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Dissertations / Theses on the topic 'Drainage rate'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

ATTIALLAH, BENSABBAH FATIMA. "Abces bacteriens et fungiques spleniques non traumatiques : 8 observations; interet du drainage percutane." Reims, 1993. http://www.theses.fr/1993REIMM069.

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2

Jerz, Jeanette K. "Geochemical Reactions in Unsaturated Mine Wastes." Diss., Virginia Tech, 2002. http://hdl.handle.net/10919/27246.

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Although mining is essential to life in our modern society, it generates huge amounts of waste that can lead to acid mine drainage (AMD). Most of these mine wastes occur as large piles that are open to the atmosphere so that air and water vapor can circulate through them. This study addresses the reactions and transformations of the minerals that occur in humid air in the pore spaces in the waste piles. The rate of pyrite oxidation in moist air was determined by measuring over time the change in pressure between a sealed chamber containing pyrite plus oxygen and a control. The experiments

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3

Garcia, Martinez Maria Fernanda <1986&gt. "Geotechnical characterization of mixed sandy and silty soils using piezocone tests: Analysis of partial drainage phenomena and rate effects on the experimental soil response." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amsdottorato.unibo.it/6622/.

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The cone penetration test (CPT), together with its recent variation (CPTU), has become the most widely used in-situ testing technique for soil profiling and geotechnical characterization. The knowledge gained over the last decades on the interpretation procedures in sands and clays is certainly wide, whilst very few contributions can be found as regards the analysis of CPT(u) data in intermediate soils. Indeed, it is widely accepted that at the standard rate of penetration (v = 20 mm/s), drained penetration occurs in sands while undrained penetration occurs in clays. However, a problem arise

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Gauer, Emanuele Amanda. "Efeitos de velocidade em ensaios de palheta." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2015. http://hdl.handle.net/10183/130156.

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Os ensaios de palheta são frequentemente utilizados na estimativa da resistência não-drenada de depósitos de argilas moles devido à simplicidade do equipamento, rapidez de execução e baixo custo. A velocidade de deformação em ensaios de palheta de campo é, geralmente, de 6º/min. Contudo, os resultados destes ensaios são influenciados por vários fatores e, dentre eles, a velocidade de rotação pode ser considerada um dos mais importantes. Sob condições não-drenadas, os materiais argilosos apresentam ganho de resistência não-drenada com o aumento da velocidade de cisalhamento, resultante da visco

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5

Hessam, Schapoor [Verfasser], Waldemar [Gutachter] Uhl, and Matthias [Gutachter] Kemen. "Einfluss der präoperativen biliären Drainage auf die Rate an Gallenwegsinfektionen mit resistenten Mikroorganismen und deren Einfluss auf die postoperative Morbidität und Mortalität / Schapoor Hessam ; Gutachter: Waldemar Uhl, Matthias Kemen ; Medizinische Fakultät." Bochum : Ruhr-Universität Bochum, 2014. http://d-nb.info/1221368354/34.

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Hessam, Schapoor Verfasser], Waldemar [Gutachter] [Uhl, and Matthias [Gutachter] Kemen. "Einfluss der präoperativen biliären Drainage auf die Rate an Gallenwegsinfektionen mit resistenten Mikroorganismen und deren Einfluss auf die postoperative Morbidität und Mortalität / Schapoor Hessam ; Gutachter: Waldemar Uhl, Matthias Kemen ; Medizinische Fakultät." Bochum : Ruhr-Universität Bochum, 2014. http://d-nb.info/1221368354/34.

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7

Larsson, Philip. "Tryckfall och avskiljningsgrader av aerosola oljepartiklar i platt- och veckat material : Experimentella mätningar och modellering." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-85590.

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Industriella processer genererar utsläpp i form av bland annat luftföroreningar via processluften som i sin tur försämrar arbetsmiljön för industrins anställda. Enligt arbetsmiljölagen är arbetsgivaren skyldig att skydda de anställdas hälsa via en god arbetsmiljö och måste därmed rena processluften. Luftföroreningar består av aerosoler och definieras som en samling solida- eller vätskepartiklar svävandes i en gas. I rapporten behandlades aerosoler i form av oljepartiklar som genereras från källor som till exempel industriella processer som gjutning, slipning och värmebehandling. En sådan proce

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8

Csobi, Atila. "Amortecimento superficial nos sistemas de micro-drenagem em regiões de baixa declividade." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/3/3147/tde-11082011-121115/.

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O presente trabalho desenvolve uma proposta para a avaliação da redução da vazão de pico do hidrograma do método racional, no contexto de bacias hidrográficas topograficamente planas. Entendem-se como planas aquelas localidades, cujas declividades médias características e/ou projetadas são inferiores a 0,5%. Pretende-se também neste trabalho apresentar metodologias e práticas de projeto de drenagem usualmente adotadas em regiões de características topográficas semelhantes. No desenvolvimento do estudo, foram discutidas as bases teóricas do Método Racional e outros métodos de avaliação hidrológ

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9

Lozano, Letellier Alba. "Geochemistry of rare earth elements in acid mine drainage precipitates." Doctoral thesis, Universitat de Barcelona, 2019. http://hdl.handle.net/10803/668458.

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Rare earth elements (REE) are known as the lanthanide series (La-Lu) plus yttrium (Y) and scandium (Sc). REE are essential materials for modern industries and especially for green technologies (wind turbines, batteries, lasers, catalysts, etc.). However, despite their high global demand, their supply is limited such that the EU has cataloged it as critical raw materials. In order to ensure the supply of REE in the future, the search for alternative sources of these elements worldwide has been promoted in recent years. Acid mine drainage (AMD) produced by the Fe-sulphide weathering can effecti

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10

Nandela, V. K. Reddy. "Clogging of drainage material in leachate collection systems." Ohio : Ohio University, 1992. http://www.ohiolink.edu/etd/view.cgi?ohiou1172864667.

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11

Wilson, Ove Bjørn. "The influence of porous plates on effective drainage and imbibition rates." Doctoral thesis, Norwegian University of Science and Technology, Department of Petroleum Engineering and Applied Geophysics, 2004. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-899.

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<p>The goal in petrophyscial studies is very often to obtain representative capillary pressure curves in conjunction with Sw-RI relationships for log interpretation. The most frequently used techniques today are centrifugation, the porous plate and the mercury injection techniques.</p><p>Unlike the other methods, the strength of the porous plate technique is the possibility to establish both primary drainage, spontaneous imbibition, forced imbibition and secondary drainage without changing set up, conditions or method. In addition, the technique can be combined with resistivity measurements. T

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12

Huminicki, Danielle Marie Cecelia. "Effect of Coatings on Mineral Reaction Rates in Acid Mine Drainage." Diss., Virginia Tech, 2006. http://hdl.handle.net/10919/28519.

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This dissertation includes theoretical and applied components that address the effect of coatings on rates of mineral reactions that occur in acid mine drainage (AMD) environments. The two major projects investigated how diffusion-limited transport of reactants through pore spaces in coatings on mineral grains affects the reaction rate of the underlying mineral. The first project considered the growth of gypsum coatings on the surface of dissolving limestone in anoxic limestone drains (ALD), which reduces the neutralization rate of the dissolving limestone and the subsequent effectiveness of t

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Festi, Aparecido Vanderlei. "Estimativa da infiltração e do afluxo devidos à precipitação na rede de esgoto sanitário em município de pequeno porte." Universidade Federal de São Carlos, 2006. https://repositorio.ufscar.br/handle/ufscar/4212.

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Made available in DSpace on 2016-06-02T20:00:16Z (GMT). No. of bitstreams: 1 DissAVF.pdf: 3142723 bytes, checksum: d32fec625d6a407ea812f6bfdadc0c46 (MD5) Previous issue date: 2006-02-28<br>The main purpose of this work was to identify and to estimate the rainfall derived infiltration and inflow (IADP) into the sewer in a small city and to do an analysis of their influence on this collection system. This work was composed by field measurements on the sewage flowrate output and volume arriving to the Sewage Pumping Plant Station, simultaneously to the collection and measurement of rainfall on

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14

Rameau, Hugues Georges. "Influences de la pluviométrie sur la stabilité de talus routiers: méthodologie adaptée pour l'évaluation du profil hydrique temporel du sol et sa prise en compte dans les calculs de stabilité en Haïti." Doctoral thesis, Universite Libre de Bruxelles, 2010. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210025.

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Les routes sont normalement pourvues de systèmes de drainage dimensionnés et exécutés conformément aux règles de l’art en vue d’évacuer, le plus rapidement possible de l’emprise de la route, les eaux des précipitations à considérer sur la base des périodes de retour prises en compte. Toutefois, il subsiste souvent des écoulements d’eau indésirables au niveau des talus et parfois dans les accotements et/ou les surfaces de roulement non imperméabilisées. Une succession de pluies entraîne des infiltrations d’eau qui varient notamment en fonction des conditions climatiques et suivant la texture et

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15

Martysevich, Volha. "Seepage rates in closed basins." [Tampa, Fla] : University of South Florida, 2008. http://purl.fcla.edu/usf/dc/et/SFE0002706.

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16

Yao, Hengkai. "Spatial modelling of soil water drainage rates : a case study validated on a small catchment." Thesis, University of Reading, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362052.

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Traditionally, soil scientists have ignored the spatial dimension concentrating upon the physics of soil water movement at points/sites. The development of geographic information systems (GIS) provides an opportunity to develop soil-water models taking into account differences (spatially and temporally) in land cover and soil type. This thesis has attempted to integrate traditional soil water modelling within a GIS for estimating soil water drainage rates for a typical water catchment with spatially varied soil type and land cover. The Campbell soil model has been adopted for its simplicity an

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17

Saber, Scott William. "Characteristic Analysis of Acid Mine Drainage Precipitates for the Optimization of Rare Earth Extraction Processes." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/97826.

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Acid mine drainage (AMD) forms when sulfur bearing rocks such as pyrite, are exposed to air and water. The oxidation of these minerals leads to the generation of sulfuric acid, which in turn mobilizes metals such as iron, aluminum, manganese, and others. If left untreated, AMD can cause severe harm to the surrounding ecosystem. By law, mining companies are required to treat AMD, often by oxidizing the contaminated water, raising the pH with a chemical additive, and precipitating the metals out of solution. Recent studies at West Virginia University and Virginia Tech have shown that AMD and

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18

Murphy, Julianna E. "Catalytic Effect of Iron Oxidizing Bacteria on the Production of Pigment from Acid Mine Drainage." Ohio University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou149383043673114.

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19

Liu, Shushu. "Production of High-Grade Mixed Rare Earth Oxides from Acid Mine Drainage via Solvent Extraction: Laboratory-Scale Process Development." Thesis, Virginia Tech, 2020. http://hdl.handle.net/10919/96555.

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Several recent studies have shown that acid mine drainage (AMD) may be a promising source of rare earth elements (REEs), which are essential feedstocks for many high tech applications and defense products. AMD is a longstanding environmental challenge and is currently the primary pollutant of water in the Appalachian coal mining region. Acid generated during the coal mining process tends to leach several transition metals from the surrounding rock strata. While iron, aluminum, and manganese have traditionally been noted as the predominant metals in AMD, recent studies have also shown that REEs

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20

Klitzing, Kyle. "Rare Earth Elements and Yttrium in Acid Mine Drainages of the Illinois Basin." OpenSIUC, 2020. https://opensiuc.lib.siu.edu/theses/2808.

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Coal has been an important natural resource of energy in the Illinois Basin for generations. In addition to the organic macerals in coal, there is inorganic matter containing minerals and trace elements. With growing demand for economic and critical metals including Rare Earth Elements and Yttrium (REY), coals containing anomalously high concentrations of trace elements, as well as their associated coal mine wastes, and drainages have been explored as promising secondary resources, but there were no former studies of REY in Illinois basin CMD. CMD samples were collected from 35 abandoned coal

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21

Peiravi, Meisam. "CONTAMINANTS REMOVAL AND RARE EARTH ELEMENTS RECOVERY FROM COAL MINE DRAINAGE BY USING (BIO)(ELECTRO) CHEMICAL METHODS." OpenSIUC, 2018. https://opensiuc.lib.siu.edu/dissertations/1581.

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Mining activities, as essential as they are for our economy and our society, bring pollutants such as acid mine drainage (AMD) which contains dissolved metal(loid)s into the environment. There are different technologies currently being practiced to treat AMD, but many of these methods are prohibitive in industry due to high energy, material and labor requirements. This study investigated two emerging technologies to treat AMD with high removal rates of some metals. In addition, as AMD contains strategic metals such as rare earth elements (REEs), hydrometallurgical and biosorptive approaches

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22

IWASE, MASANORI. "The Influence of Portal Vein Occlusion on Liver Mitochondria in Rats after Releasing Biliary Obstruction." Nagoya University School of Medicine, 1986. http://hdl.handle.net/2237/17487.

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23

Zimmerman, Jennifer L. "Rates of swim bladder parasite infection and PIT tag retention in upstream migrant American eels of the Upper Potomac River drainage." Morgantown, W. Va. : [West Virginia University Libraries], 2008. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=5980.

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Thesis (M.S.)--West Virginia University, 2008.<br>Title from document title page. Document formatted into pages; contains vii, 67 p. : ill. (some col.), col. maps. Includes abstract. Includes bibliographical references.

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24

Taky, Abdelilah. "Maitrise des excès d'eau hivernaux et de l'irrigation et leurs conséquences sur la productivité de la betterave sucrière dans le périmètre irrigue du Gharb (Maroc). Analyse expérimentale et modélisation." Phd thesis, AgroParisTech, 2008. http://tel.archives-ouvertes.fr/tel-00397822.

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La plaine du Gharb au Maroc, souffre d'excès d'eau pendant l'hiver et du déficit hydrique en été. Cet état de fait explique la faible rentabilité des investissements hydro agricoles réalisés à ce jour par le gouvernement. L'originalité de ce travail réside dans le fait de relier l'évacuation des eaux de surface excédentaires au cours de l'hiver, et la satisfaction des besoins en eau de la culture dès le printemps où elle commence à connaître un déficit hydrique.<br />Deux objectifs sont assignés à ce travail : (i) l'évaluation des performances hydrauliques et agronomiques du drainage de surfac

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Bent, Denzil. "A comparison of Brine evaporation rates under controlled conditions in a laboratory." University of the Western Cape, 2018. http://hdl.handle.net/11394/6443.

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Magister Scientiae - MSc (Environ & Water Science)<br>There are growing concerns around the environmental issues related to processed water as the demand for potable water is on the increase in South Africa. Effluents discharged from various sectors such as water treatment facilities pose a constant threat to the environment and natural water resources, including rivers and groundwater due to their poor chemical and physical composition. As a result, the demand for predicting the elevated concentrations of salts in a spatial and temporal dimension is constantly growing. The effluent at the eMa

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26

Jiang, Shuang. "Bacterial leaching from dairy shed effluent applied to a fine sandy loam under flood and spray irrigations." Lincoln University, 2008. http://hdl.handle.net/10182/668.

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Land application of wastes has become increasingly popular, to promote nutrient recycling and environmental protection, with soil functioning as a partial barrier between wastes and groundwater. Dairy shed effluent (DSE), may contain a wide variety of pathogenic micro-organisms, including bacteria (e.g. Salmonella paratyphyi, Escherichia coli. and Campylobacter), protozoa and viruses. Groundwater pathogen contamination resulting from land-applied DSE is drawing more attention with the intensified development of the dairy farm industry in New Zealand. The purpose of this research was to investi

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27

Carrick, Sam. "The dynamic interplay of mechanisms governing infiltration into structured and layered soil columns." Lincoln University, 2009. http://hdl.handle.net/10182/1328.

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Worldwide there is considerable concern over the effects of human activities on the quantity and quality of freshwater. Measurement of infiltration behaviour will be important for improving freshwater management. This study identifies that New Zealand has a sporadic history of measuring soil water movement attributes on a limited number of soil types, although the current practical demand should be large for management of irrigation, dairy farm effluent disposal, as well as municipal / domestic waste- and storm-water disposal. Previous research has demonstrated that infiltration behaviour is g

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28

Paye, François. "La nécrose pancréatique dans la pancréatite aigue : étude expérimentale du rôle des acides gras libres ; études cliniques de son traitement." Paris 11, 1999. http://www.theses.fr/1999PA11T055.

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La nécrose pancréatique est responsable, du fait de ses conséquences loco-régionales et systémiques, de la gravité des pancréatites aiguës. Nos travaux expérimentaux ont étudié in vivo chez le rat le rôle supposé d 'une production d’acides gras libres (AGL) toxiques par la lipase libérée, dans la genèse de la nécrose pancréatique, rôle établi jusqu'alors par des travaux réalisés in vitro. La majoration artificielle des taux d 'AGL circulants n'a pas aggravé les pancréatites œdémateuses à la céruléine. Aucune libération spontanée d'AGL n'a été mise en évidence dans la circulation périphérique o

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SILVA, MIRNA M. S. e. "Processo oxidativo avançado com ozônio de efluentes contaminados por manganês e outros metais pesados originados na drenagem ácida em mina de urânio." reponame:Repositório Institucional do IPEN, 2016. http://repositorio.ipen.br:8080/xmlui/handle/123456789/27501.

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Submitted by Marco Antonio Oliveira da Silva (maosilva@ipen.br) on 2017-05-25T13:07:01Z No. of bitstreams: 0<br>Made available in DSpace on 2017-05-25T13:07:01Z (GMT). No. of bitstreams: 0<br>Durante a exploração de uma mina, vários impactos são causados no meio ambiente, entre eles a geração da drenagem ácida de minas (DAM), que consiste da exposição de minerais sulfetados ao ar, água e microorganismos do tipo ferroxidantes, apresentando reações de oxidação e formação de ácido sulfúrico solubilizando metais ali presentes contaminando o solo e as águas. O objetivo deste trabalho de pesquisa f

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Barnes, Jason B. "Variable Denudation in the Evolution of the Bolivian Andes: Controls and Uplift-Climate-Erosion Feedbacks." Thesis, The University of Arizona, 2002. http://hdl.handle.net/10150/240131.

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Controls on denudation in the eastern Bolivian Andes are evaluated by synthesis of new and existing denudation estimates from basin-morphometry, stream - powered fluvial incision, landslide mapping, sediment flux, erosion surfaces, thermochronology, foreland basin sediment volumes, and structural restorations. Centered at 17.5 °S, the northeastern Bolivian Andes exhibit high relief, a wet climate, and a narrow fold- thrust belt. In contrast, the southeastern Bolivian Andes have low relief, a semi-arid climate, and a wide fold-thrust belt. Basin -morphometry indicates a northward increase in re

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Hui, Ho-Wah. "Effect of particle dissolution rate and drainage rate on ocular bioavailability." 1985. http://catalog.hathitrust.org/api/volumes/oclc/13057233.html.

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Thesis (Ph. D.)--University of Wisconsin--Madison, 1985.<br>Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.

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CHEN, CHIA-HUI, and 陳佳惠. "Effect of Lymph Drainage Massage and Citrus species Essential Oil on Heart Rate Variability." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/tf8k6k.

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碩士<br>東方設計大學<br>時尚美妝設計系<br>106<br>The hectic pace of today's intense lifestyle is likely to cause people stressful more than ever. When our body is under pressure, we usually seek for a remedy to relieve stress; aromatherapy is a popular choice we make to relax our body and mind. This research is basically a study of the influence of essence oils and manual lymphatic drainage upon the heart rate variability (HRV) of autonomic nerve. This research is in the quasi-experimental design, and the cases are sampled purposely and grouped randomly. According to the questionaires, the aromas of the esse

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Vitter, Cameron Artigues. "A generalized flow rate model for primary production and an analysis of gravity drainage through numerical simulation." Thesis, 2014. http://hdl.handle.net/2152/29250.

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The age of “easy” oil has steadily declined through the years as many conventional land-based fields have been depleted to residual levels. Novel technologies, however, have reawakened old fields, allowing incremental oil to be added to their recoverable oil in place (ROIP). Underground Gravity Drainage (UGD), an example of one of these technologies, combines improved horizontal and deviated drilling technologies with the longstanding concept of gravity drainage. In this work, a better understanding of gravity drainage has been gained through (1) development of a numerical, three-dimensional,

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Mohamed, Mostafa H. A., Kezza O. El, Mohamad Abdel-Aal, A. Schellart, and Simon J. Tait. "Effects of coolant flow rate, groundwater table fluctuations and infiltration of rainwater on the efficiency of heat recovery from near surface soil layers." Thesis, 2014. http://hdl.handle.net/10454/9198.

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No<br>This paper aims to investigate experimentally the effects of circulating coolant flow rate, groundwater table fluctuations, infiltration of rainwater, on the amount of thermal energy that can be recovered from the near surface soil layers. A comprehensive experimental investigation was carried out on a fully equipped tank filled with sand. A heat collector panel was embedded horizontally at the mid-height of the tank. Measurements of the temperature at various points on the heat collector panel, adjacent soil, inlet and outlet were continuously monitored and recorded. After reaching a st

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Masarik, Kevin C. "Monitoring water drainage and nitrate leaching below different tillage practices and fertilization rates." 2003. http://catalog.hathitrust.org/api/volumes/oclc/53838559.html.

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Thesis (M.S.)--University of Wisconsin--Madison, 2003.<br>Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 92-94).

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36

Gupta, Neha 1986. "A Novel Approach for the Rapid Estimation of Drainage Volume, Pressure and Well Rates." Thesis, 2012. http://hdl.handle.net/1969.1/148380.

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For effective reservoir management and production optimization, it is important to understand drained volumes, pressure depletion and reservoir well rates at all flow times. For conventional reservoirs, this behavior is based on the concepts of reservoir pressure and energy and convective flow. But, with the development of unconventional reservoirs, there is increased focus on the unsteady state transient flow behavior. For analyzing such flow behaviors, well test analysis concepts are commonly applied, based on the analytical solutions of the diffusivity equation. In this thesis, we have prop

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Lee, Yi-Wei, and 李羿葦. "Relationship of frictional characteristics of kaolin clay in different slip rates and drainage conditions." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/gtjjs5.

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碩士<br>國立中央大學<br>應用地質研究所<br>105<br>Large landslide usually causes loss of life and property. The slip rate, drainage condition and shear displacement control the frictional characteristics of slip zone. Moreover, the effective stress of slip zone decreases with increasing pore pressure. The strength of slip zone is controlled by the slip rate and pore pressure. To know the relation between the frictional characteristics and previous parameters contribute to research of landslide prevention. This study aims at exploring the influence of slip rates and drainage conditions on the strength of kaoli

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Lupton, Mary Kay Bruns Mary Ann. "Revegetation of an acid mine drainage - impacted soil using low rates of lime and compost." 2008. http://etda.libraries.psu.edu/theses/approved/PSUonlyIndex/ETD-3411/index.html.

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Yao-ChihYou and 游耀智. "Acid mine drainage remediation and recovery of rare earth elements in Chin-Kua-Shih, northern Taiwan." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/h8a57a.

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碩士<br>國立成功大學<br>地球科學系<br>106<br>The acid mine drainage (AMD) is a severe environmental problem in mining areas, e.g., Chin-Kua-Shih, northern Taiwan, because of its high acidity as well as abundant toxic elements, and sulfate contents. Nonetheless, rare earth elements (REEs), popular raw materials for modern industries, are found enriched in AMD. In this study, we provided two remediation methods to neutralize the water acidity and recover the REEs from the Chin-Kua-Shih AMD system. For one hand, laboratory precipitation experiments using fluidized bed reactor had successfully reduced the heav

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