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Dissertations / Theses on the topic 'Lenstar'

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1

Yang, Chih Huang. "Vitamin D in dry eye and myopia." Thesis, Queensland University of Technology, 2017. https://eprints.qut.edu.au/113952/1/Chih%20Huang_Yang_Thesis.pdf.

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Vitamin D is important to human health with a variety of systemic diseases linked to vitamin D deficiency. The effect of a two month treatment of a vitamin D oral supplement on the ocular surface in older people with dry eye and on binocular vision in younger adults with short-sightedness was assessed. Vitamin D had a beneficial effect on symptoms of dry eye in older people and improved the accommodation function in younger adults. This work suggests that the development of vitamin D eye drops might be useful for these conditions.
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2

Jonsson, Johan. "Elliptiska kurvor och Lenstras faktoriseringsalgoritm." Thesis, Karlstad University, Karlstad University, Faculty of Technology and Science, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-4347.

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<p>En elliptisk kurva består av nollställena till ett kubisk polynom i två variabler, sådant att det existerar åtminstone en punkt på kurvan och kurvan är icke-singulär. Punkterna på en sådan kurva bildar en abelsk grupp och olika egenskaper hos dessa grupper beskrivs i den här uppsatsen. Bland annat presenteras Mordell-Weils sats som säger att en elliptisk kurva över en talkropp är en ändligt genererad grupp. Nagell-Lutz sats ger nödvändiga villkor för att en punkt på en rationell elliptisk kurva ska ha ändlig ordning. Resultatet att en elliptisk kurva över de komplexa talen är isomorf med en
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3

Nishiyama, Eric Yukihiro. "Análise morfológica e filogenética do gênero Lensia (Cnidaria, Hydrozoa, Siphonophora)." reponame:Repositório Institucional da UFABC, 2016.

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Orientador: Prof. Dr. Otto Müller Patrão de Oliveira<br>Dissertação (mestrado) - Universidade Federal do ABC, Programa de Pós-Graduação em Evolução e Diversidade, 2016.<br>Os sifonóforos são um grupo de hidrozoários (Cnidaria: Medusozoa) de grande importancia no ambiente pelagial marinho. Apesar disso, estudos sobre a sistemática desses organismos são escassos na literatura. Pouco se sabe sobre as relações filogenéticas entre os táxons superiores do grupo, e pouco progresso foi feito até o momento para o gênero Lensia. O presente estudo teve como objetivos realizar uma minuciosa análise morfol
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4

Adam, Michael [Verfasser], and Gunter [Akademischer Betreuer] Malle. "On the distribution of eigenspaces in classical groups over finite rings and the Cohen-Lenstra heuristic / Michael Adam. Betreuer: Gunter Malle." Kaiserslautern : Technische Universität Kaiserslautern, 2014. http://d-nb.info/1047796260/34.

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5

Lenser, Christian [Verfasser]. "Investigation of resistive switching in Fe-doped SrTiO3 by advanced spectroscopy / Christian Lenser." Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2013. http://d-nb.info/1034057995/34.

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6

Lenser, Teresa [Verfasser]. "Tracking the molecular background of phenotypic change in fruit evolution and plant domestication / Teresa Lenser." Jena : Thüringer Universitäts- und Landesbibliothek Jena, 2014. http://d-nb.info/1051621364/34.

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7

Newman, J. Andrew. "Torsion in Homology of Random Simplicial Complexes." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1531499208297615.

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8

Gray, Alyn M. "An Initial Study of Binary and Ternary Ti-based Alloys Manufactured Using Laser Engineered Net Shaping (LENSTM)." Thesis, University of North Texas, 2015. https://digital.library.unt.edu/ark:/67531/metadc822823/.

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In this study an initial assessment of the composition – microstructure – property relationships in binary and ternary Ti – based systems are made possible using LENSTM technology. Laser Engineering Net Shaping (LENSTM), a rapid prototyping, directed laser deposition methodology of additive manufacturing (AM) was used to create bulk homogenous specimens that are compositionally graded. Compositionally graded specimens were made possible by incorporating elemental blends of powder during the LENSTM process. While there have been numerous studies assessing the influence of common elements (e.g.,
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9

Parsons, Kyle. "Spanning k-Trees and Loop-Erased Random Surfaces." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1499871174299693.

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10

Lenser, Thorsten [Verfasser], Peter [Akademischer Betreuer] Dittrich, Stefan [Akademischer Betreuer] Schuster, and Peter [Akademischer Betreuer] Hemmerich. "From cellular components to living cells (and back) : evolution of function in biological networks / Thorsten Lenser. Gutachter: Peter Dittrich ; Stefan Schuster ; Peter Hemmerich." Jena : Thüringer Universitäts- und Landesbibliothek Jena, 2011. http://d-nb.info/1016426607/34.

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11

Viry, Guy. "Algorithmes de factorisation des polynômes à coefficients entiers." Nancy 1, 1989. http://www.theses.fr/1989NAN10489.

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Cette thèse présente les algorithmes classiques de factorisation des polynômes à une ou plusieurs variables. Dans le cas des polynômes à une variable, deux nouvelles méthodes sont proposées. Dans la première, on calcule un facteur linéaire modulo un nombre premier P, puis on définit un multiple de ce facteur qui divise P sur ZX. Dans la seconde méthode, le calcul des produits des facteurs de P modulo P#N est remplacé par le calcul des sommes des images de ces facteurs de P. Dans le cas des polynômes à plusieurs variables, on donne deux méthodes pour diminuer les calculs de la dernière étape de
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12

Kapfunde, Goodwell. "Near-capacity sphere decoder based detection schemes for MIMO wireless communication systems." Thesis, University of Hertfordshire, 2013. http://hdl.handle.net/2299/11350.

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The search for the closest lattice point arises in many communication problems, and is known to be NP-hard. The Maximum Likelihood (ML) Detector is the optimal detector which yields an optimal solution to this problem, but at the expense of high computational complexity. Existing near-optimal methods used to solve the problem are based on the Sphere Decoder (SD), which searches for lattice points confined in a hyper-sphere around the received point. The SD has emerged as a powerful means of finding the solution to the ML detection problem for MIMO systems. However the bottleneck lies in the de
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13

Borkar, Tushar Murlidhar. "Processing and Characterization of Nickel-Carbon Base Metal Matrix Composites." Thesis, University of North Texas, 2014. https://digital.library.unt.edu/ark:/67531/metadc500026/.

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Carbon nanotubes (CNTs) and graphene nanoplatelets (GNPs) are attractive reinforcements for lightweight and high strength metal matrix composites due to their excellent mechanical and physical properties. The present work is an attempt towards investigating the effect of CNT and GNP reinforcements on the mechanical properties of nickel matrix composites. The CNT/Ni (dry milled) nanocomposites exhibiting a tensile yield strength of 350 MPa (about two times that of SPS processed monolithic nickel ~ 160 MPa) and an elongation to failure ~ 30%. In contrast, CNT/Ni (molecular level mixed) exhibited
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14

Suheimat, M., P. K. Verkicharla, Edward A. H. Mallen, J. J. Rozema, and D. A. Atchison. "Refractive indices used by the Haag-Streit Lenstar to calculate axial biometric dimensions." Thesis, 2014. http://hdl.handle.net/10454/9410.

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no<br>PURPOSE: To estimate refractive indices used by the Lenstar biometer to translate measured optical path lengths into geometrical path lengths within the eye. METHODS: Axial lengths of model eyes were determined using the IOLMaster and Lenstar biometers; comparing those lengths gave an overall eye refractive index estimate for the Lenstar. Using the Lenstar Graphical User Interface, we noticed that boundaries between media could be manipulated and opposite changes in optical path lengths on either side of the boundary could be introduced. Those ratios were combined with the overall eye re
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15

Verkicharla, P. K., M. Suheimat, Edward A. H. Mallen, and D. A. Atchison. "Influence of eye rotation on peripheral eye length measurement obtained with a partial coherence interferometry instrument." 2013. http://hdl.handle.net/10454/10549.

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No<br>The eye rotation approach for measuring peripheral eye length leads to concern about whether the rotation influences results, such as through pressure exerted by eyelids or extra-ocular muscles. This study investigated whether this approach is valid. Peripheral eye lengths were measured with a Lenstar LS 900 biometer for eye rotation and no-eye rotation conditions (head rotation for horizontal meridian and instrument rotation for vertical meridian). Measurements were made for 23 healthy young adults along the horizontal visual field (+/- 30 degrees ) and, for a subset of eight participan
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16

Huang, Yi-Ching, and 黃怡菁. "Fast Response Multi-electrode Driving Fresnel Liquid LensFor Auto-stereoscopic 2D/3D Switching Display." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/08634985873250131796.

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碩士<br>國立交通大學<br>光電工程學系<br>98<br>Recently, many researchers invest in developing 3D display technology to produce more natural images from displays. Since most of display applications use the fixed optical components to display 3D images, the 2D images cannot be provided by the same displays. Thus, a 2D/3D switchable display is needed.  In this thesis, we designed an optical component which was driven by low operating voltage and can switch between 2D and 3D modes within a fast rate. In simulation, an optimized structure was designed to fit the Fresnel lens-like distribution to reduce the cell
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17

Fu, Li-Chun, та 傅麗君. "The Chaperone- like Activity and Thermal Aggregation Studies of Rat LensαA- and αAins- crystallins". Thesis, 2005. http://ndltd.ncl.edu.tw/handle/40637891804184801042.

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碩士<br>國立成功大學<br>化學系碩博士班<br>93<br>Alpha-crystallin is a multimeric protein complex which is constitutively expressed at high level in the vertebrate eye lenses and is known to have chaperone-like activity. Apart from the major �哻- and �哷-subunit, ��-crystallin of rodents contains an additional minor subunit, �哻ins-, having an insertion peptide of 23 residues between positions 63th and 64th of normal �哻-crystallin. In order to explore the structural and functional consequence of the insertion peptide, we had expressed respectively rat �哻- and �哻ins-crystallins in Escherichia coli and isolated th
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