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Dissertations / Theses on the topic 'Leaf fall'

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1

Deon, Marine. "Importance de la cassiicoline en tant qu'effecteur de la Corynespora Leaf Fall (CLF) chez l'hévéa : Développement d'outils pour le contrôle de la maladie." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2012. http://tel.archives-ouvertes.fr/tel-00741952.

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L'hévéa (Hevea brasiliensis) est actuellement la seule source commerciale de caoutchouc naturel. Parmi les maladies affectant l'hévéa, la CLF (" Corynespora Leaf Fall ") causée par le champignon Corynespora cassiicola, est devenue en une cinquantaine d'années un fléau pour l'ensemble des pays hévéicoles d'Asie et d'Afrique. Actuellement, la gestion du problème consiste à arracher les clones les plus sensibles et à traiter les arbres avec des fongicides en cas d'épidémie. Cependant, le nombre de clones touchés par la maladie ne cessant d'augmenter, il devient urgent de sélectionner de nouveaux
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2

Bumgarner, Natalie Ruth. "Abiotic Factors during Spring and Fall in Ohio: Their Measurement and Shaping of Lettuce Tissue Abundance and Composition." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1337968793.

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3

Frischbier, Nico. "Untersuchungen zur einzelbaumverursachten kleinräumigen Variabilität und regenhöhenbasierten Dynamik des Bestandesniederschlages am Beispiel zweier Buchen-Fichten-Mischbestände." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-94870.

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Trifft herabfallender Regen auf Waldflächen, so wird dieser Niederschlag umverteilt zu Interzeption, Stammabfluss, durchfallenden und abtropfenden Niederschlag. Besonders hohe Stammablaufmengen im Kronenzentrum und markante Abtropfstellen am Kronenrand einzelner Baumarten lassen sich zudem nur erklären, wenn am jeweiligen Messplatz unter Baumkronen eine weitere Niederschlagskomponente zugelassen wird, mit der laterale Wasserbewegungen innerhalb der expliziten Einzelbaumkrone beschrieben und bilanziert werden (lateraler [Zu- oder Ab-]Fluss). Ziel dieser Arbeit war es deshalb, der niederschlagsa
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4

Lemos, Cristiane Camargo Zani de. "Aprimoramentos, teste e uso do modelo 3-PG em plantios clonais de Eucalyptus no nordeste do estado de São Paulo." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/11/11150/tde-17042012-104621/.

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O 3-PG (Physiological Principles in Predicting Growth) é o modelo ecofisiológico mais difundido no setor florestal para a predição de crescimento de florestas. Este modelo estima o crescimento florestal com base na radiação fotossinteticamente ativa absorvida pelo dossel, convertida em carboidratos, e alocada nos compartimentos da floresta (folhas, tronco, galhos e raízes), fundamentados na dinâmica dos processos biológicos e suas interações com o clima e solo. No entanto, após quase 15 anos de existência do 3-PG unido a evolução em pesquisa florestal, é possível detectar alguns pontos no mode
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5

Wolf, Laurie. "Balancing the complexity of patient falls : implementing quality improvement and human factors/ergonomics and systems engineering strategies in healthcare." Thesis, Loughborough University, 2016. https://dspace.lboro.ac.uk/2134/21410.

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Introduction: Falls are the leading cause of death due to injury among the elderly. Every 24 minutes an older adult dies from a fall related injury. Studies using 3 different methods were performed at a large urban, academic medical center in the US. Aim #1: Understand the advantages and disadvantages of QI methodologies (Lean and Six Sigma) and HFE when applied to fall prevention in the acute care setting: o Evaluate the contribution of QI and HFE to fall prevention with a focus on reducing falls with serious injury. o Use studies with different methodologies (Lean, Six Sigma) to develop and
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6

Iyengar, Deepti Raju Lall Pradeep. "Initialization and progression of damage in lead free electronics under drop impact." Auburn, Ala, 2008. http://repo.lib.auburn.edu/EtdRoot/2008/FALL/Mechanical_Engineering/Thesis/Iyengar_Deepti_35.pdf.

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7

Twohy, Kyra Elizabeth. "Impact of an Ankle Foot Orthosis on Reactive Stepping in Healthy Young Adults Using a Lean-and-Release Paradigm." University of Dayton / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1597064801653152.

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8

Chaves, Teresinha Gema Lins Brandão. "Fala Natureza! Teu intérprete te escuta! (Literatura e meio ambiente em Guimarães Rosa)." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/8/8156/tde-07052010-100141/.

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A crise ambiental é a crise de nosso tempo reconhece Enrique Leff, para quem a construção de um saber ambiental deve estar centrada no pensamento e no ser, no encontro de racionalidades e identidades, na abertura do saber à diversidade, no questionamento da historicidade da verdade, na utopia e na articulação das ciências com as diferentes significações culturais designadas à natureza. Diante desse propósito, a literatura se apresenta como instrumento para se pensar a complexidade ambiental. Nas fronteiras fluídas do ético e do estético, do espaço privado e do público, da arte e das ciências,
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9

Roca-Ramos, Luis, Piero Vargas-Zamalloa, Edgardo Carvallo-Munar, Rosa Salas-Castro, and Luis Cardenas-Rengifo. "Poka-Yoke Model for Controlling Unit Entering and Fall Reduction in the Transportation of Toilets." Universidad Peruana de Ciencias Aplicadas (UPC), 2021. http://hdl.handle.net/10757/653800.

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El texto completo de este trabajo no está disponible en el Repositorio Académico UPC por restricciones de la casa editorial donde ha sido publicado.<br>Small and medium toilet manufacturing businesses in Peru face significant problems such as low productivity because of a high rate of production losses. To address this issue, the present study proposes the application of a lean manufacturing technique, such as the Poka-Yoke model, which improves the production flow within the company by implementing a transportation cart with a safety system to help reduce material falls during the manufacturi
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10

Llorens, Sulivera Joan. "Experimental study of simple and multi-leaf masonry slender elements under compressive stress loaded parallel to the face." Doctoral thesis, Universitat de Girona, 2020. http://hdl.handle.net/10803/671027.

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The thin-tile vault is a structural system widely used in the Mediterranean area. The most spectacular development took place through modernist-style buildings designed by architects such as Antonio Gaudí o Luís Domènech and Muntaner among the others. Thin-tile vault, from a morphological standpoint, is made up of one or more leaf of thin-tile lay flat, and joined with plaster or mortar. As a particularity of this arrangement, the load is applied parallel to the face of the thin-tile as opposed to the load-bearing walls masonry, where the load is applied perpendicularly to it. Deepening the
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11

Carlsson, Christian. "The fall of Lehman Brothers : A literary overview of the internal and external factors that lead to the largest bankruptcy in history." Thesis, Umeå universitet, Nationalekonomi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-114497.

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12

Hoffman, Elizabeth Kate. "The Effect of Two Different Ankle Foot Orthoses on Reactive Stepping in Young, Healthy Adults." University of Dayton / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1628168801921651.

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13

Villasenor, Aguilar Jose Maria. "Lateral-Torsional Buckling Instability Caused by Individuals Walking on Wood Composite I-Joists." Diss., Virginia Tech, 2013. http://hdl.handle.net/10919/19212.

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Recent research has shown that a significant number of the falls from elevation occur when laborers are working on unfinished structures. Workers walking on wood I-joists on roofs and floors are prone to fall hazards. Wood I-joists have been replacing dimension lumber for many floor systems and a substantial number of roof systems in light-frame construction. Wood I-joists are designed to resist axial stresses on the flanges and shear stresses on the web while minimizing material used. However, wood I-joists have poor resistance to applied lateral and torsional loads and are susceptible to lat
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14

Dagfalk, Johanna, and Ellen Kyhle. "Listening in on Productivity : Applying the Four Key Metrics to measure productivity in a software development company." Thesis, Uppsala universitet, Avdelningen för datalogi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-440147.

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Software development is an area in which companies not only need to keep up with the latest technology, but they additionally need to continuously increase their productivity to stay competitive in the industry. One company currently facing these challenges is Storytel - one of the strongest players on the Swedish audiobook market - with about a fourth of all employees involved with software development, and a rapidly growing workforce. With the purpose of understanding how the Storytel Tech Department is performing, this thesis maps Storytel’s productivity defined through the Four Key Metrics
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15

Yang, Shu-Han, and 楊淑瀚. "Dynamics in Litterfall and Nitrogen and Phosphorus Concentrations of Leaf Fall in the Natural Hardwood Forests of Chitou." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/28799147820340149439.

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碩士<br>國立臺灣大學<br>森林環境暨資源學研究所<br>95<br>From January 2006 to January 2007, we collected the litterfall monthly in two natural hardwood forests on the ridge (called “Top” hereafter) and middle slope (called “Middle” hereafter) of Fenghuang Mountain in the Experimental Forest, National Taiwan University. The objectives were to examine the litterfall dynamics and seasonal leaf fall patterns and concentrations of nitrogen and phosphorus of leaf fall in major tree species. The results showed that the annual litterfall was 7602 and 5148 kg ha-1 in the Top and Middle natural forests, respectively. The l
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16

Lin, Tien-Pei, and 林天培. "Litterfall dynamics and nutrient concentrations of leaf fall of four tree species in the Wanlong Farm, Pingtung County, Taiwan." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/33691428488518420200.

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碩士<br>國立臺灣大學<br>森林環境暨資源學研究所<br>103<br>Afforestation for the plain area had a great influence on the forest development in Taiwan. Taiwan Sugar Corporation has 290.66 ha in the Wanlong Farm for the propose of afforestation in Pingtung County. Litterfall collection is a standard non-destructive technique for assessing the productivity, phenology, and the conversion of biomass in a forest. To make a further understanding of nutrient cycle in the plantation, this study compared the litterfall dynamics and the nutrient of falling leaves among four tree species, which were planted in the Wanlong Far
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17

Kooner, Ramneek Luthe Dawn S. "Proteomic analysis of maize leaf tissues from inbred lines resistant and susceptible to fall armyworm, Spodoptera frugiperda (J.E. Smith)." 2008. http://etda.libraries.psu.edu/theses/approved/WorldWideIndex/ETD-3410/index.html.

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18

Frischbier, Nico. "Untersuchungen zur einzelbaumverursachten kleinräumigen Variabilität und regenhöhenbasierten Dynamik des Bestandesniederschlages am Beispiel zweier Buchen-Fichten-Mischbestände." Doctoral thesis, 2011. https://tud.qucosa.de/id/qucosa%3A26122.

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Trifft herabfallender Regen auf Waldflächen, so wird dieser Niederschlag umverteilt zu Interzeption, Stammabfluss, durchfallenden und abtropfenden Niederschlag. Besonders hohe Stammablaufmengen im Kronenzentrum und markante Abtropfstellen am Kronenrand einzelner Baumarten lassen sich zudem nur erklären, wenn am jeweiligen Messplatz unter Baumkronen eine weitere Niederschlagskomponente zugelassen wird, mit der laterale Wasserbewegungen innerhalb der expliziten Einzelbaumkrone beschrieben und bilanziert werden (lateraler [Zu- oder Ab-]Fluss). Ziel dieser Arbeit war es deshalb, der niederschlagsa
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19

Petter, Gunnar. "Effects of forest structure and dynamics on vascular epiphyte assemblages - Functional trait analyses and modelling studies." Doctoral thesis, 2016. http://hdl.handle.net/11858/00-1735-0000-0023-3E28-8.

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20

Douglas, Nigel Charles. "The Fall Into Modernity." Thesis, 1989. http://hdl.handle.net/10756/288464.

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