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Rozprawy doktorskie na temat „Numerical Ages”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 1 lutego 2022

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1

Sciumè, Giuseppe. "Thermo-hygro-chemo-mechanical model of concrete at early ages and its extension to tumor growth numerical analysis." Phd thesis, École normale supérieure de Cachan - ENS Cachan, 2013. http://tel.archives-ouvertes.fr/tel-00907395.

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The aim of the PhD thesis has been the development of two multi-physics models based on common theoretical basis, but applied to two very different areas: i) the study of the behavior of concrete at early age, essentially for the prevention of early cracking and related issues- ii) the analysis of physical, chemical and biological processes that govern growth and development of cancer. The development of a numerical tool to model concrete at early age is of great importance for the design of durable and sustainable structures. The model has been implemented on the finite element code CAST3M (d

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Travouillon, Kenny James Biological Earth &amp Environmental Sciences Faculty of Science UNSW. "Palaeoecological and biochronological studies of Riversleigh, world heritage property, Oligo-Miocene fossil localities, north-western Queensland, Australia." Publisher:University of New South Wales. Biological, Earth & Environmental Sciences, 2008. http://handle.unsw.edu.au/1959.4/41305.

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Riversleigh, World Heritage Property, located in North-western Queensland, Australia, contains over 200 fossil bearing localities from the Oligo-Miocene. The study presented here aims at finding new methods to improve the accuracy of palaeoecological and biochronological studies and describe the palaeoenvironmental and chronological settings of the Riversleigh fossil deposits. One of the methods developed in this thesis, Minimum Sample Richness (MSR), determines the minimum number of species that must be present in a fauna to allow meaningful comparisons using multivariate analyses. Using MSR,

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Deparis, Nicolas. "Etude numérique de l'époque de réionisation avec le code de simulation EMMA." Thesis, Strasbourg, 2017. http://www.theses.fr/2017STRAE047/document.

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L’époque de réionisation (EoR) est une phase de grands changements qu’a subit l’Univers dans son premier milliard d’années. Suite à l’apparition des premières étoiles et à l’émission de photons énergétique par ces dernières, l’hydrogène a été réionisé. Cette transition a eu un impact sur la formation des galaxies. J’ai activement participé au développement d’EMMA, un code de simulation numérique ayant pour objectif d’étudier les processus à l’œuvre durant l’EoR. J’ai développé et implémenté un modèle de formation et d’évolution stellaire. Ces travaux ont contribué à la réalisation d’une simula

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Pawlik, Andreas H., Alireza Rahmati, Joop Schaye, Myoungwon Jeon, and Vecchia Claudio Dalla. "The Aurora radiation-hydrodynamical simulations of reionization: calibration and first results." OXFORD UNIV PRESS, 2017. http://hdl.handle.net/10150/623851.

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We introduce a new suite of radiation- hydrodynamical simulations of galaxy formation and reionization called Aurora. The Aurora simulations make use of a spatially adaptive radiative transfer technique that lets us accurately capture the small- scale structure in the gas at the resolution of the hydrodynamics, in cosmological volumes. In addition to ionizing radiation, Aurora includes galactic winds driven by star formation and the enrichment of the universe with metals synthesized in the stars. Our reference simulation uses 2 x 512(3) dark matter and gas particles in a box of size 25 h(-1) c

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Kogel, John 1981. "Multi-parametric numerical simulation of age-specific cancer rates in human populations." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/28432.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2004.<br>Includes bibliographical references (p. 138).<br>The CancerFit computer program allows cancer researchers to analyze epidemiologic data describing the age-specific risk of cancer in terms of hypotheses about historical environmental risks, the heritability of cancer, the role of gender and the processes embedded in cancer formation. The program was based on the theories of Professor W. Thilly (MIT), Professor S. Morgenthaler (ETH) and their students. Written as a Fortran prog

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Alawneh, Zakaria Mohammad. "A numerical method for solving certain nonlinear integral equations arising in age-structured populations dynamics." Diss., The University of Arizona, 1990. http://hdl.handle.net/10150/184984.

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In this thesis we study the existence and stability of positive equilibrium of a general model for the dynamics of several interacting, age-structured population. We begin with the formulation and proof of a global existence theorem for the initial value problem. The proof of this theorem is used to develop an algorithm and a FORTRAN code for the numerical solution of initial value problems for the single species case. This computer program is used to study prototype models for the dynamics of a population whose fertility and mortality rates exhibit an "Allee effect". This is done from a bifur

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Ogbagaber, Semhar. "A NUMERICAL METHOD FOR ESTIMATING THE VARIANCE OF AGE AT MAXIMUM GROWTH RATE IN GROWTH MODELS." VCU Scholars Compass, 2010. http://scholarscompass.vcu.edu/etd/94.

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Most studies on maturation and body composition using the Fels Longitudinal data mention peak height velocity (PHV) as an important outcome measure. The PHV is often derived from growth models such as the triple logistic model fitted to the stature (height) data. The age at PHV is sometimes ordinalized to designate an individual as an early, average or late maturer. In theory, age at PHV is the age at which the rate of growth reaches the maximum. Theoretically, for a well behaved growth function, this could be obtained by setting the second derivative of the growth function to zero and solv

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8

Anderson, Ursula S. "Aging, relative numerousness judgments, and summation in Western Lowland gorillas." Thesis, Georgia Institute of Technology, 2003. http://hdl.handle.net/1853/7942.

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Three experiments were conducted to evaluate the relation between age, relative numerousness judgments, and summation in Western lowland gorillas. The findings indicated that most of the gorillas did not perform relative numerousness judgments until after specific training to do so. However, the gorillas did perform summation without specific training and an age-related difference was apparent.

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9

Soltani, Sofie Safeyeh. "Hydrological Transport in Shallow Catchments: : tracer discharge, travel time and water age." Doctoral thesis, KTH, Skolan för arkitektur och samhällsbyggnad (ABE), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-214971.

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This focuses on hydrological transport in shallow catchments with topography-driven flow paths. The thesis gives new insight to kinematic pathway models for estimation of tracer discharge at the catchment outlet. A semi-analytical methodology is presented for transient travel time and age distributions referred to as "kinematic pathway approach“(KPA) that accounts for dispersion at two levels of morphological and macro-dispersion. Macro-dispersion and morphological dispersion components are reflected in KPA by assuming an effective Péclet number and topographically driven pathway length distri

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10

Assude, Teresa. "Un phénomène d'arrêt de la transposition didactique : écologie de l'objet "racine carrée" et analyse du curriculum." Grenoble 1, 1992. http://www.theses.fr/1992GRE10190.

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La notion de racine carree figure en bonne place dans l'enseignement des mathematiques au college ou elle s'est acquis la reputation d'etre une notion difficile, sinon quelque peu rebutante. L'objet de ce travail est d'identifier les differents aspects de la difficulte signalee. Nous montrons en particulier que cette difficulte s'explique dans une large mesure par un phenomene d'arret de la transposition didactique, culturellement surdetermine, qui a conduit a agglutiner autour de la notion de racine carree, de maniere en partie arbitraire, un certain nombre de themes d'etude traites pour cela

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11

Sakamoto, Kathia. ""Estudo dopplervelocimétrico das artérias uterinas em três períodos de gestações normais"." Universidade de São Paulo, 2003. http://www.teses.usp.br/teses/disponiveis/5/5139/tde-03102005-152401/.

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Estudo longitudinal, prospectivo, comparativo de avaliação dopplervelocimétrica das artérias uterinas direita e esquerda em 37 gestantes normais em três períodos da gestação, acompanhadas na Clínica Obstétrica do HCFMUSP. Análise da relação S/D, índice de pulsatilidade e índice de resistência, relação com o número de incisuras e com posição da placenta. Foi observada redução nos valores dos índices durante a gestação. A relação S/D AUTE com placenta a direita apresentou média superior. A incidência de incisura foi maior no período entre a 16ª e a 24ª semana de gestação. A análise da relação en

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12

Azenha, Miguel Ângelo Dias. "Numerical simulation of the structural behaviour of concrete since its early ages." Tese, 2009. http://hdl.handle.net/10216/57587.

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Azenha, Miguel Ângelo Dias. "Numerical simulation of the structural behaviour of concrete since its early ages." Doctoral thesis, 2009. http://hdl.handle.net/10216/57587.

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14

Shyu, Chase Jhih-Huang, and 徐志煌. "The Thermal-Mechanical Evolution of Middle Hsuehshan Range, Taiwan: Using Numerical Modeling and Zircon Fission Track Ages." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/02857469584427206621.

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碩士<br>國立臺灣大學<br>地質科學研究所<br>102<br>Located in northern Taiwan, the Hsuehshan Range is the second largest range and has its own special lithology, structural and thermochronological features with high exhumation rate. In most previous studies of forward modeling of Taiwan mountain building, however, the existence of the Hsuehshan Range was ignored. Its thermal-mechanical evolution should be investigated in addition to the evolution of Taiwan mountain range. Moreover, in the aspect of thermochronology, most of the previous studies that discussed the age-elevation relationship do not consider the

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15

HUANG, CHENG-JIA, and 黃承加. "Numerical Simulation of Middle Crustal Flow And Formation of The Danba Anticline: Constrained by Apatite And Zircon Fission Track Ages." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/am5y2k.

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碩士<br>國立中正大學<br>地震研究所<br>104<br>We applied a finite difference method to simulate the thermal evolution of the Danba Anticline, Sichuan, China. The anticline is located to the northwest of the Sichuan Basin within the Songpan-Ganzi orogen. Because the fold axis of the anticline is subparallel to the direction of the surface compression, buckling is unlikely the mechanism responsible for the growth of the Danba Anticline. We suspect that the formation of the Danba Anticline in Cenozonic period may be related to the middle crustal flow. The sharp change in GPS velocity field near the Sichuan Bas

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Kugar, Jennifer R. (Jennifer Reis) 1960. "Correlation between caries prevalence, socioeconomic status, and cultural findings in Hispanic children ages 6 months to 8 years." Thesis, 2002. http://hdl.handle.net/1805/3689.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>There has been a tremendous influx in the number of Hispanic immigrants into the US over the past couple of decades. Many newcomers have families with small children, and dental needs in this pediatric population are disproportionately high. The purpose of this study was to determine if there was any correlation between the increased prevalence of caries and socioeconomic or cultural factors in Hispanic children ages six months to eight years old. To accomplish this, 127 children were given dental examinations by a calibrated

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Patini, Anthony. "Numerical analysis of temperature development in concrete at an early age." Thesis, 2012. http://hdl.handle.net/10539/11200.

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The exothermic reaction associated with hydrating Portland Cement releases a significant amount of heat within concrete elements. These raised temperatures could give rise to thermal cracking which is a function of temperature differential and concrete stiffness. In recent years computer-based modelling has become an intrinsic part of engineering. It has been employed to simulate the rise in temperature and distribution of heat within concrete elements. The prediction model developed in this project is based on the numerical finite element theory in combination with heat evolution curv

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Stewart-Knox, Barbara, S. Kuznesof, J. Robinson, A. Rankin, K. Orr, M. Duffy, R. Poinhos, et al. "Factors influencing European consumer uptake of personalised nutrition. Results of a qualitative analysis." 2013. http://hdl.handle.net/10454/6205.

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The aim of this research was to explore consumer perceptions of personalised nutrition and to compare these across three different levels of "medicalization": lifestyle assessment (no blood sampling); phenotypic assessment (blood sampling); genomic assessment (blood and buccal sampling). The protocol was developed from two pilot focus groups conducted in the UK. Two focus groups (one comprising only "older" individuals between 30 and 60 years old, the other of adults 18-65 yrs of age) were run in the UK, Spain, the Netherlands, Poland, Portugal, Ireland, Greece and Germany (N=16). The analysis

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McIntosh, Bryan, G. Cookson, and S. Jones. "Cancelled surgeries and payment by results in the English National Health Service." 2012. http://hdl.handle.net/10454/6502.

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OBJECTIVES: To model the frequency of 'last minute' cancellations of planned elective procedures in the English NHS with respect to the patient and provider factors that led to these cancellations. METHODS: A dataset of 5,288,604 elective patients spell in the English NHS from January 1st, 2007 to December 31st, 2007 was extracted from the Hospital Episode Statistics. A binary dependent variable indicating whether or not a patient had a Health Resource Group coded as S22--'Planned elective procedure not carried out'--was modeled using a probit regression estimated via maximum likelihood includ

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20

Khanová, Alžběta. "Žákovské strategie při řešení aditivních algoritmů." Master's thesis, 2014. http://www.nusl.cz/ntk/nusl-340494.

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This thesis deals with the strategies that pupils use for solving additive tasks. The theoretical part focuses on younger-school ages, the transformation of education in the 20th century and the addition operation. The practical part describes a series of experiments realized in mathematics lessons with pupils from the 1st elementary school. During the experiment, pupils have met the environment of the hundred board. I compared pupils's numerical strategies for solving additive algorithms, after the end of the experiment. Also I compared results between pupils, who were part of the experiment

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"Ecology of the lanternfishes (pisces: myctophidae) of the Eastern Gulf of Mexico [electronic resource] : with emphasis on age, growth and reproductive patterns of the numerically dominant species [electronic resource] / by John Vianney Gartner." 1990. http://purl.fcla.edu/fcla/dl/SF00000263.jpg.

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