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Dissertations / Theses on the topic 'Physical properties of zinc sulfide'

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Published: 3 June 2025

Last updated: 31 July 2025

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1

Климов, Олексій Володимирович, Алексей Владимирович Климов, Oleksii Volodymyrovych Klymov, et al. "Raman investigation and electro-physical properties of II-VI wide-band gap films." Thesis, Publishing House of Bucharest University, 2012. http://essuir.sumdu.edu.ua/handle/123456789/29353.

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В даній роботі розглядались електро-фізичні властивості сполук групи А2В6 та їх дослідження за допомогою раманівської спектроскопії. При цитуванні документа, використовуйте посилання http://essuir.sumdu.edu.ua/handle/123456789/29353<br>В данной работе рассматривались электро-физические свойства соединений группы А2В6 и их исследования с помощью рамановского спектроскопии. При цитировании документа, используйте ссылку http://essuir.sumdu.edu.ua/handle/123456789/29353<br>In this work shown electro-physical properties of the compounds of group A2B6 and their research using Raman spectroscopy. Whe

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2

Salimian, Alireza. "Alternating current electroluminescent properties of zinc sulfide powders." Thesis, University of Greenwich, 2012. http://gala.gre.ac.uk/9154/.

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In order to investigate the alternating current electroluminescent properties of zinc sulfide powders the following experiments were conducted: synthesis of zinc sulfide phosphors (comprised of zinc, sulfur and copper dopant); thermal shocking of phosphor materials (sudden cooling, using liquid nitrogen, of phosphor particles heated up to 500oC) and analysis of their alternating current electroluminescent properties as well as studies of particle crystal structures by synchrotron and conventional X-ray powder diffraction techniques. Inductively coupled plasma mass spectrometry was utilized to

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3

Perera, Jayalath Pathirannehelage Dimuthu Nuwan. "Photocatalytic Properties of Zinc Selenide/Cadmium Sulfide Core-shell Nanoparticles." Bowling Green State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1370994697.

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4

Chaganti, Venkata R. "Study of the structural and spectroscopic properties of small ZnS clusters by DFT." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2008. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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5

McCloy, John S. "Properties and Processing of Chemical Vapor Deposited Zinc Sulfide." Diss., The University of Arizona, 2008. http://hdl.handle.net/10150/194010.

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The structure and properties of chemical vapor deposited zinc sulfide (CVD ZnS) were assessed before and after heat treatments, involving different annealing and hot isostatic pressing (HIPing) profiles. Samples were characterized using optical microscopy, SEM, TEM, electron diffraction, polycrystalline and powder x-ray diffraction, x-ray chemical microanalysis, photoluminescence, ultraviolet through longwave infrared transmission, and mechanical testing. Before heat treatment, CVD ZnS consists of lamellar twinned structures in 10 to 100 nm layers aggregated into domains which compose grains t

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6

Hickey, Carolyn Frances. "Optical, chemical, and structural properties of thin films of samarium-sulfide and zinc-sulfide." Diss., The University of Arizona, 1987. http://hdl.handle.net/10150/184263.

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The development of materials for optical thin film application is essential to progress in fields such as optical data storage and signal processing. Samarium sulfide (SmS) thin films were prepared by reactive evaporation of samarium in hydrogen sulfide (H₂S). These displayed optical switching properties despite the presence of large amounts of carbon and oxygen. They are therefore potentially useful for data storage. The semiconductor to metal phase transition was characterized by x-ray diffraction and spectrophotometry. The observed optical response was modelled by a Bruggeman effective medi

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7

Himel, Marc David. "Microstructure effects on light propagation in zinc-sulfide thin film waveguides." Diss., The University of Arizona, 1988. http://hdl.handle.net/10150/184593.

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The optical propagation losses resulting from the internal microstructure of ZnS thin films were investigated using a wavelength technique. Waveguide losses were determined by measuring the scattered light as a function of propagation distance along the film. Accurate measurements were obtained by using a technique we developed that employees a coherent fiber bundle to transfer the scattered light streak to a remote image plane that was scanned with an apertured photomultiplier tube. Microstructure effects on losses were found to dominate effects caused by substrate surface finish. The magnitu

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8

Monahan, Bradley Michael. "Synthesis and Characterization of Phase-pure Copper Zinc Tin Sulfide (Cu2ZnSnS4) Nanoparticles." University of Toledo / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1404732007.

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9

Nethavhanani, Takalani. "Synthesis of zinc oxide nanoparticles by a green process and the investigation of their physical properties." University of the Western Cape, 2017. http://hdl.handle.net/11394/6295.

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Magister Scientiae - MSc (Physics)<br>Zinc oxide (ZnO) is a wide and direct semiconductor with a wurtzite crystal structure. Its multifunctionality as the ideal candidate in applications such as blue-UV light emitting diodes, transparent conducting oxide, selective gas sensor and efficient catalyst support among others, has attracted a significant interest worldwide. Nano-scaled ZnO has been synthesized in a plethora of shapes. A rich variety of physical and chemical methodologies have been used in the synthesis of undoped or doped ZnO. However, such methods either necessitate relatively

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10

Vitor, Ribeiro De Sá. "3D geostatistical modeling and integration of lithology, physical properties and element contents for characterizing metal deposit in a seafloor hydrothermal vent area." Kyoto University, 2020. http://hdl.handle.net/2433/254523.

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11

Alghamdi, Abdulaziz Ghazi. "Rehabilitation of waste materials near lead and zinc mining sites in Galena, Kansas." Diss., Kansas State University, 2016. http://hdl.handle.net/2097/34467.

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Doctor of Philosophy<br>Department of Agronomy<br>DeAnn R. Presley<br>The abandoned lead (Pb) and zinc (Zn) mines in the Tri-State Mining District of Kansas, Missouri, and Oklahoma have left a legacy of environmental contamination. The waste materials are highly polluted, not only with Pb and Zn, but also cadmium (Cd), which often co-occurs geologically with Zn. The District includes Galena, Kansas, where mines operated between 1876 and 1970. Because limited information exists concerning these mines, three studies were done to characterize them and to investigate a way to remediate the min

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12

Hakat, Yasemin. "Studies on the Preparation, Immobilization, and Luminescence Properties of Zinc Oxide (ZnO)Quantum Dots." Digital Commons @ East Tennessee State University, 2012. https://dc.etsu.edu/etd/1406.

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Quantum dots are a part of very important our technological future because of their intriguing and useful properties. These properties are different in character from those of the corresponding bulk material. Quantum dots are inorganic artificial semiconductor nanocrystal whose electrons influence their physical and chemical properties. Zinc oxide quantum dots were synthesized through an ethanol based precipitation via colloidal synthesis method at various pH values. Various emission colors were obtained because the excited quantum dots of various sizes emitted specific wavelengths of light. T

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13

BANCZEK, EVERSON do P. "Desenvolvimento e caracterização de camadas de fosfato de zinco/níquel e zinco/nióbio." reponame:Repositório Institucional do IPEN, 2008. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11714.

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Made available in DSpace on 2014-10-09T12:55:01Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:05:57Z (GMT). No. of bitstreams: 0<br>Tese (Doutoramento)<br>IPEN/T<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP

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14

Barreiro, Fidalgo Alexandre. "Experimental studies of radiation-induced dissolution of UO2 : The effect of intrinsic solid phase properties and external factors." Doctoral thesis, KTH, Tillämpad fysikalisk kemi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-205605.

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Dissolution of the UO2 matrix is one of the potential routes for radionuclide release in a future deep geological repository for spent nuclear fuel. This doctoral thesis focuses on interfacial reactions of relevance in radiation-induced dissolution of UO2 and is divided in two parts: In the first part, we sought to explore the effects of solid phase composition: The impact of surface stoichiometry on the reactivity of UO2 towards aqueous radiolytic oxidants was studied. H2O2 reacts substantially faster with stoichiometric UO2 than with hyperstoichiometric UO2. In addition, the release of urani

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15

Ажар, А. В., та К. О. Гончарова. "Протимікробна дія наноструктурних біокомпозитів, що містять ZnS та гідроксиапатит". Thesis, Сумський державний університет, 2017. http://essuir.sumdu.edu.ua/handle/123456789/54221.

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Мультирезистентність багатьох штамів, викликана множинними мутаціями на фоні неконтрольованого прийому антибіотиків, штовхає на пошуки нових матеріалів з протимікробною дією. Відомо, що дія на мікроорганізми посилюється зі зменшенням розміру діючих часток. Тому актуальним є синтез біосумісних наноматеріалів. Метою даної роботи є дослідження антибактеріальних властивостей по відношенню до деяких патогенних мікроорганізмів наночастинок сульфіду цинку.

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16

Lanckbeen, Alain. "Study of physico-chemical and physical properties of the high critical temperature superconductor YBa2Cu3O7-d in relation to the substitution of copper by zinc or iron and the oxygen stoichiometry." Doctoral thesis, Universite Libre de Bruxelles, 1994. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/212699.

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17

Marti, Luana Mafra. "Incorporação de nanopartículas de óxido de zinco ou diacetato de clorexidina em um cimento de ionômero de vidro de alta viscosidade /." Araraquara, 2017. http://hdl.handle.net/11449/152197.

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Orientador: Angela Cristina Cilense Zuanon<br>Resumo: Avaliou-se a dureza superficial, rugosidade, porosidade, resistência a compressão, atividade antibiofilme, atividade metabólica do biofilme (XTT) e observou-se a aderência e formação do biofilme em microscopia eletrônica de varredura (MEV) de um cimento de ionômero de vidro (CIV) de alta viscosidade (Ketac Molar Easy Mix), associado a nanopartículas de óxido de zinco (NPZnO) a 2% ou ao diacetato de clorexidina (CLX) nas concentrações de 0,5%, 1% e 2%. Como grupo controle utilizou-se o próprio CIV. Para os testes físicos, mecânicos e ativida

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18

Lox, Josephine F. L., Zhiya Dang, Volodymyr Dzhagan, et al. "Near-Infrared Cu-In-Se-Based Colloidal Nanocrystals via Cation Exchange." ACS Publications, 2019. https://tud.qucosa.de/id/qucosa%3A36557.

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We developed a three-step colloidal synthesis of near-infrared active Cu-In-Se (CISe)/ZnS core/shell nanocrystals (NCs) via a sequential partial cation exchange. In the first step binary highly copper deficient Cu2‒xSe NCs were synthesized, followed by a partial cation exchange of copper to indium ions yielding CISe NCs. In order to enhance the stability and the photoluminescence (PL) properties of the NCs, a subsequent ZnS shell was grown, resulting in CISe/ZnS core/shell NCs. These core/shell hetero-NCs exhibited a dramatic increase in size and a restructuring to trigonal pyramidal particles

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19

Wang, Chao-hung, and 王超鴻. "Optical and Electrical Properties of Zinc Sulfide Nanowires." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/13347264381474933329.

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碩士<br>國立成功大學<br>材料科學及工程學系碩博士班<br>97<br>In this research, Zinc Sulfide nanowires can be fabricated by conventional CVD process. The structures, CL emission spectrums and electrical properties of ZnS nanowires have been studied. Starting from the structures, two kinds of structures have been found in our results. One is Zincblende structure. The other one is Wurtzite structure. The Zincblende structure which contained lots of (111) twin planes with the nanowires growth direction in [111] direction and 70.5∘ twin plane angle can easily observed in TEM. The Wurtzite structure is a single crystalli

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20

Chung, Yao-Hsien, and 鍾耀賢. "Microstructure and Optical Properties of Zinc Sulfide Fabricated by Pulsed Electrochemical Deposition." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/28718907289373657828.

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碩士<br>國立臺灣大學<br>材料科學與工程學研究所<br>94<br>ZnS is an n-type semiconductor with a wide direct band gap (3.7eV at room temperature), and is potentially used as the window layer in heterojunction photovoltaic solar cell. In this present study, ZnS thin films were electroplated onto ITO from the electrolyte containing zinc sulfate (ZnSO4) and sodium thiosulphate (Na2S2O3) using pulsed electrochemical deposition (PECD), by which the potentials for oxidation and reduction reactions, respectively, were alternatively applied. Experimental results show that when the cathodic potential was set to be -1.2V (

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21

Chou, Tsung-Wei, and 周宗蔚. "Influence of Zinc Sulfide Shell Structure on Hydrogen Sensing Properties of Zinc Oxide Nanorod-based Gas Sensor." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/3d2q4e.

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碩士<br>國立暨南國際大學<br>應用材料及光電工程學系<br>106<br>In this thesis, we first grew the seed layer on the silica sensor by spin coating methods. Then, we used hydrothermal methods to deposit the zinc oxide nanorods on top of the seed layer to make the zinc oxide nanorod sensors. After the growth of ZnO nanorods was completed, a similar hydrothermal method was used to grow a zinc sulfide shell on the surface of zinc oxide nanorods with different parameters. Thus, the zinc oxide nanorod sensor with core/shell structure was fabricated. Based on the sensing results, it can be seen that the electric resistance w

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22

Huan-Chia, Chuang, and 莊桓嘉. "Study of physical properties of zinc holmium oxide / zinc oxide bilayer structures." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/40463260070475799435.

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碩士<br>國立臺灣師範大學<br>物理學系<br>102<br>Pulsed-laser deposition (PLD) was applied to grow holmium-doped ZnO(Ho:ZnO) thin films on c-sapphire substrate with different holmium(Ho) concentrations and with ZnO buffer layer. The nominal doping density of Ho ranges from 3％－15％. The physical properties of Ho:ZnO thin films were investigated by x-ray diffraction (XRD), photoluminescence(PL), and superconducting quantum interference device (SQUID). The XRD patterns show that there is no secondary phase. Photoluminesence spectroscopy showed the major defects are zinc vacancy and interstitial zinc. The m-H curv

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23

Lee, Po-Yuan, and 李柏源. "Preparation and Physical Properties of Polymethyl methacrylate/Zinc oxide Nanocomposites." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/16879641000800397642.

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碩士<br>國立中興大學<br>化學工程學系所<br>97<br>The main purpose of this study is to fabricate zinc oxide/polymethyl methacrylate (ZnO/PMMA) nanocomposites with well-dispersed ZnO nanoparticles. Firstly, we used solution polymerization to prepare the copolymers (ABM copolymers) made of acrylic acid (AA), butyl acrylate (BA) and methyl methacrylate (MMA), and the ratios of these three monomers (AA:BA:MMA) had been respectively varied to 1:2:7, 2:2:6 and 3:2:5. In the following experiments, we used solution blending method to mix ZnO nanoparticles and ABM copolymers together. In XRD and FTIR analysis, we f

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Xie, Yi-tun, and 謝宜暾. "Physical Properties of the Cu-doped and Ni-doped zinc oxide." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/41237046883903494809.

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碩士<br>國立臺南大學<br>材料科學系自然科學教育碩士班<br>94<br>Because the require for the optics component with short-wavelength and the electronic devices with high-energy and high frequency increases, it make the wide band gap semiconductor material have been widely studied in recent years. Zinc oxide belogning to wide band gap (3.4eV) semicondutor has not been paid attention to its application in the wide bad gap properties in stead of application in polycrystal. Recently zinc oxide become more important application in its wide band gap due to its good transparent properties. Pure zinc oxide has no phase transit

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"Growth and optical properties of ZnS and ZnSSe nanostructures." Thesis, 2009. http://library.cuhk.edu.hk/record=b6074952.

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In addition, we have studied the growth conditions and the properties of ZnSSe alloy nano-tetrapods grown by chemical vapor deposition. Different from the ZnSSe nanowires synthesized by MOCVD, the ZnSSe nano-tetrapods are of hexagonal structure. We observed a wavelength-tunable near band gap luminescence in the UV-blue region from this nanostructurally-designed system.<br>Recently, semiconductor nanostructures have attracted much attention because they are potentially useful as fundamental building blocks in nanodevices. As an important member of group II-VI semiconductors, ZnS and its alloys

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Ho, Shao-Chan, and 何韶展. "Preparation and Properties of Copper and Zinc Tin Sulfide Photovoltaic Components Absorbing Layer by Magnetron Co-sputterin." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/ujgtsf.

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碩士<br>國立虎尾科技大學<br>材料科學與綠色能源工程研究所在職專班<br>100<br>This study is to prepare a thin film of Cu – Zn - Sn - S ( CZTS ) in Corning Eagle2000 glass substrate.By using magnetron sputtering and sulfidization method,The effects of different process parameters such as substrate temperature and annealing temperature on the characteristics of Cu2ZnSnS4 thin films were explored. Mo electrode film was firstly DC sputtered as an absorbing layer ohmic contact , then the Cu-Zn-Sn layer was prepared using copper , zinc and tin targets and thus the sulfuration process was used to prepared resultant CZTS film. This

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27

Lu, Po-Yu, and 陸柏佑. "Synthesis and Physical Properties of Zinc Oxide/Graphene and Copper Oxide/Graphene Nanocomposites." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/18797635276870990801.

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碩士<br>國立高雄師範大學<br>化學系<br>101<br>Part1 An one-step in situ method for the synthesis of zinc oxide/reduced graphene oxide (ZnO/rGO) nanocomposites by hydrothermal technique is reported. This simple method involves a hydrothermal treatment of a solution comprising of graphene oxide (GO), ZnCl2,and NaOH, to obtain the product(ZnO/rGO composite). The product was characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), Ultraviolet–visible-near infrared (UV-Vis-NIR) spectroscopy, and Thermogravimertry Analysis(TGA). These results confirm that ZnO crystal structure do

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28

Tsai, Ying-Ling, and 蔡映麟. "A Study on the Thermo Physical Properties of Tin-Zinc Based Lead-Free Solder Alloys." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/49269662003518862618.

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博士<br>國立成功大學<br>材料科學及工程學系碩博士班<br>93<br>The thermal physical properties of the Sn-9Zn-xX (X = Ag, Cu) lead-free solder alloy systems are examined in this study. The effects of alloy composition and cooling rate on the liquidus temperature, solidus temperature, pasty ranges, latent heat release modes, fusion heats and coefficient of thermal expansion were investigated. 　　A Computer Aided-Cooling Curve Analysis (CA-CCA) technique was used to determine the pasty ranges and latent heat release modes for the alloys. The solidification model proposed by Hwang was used to quantity the results. The Dif

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29

Ramashia, Shonisani Eugenia. "Physical, functional and nutritional properties of flours from finger millet (Eleusine coracana) varieties fortified with vitamin B₂ and zinc oxide." Thesis, 2018. http://hdl.handle.net/11602/1245.

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PhD (Food Science and Technology)<br>Department of Food Science and Technology<br>Finger millet (FM) (Eleusine coracana) grains are the staple food in Africa and India for communities with low socio-economic growth. The grains have high content of calcium, dietary fibre, carbohydrates that are rich in protein, fat, iron, phosphorus, vitamin and essential amino acids. Flours from milky cream (MC), brown and black varieties of FM were fortified with vitamin (vit) B₂ and zinc oxide (ZnO) in order to restore the nutrients that were lost during milling and sieving processes. The main aim of the stu

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Liao, Che-heng, and 廖哲珩. "Preparation, Chemical and Physical Properties of Nickel and Zinc 8-(N-Heterocyclic Carbene)-1,2,3,4-Tetrahydrocarbazolide and Their Derivatives." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/96f63q.

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葉國良. "I. Ruthenium and Zinc Complex Catalyzed Reactions from Propargyl Derivatives II. Disc Molecules in Polarizer ― Synthesis and Physical Properties." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/30146174210943065190.

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博士<br>國立清華大學<br>化學系<br>93<br>Abstract Organometallics plays an essential role on organic synthesis in these decades. It was applied in coupling reactions, cyclization reactions or ring opening reactions. Organometallics catalyzed reactions not only have good regioselectivities but have good stereoselectivities. In natural products synthesis, it is very important to control stereo or regio direction in specific positions. We emphasize on ruthenium and zinc metal complex which apply in ethynyl alcohol catalyzed transfer reactions. First, ruthenium complex was applied on transformation of propar

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MCGLADREY, ALEXANDRA JANE. "THE INTEGRATION OF PHYSICAL ROCK PROPERTIES, MINERALOGY AND GEOCHEMISTRY FOR THE EXPLORATION OF LARGE HYPOGENE ZINC SILICATE DEPOSITS: A CASE STUDY OF THE VAZANTE ZINC DEPOSITS, MINAS GERAIS, BRAZIL." Thesis, 2014. http://hdl.handle.net/1974/8671.

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Exploration for large zinc silicate deposits is more challenging than zinc sulfide deposits, as they do not exhibit similar geophysical anomalies. The Vazante deposit, which is the world’s largest zinc silicate deposit, occurs in brecciated dolomite and comprises mainly willemite with various proportions of hematite, and minor franklinite and sphalerite. In the Vazante region, the exploration challenge is enhanced as outcrops are rare, bedrock generally sits below 10s of metres of laterite cover and barren hematite-rich breccias have a similar geophysical signature to willemite ore bodies. In

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