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Dissertations / Theses on the topic 'Sun elevation'

Author: Grafiati

Published: 28 June 2021

Last updated: 25 July 2025

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1

Uher, Ondřej. "Servomechanické řízení pohybu fotovoltaických panelů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229662.

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Thesis deals with the introduction to the production of electricity using photovoltaic panels and the relative position between panels and the Sun. The project aim was to design equipment to ensure the vertical position of the solar panels towards the Sun during the day so as to achieve maximum energy gain from sunlight. Pointing mechanism will be governed by the date and time.

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2

Castle, Sarah Christine. "Plant-nutrient dynamics in high elevation forests of the southern San Juan Mountains, Colorado, USA." Connect to online resource, 2008. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1453520.

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3

Maunsell, Sarah. "Food Webs along Elevational Gradients: Interactions among Leaf Miners, Host Plants and Parasitoids in Australian Subtropical Rainforest." Thesis, Griffith University, 2014. http://hdl.handle.net/10072/368145.

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Gradients in elevation are used to understand how species respond to changes in local climatic conditions and are therefore a powerful tool for predicting how mountain ecosystems may respond to climate change. While many studies have shown elevational patterns in species richness and species turnover, little is known about how multi-species interactions respond to elevation. An understanding of how species interactions are affected by current clines in climate is imperative if we are to make predictions about how ecosystem function and stability will be affected by climate change. This chall

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4

Spyropoulou, Katerina Dimitris 1977. "Interpretation of tectonics from digital elevation data in the San Gabriel Mountains, CA : evaluation of methods and data sources." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/34350.

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Thesis (S.M. in Geosystems)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 2003.<br>Includes bibliographical references (leaves 34-36).<br>The identifiable pattern of the qualitative geomorphologic parameters such as steepness and concavity values that derived from the slope-area analysis of 28 tributaries in the San Gabriel Mountains were used to estimate relative rock uplift rates. The results suggest that the eastern region of the San Gabriel Mountain is controlled by a high rock uplift rate while the western region is controlled by a low rock u

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5

Dunaj, Lindsay L. "Comparing Newly Built Wetlands in the Atchafalaya Bay, Louisiana and Sacramento-San Joaquin Delta, California." ScholarWorks@UNO, 2012. http://scholarworks.uno.edu/td/1515.

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This research investigated patterns in elevation change in newly built wetlands in the Atchafalaya delta, and newly restored wetlands in the Sacramento-San Joaquin River delta. RSETs were used to measure small changes in elevation, and soil cores were processed to examine mineral and organic contributions. Elevation change was highly variable, responding to influences from water level, river discharge, storms and vegetation. Mineral matter consistently added more to the marsh soil through volumetric and gravimetric contributions. Organic contributions were not significantly different across si

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6

Tymkiewicz, Joanna, and Joanna Tymkiewicz. "Funkcje ścian zewnętrznych w aspektach badań jakościowych. Wpływ rozwiązań architektonicznych elewacji na kształtowanie jakości budynku." Praca habilitacyjna, Wydawnictwo Politechniki Śląskiej, 2012. https://repolis.bg.polsl.pl/dlibra/docmetadata?showContent=true&id=17876.

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7

Tymkiewicz, Joanna, and Joanna Tymkiewicz. "Funkcje ścian zewnętrznych w aspektach badań jakościowych. Wpływ rozwiązań architektonicznych elewacji na kształtowanie jakości budynku." Praca habilitacyjna, Wydawnictwo Politechniki Śląskiej, 2012. https://delibra.bg.polsl.pl/dlibra/docmetadata?showContent=true&id=17876.

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8

Salmon, Summer Anne. "A New Technique for Measuring Runup Variation Using Sub-Aerial Video Imagery." The University of Waikato, 2008. http://hdl.handle.net/10289/2511.

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Video monitoring of beaches is becoming the preferred method for observing changes to nearshore morphology. Consequently this work investigates a new technique for predicting the probability of inundation that is based on measuring runup variation using video. Runup is defined as the water-level elevation maxima on the foreshore relative to the still water level and the waterline is defined as the position where the MWL intersects the beach face. Tairua, and Pauanui Beaches, on the north east coast of the North Island of New Zealand, were used as the field site in this study and represent two

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9

Klinka, Karel, Bernhard E. Splechtna, Jaroslav Dobry, and Christine Chourmouzis. "Climate - radial growth relationships in some major tree species of British Columbia." Forest Sciences Department, University of British Columbia, 1998. http://hdl.handle.net/2429/671.

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This study examines the influence of climate on tree-ring properties of several major tree species: Pacific silver fir (Abies amabilis (Dougl. ex Loud.) Forbes), subalpine fir (Abies lasiocarpa (Hook.) Nutt.), Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco), and lodgepole pine (Pinus contorta var. latifolia Dougl. ex Loud.). Our three objectives were to determine how (1) tree-ring properties change along an elevation gradient, (2) short-term climatic influences are correlated with tree-ring properties, and (3) long-term climatic influence on tree-ring properties.

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10

Saderi, Seyedehmasoumeh. "Dynamiques de la formation du bois du Mélèze (Larix decidua Mill.) le long d’un gradient altitudinal de 1000 m dans les Alpes du sud Françaises." Thesis, Paris, AgroParisTech, 2017. http://www.theses.fr/2017AGPT0015.

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La survie des plantes pérennes dépend de leur capacité à s'adapter à leur environnement. Les modèles de végétation prédisent que les changements climatiques vont avoir un effet profond sur la production et la distribution des forêts. La réponse des arbres aux changements climatiques dépend de la capacité du cambium à produire un bois performant. L'objectif est de comprendre quelles modifications des processus de formation du bois permettent aux arbres de croître dans des conditions contrastées. Nous avons suivi la formation du bois de 60 mélèzes, en 2013, dans quatre peuplements, le long d'un

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11

Klinka, Karel. "Trembling aspen site index in relation to environmental measures of site quality." Forest Sciences Department, University of British Columbia, 2001. http://hdl.handle.net/2429/666.

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Trembling aspen (Populus tremuloides Michx.) is one of the most common tree species in the boreal and temperate forests of North America. It grows on many different sites and associates with a variety of tree species. In BC, aspen is frequent throughout all submontane and montane continental forested zones. Relationships between environmental factors and forest productivity have been the subjects of many studies. Most of these studies, using various topographic, soil, physical and chemical properties as independent variables, had limited success in accounting for the variation in SI over a lar

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12

Vicari, Lucia Olga. "Valutazione degli effetti dei metalli pesanti e dei (PCB) sui parametri seminali convenzionali e non in soggetti residenti in un'area industriale ad elevato rischio di crisi ambientale della Sicilia Orientale ed in un gruppo di controllo (area rurale)." Doctoral thesis, Università di Catania, 2015. http://hdl.handle.net/10761/1693.

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Relazione tra i livelli nel sangue e nel plasma seminale dei Policlorobifenili(PCB) , anomalie dei parametri spermatici ed effetto negativo dei livelli di metalli pesanti negli uomini che vivono in una zona a rischio ambientale (IA) rispetto alla zona non industriale .(NIA) Background : I bifenili policlorurati ( PCB) sono sostanze tossiche industriali , bandite dalla maggior parte dei Paesi decenni fa , altamente persistenti e onnipresenti . Molti studi hanno dimostrato elevati livelli di metalli tossici nel sangue e nel plasma seminale e ridotta fertilità nei soggetti esposti professiona

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13

Vicari, Lucia Olga. "Valutazione degli effetti dei metalli pesanti e dei (PCB) sui parametri seminali convenzionali e non in soggetti residenti in un'area industriale ad elevato rischio di crisi ambientale della Sicilia Orientale ed in un gruppo di controllo (area rurale)." Doctoral thesis, Università di Catania, 2015. http://hdl.handle.net/10761/4087.

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Relazione tra i livelli nel sangue e nel plasma seminale dei Policlorobifenili(PCB) , anomalie dei parametri spermatici ed effetto negativo dei livelli di metalli pesanti negli uomini che vivono in una zona a rischio ambientale (IA) rispetto alla zona non industriale .(NIA) Background : I bifenili policlorurati ( PCB) sono sostanze tossiche industriali , bandite dalla maggior parte dei Paesi decenni fa , altamente persistenti e onnipresenti . Molti studi hanno dimostrato elevati livelli di metalli tossici nel sangue e nel plasma seminale e ridotta fertilità nei soggetti esposti professiona

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14

Jelínek, Roman. "Bytový dům ve Zlíně." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-225804.

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The aim of this thesis is to elaborate project documentation for new construction of low-energy residential building with 16 luxury apartments, apartment without barriers and with pharmacy of basic type. It is a four-storey detached building without basement, with flat roof, roof terraces and with balconies. Residential building is located in one of the most enjoyable parts of the city of Zlín – Jižní Svahy II in the vicinity of Central park with bicycle path and with beautiful view of the Zlín. The building will be located on land plot No. 2144/46, where is still situated unfinished building

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15

PANTINI, SARA. "Analysis and modelling of leachate and gas generation at landfill sites focused on mechanically-biologically treated waste." Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2013. http://hdl.handle.net/2108/203393.

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Despite significant efforts have been directed toward reducing waste generation and encouraging alternative waste management strategies, landfills still remain the main option for Municipal Solid Waste (MSW) disposal in many countries. Hence, landfills and related impacts on the surroundings are still current issues throughout the world. Actually, the major concerns are related to the potential emissions of leachate and landfill gas into the environment, that pose a threat to public health, surface and groundwater pollution, soil contamination and global warming effects. To ensure environmenta

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16

Ashith, Shyam R. Babu. "Design and Development of a Three-degree-of-freedom Parallel Manipulator to Track the Sun for Concentrated Solar Power Towers." Thesis, 2017. http://etd.iisc.ac.in/handle/2005/3561.

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In concentrated solar power (CSP) stations, large arrays of mirrors which are capable of changing its orientation are used to reflect the incident solar energy to a stationary receiver kept at a distance. Such mirrors are often called as heliostats. The receiver contains a heat absorbing medium like molten salt. By absorbing the thermal energy reflected from thousands of heliostats, the temperature would reach around 6000C and the heat can be used in thermal power plants to generate steam and thus run a turbine to produce electricity. One of the biggest advantages of CSP over conventional ener

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17

Ashith, Shyam R. Babu. "Design and Development of a Three-degree-of-freedom Parallel Manipulator to Track the Sun for Concentrated Solar Power Towers." Thesis, 2017. http://etd.iisc.ernet.in/2005/3561.

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In concentrated solar power (CSP) stations, large arrays of mirrors which are capable of changing its orientation are used to reflect the incident solar energy to a stationary receiver kept at a distance. Such mirrors are often called as heliostats. The receiver contains a heat absorbing medium like molten salt. By absorbing the thermal energy reflected from thousands of heliostats, the temperature would reach around 6000C and the heat can be used in thermal power plants to generate steam and thus run a turbine to produce electricity. One of the biggest advantages of CSP over conventional ener

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18

Tomanová, Helena. "Závislost hodnot UV indexu na vybraných parametrech." Master's thesis, 2021. http://www.nusl.cz/ntk/nusl-445942.

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Relationship between the UV index and selected parameters Abstract Ultraviolet radiation (UV radiation) is a shortwave radiation with wavelengths from 100 to 400 nm. This radiation has both positive and negative effects on living organisms and human health. Therefor the so-called UV index (UVI), characterizing the biological effect of UV radiation on human health was defined in 1994. This thesis aims to evaluate the link between selected factors (total ozone column, solar elevation angel, cloudiness and altitude) and the UVI values. Observed data at four stations in Czechia (Hradec Králové, Ko

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19

Carvalho, Jorge Rafael Batista de. "Análise da Distribuição de alinhamentos estruturais a partir de dados altimétricos e Landsat8 - Aplicação na zona sul portuguesa." Master's thesis, 2015. http://hdl.handle.net/10316/98852.

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Dissertação de Mestrado em Geociências, Geologia do Petróleo, apresentada à Faculdade de Ciências e Tecnologia da Universidade de Coimbra<br>A Deteção Remota constitui uma ferramenta de extrema utilidade na cartografia detalhada de regiões com potencial interesse para a exploração de recursos geológicos, nomeadamente de hidrocarbonetos. No presente trabalho foram analisadas, do ponto de vista tectónico e estratigráfico, diferentes unidades da Zona Sul Portuguesa (Complexo Ofiolítico Beja-Acebuches, Antiforma do Pulo do Lobo, Complexo Vulcano-Sedimentar e Grupo Flysch do Baixo Alentejo) r

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20

BASILI, Silvia. "Gli attuali scenari del commercio internazionale dei prodotti agroalimentari, tra vecchie e nuove questioni di sicurezza alimentare: una riflessone comparatistica ta UE, USA e CINA." Doctoral thesis, 2018. http://hdl.handle.net/11393/251081.

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Il commercio dei prodotti agroalimentari ha assunto oggi una dimensione globale, che pone una serie di questioni su cui è necessario riflettere. Una di queste riguarda la sicurezza alimentare intesa nell'accezione di food safety, ossia come il diritto di ogni individuo a consumare cibo sano e sicuro. La sicurezza alimentare implica l'assenza di elementi estranei che sono riconducibili ai residui dei trattamenti antiparassitari, veterinari, contaminanti ambientali o ancora l'assenza di adulterazioni nel processo di produzione, che possono comportare un rischio per la salute dei consumatori.

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