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Dissertations / Theses on the topic 'Iron air'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Brown, Robert Alexander. "The combustion of titanium powder in air and iron oxide." Thesis, University of Nottingham, 2000. http://eprints.nottingham.ac.uk/28106/.

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The quest for ever stronger and tougher steels has lead to an interest in the 'Acicular Ferrite' microstructure, its chaotic and disordered morphology imparting a high degree of toughness to the steel. To date, only complex and expensive materials and manufacturing processes have formed acicular ferrite within bulk cast steel. As such, the thrust of this research is to produce a cheap steel addition, an iron - titanium oxide metal-ceramic composite, that will facilitate the formation of acicular ferrite in conventionally manufactured bulk cast steels. The Self-propagating High-temperature Synt

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2

Donuk, Atilla. "Modeling And Design Of Iron-core Shunt Reactors With Discretely Distributed Air-gaps." Phd thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614923/index.pdf.

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In this research work detailed parallel and series equivalent circuits of a gapped iron-core shunt reactor with discretely distributed gaps are derived. The validity of the recommended equivalent circuits is verified by Finite Element Analysis and laboratory tests. Effects of fringing flux and discretely distributed gaps on inductance parameters and reactor losses are also investigated. Moving Strip Method for discretely distributed gapped shunt reactors is recommended. Two design procedures for shunt reactor with discretely distributed gaps are developed within the scope of this thesis. A s

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3

Acquaviva, Alessandro. "Analytical Modeling of Iron Lossesfor a PM Traction Machine." Thesis, KTH, Elektrisk energiomvandling, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-105477.

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Permanent magnet (PM) machines offer several advantages in traction applications such as high efficiencyand high torque per volume ratio. The iron losses in these machines are estimated mostly with empiricallaws taken from other types of machines or with finite element simulations (FEM). In the first part of thisthesis the objective is to define an accurate analytical model for the stator yoke, teeth and rotor of a PMmotor which should work well enough for all operating point (different loads and frequency).This analytical model is found using an iterative process. After building a loss matrix

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4

Ohmori, Hiroko. "A Numerical Study of Solid Oxide Iron-Air Battery:Thermodynamic Analysis and Heat and Mass Transfer Characteristics." 京都大学 (Kyoto University), 2016. http://hdl.handle.net/2433/215529.

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5

Hailom, Yosef Futsum. "Solidification of iron and nickel base alloys and its relation to hot crack and air gap formation /." Stockholm : Casting of Metals, Royal Institute of Technology, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3856.

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6

Paul, Michael. "The catalytic effect of vanadium, iron and lead on the air oxidation of pile grade A graphite." Thesis, University of Bristol, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.385529.

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7

Smith, Kevin Richard. "The Role of Iron and Reactive Oxygen Species in Particulate Air Pollution-Dependent Biochemical and Biological Activities." DigitalCommons@USU, 1999. https://digitalcommons.usu.edu/etd/4342.

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Particulate air pollution is known to exacerbate respiratory diseases, such as asthma and chronic obstructive pulmonary disease, in humans. It has been proposed that transition meta ls from inhaled particles may play a role in this exacerbation by generating radical species leading to damage in the lungs. The aim of this research was to determine the role that iron from particulate air pollution played in the generation of reactive oxygen species and subsequently the induction of inflammatory mediators in cells in culture. The production of reactive oxygen species by particulate air pollution

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8

Omur-Ozbek, Pinar. "Macromolecular Reactions and Sensory Perception at the Air-Water-Human Interface." Diss., Virginia Tech, 2008. http://hdl.handle.net/10919/77226.

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During 20th century main concern was to have sanitary water flowing through the tap. In 21st century constant supply of safe drinking water is common at any home in USA. Hence consumers pay attention to aesthetic quality of tap water. Odorous algal metabolites in source water and metals introduced to drinking water due to corrosion of pipes in the distribution system cause taste, odor and color problems, and result in complaints and perception of tap water as unhealthy. Millions of dollars are spent each year by water industry to address and prevent these issues. This research focused on some

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9

Uliana, Alexandro. "A célula pneumática e sua aplicabilidade à flotação reversa do minério de ferro itabirítico." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/3/3134/tde-03082017-084519/.

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A realização deste estudo teve por objetivo caracterizar o funcionamento de uma célula pneumática de flotação e comparar o seu desempenho às diferentes tecnologias [células mecânicas e colunas de flotação] já instaladas e em operação nos circuitos industriais da Samarco Mineração - no Circuito de Grossos e no Circuito de Finos. Utilizou-se, para a realização dos ensaios e/ou das análises, uma célula mecânica laboratorial [modelo Wemco®], uma célula pneumática piloto [modelo MBE®] e um medidor de tamanho de bolhas e de velocidade superficial do ar [modelo APBS®]. Neste estudo, utilizaram-se amo

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10

Li, Dazhi. "Synthesis and Applications of Novel Chiral NHC Precursors. Synthesis of Urea Derivatives through Decomposition of Cu-NHC under Air. Iron-mediated Synthesis of Dihydroquinoxalinones." Doctoral thesis, Université Laval, 2019. http://hdl.handle.net/20.500.11794/37234.

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Depuis sa première isolation, les ligands carbènes N-hétérocycliques (NHC) s’avèrent très utiles pour la coordination avec les métaux de transition ainsi que pour la catalyse. Étant abondant et moins onéreux, le fer en tant que catalyseur a connu un essor considérable au cours de ces dernières décennies. De nombreux Fe-NHCs ont été synthétisés, mais le Fe-NHC chiral utilisé pour la catalyse asymétrique en est encore à ses débuts. En comparaison avec les métaux rares, le cuivre en tant que métal de transition polyvalent et moins coûteux, a également suscité beaucoup d’attention. Cependant, le d

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11

Zhang, Xingxing. "STRANDED CORE TRANSFORMER LOSS ANALYSIS." UKnowledge, 2008. http://uknowledge.uky.edu/gradschool_theses/533.

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We will present the approaches used to investigating the power loss for the stranded core transformers. One advantage of using stranded core is to reduce power loss or enhance transformer efficiency. One difficulty in the modeling of this type of transformer is that the core is not solid (there are small gaps between core wires due to circular cross section). A two dimensional finite element method with nodal basis function for magnetostatic field was developed to study the effects of the small gaps between core wires. The magnetic flux densities are compared for the uniform (solid) cores and

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12

Tavares, Fernanda Vasconcelos Fonseca. "Compostos Ferruginosos no material particulado atmosférico da região metropolitana de Belo Horizonte." CNEN - Centro de Desenvolvimento da Tecnologia Nuclear, Belo Horizonte, 2015. http://www.bdtd.cdtn.br//tde_busca/arquivo.php?codArquivo=348.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Amostras de solos, minério de ferro e material particulado atmosférico foram analisadas com o objetivo de se investigar as diferentes propriedades físico-químicas de seus compostos ferruginosos e, dessa forma, identificar se as fontes de emissão do material particulado atmosférico da Região Metropolitana de Belo Horizonte são de origem natural, como por exemplo, da ressuspensão de partículas de solo, ou de origem antrópica, proveniente dos processos de mineração e/ou beneficiamento do minério de ferro. O modelo numérico denominado

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13

McCarthy, Julian Daniel. "U.S.S. Vincennes (CG 49) shootdown of Iran Air Flight." Monterey, California. Naval Postgraduate School, 1991. http://hdl.handle.net/10945/26327.

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14

Kerr, Robert A. "Connection limit states design teaching aid." Master's thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-10242009-020036/.

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15

Beghoura, Houda. "Modélisation de l'impact du Fer particulaire d'origine sédimentaire sur les cycles biogéochimiques marins Air‐sea turbulent fluxes from a wave‐following platform during six experiments at sea, in JGR Oceans 124 (6), June 2019 Impact of inorganic particles of sedimentary origin on global dissolved iron and phytoplankton distribution, in JGR Oceans 124 (12), December 2019." Thesis, Brest, 2020. http://www.theses.fr/2020BRES0001.

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Il existe encore des incertitudes importantes concernant le cycle biogéochimique du fer, sa nature et la quantification de ses sources. Ce fer dissous (dFe) est considéré comme étant la forme la plus biodisponible ce qui a induit la sous-évaluation du rôle du fer particulaire (pFe) comme une source potentielle de dFe. Pourtant, la remise en suspension des sédiments libère davantage de pFe que de dFe. Dans ce contexte, ma thèse remet en question la vision traditionnelle du rôle du fer particulaire inorganique sédimentaire (pFeinorg) et propose la première modélisation de ce dernier comme source

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16

Zat, Michely. "Remoção de compostos odoríferos de águas de abastecimento através de processos de aeração, dessorção gasosa e nanofiltração." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2009. http://hdl.handle.net/10183/18930.

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As atividades humanas em bacias hidrográficas introduzem nos cursos de água nutrientes que aceleram o processo natural de eutrofização, favorecendo a ocorrência de florações de algas e cianobactérias. Estas florações se caracterizam por um crescimento explosivo destes microrganismos. Entre os diversos impactos negativos trazidos pelas florações está a emissão potencial dos compostos 2-metilisoborneol (MIB) e geosmina (GEO), os quais conferem gosto e odor de mofo e terra a água. Estes compostos não são totalmente removidos pelos processos convencionais de tratamento de água – clarificação quími

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17

Poorkhabbaz, Alireza. "The influence of air pollution on plane (Platanus orientalis L.) /." Göttingen : Cuvillier, 2007. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=015695899&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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18

CASIRAGHI, FABIO MARCO. "THE INTERPLAY BETWEEN PHOTORESPIRATION AND IRON DEFICIENCY." Doctoral thesis, Università degli Studi di Milano, 2016. http://hdl.handle.net/2434/347430.

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ABSTRACT Iron (Fe) is an essential micronutrient for plants as it takes part in major metabolic pathways such as photosynthesis and respiration and is linked to many enzymes that accomplish many other cellular functions (DNA synthesis, nitrogen fixation, hormone production). Fe deficiency reduces crop yields worldwide but particularly in plants grown on calcareous soils, which represent almost the 30% of the earth land surface. In the near future to cope with the increasing demand of food caused by a strong increase in world’s population (FAO estimates in 9 billion people by 2050), agricultur

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19

Avazpour, Abdoul Rasool. "The organisation and optimisation of domestic air transport services within Iran." Thesis, Loughborough University, 2001. https://dspace.lboro.ac.uk/2134/35239.

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Air transport is an important part of any major domestic transport system. Consequently significant insight, analysis and methodological effort is necessary to devise an analytical model of a domestic air transport network with a view to the optimisation. Since the advent of airline deregulation in the US in 1978, most domestic airlines have adopted a routing and scheduling strategy known as hub and spoke. The adoption of this system presents a major change to network planning and operations for most airlines. The hub and spoke system proposed in this dissertation is for developing countries a

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20

Covarrubias, Peña José Ignacio <1981&gt. "Physiological and Biochemical Aspects of Iron Nutrition in Grapevine." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amsdottorato.unibo.it/4480/1/Covarrubias_Jos%C3%A9_tesi.pdf.

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The objective of this thesis was to study the response mechanisms of grapevine to Fe-deficiency and to potential Fe chlorosis prevention strategies. The results show that the presence of bicarbonate in the nutrient solution shifted the activity of PEPC and TCA cycle enzymes and the accumulation/translocation of organic acids in roots of Fe-deprived plants. The rootstock 140 Ruggeri displayed a typical behavior of calcicole plants under bicarbonate stress. The Fe chlorosis susceptible rootstock 101-14 reacted to a prolonged Fe-deficiency reducing the root activity of PEPC and MDH. Noteworthy, i

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21

Covarrubias, Peña José Ignacio <1981&gt. "Physiological and Biochemical Aspects of Iron Nutrition in Grapevine." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amsdottorato.unibo.it/4480/.

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The objective of this thesis was to study the response mechanisms of grapevine to Fe-deficiency and to potential Fe chlorosis prevention strategies. The results show that the presence of bicarbonate in the nutrient solution shifted the activity of PEPC and TCA cycle enzymes and the accumulation/translocation of organic acids in roots of Fe-deprived plants. The rootstock 140 Ruggeri displayed a typical behavior of calcicole plants under bicarbonate stress. The Fe chlorosis susceptible rootstock 101-14 reacted to a prolonged Fe-deficiency reducing the root activity of PEPC and MDH. Noteworthy, i

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22

Alaei, Seyed Fatemeh, and Anette Andersson. "Privatization: What we learn from failure : A case study of Iran Air." Thesis, Högskolan Väst, Avd för företagsekonomi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-6452.

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This thesis was conducted to assess how the privatization of Iran Air process managed in last efforts and how should it be in right way. It increases the knowledge about privatization in Iran and the need for it. Iran air as our case study is a flag-carrier airline company that is protected by government regulations and subsidies. We try to find the reasons for failure of privatization in Iran Air and their attempt on privatization. The method used to collect data was a qualitative methodology, consisting of semi-structured interviews with relevant managers, and knowledgeable professors and t

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23

Malakooti, Hossein. "Meteorology and air-quality in a mega-city : application to Tehran, Iran." Marne-la-Vallée, ENPC, 2010. http://www.theses.fr/2010ENPC1001.

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The influence of a mega-city on the atmospheric boundary layer and surface conditions was examined in the complex-terrain, semi-arid Tehran region using the Pennsylvania State University/National Center for Atmospheric Research fifth-generation Mesoscale Model (MM5) during a high pollution period. In addition, model sensitivity studies were conducted to evaluate the performance of the urban canopy and urban soil model "SM2-U (3D)" parameterization on the meteorological fields and ground level air pollutant concentrations in this area. The topographic flows and urban effects were found to play

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24

Jabarivasal, Naghi. "Indoor atmospheric radon in Hamadan, Iran : atmospheric radon indoors and around Hamadan city in Iran." Thesis, University of Bradford, 2010. http://hdl.handle.net/10454/5452.

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Radon gas may be a major air quality hazard issue inside the home. Radon (222Rn) comes from the natural breakdown of radioactive uranium (238U) via radium (226Ra) in soil, rocks, and water. Radon and its progeny contribute more than 50% of the total radiation dose to the human population due to inhalation; it can result in severe and fatal lung disease. This investigation has determined the radon concentrations in seventy-seven domestic houses in a mountainous area of Hamadan in Iran which were monitored using track-etch detectors of type CR-39 exposed for three month periods. The arithmetic m

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25

Jamshidi, Fatemeh. "Étude techno-typologique des assemblages lithiques du Pléistocène de deux sites paléolithiques en plein air : Band-e Pey (Basse-Caspienne) et Kouhrang (contreforts du Zagros)." Electronic Thesis or Diss., Toulouse 2, 2022. http://www.theses.fr/2022TOU20093.

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Les récentes recherches archéologiques en Iran ont abouti à la découverte de nouveaux sites paléolithiques en plein air sur le plateau iranien. Deux des découvertes récentes de ce type ont été choisies pour être étudiées ici. L'un des sites en plein air concerné s'appelle Band-e Pey et il est situé dans les forêts de la côte sud de la mer Caspienne et l'autre, nommé Kouhrang, se trouve dans les hautes terres des contreforts du Zagros. Les deux contiennent des centaines d'artefacts lithiques dispersés sur une vaste zone. Ces deux sites ont été étudiés en utilisant une approche techno-typologiqu

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26

Kendirci, Recep. "Iron Age Aeolic Style Capitals in the Israel and Palestine area." Thesis, Uppsala universitet, Institutionen för arkeologi och antik historia, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-175941.

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This thesis contains descriptions and definitions of the Iron Age Proto-Aeolic capitals from Israel - Palestine area. The modern area, which my materials cover is Israel and Jordan. The time period of the capitals is between the 9th century BC and the late 8th or the beginning of the 7th century BC. Attention has been put on issues of typological characteristics, usage and time periods of the capitals and how this, through the new examples, described here for the first time, created a new typology and usage for the Proto-Aeolic capitals.

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27

Agudelo, Castañeda Dayana Milena. "Remoção de sulfeto de hidrogênio, ferro e manganês de águas de abastecimento através dos processos de dessorção gasosa, nanofiltração e oxidação com permanganato de potássio." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2010. http://hdl.handle.net/10183/31781.

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Inúmeras regiões brasileiras apresentam problemas qualitativos em seus mananciais de abastecimento, originando dificuldades para a potabilização da água distribuída nas cidades. Geralmente, os consumidores julgam a segurança da água potável que bebem através de seus sentidos organolépticos. Os processos convencionais utilizados nas estações de tratamento de água não são efetivos na remoção de muitos compostos que causam cor, gosto e odor na água. Devido a isto, é comum que as companhias de saneamento recebam reclamações por parte dos consumidores sobre a qualidade da água distribuída. Dentre o

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28

Fiorentino, Nicole Marie. "Assessment of iron bioavailability and protein quality of new fortified blended foods in broiler chickens." Thesis, Kansas State University, 2017. http://hdl.handle.net/2097/35497.

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Master of Science<br>Department of Food, Nutrition, Dietetics, and Health<br>Brian L. Lindshield<br>Fortified-blended foods (FBFs), grain-legume porridges (most commonly corn and soy), are frequently used for food aid purposes. Sorghum and cowpea have been suggested as alternative FBF commodities because they are drought-tolerant, grown locally in food aid receiving countries, and are not genetically modified. The objective of this thesis was to determine the protein quality and iron bioavailability of newly formulated, extruded FBFs in broiler chickens, which have been suggested as a good m

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Doorsian, Mona. "The Effect of Iron Status during Pregnancy on Hearing Functions in the Newborn." Thesis, Université d'Ottawa / University of Ottawa, 2017. http://hdl.handle.net/10393/36486.

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Background: Iron deficiency, anemia, and iron excess have been associated with altered hearing functions in children and adults. Animal studies suggest that iron deficiency during pregnancy negatively affect fetal auditory development. The relationship between maternal iron status and auditory functions in healthy term newborns has not been clearly elucidated among humans. The goal of this pilot study was to determine the relationship between markers of iron status during pregnancy and brainstem auditory function in healthy neonates. Methods: Pregnant women who gave birth at the Montfort Hosp

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Delimont, Nicole Marie. "Factors affecting food aid: evaluating new fortified-blended foods and the clinical impact of tannin and phytic acid consumption on iron bioavailability." Diss., Kansas State University, 2017. http://hdl.handle.net/2097/35374.

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Doctor of Philosophy<br>Department of Food, Nutrition, Dietetics, and Health<br>Brian L. Lindshield<br>Iron, vitamin A, and protein inadequacies are common in food-aid receiving countries, and maximizing nutrient intake and bioavailability are essential treatments. Fortified-blended foods (FBFs), are food-aid micronutrient-fortified legume-grain porridges distributed worldwide. FBFs have not consistently, effectively treated undernutrition, and it has been suggested that formulation and processing changes could improve their nutritional quality. Sorghum is a well suited FBF commodity, but high

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31

Neitzke, Thaís Luft da Silva. "Agrupamento de rizobactérias nativas da região oeste do Paraná por estudo de congruência genética e bioquímica." Universidade Estadual do Oeste do Paraná, 2018. http://tede.unioeste.br/handle/tede/3877.

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Submitted by Rosangela Silva (rosangela.silva3@unioeste.br) on 2018-08-21T18:43:09Z No. of bitstreams: 2 Thaís Luft da Silva Neitzke.pdf: 946176 bytes, checksum: 7f73bad9b6143ec1effc7bfee257ab65 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Made available in DSpace on 2018-08-21T18:43:09Z (GMT). No. of bitstreams: 2 Thaís Luft da Silva Neitzke.pdf: 946176 bytes, checksum: 7f73bad9b6143ec1effc7bfee257ab65 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2018-04-20<br>Fundação Araucária de Apoio ao Desenvo

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Tato, L. M. "INTEGRATED RESPONSES OF A WILD SPECIES PARIETARIA JUDAICA (L. 1753) TO DIRECT AND INDUCED IRON DEFICIENCY GROWTH CONDITIONS." Doctoral thesis, Università degli Studi di Milano, 2013. http://hdl.handle.net/2434/218168.

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Iron (Fe) is an essential micronutrient in plants as it takes part in major metabolic pathways such as photosynthesis and respiration and is linked to many enzymes that accomplish many other cellular functions (DNA synthesis, nitrogen fixation, hormone production). Fe deficiency, a major abiotic stress, reduces crop yields, especially in calcareous soils in which the solubility of Fe is extremely low because of the high soil pH. Parietaria judaica is a wild sinantropic Strategy I plant that implements many integrated mechanisms allowing to successfully complete the life cycle in highly calcar

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Maleki, Heidar, Armin Sorooshian, Gholamreza Goudarzi, Amirhossein Nikfal, and Mohammad Mehdi Baneshi. "Temporal profile of PM10 and associated health effects in one of the most polluted cities of the world (Ahvaz, Iran) between 2009 and 2014." ELSEVIER SCI LTD, 2016. http://hdl.handle.net/10150/621554.

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Ahvaz, Iran ranks as the most polluted city of the world in terms of PM10 concentrations that lead to deleterious effects on its inhabitants. This study examines diurnal, weekly, monthly and annual fluctuations of PM10 between 2009 and 2014 in Ahvaz. Health effects of PM10 levels are also assessed using the World Health Organization AirQ software. Over the study period, the mean PM10 level in Ahvaz was 249.5 mu g m(-3), with maximum and minimum values in July (420.5 mu g m(-3)) and January (154.6 mu g m(-3)), respectively. The cumulative diurnal PM10 profile exhibits a dominant peak between 08

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Spahic, Edna. "Three-dimensional modelling of the Källfallsgruvan iron oxide deposit, Riddarhyttan ore field, Bergslagen, Sweden: Integrating existing and new data to aid understanding of structural controls and mineral exploration." Thesis, Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-86083.

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The Bergslagen ore province, located in the Fennoscandian shield in the south-central part of Sweden hosts several metallic mineral deposits, one of them being the Källfallsgruvan iron-oxide deposit in the Riddarhyttan ore field, situated in a high-strain shear belt denoted as the West Bergslagen Boundary Zone (WBBZ). An accurate 3D geological model of the Källfallsgruvan iron-oxide deposit has been generated to aid understanding of the ore body geometries and calculating volume and tonnage. The methodology of this study consisted of assessing existing data in the form of legacy mine maps and

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Garlitz, Richard P. "Academic Ambassadors in the Middle East: The University Contract Program in Turkey and Iran, 1950-1970." Ohio : Ohio University, 2008. http://www.ohiolink.edu/etd/view.cgi?ohiou1224727953.

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Deladerriere, Loup. "De la gouvernance de l'air aux transformations socio-urbaines à Téhéran et à Mexico." Electronic Thesis or Diss., Paris, EHESS, 2024. http://www.theses.fr/2024EHES0018.

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Cette thèse propose d’interroger l’évolution de la gouvernance de l’environnement et des sociétés à partir de l’étude des politiques de lutte contre la pollution atmosphérique à Téhéran et à Mexico. Si la pollution de l’air représente un problème de santé publique majeur (4,2 millions de décès prématurés en 2019 selon l’OMS), son exposition et ses conséquences sont inégalement réparties. Au Mexique comme en Iran, l’institutionnalisation de ce problème sanitaire, environnemental, social et politique soulève de nombreux problèmes de gouvernance qui renouvellent les inégalités spatiales et socio-

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Safavizadeh, Nazanin. "L'imaginaire des quatre éléments dans la littérature contemporaine : analyse comparée à travers Goli Taraghi et Jean Marie Gustave Le Clézio." Thesis, Lyon 2, 2014. http://www.theses.fr/2014LYO20050.

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Cette thèse porte sur l'imaginaire des quatre éléments à travers la littérature comparée contemporaine, entre un auteur français, Jean-Marie Gustave Le Clézio et une auteure iranienne, Goli Taraghi. La méthodologie engagée révèle à partir des qualités sensibles propres à chaque élément, des caractères symboliques. La littérature comparée exige d'autre part, d'appréhender notre sujet avec une vision élargie aux faits culturels et sociétaux car chaque auteur porte dans son imaginaire de la nature, une mémoire à la fois personnelle et collective. Cette mémoire est en effet traversée par des événe

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PROIETTI, ILARIA. "Impatto di processi alimentari tradizionali sulle attività biologiche di tannini e acido fitico nel porridge di sorgo: approccio integrato in vitro e analitico." Doctoral thesis, Università Cattolica del Sacro Cuore, 2013. http://hdl.handle.net/10280/1746.

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Cinque varietà di sorgo (Sorghum bicolor (L.) Moench) provenienti da Nigeria, Senegal, Burkina Faso e due dall’Italia, sono state caratterizzate per il loro profilo nutrizionale, analizzando la modulazione di due marcatori cellulari (contenuto in proteine totali e attività della GPx), il contenuto di fattori chelanti (tannini e fitati), l’attività fitasica e il contenuto, la bioaccessibilità e la biodisponibilità di ferro e zinco e analizzando l’impatto di due importanti processi alimentari, quali fermentazione e cottura. I risultati mostrano che sia la varietà sia il processo influenzano la m

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PROIETTI, ILARIA. "Impatto di processi alimentari tradizionali sulle attività biologiche di tannini e acido fitico nel porridge di sorgo: approccio integrato in vitro e analitico." Doctoral thesis, Università Cattolica del Sacro Cuore, 2013. http://hdl.handle.net/10280/1746.

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Cinque varietà di sorgo (Sorghum bicolor (L.) Moench) provenienti da Nigeria, Senegal, Burkina Faso e due dall’Italia, sono state caratterizzate per il loro profilo nutrizionale, analizzando la modulazione di due marcatori cellulari (contenuto in proteine totali e attività della GPx), il contenuto di fattori chelanti (tannini e fitati), l’attività fitasica e il contenuto, la bioaccessibilità e la biodisponibilità di ferro e zinco e analizzando l’impatto di due importanti processi alimentari, quali fermentazione e cottura. I risultati mostrano che sia la varietà sia il processo influenzano la m

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BENMANSOUR-BEKHTI, FATIMA. "Interfacage d'un potentiostat avec un micro-ordinateur en vue de la mesure des impedances electrochimiques." Université Louis Pasteur (Strasbourg) (1971-2008), 1989. http://www.theses.fr/1989STR13076.

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XIE, JIA-FENG, and 謝嘉峰. "Iron-57 M ssbauer studies of environmental materials-soils and air born particulates." Thesis, 1986. http://ndltd.ncl.edu.tw/handle/25515166395738170727.

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Ramalope, Deborah. "Air pollution control measures implemented by the South African iron and steel industries." Thesis, 2014. http://hdl.handle.net/10210/9967.

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M.Sc. (Environmental Management)<br>With the rapid expansion of the industries in South Africa, environmental problems including air pollution have been increasing. Among industries that cause air pollution is the iron and steel industry. Air pollution impacts negatively on the environment and therefore the measures implemented to improve air quality by this industry were investigated. The purpose of this thesis was to critically analyse the air pollution control measures implemented by the iron and steel industry in South Africa and to find out what they are doing to address the problem of ai

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Jagathlal, Sham. "Assessing the PM10 footprint of an iron and steel plant on ambient air quality : modelling PM10 emissions from the ArcelorMittal Vanderbijlpark Works iron and steel plant." Thesis, 2014.

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Iron and steel plants in general are significant sources of PM10 pollution. Many studies have concluded that PM10 is harmful to human health and well being. ArcelorMittal Vanderbijlpark Works falls within the jurisdiction of the Vaal Triangle Airshed Priority Area (VTAPA) and has been given PM10 reduction targets in the Air Quality Management Plan. The aim of this study is to use dispersion modelling to determine the impact of the Vanderbijlpark Works steel plant on ambient PM10 and to assess the effectiveness of the reduction strategies with respect to PM10 The AERMOD dispersion model was

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Tsai, Yi-Ying, and 蔡宜穎. "Nickel iron layered double hydroxide derived bifunctional oxygen electrode catalyst for rechargeable zinc/air batteries." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/qwd872.

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碩士<br>國立臺灣科技大學<br>化學工程系<br>106<br>In recent years, rechargeable zinc-air batteries have attracted much attention owing to its high energy density, promising safety, and economic viability. In air electrode, bi-functional electrocatalysts are desirable since the dual functionality of the oxygen evolution reaction (OER) and oxygen oxygen reduction reaction (ORR) are required on the same electrode under charging and discharging processes, respectively. Unfortunately, both ORR catalyst Pt/C and OER catalyst IrO2 don’t have bifunctional property. The high cost of precious Pt/C and IrO2 catalysts al

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Wang, Ming-Hsiang, and 王銘詳. "Enhancement of Coagulation of Nonylphenol ethoxylate by Zero-Valent Iron with Oxidants (ZVI/H2O2, O2, Air)." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/7vzu55.

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碩士<br>國立臺北科技大學<br>環境工程與管理研究所<br>99<br>Metal surface treatment industry employs coagulation to treat wastewater, but in wastewater NP9EO of hydrophilic property made that removal efficiency limited. In order to increase the efficiency of chemical coagulation, it is necessary to increase the NP9EO hydrophobic property. This study used ZVI / H2O2, Air and O2 as a pretreatment before chemical coagulation, and used hydroxyl radical to destroy NP9EO hydrophilic group structures. This study included two stages of experiment. First of all, the ZVI / H2O2, Air or O2 process was used to pretreat NP9EO.

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Jiang, Meng-Yu, and 江孟育. "Growth of nano and micro structures of iron oxides by CO2 laser-heating under air atmosphere." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/39sx67.

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碩士<br>國立臺灣海洋大學<br>光電科學研究所<br>104<br>In this study, nano and micro structures of iron oxides were successfully grown by CO2 laser-heating under atmosphere, and we analyze their surface morphology through a scanning electron microscope (SEM). We also do elemental analysis for the growth of structure through the energy dispersive spectroscopy (EDS), and then confirm the structure as pure iron oxide. Besides, high-resolution transmission electron microscopy (TEM), Raman spectroscopy, and X-ray diffraction analyzer (XRD) were used to analysis their crystal structures. Nano and micro structures of i

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Wong, Zong-Sian, and 翁宗憲. "A Study on High Temperature Oxidation of High Silicon Ductile Iron and High Silicon Cast Steel in Air." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/66364418429437733952.

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碩士<br>國立臺灣科技大學<br>機械工程系<br>98<br>In this research it is aimed to investigate the high temperature oxidation behavior of high silicon ductile iron and high silicon cast steel in air. The relationship between morphology of oxide layers and internal oxidation of silicon element is studied. Oxidation tests were carried in a furnace at 500, 600, 700, and 800 ℃, respectively; the extent of oxidation was measured by the change of weight of specimen or by the thickness of oxide layers; the microstructure of oxide layers and internal oxidation were examined by OM, SEM, and EDS. The results show that:

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Kim, Baejung. "Non-Precious Cathode Electrocatalytic Materials for Zinc-Air Battery." Thesis, 2013. http://hdl.handle.net/10012/8102.

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In the past decade, rechargeable batteries attracted the attention from the researchers in search for renewable and sustainable energy sources. Up to date, lithium-ion battery is the most commercialized and has been supplying power to electronic devices and hybrid and electric vehicles. Lithium-ion battery, however, does not satisfy the expectations of ever-increasing energy and power density, which of their limits owes to its intercalation chemistry and the safety.1-2 Therefore, metal-air battery drew much attention as an alternative for its high energy density and a simple cell configuration

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CHEN, YU-WEI, and 陳昱維. "Applications of Magnetic Carbon Encapsulated Iron Nanoparticle for Matrix-Assisted Laser Desorption Mass Spectrometry Analysis of Polycyclic Aromatic Hydrocarbons in Air Particulate Matter." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/5v87d2.

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碩士<br>國立暨南國際大學<br>應用化學系<br>107<br>Polycyclic aromatic hydrocarbons ( PAHs ) are notorious environmental pollutants generated primarily during the incomplete combustion of organic materials. Due to the relatively low volatility of PAHs, they are adsorbed on suspended particulates ( e.g. PM2.5 ) and gradually aggregate in the air. Many PAHs have toxic, mutagenic and/or carcinogenic properties. Matrix-Assisted Laser Desorption/Ionization Time of Flight Mass Spectrometry ( MALDI-TOF MS ) has the advantages of good sensitivity, high accuracy, wide detection quality, and easy analysis. It is used to

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O'Donovan-Zavada, Robert Anthony. "Hierarchical three-dimensional Fe-Ni hydroxide nanosheet arrays on carbon fiber electrodes for oxygen evolution reaction." Thesis, 2014. http://hdl.handle.net/2152/26199.

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As demands for alternative sources of energy increase over the coming decades, water electrolysis will play a larger role in meeting our needs. The oxygen evolution reaction (OER) component of water electrolysis suffers from slow kinetics. An efficient, inexpensive, alternative electrocatalyst is needed. We present here high-activity, low onset potential, stable catalyst materials for OER based on a hierarchical network architecture consisting of Fe and Ni coated on carbon fiber paper (CFP). Several compositions of Fe-Ni electrodes were grown on CFP using a hydrothermal method, which produced

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