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Dissertations / Theses on the topic 'Ore characterization'

Author: Grafiati

Published: 4 June 2021

Last updated: 27 July 2025

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1

GOMES, OTAVIO DA FONSECA MARTINS. "CO-SITE MICROSCOPY: NEW POSSIBILITIES IN THE ORE CHARACTERIZATION." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2007. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=11498@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>A integração do controle por computador de microscópios com a aquisição e análise digital de imagens levou à criação de uma nova área, denominada Microscopia Digital. Além de permitir um certo grau de automação, a Microscopia Digital abriu possibilidades realmente novas para a caracterização microestrutural. Uma destas novas e promissoras possibilidades é a Microscopia Co-localizada, que junta diversos tipos de informação, obtidas a partir de diferentes técnicas de microscopia. No presente trabalho foi desenvolvida e implementada u

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2

Uddin, Salah. "Surface charge characterization and flotation of an ultramafic nickel ore." Thesis, McGill University, 2012. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=107688.

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AbstractAbout 300 million tonnes of inferred Ni resource in ultramafic hosted rocks is present in 'Thompson Nickel Belt' in north central Manitoba. The processing challenges result from electrostatic interaction between pentlandite (the main Ni-mineral) and serpentine (the main gangue and one of the MgO minerals). As a contribution to meeting the challenge, the thesis examines the role of particle and bubble surface charge and the effect of fibre disintegration on flotation behavior of an ultramafic Ni ore sample. For surface charge characterization the sedimentation potential technique was us

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3

AUGUSTO, KAREN SOARES. "POROSITY CHARACTERIZATION OF IRON ORE PELLETS BY X-RAY MICROTOMOGRAPHY." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2016. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=29701@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO<br>PROGRAMA DE SUPORTE À PÓS-GRADUAÇÃO DE INSTS. DE ENSINO<br>As pelotas de minério de ferro são uma das principais matérias-primas, juntamente com o minério granulado e o sínter, do processo de fabricação do aço. São produzidas pelo processo de pelotização, aproveitando a parcela ultrafina do minério, que antes era considerada rejeito do processo de beneficiamento. A porosidade gerada no processo de fabricação das p

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4

SOUZA, CAMILA GOMES PECANHA DE. "OPTIMIZATION OF THE THREE-DIMENSIONAL CHARACTERIZATION OF IRON ORE PELLETS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2018. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=35971@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO<br>A porosidade e o arranjo espacial dos poros são essenciais para a transferência de calor e para o processo de redução das pelotas de minério de ferro em fornos siderúrgicos. Portanto, a caracterização microestrutural das pelotas torna-se importante para o controle de qualidade do produto final, o aço, auxiliando no entendimento de seu comportamento nos altos-fornos. Atualmente, as técnicas mais utilizadas para a caracterização são a microscopia ótica, que oferece resultados so

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5

CASTELLANOS, REYNEL MARTÍNEZ. "CHARACTERIZATION OF IRON ORE PELLETS BY MULTIMODAL MICROSCOPY AND IMAGE ANALYSIS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2016. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=27187@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>PROGRAMA DE SUPORTE À PÓS-GRADUAÇÃO DE INSTS. DE ENSINO<br>Pelotas de minério de ferro são formadas a partir da aglomeração de finos de minério e constituem o principal insumo para o processo de redução na indústria siderúrgica. As frações de fases sólidas e de poros afetam propriedades tais como resistência à compressão, permeabilidade a gases durante o processo de redução, e redutibilidade. No presente trabalho desenvolveu-se um método automático para a identificação e a quan

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6

Clarke, Benjamin Paul, Cesar Lemas, Jorge Barrera, et al. "Ore Characterization and Processing Plant Remediation for a Brazilian Tin Mine." Thesis, The University of Arizona, 2017. http://hdl.handle.net/10150/624946.

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Executive Summary: To further understand the separation process used by CSN-ERSA in Brazil, ore characterization of final concentrate samples was determined through Energy Dispersive Spectroscopy (EDS) testing. Characterization of each concentrate shows a significant amount of heavy metal contamination; a result of inefficient gravity separation. CSN is looking to implement a mining method suitable for extracting ore at the Village site. The three options of mining methods are open-pit with gravel pumping, dredging, and a conveyor system. The conveyor system is recommended as the primary

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7

Olivas, Victor. "Investigating the use of the steel wheel abrasion test for ore characterization." Thesis, McGill University, 2009. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=66985.

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In mineral beneficiation, grinding is used to reduce the size of the ore particles, generate larger surface area, and liberate valuable components. Grinding represents the most energy consuming stage of the process. Continuous research has aimed to increase the rates and efficiencies of milling by predicting the behaviour of large industrial mills, for example, through an examination of energy-size relationships and by using population balance models. The input for these models comes from data extracted from small laboratory-scale mills or impact tests. However, these breakag

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Muwanguzi, Abraham Judah Bumalirivu, Andrey Karasev, Byaruhanga K. Joseph, and Jönsson G. Pär. "Characterization of chemical composition and microstructure of natural iron ore from Muko deposits." KTH, Tillämpad processmetallurgi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-123054.

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The study aimed at investigating the chemical composition and microstructure of raw iron ore from the deposits in Muko area (south-western Uganda). The quality of this iron ore was evaluated to establish its suitability to serve as a raw material for iron production. Samples were taken from the six hills of Muko ore deposits and tests carried out to establish their composition and properties. X-ray diffraction and scanning electron microscopy were employed in the investigation and chemical analysis performed to determine the compounds constituting the ore. The quality of this ore was compared

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9

Alves, Paula Regina. "The carbonatite-hosted apatite deposit of Jacupiranga, SE Brazil: styles of mineralization, ore characterization and association with mineral processing." Diss., Rolla, Mo. : Missouri University of Science and Technology, 2008. http://scholarsmine.mst.edu/thesis/pdf/prayb4_09007dcc804f7bd9.pdf.

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Thesis (M.S.)--Missouri University of Science and Technology, 2008.<br>Vita. The entire thesis text is included in file. Title from title screen of thesis/dissertation PDF file (viewed May 9, 2008) Includes bibliographical references (p. 131-139).

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IGLESIAS, JULIO CESAR ALVAREZ. "A METHOD FOR THE CHARACTERIZATION OF IRON ORE SINTER: DIGITAL MICROSCOPY AND IMAGE ANALYSIS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2008. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=13047@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>Neste trabalho, propõe-se uma metodologia para a caracterização de sínter de minério de ferro através de microscopia digital e análise de imagens. O sínter é um material multifásico, com macro e microestrutura heterogêneas. Em geral, as principais fases são hematita, magnetita, ferritos e silicatos, além de poros. Empregando um microscópio óptico automatizado, imagens individuais em alto aumento, cobrindo toda a área da seção transversal das amostras, foram obtidas. Da mesma forma e cobrindo a mesma área, foram obtidas im

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Khavari, Pourya. "Characterization of Historical Tungsten Ore Tailings for Pre-selection of Feasible Reprocessing Methods Yxsjöberg, Sweden." Thesis, Luleå tekniska universitet, Mineralteknik och metallurgi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-70861.

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12

Parian, Mehdi. "Development of a geometallurgical framework for iron ores - A mineralogical approach to particle-based modeling." Doctoral thesis, Luleå tekniska universitet, Mineralteknik och metallurgi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-62515.

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The demands for efficient utilization of ore bodies and proper risk management in the mining industry have resulted in a new cross-disciplinary subject called geometallurgy. Geometallurgy connects geological, mineral processing and subsequent downstream processing information together to provide a comprehensive model to be used in production planning and management. A geometallurgical program is an industrial application of geometallurgy. Various approaches that are employed in geometallurgical programs include the traditional way, which uses chemical elements, the proxy method, which applies

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13

Ekholm, Niklas. "Mineralogical characterization of oresamples of different pH in the Björkdal golddeposit, northern Sweden – implications formineral processing." Thesis, Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-86424.

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The Björkdal gold deposit is situated in the Skellefte mining district, northern Sweden. The ore is mined from a complex system of quartz veins ranging from a few cm to a meter in width. The mineral processing steps at Björkdal comprises a flotation circuit, which performance is dependent on the pH of the ore feed. A total of ten samples from five different ore zones from the underground development was investigated with the purpose of improving the understanding of factors that causes the pH value of rock samples to vary which is deleterious to the metal recovery. The samples were investigate

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Barbosa, Leo. "EXAMINATION OF MICRO-SCALE SULFIDE DISTRIBUTION FOR THE GOLD MINERALIZATION IN THE LAPPBERGET DEPOSIT, GARPENBERG MINE, SWEDEN: TOWARDS A GEOMETALLURGICAL APPROACH." Thesis, Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-87022.

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Ore characterization studies are of great importance to the mining industry, especially when dealing with precious metals by-products. It is a way towards increasing mining efficiency. The Swedish Boliden’s Zn–Pb–Ag–(Cu–Au) Lappberget Deposit is the main ore body at the Garpenberg Mine producing concentrates of zinc, lead, copper, and a gravity concentrate of silver and gold, which accounts for a significant revenue for the mine. Garpenberg Mine is an ancient and traditional mining site in Sweden, nonetheless the Lappberget deposit is a relatively recent discovery and there are still on-going

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15

Basaure, Matsumoto Kenji Andrés. "Geotechnical characterization and methodology for a risk evaluation of ore related to mud rushes in block/panel caving mining." Tesis, Universidad de Chile, 2016. http://repositorio.uchile.cl/handle/2250/140688.

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Magíster en Minería<br>Los bombeos de barro son un ingreso repentino de mineral barro dentro de instalaciones mineras subterráneas. Pueden causar daños a personas y equipos, retrasos de producción, dilución, y cierre de minas. El objetivo de este trabajo es caracterizar a través de ensayos geotécnicos de laboratorio el barro de una mina de block/panel caving para proporcionar razones mecánicas para la falla fluida de este material mientras es extraído. Además se busca desarrollar un método para establecer pautas de decisión y aplicarlas a muestras de barro. Se ha utilizado muestras de mineral

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16

HACHA, RONALD ROJAS. "MINERALOGICAL CHARACTERIZATION OF GOLD ORE OF THE RIO PARACATU MINERAÇÃO (RPM), AIMING AT THE DETERMINATION OF TITANIUM–BEARING MINERALS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2010. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=16974@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>Neste trabalho são apresentados os resultados da caracterização mineralógica de uma amostra de minério de ouro da RPM – Kinross, que teve como objetivo principal, identificar os minerais portadores de titânio e avaliar o espectro de liberação dos minerais de interesse. A metodologia empregada compreendeu a realização de análises granulométricas, separações em meio denso e magnética. Os estudos mineralógicos foram realizados por meio da difratometria de raios X (DRX), microscopia ótica e microscopia eletrônica de varredura (MEV) po

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Amelunxen, Peter. "The application of the sag power index to ore body hardness characterization for the design and optimization of autogenous grinding circuits /." Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=79995.

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The SAG Power Index test (SPI) is a tool for forecasting autogenous mill performance. Much effort has been directed towards the development of the process models relating SPI to throughput estimates, but little has been directed towards ore body modeling. Blending studies are presented showing that the SPI is not additive, affecting the geostatistical procedures. A method is given to ensure that additivity is respected during geostatistical interpolation. A procedure for relating mean SPI precision to sample spacing is given. This procedure is combined with a study of the process model

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18

Mäkisalo, A. (Anssi). "Geological characterization of anorthositic rocks in the Otanmäki intrusion, central Finland:constraints on magma evolution and Fe-Ti-V oxide ore genesis." Master's thesis, University of Oulu, 2019. http://jultika.oulu.fi/Record/nbnfioulu-201903201346.

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Abstract. The 2.06 Ga Otanmäki intrusion in central Finland is a differentiated mafic intrusion hosting stratabound Fe-Ti-V oxide ore. The ore occurs as <1–200-m-wide lenses in a heterogeneous zone comprising different gabbro varieties and anorthosite. Anorthosite forms ubiquitous amoeboid-shaped inclusions a few meters in diameter, constituting a significant component in the ore-bearing part of the intrusion. The anorthositic rocks have not been studied earlier in detail and their role in the geological history of the intrusion is not well understood. The purpose of this Master’s thesis is to

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Rigali, Mark Joseph 1963. "Chemical characterization of solid graphitic carbonaceous matter associated with the Oklo natural fission reactors and uranium ore deposits, Gabon (West Africa)." Diss., The University of Arizona, 1997. http://hdl.handle.net/10150/288812.

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Solid graphitic carbonaceous matter (CM) is closely associated with the Oklo uranium ore deposits and several of the natural fission reactors in Gabon, West Africa. This material facilitated the containment of uranium and numerous fissiogenic isotopes in these natural reactors for a period of nearly 2 Ga. Hence it is the subject of detailed studies because it may be useful as an analogue for carbonaceous materials, e.g. technical bitumens, that are currently being considered for the encapsulation and storage of anthropogenic radioactive waste. Chemical and structural analyses of the uraniferou

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Uliana, Daniel. "Caracterização tecnológica do minério de fosfato do complexo alcalino de Salitre, MG - área Fosfertil." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/3/3134/tde-23112010-103420/.

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O presente estudo refere-se à caracterização tecnológica de tipos de minério de fosfato residual do complexo alcalino-carbonatítico de Salitre (MG), em área de interesse da Fosfertil. O procedimento experimental consistiu de moagem das amostras abaixo de 0,21 mm, análise granulométrica por peneiramento a úmido e separações minerais (líquido denso e Frantz). A composição mineralógica bem como a liberação da apatita e suas formas de associação com a ganga foram determinadas através de sistema de análise de imagens por feixe de elétrons (Mineral Liberation Analyser), com apoio de análises por DRX

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21

Erneholm, Madeleine. "Characterization of the Hydrothermal Alteration around the Björkdal Au Deposit, Skellefte District, Sweden." Thesis, Luleå tekniska universitet, Geovetenskap och miljöteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-63009.

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Sixteen samples from 8 locations within and surrounding the Björkdal mine area in northern Sweden were chosen in order to reevaluate and characterize previous interpretations of the lithology and hydrothermal alteration. Geochemical analysis by ICP-MS was made in order to chemically classify the lithology of the area and petrological studies were made by study of thin sections and core logging. Three different sets of major alteration types with similar protolith were noted where two dominated: a) a silicified, sericitic, deformed unit; b) a felspathic altered unit with various intensity of ep

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Lima, Marcos Paulo Galdino de. "Microscopia multimodal prática: registro automático de imagens de microscopia ótica e de microscopia eletrônica de varredura." Universidade do Estado do Rio de Janeiro, 2014. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=8934.

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Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro<br>A discriminação de fases que são praticamente indistinguíveis ao microscópio ótico de luz refletida ou ao microscópio eletrônico de varredura (MEV) é um dos problemas clássicos da microscopia de minérios. Com o objetivo de resolver este problema vem sendo recentemente empregada a técnica de microscopia colocalizada, que consiste na junção de duas modalidades de microscopia, microscopia ótica e microscopia eletrônica de varredura. O objetivo da técnica é fornecer uma imagem de microscopia multimodal, tornando possível a identificação,

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Lu, Ming. "Pit lakes from sulphide ore mining, geochemical and limnological characterization before treatment, after liming and sewage sludge treatments : cases studies at Rävlidmyran and Udden, Sweden /." Luleå, 2004. http://epubl.luth.se/1402-1544/2004/62.

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Muwanguzi, Abraham Judah Bumalirivu. "Characterisation of Muko iron ores (Uganda( for defferent routes of iron production." Licentiate thesis, KTH, Materialvetenskap, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-25037.

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Iron and its products, especially the various forms of steel, have been and still are a vital material in many sectors of life. It is utilized in many industrial activities ranging from production of heavy duty mechanical equipment to light electrical appliances and home appliances. With the world‟s iron ore consumption estimated to stand at 1.3 billion tonnes by 2025, exploitation of any existing natural deposits is of increasing importance to meet the demands of the expanding world economy. Large deposits of iron ore exist in Uganda in the eastern (Tororo) regions and south-western (Kisoro-K

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Altun, Naci Emre. "Beneficiation Of Himmetoglu And Beypazari Oil Shales By Flotation And Their Thermal Characterization As An Energy Source." Phd thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/2/12606990/index.pdf.

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Processing of Bolu-Himmetoglu (Type I Kerogen) and Ankara-Beypazari (Type II Kerogen) oil shales by flotation techniques were investigated for achieving clean solid fuel substitutes. Materials characterization was done through mineralogical, XRD and FTIR analyses. Flotation responses of the samples were tested with non-ionizing and ionizing collectors of cationic and anionic types. The effects of the collector dosage and pulp pH on cleaning were determined. Other important flotation parameters, conditioning time, flotation time, pulp density, particle size and frother dosage were encountered u

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Guntoro, Pratama Istiadi. "X-ray microcomputed tomography (µCT) as a potential tool in Geometallurgy." Licentiate thesis, Luleå tekniska universitet, Mineralteknik och metallurgi, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-76576.

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In recent years, automated mineralogy has become an essential tool in geometallurgy. Automated mineralogical tools allow the acquisition of mineralogical and liberation data of ore particles in a sample. These particle data can then be used further for particle-based mineral processing simulation in the context of geometallurgy. However, most automated mineralogical tools currently in application are based on two-dimensional (2D) microscopy analysis, which are subject to stereological error when analyzing three-dimensional(3D) object such as ore particles. Recent advancements in X-ray microcom

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Muwanguzi, Abraham Judah Bumalirivu. "Investigating the parameters that influence the behaviour of natural iron ores during the iron production process." Doctoral thesis, KTH, Tillämpad processmetallurgi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-123063.

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In the iron production processes, sinters and pellets are mostly used as raw materials due to their consistency with respect to physical and chemical properties. However, natural iron ores, as mined, are rarely used directly as a feed material for iron processing. This is mainly due to the fact that they have small contents of iron and high concentration of impurities. Moreover, they swell and disintegrate during the descent in the furnace as well as due to low melting and softening temperatures. This work involves an investigation of the parameters that influence the use of natural iron ores

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Mayhew, Eric Kenji. "THERMAL CHARACTERIZATION OF ONE-DIMENSIONAL CARBON NANOSTRUCTURES." Case Western Reserve University School of Graduate Studies / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=case1370033766.

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Cheng, Chun. "Fabrication and characterization of one dimensional ZnO nanostructures /." View abstract or full-text, 2009. http://library.ust.hk/cgi/db/thesis.pl?NSNT%202009%20CHENG.

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Gemeniano, Maria Lourdes Charmaine. "Characterization of Orf-A of feline immunodeficiency virus /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2002. http://uclibs.org/PID/11984.

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Rossini, Giada <1978&gt. "Characterization of the ORF TRL12 of human cytomegalovirus." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2007. http://amsdottorato.unibo.it/320/1/Tesi_Dottorato_ROSSINI.pdf.

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Rossini, Giada <1978&gt. "Characterization of the ORF TRL12 of human cytomegalovirus." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2007. http://amsdottorato.unibo.it/320/.

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Glover, Richard D. "Permanganate passivation of pyrite containing ores scale up and characterization /." abstract and full text PDF (free order & download UNR users only), 2007. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1446427.

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Shi, Xiaohua. "Design, fabrication and characterization of one dimensional photonic crystal devices." Thesis, University of Bath, 2007. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.485957.

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Photonic crystals (PhCs) are periodically structured electromagnetic media, generally characterised by not permitting light of defined ranges of frequency to propagate through the structure. These disallowed ranges of frequency are known as photonic band gaps. The intentional introduction of defects into the crystal gives rise to localized electromagnetic states that provide a mechanism for the control of the propagation of photons through PhCs. In the case of one dimensional (1-D) PhCs, the introduction of a single defect into a finite PhC results in the formation of a resonant cavity structu

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Qiu, Yongfu. "Controlled growth and characterization of one-dimensional nano-structured materials /." View abstract or full-text, 2008. http://library.ust.hk/cgi/db/thesis.pl?NSNT%202008%20QIU.

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Zhang, Hao. "Functional characterization of ORF slr0813 in cyanobacterium synechocystis PCC 6803 /." View Abstract or Full-Text, 2002. http://library.ust.hk/cgi/db/thesis.pl?BIOL%202002%20ZHANG.

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Thesis (Ph. D.)--Hong Kong University of Science and Technology, 2002.<br>Includes bibliographical references (leaves 196-212). Also available in electronic version. Access restricted to campus users.

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Mondloch, Riley. "Characterization of agricultural floodplain scour using one-dimensional hydraulic simulation." Thesis, University of Iowa, 2014. https://ir.uiowa.edu/etd/1487.

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The Iowa Flood Center (IFC), a unit of The University of Iowa's IIHR - Hydroscience & Engineering, and the Iowa Department of Natural Resources are developing a statewide floodplain boundary dataset to provide information that is critical to proper flood mitigation planning. During flooding, soil loss from agricultural land, in addition to inundation, can have a substantial economic impact on an agricultural state like Iowa. The ability to identify areas with a high potential to experience scour during flooding could assist farmers and land owners in making better land management decisions. Cu

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Gwachha, Kabita. "Solid State Characterization of 3-(5-methoxy, 2-methyl-1H-indol-3-yl)-1-(4-pyridinyl)-2-propen-1-one (MOMIPP) and its solvates." University of Toledo Health Science Campus / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=mco1556641812034105.

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You, Tao. "Preparation and characterization of ceramic sensors for use at elevated temperatures /." View online ; access limited to URI, 2005. http://0-wwwlib.umi.com.helin.uri.edu/dissertations/dlnow/3186928.

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Honarvar, Mohammad. "THERMOMECHANICAL CHARACTERIZATION OF ONE-WAY SHAPE MEMORY NITINOL AS AN ACTUATOR FOR ACTIVE SURGICAL NEEDLE." Diss., Temple University Libraries, 2014. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/301891.

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Mechanical Engineering<br>Ph.D.<br>Needle-based intervention insertion is one of the common surgical techniques used in many diagnostic and therapeutic percutaneous procedures. The success of such procedures highly depends on the accuracy of needle placement at target locations. An active needle has the potential to enhance the accuracy of needle placement as well as to improve clinical outcome. Bending forces provided by the attached actuators can assist the maneuverability in order to reach the targets following a desired trajectory. There are three major research parts in the development of

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Mo, Min, and n/a. "Characterization of an Orf virus RING-H2 protein, B5L : a mimic of cellular anaphase promoting complex subunit 11." University of Otago. Department of Microbiology & Immunology, 2009. http://adt.otago.ac.nz./public/adt-NZDU20090220.085825.

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The anaphase promoting complex (APC/C) is an ubiquitin ligase that is an essential regulator of multiple steps in the cell cycle. The complex consists of at least 12 subunits with a catalytic core formed by a scaffold protein, APC2, and a RING-H2 protein, APC11. The Parapoxvirus, Orf virus (OV), encodes a RING-H2 protein, B5L, with clear sequence similarities to APC11. The disruption of APC/C function leads to pre-mature entry into S phase and a delayed M phase exit and, potentially, apoptosis. This investigation explored the functional significance of the similarity between B5L and APC11 and

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Ni, Chi-Nung. "Electronic, optical, and mechanical characterization of zero- and one- dimensional nanostructures." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2008. http://wwwlib.umi.com/cr/ucsd/fullcit?p3324694.

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Thesis (Ph. D.)--University of California, San Diego, 2008.<br>Title from first page of PDF file (viewed November 14, 2008). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references (p. 111-124).

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Park, Joodong. "Vapor phase synthesis and characterization of one-dimensional zinc oxide nanostructures." [Gainesville, Fla.] : University of Florida, 2004. http://purl.fcla.edu/fcla/etd/UFE0006626.

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Liu, Kai. "Theoretical Characterization of Optical Processes in Modecular Complexes." Doctoral thesis, Stockholm : Bioteknologi, Kungliga Tekniska högskolan, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4629.

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Thobeka, Adonisi. "Electrochemical characterization of platinum based catalysts for fuel cell applications." Thesis, University of the Western Cape, 2012. http://hdl.handle.net/11394/3812.

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Magister Scientiae - MSc<br>Fuel cells convert chemical energy from a fuel into electricity through chemical reaction with oxygen. This possesses some challenges like slow oxygen reduction reaction (ORR), overpotential, and methanol fuel cross over in a direct methanol fuel cell (DMFC). These challenges cause inefficiency and use of higher amounts of the expensive platinum catalyst.Several binary catalysts with better ORR activity have been reported. In this study we investigate the best catalyst with better ORR and MOR performances and lower over-potentials for PEMFC and DMFC applications b

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Tran-Ba, Khanh-Hoa. "Single-molecule diffusion measurements for material characterization in one-dimensional nanostructured polymer films." Diss., Kansas State University, 2015. http://hdl.handle.net/2097/32791.

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Doctor of Philosophy<br>Department of Chemistry<br>Takashi Ito<br>This dissertation describes single-molecule tracking (SMT) measurements for the quantitative characterization of one-dimensional (1D) nanostructures in 200 nm-thick surfactant-templated mesoporous silica (STMS) and cylinder-forming polystyrene-poly(ethylene oxide) diblock copolymer (CF-PS-b-PEO) films with a μm-scale thickness. SMT is advantageous for the characterization of nanomaterials over conventional methods because it permits the simultaneous and quantitative assessment of the nanoscale and microscale morphologies, and ma

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Guimarães, José Rodrigo de Araújo [UNESP]. "Caracterização físico-química e composição mineral de Pereskia aculeata Mill., Pereskia grandifolia Haw. e Pereskia bleo (Kunth) DC." Universidade Estadual Paulista (UNESP), 2018. http://hdl.handle.net/11449/154805.

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Submitted by José Rodrigo de Araujo Guimarães (rodrigoagronomoal@yahoo.com.br) on 2018-08-06T14:27:57Z No. of bitstreams: 1 CARACTERIZAÇÃO FÍSICO-QUÍMICA E COMPOSIÇÃO MINERAL DE Pereskia aculeata Mill., Pereskia grandifolia Haw E Pereskia bleo (Kunth) DC..pdf: 1218066 bytes, checksum: 25200ec41273cd0bdc54b9ad8dd8601d (MD5)<br>Approved for entry into archive by Ana Lucia de Grava Kempinas (algkempinas@fca.unesp.br) on 2018-08-06T14:40:21Z (GMT) No. of bitstreams: 1 guimaraes_jra_dr_botfca.pdf: 1218066 bytes, checksum: 25200ec41273cd0bdc54b9ad8dd8601d (MD5)<br>Made available in DSpace on 2018

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Kudaibergenov, S. E., G. S. Tatykhanova, and E. Baigaziyeva. "Preparation, Characterization and Catalytic Activity of Gold Nanoparticles Stabilized by Hydrophilic Polymers." Thesis, Sumy State University, 2012. http://essuir.sumdu.edu.ua/handle/123456789/35034.

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Optical properties, structure, size and morphology of colloidal gold nanoparticles (AuNPs) stabilized by a series of hydrophilic polymers possessing nonionic, anionic, cationic and amphoteric nature were characterized by visible spectroscopy, dynamic light scattering (DLS), X-ray diffraction (XRD) and scanning electron microscopy (SEM), transmission electron microscopy (TEM). The polymer-protected AuNPs were prepared by “one-pot” synthetic protocol. The kinetics of formation of AuNPs was determined. The influence of the molecular weight (Mw) of polymers and concentration of AuNPs on the s

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Liu, Shuangyi, and 劉雙翼. "On the fabrication, characterization and simulation of one dimensionalcobalt and gadolinium nanostructures." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B43703963.

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Achimovičová, Marcela, Aleksander Rečnik, Maxym Myndyk, Martin Fabián, and Vladimír Šepelák. "A one-step mechanochemical synthesis and characterization of SnSe and SnSe 2." Universitätsbibliothek Leipzig, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-188015.

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