour immobiliser le tritium comme solide non réactif stable et ils peuvent en contenir beaucoup. La technologie nécessaire pour préparer les hydrures des métaux appropriés, comme le titane et le zirconium,a été développée et les propriétés des matériaux préparés ont été évaluées. La conception des emballages devant contenir les tritiures de métal, lors du transport et durant le stockage à long terme, est terminée et les premiers essais ont commencé. Département de génie chimique Laboratoires nucléaires de Chalk River Chalk River, Ontario KOJ 1J0 Avril 1981 AECL-7151 ATOMIC ENERGY OF CANADA LIMITED Tritium Immobilization and Packaging Using Metal Hydrides by W.J. Holtslander and J.M. -
RADIOLYTIC GENERATION of GASES in REACTORS by V
S 2-8 BAR.C-1438 OO ti*ici tjmn RADIOLYTIC GENERATION OF GASES IN REACTORS by V. Ramshcsh und K. S. Vcnkateswurlu Water Chemistry Division 1988 B.A.R.C. - 1438 GOVERNMENT OF INDIA ATOMIC ENERGY COMMISSION CO •3- U RADIOLYTIC GENERATION OF GASES IN REACTORS by V. Ramshesh and K.S. Venkateswarlu Water Chemistry Division BHABHA ATOMIC RESEARCH CENTRE BOMBAY, INDIA 1988 B.A.R.C. - 1438 IN1S Subject Category : B1400; E3100; E3400 Descriptors WATER RADIOLYSIS G VALUE OXYGEN HYDROGEN HYDROGEN PEROXIDE GASES PHV/R TYPE REACTORS BWR TYPE REACTORS GADOLINIUM NITRATES BORIC ACID ABSTRACT Water or heavy water is used in different circuits in a reactor.Their most common use is as a moderator and/or as a coolant.Light water is used at other places such as in end shield,calandria vault etc,.In the process they are exposed to intense ionizing radiation and undergo radiolytic degradation.The molecular products of radiolysis are hydrogen,hydrogen peroxide and oxygen.As is commonly known if hydrogen is formed beyond a certain level,in the presence of oxygen it may lead to combustion or even explosion.Thus one should comprehend the basic principles of radiolysis and see whether the concentration of these gases under various conditions can be worked out.This report attempts to analyse in depth the radiolytic generation of gases in reactor systems. RADIOLYTIC GENERATION OF GASES IN REACTORS BY V.Ramshesh and K.S.Venkateswarlu \ 1.PRODUCTS OF RADIOLYSIS \ When water* is exposed to radiation,the first step is the production of excited water molecules which then -
Advanced Reactors with Innovative Fuels
Nuclear Science Advanced Reactors with Innovative Fuels Workshop Proceedings Villigen, Switzerland 21-23 October 1998 NUCLEAR•ENERGY•AGENCY OECD, 1999. Software: 1987-1996, Acrobat is a trademark of ADOBE. All rights reserved. OECD grants you the right to use one copy of this Program for your personal use only. Unauthorised reproduction, lending, hiring, transmission or distribution of any data or software is prohibited. You must treat the Program and associated materials and any elements thereof like any other copyrighted material. All requests should be made to: Head of Publications Service, OECD Publications Service, 2, rue AndrÂe-Pascal, 75775 Paris Cedex 16, France. OECD PROCEEDINGS Proceedings of the Workshop on Advanced Reactors with Innovative Fuels hosted by Villigen, Switzerland 21-23 October 1998 NUCLEAR ENERGY AGENCY ORGANISATION FOR ECONOMIC CO-OPERATION AND DEVELOPMENT ORGANISATION FOR ECONOMIC CO-OPERATION AND DEVELOPMENT Pursuant to Article 1 of the Convention signed in Paris on 14th December 1960, and which came into force on 30th September 1961, the Organisation for Economic Co-operation and Development (OECD) shall promote policies designed: − to achieve the highest sustainable economic growth and employment and a rising standard of living in Member countries, while maintaining financial stability, and thus to contribute to the development of the world economy; − to contribute to sound economic expansion in Member as well as non-member countries in the process of economic development; and − to contribute to the expansion of world trade on a multilateral, non-discriminatory basis in accordance with international obligations. The original Member countries of the OECD are Austria, Belgium, Canada, Denmark, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, Turkey, the United Kingdom and the United States. -
Deuteriodesilylation: a Mild and Selective Method for the Site- Specific Incorporation of Deuterium Into Drug Candidates and Pharmaceutical Structures
DEUTERIODESILYLATION: A MILD AND SELECTIVE METHOD FOR THE SITE- SPECIFIC INCORPORATION OF DEUTERIUM INTO DRUG CANDIDATES AND PHARMACEUTICAL STRUCTURES Kimberly N. Voronin A Thesis Submitted to the University of North Carolina Wilmington in Partial Fulfillment of the Requirements for the Degree of Master of Science Department of Chemistry and Biochemistry University of North Carolina Wilmington 2012 Approved by Advisory Committee Chris V. Galliford Pamela J. Seaton John A. Tyrell Chair Accepted by Dean, Graduate School TABLE OF CONTENTS ABSTRACT ................................................................................................................................... vi ACKNOWLEDGEMENTS .......................................................................................................... vii DEDICATION ............................................................................................................................... ix LIST OF TABLES .......................................................................................................................... x LIST OF FIGURES ...................................................................................................................... xi LIST OF ABBREVIATIONS ...................................................................................................... xiii LIST OF SCHEMES .....................................................................................................................xv CHAPTER 1: INTRODUCTION ....................................................................................................1 -
A New Generation of Chemical Sensors
A New Generation of Chemical Sensors Dr Simon Humphrey Sam Dunning A NEW GENERATION OF CHEMICAL SENSORS Dr Simon Humphrey and Sam Dunning at the University of Texas at Austin have created a new lanthanide-based chemical sensor that can identify trace levels of water in many different solvents, and can even distinguish between normal water and ‘heavy water’. The team’s new material could potentially be applied to medical imaging and for cleaning up chemical spills. Lanthanides – the Ideal Due to their light-emitting – or This means that lanthanide-based Photoemitters ‘photoluminescent’ – properties, chemical sensors can be tuned to detect molecules containing lanthanide a specific impurity. From your schooldays, you may (Ln) ions (charged atoms) have been remember using universal indicator or increasingly explored as chemical Exciting Lanthanides litmus paper to measure pH. While sensors. The term ‘lanthanide’ refers these simple tests are well known and to the group of elements with atomic For an element to exhibit widely available, more sophisticated numbers 57 to 71, from lanthanum (La) photoluminescence, it must first chemical sensors are needed to to lutetium (Lu). When grouped together become ‘excited’ by absorbing light help tackle issues such as cleaning with the chemically similar elements energy. However, lanthanide ions are up chemical spills, remediating yttrium and scandium, you may have difficult to excite by directly absorbing old industrial sites, and detecting heard them described as ‘rare earth light. In a molecule, excitation of radioactive contamination in water elements’, and they have applications lanthanide ions is commonly achieved supplies. Although many techniques are in electronics, high-strength magnets by surrounding them with light- available for these applications, very and catalysis. -
Radioactive Waste Management Programmes in OECD/NEA Member Countries – Overview
Cov-Eng-Pochette 2005 21/09/05 15:04 Page 1 Australia Radioactive Waste Belgium Canada Management Programmes Czech Republic Finland in OECD/NEA Member France Countries Germany Hungary Italy Japan Korea Mexico Netherlands Norway Slovak Republic Spain Sweden Switzerland United Kingdom United States NUCLEAR•ENERGY•AGENCY 1-OVERVIEW.qxp 16/11/05 17:18 Page 1 Radioactive waste management programmes in OECD/NEA member countries – Overview International co-operation at the OECD/NEA concerning the management of radioactive waste and materials The role of the NEA Radioactive Waste Management Committee (RWMC) Radioactive waste and materials exist in countries Strategies with and without nuclar power programmes and need In particular, the RWMC facilitates the elaboration to be managed in a manner that is responsible to pres- of strategies for waste management and decommis- ent and future generations. Significant progress has sioning, including regulatory approaches, at the been achieved and considerable experience is avail- national and international levels by: able in NEA member countries on waste and mate- ● reviewing strategies adopted by member countries rials processing, conditioning, storage, transport and with a view to identify and analyse emerging tech- disposal. An important experience and knowledge nical, policy and regulatory issues and to forge base has also been developed as regards decommis- consensus views; sioning and dismantling nuclear installations. Special ● reviewing regulatory bases, requirements and efforts are being expended in the area of long-term criteria, and licensing processes, in addition to management of radioactive waste in order to continue proposing regulatory approaches; to integrate technical advances and societal demands ● in decision making as well as to understand and developing methodologies for evaluating long-term develop consensus views on regulatory and policy safety; ● issues. -
Guidelines for Drinking-Water Quality, Fourth Edition
12 Chemical fact sheets A conceptual framework for Introduction implementing the Guidelines (Chapter 1) (Chapter 2) he background docu- FRAMEWORK FOR SAFE DRINKING-WATER SUPPORTING Tments referred to in INFORMATION this chapter (as the princi- Health-based targets Public health context Microbial aspects pal reference for each fact (Chapter 3) and health outcome (Chapters 7 and 11) sheet) may be found on Water safety plans Chemical aspects (Chapter 4) (Chapters 8 and 12) the Water, Sanitation, Hy- System Management and Radiological Monitoring giene and Health web site assessment communication aspects at http://www.who.int/ (Chapter 9) Acceptability Surveillance water_sanitation_health/ aspects (Chapter 5) dwq/chemicals/en/index. (Chapter 10) html. A complete list of r eferences cited in this Application of the Guidelines in specic circumstances chapter, including the (Chapter 6) background documents Climate change, Emergencies, Rainwater harvesting, Desalination for each c hemical, is pro- systems, Travellers, Planes and vided in Annex 2. ships, etc. 12.1 Chemical contaminants in drinking-water Acrylamide Residual acrylamide monomer occurs in polyacrylamide coagulants used in the treat- ment of drinking-water. In general, the maximum authorized dose of polymer is 1 mg/l. At a monomer content of 0.05%, this corresponds to a maximum theoretical concen- tration of 0.5 µg/l of the monomer in water. Practical concentrations may be lower by a factor of 2–3. This applies to the anionic and non-ionic polyacrylamides, but residual levels from cationic polyacrylamides may be higher. Polyacrylamides are also used as grouting agents in the construction of drinking-water reservoirs and wells. -
Ijmp.Jor.Br V
INDEPENDENT JOURNAL OF MANAGEMENT & PRODUCTION (IJM&P) http://www.ijmp.jor.br v. 10, n. 8, Special Edition Seng 2019 ISSN: 2236-269X DOI: 10.14807/ijmp.v10i8.1046 A NEW HYPOTHESIS ABOUT THE NUCLEAR HYDROGEN STRUCTURE Relly Victoria Virgil Petrescu IFToMM, Romania E-mail: [email protected] Raffaella Aversa University of Naples, Italy E-mail: [email protected] Antonio Apicella University of Naples, Italy E-mail: [email protected] Taher M. Abu-Lebdeh North Carolina A and T State Univesity, United States E-mail: [email protected] Florian Ion Tiberiu Petrescu IFToMM, Romania E-mail: [email protected] Submission: 5/3/2019 Accept: 5/20/2019 ABSTRACT In other papers already presented on the structure and dimensions of elemental hydrogen, the elementary particle dynamics was taken into account in order to be able to determine the size of the hydrogen. This new work, one comes back with a new dynamic hypothesis designed to fundamentally change again the dynamic particle size due to the impulse influence of the particle. Until now it has been assumed that the impulse of an elementary particle is equal to the mass of the particle multiplied by its velocity, but in reality, the impulse definition is different, which is derived from the translational kinetic energy in a rapport of its velocity. This produces an additional condensation of matter in its elemental form. Keywords: Particle structure; Impulse; Condensed matter. [http://creativecommons.org/licenses/by/3.0/us/] Licensed under a Creative Commons Attribution 3.0 United States License 1749 INDEPENDENT JOURNAL OF MANAGEMENT & PRODUCTION (IJM&P) http://www.ijmp.jor.br v.