Littérature scientifique sur le sujet « Final cover »

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Articles de revues sur le sujet "Final cover"

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Stark, T. D., et E. J. Newman. « Design of a landfill final cover system ». Geosynthetics International 17, no 3 (juin 2010) : 124–31. http://dx.doi.org/10.1680/gein.2010.17.3.124.

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Vangpaisal, Thaveesak. « Simulation of Final Cover Systems in Mitigating Landfill Gas Migration ». Applied Mechanics and Materials 587-589 (juillet 2014) : 886–91. http://dx.doi.org/10.4028/www.scientific.net/amm.587-589.886.

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Landfill cover systems have to serve as a hydraulic barrier as well as a gas barrier. The ability of multilayered cover systems to mitigate landfill gas migration was assessed. A finite element model, SEEP/W®, was used to simulate the landfill cover system. It was found that gas advective flux through the single GCL barrier was highly dependent on the differential gas pressure across the cover system and the conditions of soils above the barrier layer. The change from wet to dry condition resulted in the increase of gas flux up to 3000 times. Gas flux variations were much lower for the case of a single CCL. The use of a geomembrane on top of a CCL or a GCL significantly increased the effectiveness of the barrier layer in mitigating gas migration, particularly in a dry climatic condition. Furthermore, the change of the cover conditions had less effect on gas flux through a composite cover system than gas flux through a single barrier cover system. For the effective control of landfill gas migration, the cover system must be maintained at the high moisture content conditions.
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Rodari Gutierrez, Germán Javier, et Luciano Agustín Oldecop. « Test plot study of a tailings stack final cover prototype ». MATEC Web of Conferences 337 (2021) : 04006. http://dx.doi.org/10.1051/matecconf/202133704006.

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Waste storage facilities must be protected against weathering once mining operations come to end, in order to ensure structural integrity and to avoid environmental pollution. Cover systems consisting on earthen materials layers that are placed over the wastes are a widely spread solution to fulfil such requirement. This paper presents an experimental study of a cover system intended to protect a waste storage facility study case located in the arid eastern foothills of the Central Andes range, Argentina. At the study case, filtered tailings and waste rock are stored conjunctly. Both materials are stacked as alternating layers, roughly one-meter thickness each. The cover prototype is comprised of the stack topmost tailings layer, which is expected to act as the store-and-release element of a WB cover. The prototype design also includes a waste rock layer placed on top of the tailings, to avoid wind and runoff erosion. A total of 6 study plots have been setup, each equipped with water content and matric suction sensors. The plots location was decided to tackle cover response under sloping and horizontal ground conditions. The performance of three different waste rock layer thicknesses are being studied under both placement inclinations. Available data shows that the prototype comprising a 10cm thick waste rock layer has served satisfactorily to avoid deep percolation and tailings erosion.
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Liu, Chia‐Nan. « Working‐strain based design of landfill final cover systems ». Journal of the Chinese Institute of Engineers 26, no 2 (mars 2003) : 249–53. http://dx.doi.org/10.1080/02533839.2003.9670776.

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MOOSA, TANAEEM M., SUMAIYA NAZEEN, M. SOHEL RAHMAN et REZWANA REAZ. « INFERRING STRINGS FROM COVER ARRAYS ». Discrete Mathematics, Algorithms and Applications 05, no 02 (juin 2013) : 1360005. http://dx.doi.org/10.1142/s1793830913600057.

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Covers, being one of the most popular form of regularities in strings, have drawn much attention in the relevant literature. In this paper, we focus on the problem of linear-time inference of strings from cover arrays using the least sized alphabet. We present an algorithm that can reconstruct a string x over a binary alphabet whenever a valid cover array C is given as an input. We have devised our algorithm using several interesting combinatorial properties of cover arrays as well as an interesting relation between border array and cover array. Our algorithm runs in linear-time. The fact that, from any valid cover array, we can infer a binary string x, is, in itself, a fascinating result in stringology, and this work may be considered as the final step for this particular problem area.
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Mei, Fu Liang, et Gui Ling Li. « Study on Gas Pressure Characteristics in Multi-Layered Landfills of Municipal Solid Waste ». Advanced Materials Research 518-523 (mai 2012) : 3507–11. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.3507.

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In this treatise one-dimensional mathematical model of gas migration in multi-layered landfills of MSW on seepage mechanics of multi-pore media and Darcy’s seepage law. Analysis of gas migration in multi-layered landfills is carried out for three different cases. The gas pressure distribution characteristics in multi-layered landfills of MSW, the effects of final/internal soil cover, the permeability and thickness of the final soil cover, the permeability and gas generation rate of MSW on the gas pressure distributions are investigated. Results show that the bigger is the ratio of gas generation rate to gas permeability of MSW, the bigger is the gas pressure in a uniform MSW landfill. The gas generation rate of MSW mainly controls the size of gas pressure, and the gas permeability of MSW dominates the gas pressure distribution characteristics in a uniform MSW landfill with a final soil cover. The smaller is the gas permeability of the final soil cover or the bigger is the gas generation rate of MSW the bigger is the gas pressure gradient inside the final soil cover
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Lim, Sun Whae, Cheol Hyeon Jang, Byong Ro Ryu et Yong Soon Lee. « A Study on the Control of Attached Algae by Installing the Drainage Cover Device for the Final Sedimentation of Sewage Treatment Plant ». Journal of Korean Society of Environmental Engineers 43, no 4 (30 avril 2021) : 265–73. http://dx.doi.org/10.4491/ksee.2021.43.4.265.

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Objectives : Adherent algae which are generated in the final sedimentation weir of the sewage treatment plant and the drainage channel, affect the quality of the final effluent water, and it has bad aesthetic effect due to fomation of flcok floating in the sedimentation tank. Therefore, the purpose of this study is prevention of the growth of adherent algae in advance by installing circular cover on the final sedimentation weir and drainage channels.Methods : In this study, we compared the growth pattern of adhered algae on weir and drainage channels before and after installation of circular cover at the final sedimentation weir and drainage channel of the sewage treatment plant. In addition, to identity species of attached algaem microscopic observation was applied, and ch-a concentration was analyzed to confirm the quality of the final effluent water.Results and Discussion : Then, we compared the results before and after installation of cover to check adhesion status of algae on the surface of final sedimentation drain. In case without cover, it was confirmed by observing the growth of attached algae under normal condition with air and photosynthetic reaction, and in case with cover, it was compared with opening after a certain period of time after installation of the drainage cover. As a result of the comparison, it was confirmed that a lot of attached algae occurred in the sedimentary weir and the drain. From the above results, the occurrence of final sedimentation algae is not only affected by the material and season of the drainage, but also after the formation a cluster by algae that have strong adhesion force, and then the microbial species contained in the effluent build secondary attachment and forms colony.Conclusions : In order to prevent the growth of adherent algae, a method of suppression of the growth of adherent algae by inhibition of photosynthesis was studied by installing a cover device on the weir and drain channels. As a result of installing a cover (34,000 thousand won) and reviewing economic feasibility, it can be recovered in 2.6 years, and stainless steel was selected in the view of mechanical stability and facility aging. The final sedimentation water quality increased 99.8% of Ch-a concentration treatment efficiency and 15% of SS sedimentation efficiency by installing a cover.
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Macaulay, Andrew. « Mental Health Act 1983 (UK, 1983, 28 mins) ». Bulletin of the Royal College of Psychiatrists 10, no 10 (octobre 1986) : 293. http://dx.doi.org/10.1192/s0140078900023300.

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Few people will have read the Mental Health Act 1983 from cover to cover and so the makers of this programme are to be congratulated on producing a timely, well-produced visual synopsis. The programme comes with an excellent transcript and contents but, in fact, the programme stands alone and can be watched without reference to these. It is divided into four parts; firstly the philosophy and background, the civil commitals, criminal commitals, and the final part covers the Mental Health Act Commission and rights for detained patients.
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Benson, Craig H., Patricia A. Thorstad, Ho-Young Jo et Steven A. Rock. « Hydraulic Performance of Geosynthetic Clay Liners in a Landfill Final Cover ». Journal of Geotechnical and Geoenvironmental Engineering 133, no 7 (juillet 2007) : 814–27. http://dx.doi.org/10.1061/(asce)1090-0241(2007)133:7(814).

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Kwon, Ohjung, et Wanjei Cho. « Field applicability of self-recovering sustainable liner as landfill final cover ». Environmental Earth Sciences 62, no 8 (2 juillet 2010) : 1567–76. http://dx.doi.org/10.1007/s12665-010-0640-1.

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Thèses sur le sujet "Final cover"

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Dhanens, Niles Fortner James. « Module cover conductivity enhancement : senior project, final report / ». Click here to view, 2009. http://digitalcommons.calpoly.edu/mesp/4/.

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Soares, Tatiane Aparecida. « Rodas compactadoras e aterradoras na qualidade de acabamento de semeadura direta / ». Jaboticabal : [s.n.], 2009. http://hdl.handle.net/11449/100852.

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Resumo: O plantio direto consiste em um sistema de manejo conservacionista da produção agrícola, que promove a melhoria das condições físicas, químicas e biológicas do solo. Desta forma, o objetivo do presente trabalho foi a avaliação de sistemas de acabamento de semeadura existentes no mercado nacional, utilizados em semeadoras de precisão para plantio direto, assim como novas propostas, levando em conta fatores que afetam a germinação das sementes e a emergência das plântulas no campo. O experimento foi conduzido na Fazenda Experimental do Instituto Agronômico do Paraná - IAPAR, em Londrina, utilizando-se o delineamento experimental em blocos ao acaso, com oito tratamentos e quatro repetições para a cultura do feijão e três repetições para a cultura da soja. Os tratamentos foram constituídos de oito sistemas de acabamento de semeadura, dotados de componentes com e sem aterramento, sistemas de controle de profundidade de sementes e rodas compactadoras. Foram avaliadas variáveis do solo, das sementes e parâmetros de desempenho das unidades semeadoras. Conclui-se que os discos aterradores melhoram os resultados das unidades de semeadura, beneficiando a operação em diferentes aspectos e aumentando a emergência. As rodas controladoras de profundidade paralelas melhoram os resultados dos discos aterradores, inclusive os de emergência. As rodas compactadoras lisas não são indicadas, pois promovem problemas de selamento superficial. As rodas compactadoras em "V" apresentaram bons resultados, mas as rodas compactadoras com garras e sulcos internos tendem a ser melhores
Abstract: No-till is a system of conservation management of agricultural production, which promotes the improvement of the physical, chemical and biological soil conditions. Thus, the purpose of this study was to evaluate the systems finish seeding on the market in Brazil, used in precision seeders for no-till planters, as well as new proposals, considering factors that affect seed germination and emergence seedlings in the field. The experiment was conducted at the Experimental Farm of the Agronomic Institute of Paraná - IAPAR, in Londrina, using the randomized block planning with eight treatments and four repetitions for the cultivation of beans and three repetitions for soybean. Treatments consist of eight systems of finish seeding that having components with and without ground finish systems, depth of seed and compactor wheels. Was evaluated soil variables, seeds variables and performance parameters of seeding units. It was concluded that soil cover disks improve the seeding units performance, benefit the operation in different aspects and increasing the emergency. Parallel depth controller wheels improve results of soil cover discs, including the emergency. The flat compactor wheels are not recommended, because they promote soil surface sealing problems. The wheels in "V" had good results, but the wheels with grip and internal ridges tend to be better
Orientador: Carlos Eduardo Angeli Furlani
Coorientador: Ruy Casão Júnior
Banca: Rouverson Pereira da Silva
Banca: Antonio Sérgio Ferraudo
Banca: Luiz Malcolm Mano de Mello
Banca: Wilson José Oliveira de Souza
Doutor
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Soares, Tatiane Aparecida [UNESP]. « Rodas compactadoras e aterradoras na qualidade de acabamento de semeadura direta ». Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/100852.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
O plantio direto consiste em um sistema de manejo conservacionista da produção agrícola, que promove a melhoria das condições físicas, químicas e biológicas do solo. Desta forma, o objetivo do presente trabalho foi a avaliação de sistemas de acabamento de semeadura existentes no mercado nacional, utilizados em semeadoras de precisão para plantio direto, assim como novas propostas, levando em conta fatores que afetam a germinação das sementes e a emergência das plântulas no campo. O experimento foi conduzido na Fazenda Experimental do Instituto Agronômico do Paraná – IAPAR, em Londrina, utilizando-se o delineamento experimental em blocos ao acaso, com oito tratamentos e quatro repetições para a cultura do feijão e três repetições para a cultura da soja. Os tratamentos foram constituídos de oito sistemas de acabamento de semeadura, dotados de componentes com e sem aterramento, sistemas de controle de profundidade de sementes e rodas compactadoras. Foram avaliadas variáveis do solo, das sementes e parâmetros de desempenho das unidades semeadoras. Conclui-se que os discos aterradores melhoram os resultados das unidades de semeadura, beneficiando a operação em diferentes aspectos e aumentando a emergência. As rodas controladoras de profundidade paralelas melhoram os resultados dos discos aterradores, inclusive os de emergência. As rodas compactadoras lisas não são indicadas, pois promovem problemas de selamento superficial. As rodas compactadoras em “V” apresentaram bons resultados, mas as rodas compactadoras com garras e sulcos internos tendem a ser melhores
No-till is a system of conservation management of agricultural production, which promotes the improvement of the physical, chemical and biological soil conditions. Thus, the purpose of this study was to evaluate the systems finish seeding on the market in Brazil, used in precision seeders for no-till planters, as well as new proposals, considering factors that affect seed germination and emergence seedlings in the field. The experiment was conducted at the Experimental Farm of the Agronomic Institute of Paraná – IAPAR, in Londrina, using the randomized block planning with eight treatments and four repetitions for the cultivation of beans and three repetitions for soybean. Treatments consist of eight systems of finish seeding that having components with and without ground finish systems, depth of seed and compactor wheels. Was evaluated soil variables, seeds variables and performance parameters of seeding units. It was concluded that soil cover disks improve the seeding units performance, benefit the operation in different aspects and increasing the emergency. Parallel depth controller wheels improve results of soil cover discs, including the emergency. The flat compactor wheels are not recommended, because they promote soil surface sealing problems. The wheels in V had good results, but the wheels with grip and internal ridges tend to be better
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Ritchie, Glen L. « Use of Ground-Based Canopy Reflectance to Determine Radiation Capture, Nitrogen and Water Status, and Final Yield in Wheat ». DigitalCommons@USU, 2003. https://digitalcommons.usu.edu/etd/5632.

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Ground-based spectral imaging devices offer an important supplement to satellite imagery. Hand-held, ground-based sensors allow rapid, inexpensive measurements that are not affected by the earth’s atmosphere. They also provide a basis for high altitude spectral indices. We quantified the spectral reflectance characteristics of hard red spring wheat (Triticum aestivum cv. Westbred 936) in research plots subjected to either nitrogen or water stress in a two year study. Both types of stress reduced ground cover, which was evaluated by digital photography and compared with ten spectral reflectance indices. On plots with a similar soil background, simple indices such as the normalized difference vegetation index, ratio vegetation index, and difference vegetation index were equal to or superior to more complex vegetation indices for predicting ground cover. Yield was estimated by integrating the normalized difference vegetation index over the growing season. The coefficient of determination (r2) between integrated normalized difference vegetation index and final yield was 0.86. Unfortunately, none of these indices were able to differentiate between the intensity of green leaf color and ground cover fraction, and thus could not distinguish nitrogen from water stress. We developed a reflective index that can differentiate nitrogen and water stress over a wide range of ground cover. The index is based on the ratio of the green and red variants of the normalized difference vegetation index. The new index was able to distinguish nitrogen and water stress from satellite data using wavelengths less than 1000 nm. This index should be broadly applicable over a wide range of plant types and environments.
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Oliveira, ClÃudio Andrà Almeida de. « AnÃlise do Fluxo de Gases na Camada de Cobertura do Aterro SanitÃrio Municipal Oeste de Caucaia (ASMOC) ». Universidade Federal do CearÃ, 2012. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=7346.

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nÃo hÃ
O crescente consumo humano acarreta uma maior geraÃÃo de resÃduos, que, por sua vez, devem ser adequadamente tratados e descartados. O armazenamento dos resÃduos urbanos em aterros produz gases, que quando nÃo geridos corretamente prejudicam a qualidade de vida da populaÃÃo. As emissÃes incontroladas desses gases provocam mÃltiplos impactos econÃmicos e socioambientais a partir da contaminaÃÃo do ar nas diferentes cidades do mundo. A comunidade circunvizinha do aterro à bastante prejudicada em virtude do convÃvio constante com o mau cheiro, gases inflamÃveis e atà componentes cancerÃgenos presentes no biogÃs. Em termos mundiais, o lanÃamento incontrolado do biogÃs na atmosfera à uma das contribuiÃÃes humanas para o aumento dos Gases causadores do Efeito Estufa (GEE) e aquecimento global. Uma das principais formas de se evitar a passagem aleatÃria do biogÃs gerado em aterros para a atmosfera à constituir um adequado sistema de cobertura dos resÃduos, a qual tem, dentre outras funÃÃes, evitar a fuga dos gases e a entrada de Ãguas pluviais na massa de resÃduos, alÃm de auxiliar na coleta e tratamento do biogÃs gerado no interior do aterro. Desenvolveu-se tÃcnicas de laboratÃrio e em campo para contemplar o estudo do fluxo de gases que atravessa o solo utilizado como cobertura do Aterro SanitÃrio Metropolitano Oeste de Caucaia (ASMOC), com o objetivo de se avaliar a funcionalidade da camada de cobertura e se estimar a quantidade de gases, metano (CH4) e diÃxido de carbono (CO2), emitidos pelo Aterro. Escolheram-se quatro pontos distintos na superfÃcie da cÃlula, onde foram coletadas duas amostras, uma deformada e outra indeformada, para cada ponto selecionado. Os resultados mostraram que o solo da camada de cobertura foi classificado como areia fina silto-argilosa, com permeabilidade de 2,2 x 10-4 cm/s, limite de liquidez de 27%, limite de plasticidade de 14% (Ãndice de plasticidade: 13%), massa especifica seca mÃxima de 1,83 g/cm e umidade Ãtima de 11%. Utilizou-se a metodologia de mediÃÃo por placa de fluxo de alta sensibilidade, onde se mediu o fluxo que atravessa a camada de cobertura, utilizando-se aparelhos de precisÃo. A mÃdia do fluxo de CH4 emitido pela camada de cobertura variou entre 105 e 1.361 m3/dia.m2, enquanto a mÃdia dos fluxos de CO2 variou de 76 à 1.048 m3/dia.m2. O fluxo mÃdio de CH4 pode atingir valores prÃximos de 9.452 t/ano, o que representa aproximadamente 198,5 mil t de CO2eq por ano em uma Ãrea de 78 hectares do aterro
The growing human consumption entails a greater generation of waste, which, in turn, must be properly treated and disposed. The storage of waste in landfills produces gas, which if not managed properly will affect the quality of life. The uncontrolled emissions of these gases cause multiple economic, social and environmental impacts, as due to air pollution in different cities around the world. The community surrounding the landfill is actually impaired by virtue of living with the constant stench, flammable and even carcinogenic compounds present in the biogas. Worldwide, the uncontrolled release of biogas into the atmosphere is one of the human contributions to the increase of greenhouse gases (GHG) emissions and global warming. One of the main ways to avoid the random passage of the biogas generated in landfills to the atmosphere is to provide an adequate coverage of the waste system, which has, among other functions, prevent the escape of gases and the ingress of rainwater into the mass of waste as well as assist in the collection and treatment of the biogas generated within the landfill. Techniques were developed in the laboratory and field research to consider the flow of gases through the soil used as cover Landfill Metropolitan West Caucaia (ASMOC), to assess the functionality of the cover layer and estimate the amount of gases, methane (CH4) and carbon dioxide (CO2) emitted by the landfill. Four different points on the cell surface were chosen, where two samples were collected, a deformed and other undeformed, for each selected point. The results showed that the covering layer is classified as sandy silt-clay, with permeability of 2,2 x 10-4 cm/s, liquid limit of 27%, plastic limit of 14% (plasticity index: 13%), maximum dry density of 1.83 g/cm and optimum moisture content of 11%. The methodology used was the static flow measurement with high sensitivity, which measures the gas flow through the cover layer, using precision instruments. The average flow of CH4 emitted by the layer of coverage ranged between 105 and 1.361 m3/dia.m2, while the average CO2 fluxes ranged 76 - 1.048 m3/dia.m2. The average CH4 flux can reach values close to 9,452 tons / year, which represents about 198 500 tonnes of CO2 eq per year in an area of 78 hectares of the landfill.
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Rios, Daiane do Carmo. « Aplica??o de dois modelos de balan?o h?drico para estudo de Camada de cobertura de aterro sanit?rio utilizando solo e Res?duo da constru??o civil (RCC) ». Universidade Estadual de Feira de Santana, 2016. http://localhost:8080/tede/handle/tede/473.

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Funda??o de Amparo ? Pesquisa do Estado da Bahia - FAPEB
The water balance is an important aspect on development of a landfill project, and the choice of material for the cover layer will influence the generation of percolated liquids. Considering the composition and characteristics of cover layers, it becomes necessary the conventional material substitution. Therefore, this study compared the construction civil waste (CCW) to the soil from the university campus - UEFS in Feira de Santana/BA as used in evapotranspiration cover layer for landfill, using the water balance models Fenn et al. (1975) and S?o Mateus et al. (2012). The results showed that both materials have the same behavior for the Fenn et al. (1975) method, where the CCW generates less liquid than MSW to the ground. By the method of S?o Mateus et al. (2012), the CCW and the soil allow the passage of water to the MSW in different behaviors, and the soil promoted greater liquid infiltration, about 95.5% higher than the CCW. When the methods were compared, S?o Mateus et al. (2012) presented higher water infiltration to the MSW in the simulation with the soil, in relation to the method of Fenn et al. (1975), and smaller with the CCW, this occurs due to the distinction of the input parameters for the materials, highlighting the influence of the permeability coefficient in the water balance.
O balan?o h?drico ? parte importante no processo de elabora??o de um projeto de aterro sanit?rio, visto que a escolha do material para a camada de cobertura influenciar? na gera??o de l?quidos percolados. Tendo em vista a necessidade da utiliza??o de materiais para a composi??o das diversas camadas dos sistemas de cobertura, torna-se indispens?vel o estudo de materiais alternativos para a substitui??o dos materiais usados originalmente. Para tanto, este trabalho comparou o res?duo da constru??o civil (RCC) com o solo do campus universit?rio da UEFS em Feira de Santana/BA utilizados como camada de cobertura para aterro sanit?rio, utilizando os modelos de balan?o h?drico de Fenn et al. (1975) e S?o Mateus et al. (2012). Os resultados mostraram que, pelo m?todo de Fenn et al. (1975), ambos os materiais possuem comportamento semelhante, sendo que o RCC infiltrou menor quantidade de ?gua para o res?duo s?lido urbano (RSU) do que o solo. Pelo m?todo de S?o Mateus et al. (2012), o RCC e o solo permitem a passagem de ?gua para o RSU em comportamentos distintos, sendo que o solo promoveu maior infiltra??o de l?quidos, cerca de 95,5% maior do que o RCC. Quando comparados os m?todos, S?o Mateus et al. (2012) apresentou maior infiltra??o de ?gua para o RSU na simula??o com o solo, com rela??o ao m?todo de Fenn et al. (1975), e menor com o RCC, isto ocorre devido ? distin??o dos par?metros de entrada para os materiais, destacando-se a influ?ncia do coeficiente de permeabilidade no balan?o h?drico.
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ARAUJO, Pabllo da Silva. « Análise do desempenho de um solo compactado utilizado na camada de cobertura de um aterro sanitário ». Universidade Federal de Campina Grande, 2017. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/373.

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Uma das formas de tratamento de Resíduos Sólidos Urbanos (RSU) que mais se destaca são os aterros sanitários, que possui como vantagens, a facilidade de operação, menor custo quando comparado às outras técnicas (triagem, tratamento biológico, incineração, entre outras) e a existência de um plano de monitoramento contínuo. O aterro sanitário utiliza uma camada de cobertura final de solo compactado com a finalidade de isolar os resíduos do meio externo, minimizar a entrada de água para o interior do maciço sanitário, reduzir as emissões de gases para a atmosfera, evitar a proliferação de roedores e vetores de doença, entre outras. As Normas Brasileiras não regulamentam o tipo de solo a ser utilizado, nem técnicas de execução de camadas de coberturas de aterros, nem a forma de monitoramento, possuindo como única exigência o atendimento de um coeficiente mínimo de permeabilidade à água. Diante disso, este trabalho tem como objetivo analisar o desempenho do solo compactado utilizado na camada de cobertura final de um aterro de resíduos sólidos, tendo como campo experimental o Aterro Sanitário de Campina Grande/PB. Para isso foi realizada a caracterização física do solo utilizado na camada, verificação de seus parâmetros quanto à viabilidade para uso em aterros sanitários, análise físico-química e mineralógica, obtenção da curva de retenção de água no solo e análise dos pontos experimentais da curva aos ajustes propostos na literatura. Foi verificado o comportamento do solo frente aos processos de umedecimento/secagem e expansão/contração, observação da relação entre a umidade ótima de compactação e o ponto de entrada generalizada de ar (GAE), além da verificação da variação da umidade do solo em um perfil experimental da camada de cobertura por meio de sensores capacitivos. Os resultados demonstraram que, o solo possui permeabilidade à água admissível para uso em aterros sanitários segundo as normas nacionais e internacionais. O ajuste da curva de Van Genuchten aos pontos experimentais da curva de retenção atendeu às condições de concordância a partir dos parâmetros estatísticos analisados. A umidade ótima de compactação do solo possui valor próximo ao GAE, onde se inicia a dessaturação do solo, no qual o ar começa a entrar nos maiores poros formados pela drenagem da água e perda de umidade. Deve-se realizar a compactação do solo na energia proctor normal obedecendo à adição de água suficiente para atingir a umidade ótima, em um intervalo aceitável de ± 2%. Pode-se concluir que, o tipo de camada de cobertura final (solo argiloso compactado) utilizado é inadequado para a região do aterro devido às características climatológicas a que o solo está submetido e a ausência de proteção vegetal superficial. A aplicação da energia proctor normal para compactação do solo da camada de cobertura do aterro sanitário proporciona condições favoráveis à redução da permeabilidade à água do solo. A curva de retenção de água no solo da camada de cobertura do aterro sanitário apresenta comportamento unimodal e possui características de um solo argiloso. A utilização de sensores capacitivos se mostrou como uma técnica eficaz para aquisição automática da umidade do solo e verificação da sua variação ao longo do tempo, bem como, o monitoramento da sucção pela espessura da camada de cobertura final de solo compactado.
One of the forms of treatment of Municipal Solid Waste (MSW) is the landfill, which has the advantages of ease of operation, lower cost when compared to other techniques (sorting, biological treatment, incineration, among others) and the existence of a continuous monitoring plan. The landfill uses a final cover layer of compacted soil to isolate residues from the external environment, minimize the entry of water into the landfill, reduce the emission of gases into the atmosphere, prevent the proliferation of rodent and vectors of disease, among others. The Brazilian Regulations do not regulate the type of soil to be used, nor techniques for implementing layers of landfills, nor the form of monitoring, having as sole requirement the attendance of a minimum coefficient of water permeability. The objective of this work is to analyze the performance of the compacted soil used in the final cover layer of a landfill, with the Landfill Campina Grande/PB as an experimental field. The physical characterization of the soil used in the layer, verification of its parameters regarding the feasibility for use in landfills, physical-chemical and mineralogical analysis, obtaining the water retention curve in the soil and analysis of the experimental points of the curve were performed adjustments proposed in the literature. The behavior of the soil was verified in relation to the wetting/drying and swell/contraction processes, observation of the relation between the optimum compaction humidity and the Generalized Air Entry (GAE), besides the verification of soil moisture variation in one experimental profile of the cover layer by means of capacitive sensors. The results showed that the soil has permeability to water admissible for use in landfills according to national and international standards. The adjustment of the Van Genuchten curve to the experimental points of the retention curve met the conditions of agreement from the statistical parameters analyzed. The optimum soil compaction humidity has a value close to GAE, where soil desaturation begins, in which the air begins to enter the larger pores formed by water drainage and moisture loss. Soil compaction must be carried out in normal proctor energy by adding sufficient water to achieve optimum moisture, within an acceptable range of ± 2%. It can be concluded that the type of final cover layer (compacted clay soil) used is unsuitable for the landfill region due to the climatological characteristics to which the soil is subjected and the absence of surface vegetation protection. The application of normal proctor energy to soil compaction of the landfill cover layer provides favorable conditions for the reduction of soil water permeability. The water retention curve in the soil of the final cover layer of the landfill presents unimodal behavior and has characteristics of a clay soil. The use of capacitive sensors proved to be an effective technique for automatic acquisition of soil moisture and verification of its variation over time, as well as the monitoring of suction by the thickness of the final cover layer of compacted soil.
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Albright, William Henry. « Field water balance of landfill final covers / ». abstract and full text PDF (free order & ; download UNR users only), 2005. http://0-wwwlib.umi.com.innopac.library.unr.edu/dissertations/fullcit/3209130.

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Thesis (Ph. D.)--University of Nevada, Reno, 2005.
"August, 2005." Includes bibliographical references. Online version available on the World Wide Web. Library also has microfilm. Ann Arbor, Mich. : ProQuest Information and Learning Company, [2005]. 1 microfilm reel ; 35 mm.
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Silva, Eduardo Gaiotto Marques da. « Estudo Experimental de Gases em Camadas de Cobertura no Aterro de Nova Iguaçu - RJ ». Universidade do Estado do Rio de Janeiro, 2011. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=8183.

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Esta pesquisa apresenta uma revisão bibliográfica sobre as emissões de metano em aterros sanitários, os conceitos de geração de gases em aterros sanitários, movimentações de gases em aterro, apresenta os métodos de medição de gases in situ, tipos de cobertura finais para aterros e a oxidação do metano na camada de cobertura. A pesquisa também tem como objetivo medir as emissões de gases e avaliar a infiltração das águas pluviais através da camada de cobertura do aterro sanitário da CTR Nova Iguaçu. As medições foram realizadas nos meses de julho a novembro de 2010, na camada de cobertura monolítica existente e em outra construída sobre uma barreira capilar. Sensores para medir temperatura e umidade foram instalados em profundidade nas duas camadas. Foram realizados ensaios de placa de fluxo para medir a composição dos gases e o fluxo através dos dois tipos de camadas, e avaliadas duas situações: com os poços de extração de gás ativos e desligados. Os sensores indicaram que em período de baixa pluviosidade, a barreira capilar apresenta uma eficácia superior à camada monolítica, e com a intensificação das chuvas, as umidades medidas nos dois tipos de camadas aumentam, e na barreira capilar o gradiente estabelecido entre os sensores diminui, indicando uma possível tendência à saturação desta barreira capilar. Porém, com a paralisação das chuvas, recupera e retoma sua condição inicial. Os resultados de medidas dos gases demostraram a eficiência do sistema de extração de gás quando ativado, resultando em emissões quase nulas de metano e gás carbônico nos dois tipos de camadas. No entanto, quando o sistema está desativado, as emissões através da camada monolítica são cerca de 3 vezes maiores do que através da barreira capilar.
This research presents a literature review on methane emissions from landfills, the concepts of landfill gas generation, the landfill internal gas flow, introduces the methods of measurement of gases "in situ", types of final landfill coverage and the methane oxidation in the cover layer. The research also purposes to measure greenhouse gas emissions and to evaluate the infiltration of rainwater through the landfill cover layer of the CTR Nova Iguaçu. Measurements were made in the months from July to November 2010, the existing monolithic cover layer and another built on a capillary barrier. Sensors to measure temperature and humidity were installed in two layers in depth. Plate assays were performed to measure the flow of the gas composition and flow through the two types of layers, and evaluated two situations with the gas extraction wells active and off. The sensors have indicated that in times of low rainfall, the capillary barrier has superior efficacy to the monolithic layer, and with the intensification of rain, the moisture content measured on two types of layers increase, the capillary barrier and the gradient established between sensors decreases, indicating a possible trend to saturation of capillary barrier. However, with the stoppage of rain, recovers and returns to its initial condition. The results of measurements of gases demonstrated the efficiency of extraction of gas when activated, resulting in near zero emissions of methane and carbon dioxide in the two types of layers. However, when the system is off, the emissions through the monolithic layer is about three times larger than through the capillary barrier.
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Santos, Roberto Sousa. « A reestrutura??o s?cio-religiosa em Sergipe, no final do s?culo XVIII ». Universidade Federal do Rio Grande do Norte, 2010. http://repositorio.ufrn.br:8080/jspui/handle/123456789/13614.

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The issues surrounding the religious have been given greater importance in scientific discussions and the media. Discussions on religion and religiosity have become widespread as a means for construction of social representations, both as individual levels, in addition, in the collectivity. This work deals with the construction of the order of Jesus, missionaries and settlers of the projects that marked the presence of the Jesuit missionaries, from colonization to the religious restructuring imposed after the expulsion of the Jesuit Order in Sergipe. Expulsion is what happened in the midst of political and administrative changes made by the Portuguese government in the mid-eighteenth century, which had representation at the Marquis of Pombal its creator. Understanding the religious and social restructuring, designed here in the practices and representations of popular and official. This restructuring has had on the religious brotherhoods, religious orders and other representations, an important symbolic presence in the spaces sociorreligiosos linked to Catholic practices in Sergipe. Representation such that officially came into the vicars pasted their legal representatives, in the maintenance of religious practices in the boroughs and cities Sergipe
Os assuntos que envolvem a religiosidade t?m recebido maior import?ncia nas discuss?es cient?ficas e nos meios de comunica??o social. Os debates sobre religi?o e religiosidade t?m se difundido como meio para constru??o das representa??es sociais, tanto em n?veis individuais como, al?m disso, na coletividade. Este trabalho trata da constru??o da ordem de Jesus, dos projetos mission?rios e colonizadores que marcaram a presen?a dos mission?rios jesu?tas, desde a coloniza??o at? a reestrutura??o religiosa imposta ap?s a expuls?o da ordem jesu?tica em Sergipe. Expuls?o esta que aconteceu em meio a mudan?as pol?ticoadministrativas tomadas pelo governo portugu?s em meados do s?culo XVIII, que tinham na representa??o do Marqu?s de Pombal seu idealizador. Compreender a reestrutura??o religiosa e social, aqui concebida nas pr?ticas e nas representa??es populares e oficiais. Essa reestrutura??o da religiosidade teve nas confrarias, irmandades, ordens terceiras e demais representa??es, importante presen?a simb?lica nos espa?os sociorreligiosos ligados ?s pr?ticas cat?licas em Sergipe. Representa??o essa que oficialmente passou a ter nos vig?rios colados seus representantes legais, na manuten??o das pr?ticas religiosas nas freguesias e cidades sergipanas
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Livres sur le sujet "Final cover"

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United States. Department of Energy. Office of Science and Technology. Alternative landfill cover : Subsurface contaminants focus area and characterization, monitoring, and sensor technology crosscutting program. Washington, D.C.] : U.S. Dept. of Energy, Office of Environmental Management, Office of Science and Technology, 2000.

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Fuleihan, Nadim F. Hydrologic evaluation of final cover system alternatives for closure of phosphogypsum stacks. Bartow, Fla : Florida Institute of Phosphate Research, 2005.

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Manivong, Kamphay. Forest cover and land use in Lao P.D.R. : Final report on the nationwide reconnaissance survey. [Vientiane] : National Office of Forest Inventory and Planning, Department of Forestry, Ministry of Agriculture and Forestry, 1992.

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1949-, Daniel David E., dir. Final covers for solid waste landfills and abandoned dumps. New York : ASCE Press, 1997.

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1949-, Daniel David E., dir. Final covers for solid waste landfills and abandoned dumps. Reston, Va : ACSE Press, 1997.

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Smith, William L. The analysis of polar clouds from AVHRR satellite data using pattern recognition techniques : Final report. Madison, Wis : Space Science and Engineering Center, University of Wisconsin-Madison, 1990.

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Vanapalli, Sai. Review of soil cover technologies for acid mine drainage : A peer review of the Waite Amulet and Health Steele soil covers : final report. Ottawa, ON : CANMET, 1997.

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Poellot, Michael R. Preliminary analysis of University of North Dakota aircraft data from the FIRE cirrus ITO-II : Final report. [Washington, DC : National Aeronautics and Space Administration, 1995.

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Hauser, Victor L. Evapotranspiration covers for landfills and waste sites. Boca Raton, FL : CRC Press, 2009.

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Evapotranspiration covers for landfills and waste sites. Boca Raton : Taylor & Francis, 2009.

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Chapitres de livres sur le sujet "Final cover"

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Hannay, Jo Erskine. « Final Remarks ». Dans Benefit/Cost-Driven Software Development, 101–3. Cham : Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-74218-8_8.

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AbstractBenefit points complement the concept of points-based estimation.We showed how to use points estimates for both benefit and cost in various project and portfolio management activities. One can also adapt a range of other models that we did not cover (see e.g. [3, 1, 2]) to points-based estimates. Points-based estimates give rise to project management templates into which you can instantiate various monetary values, for example, various scenarios according to uncertainty assessments.
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Ellerbroek, David A., David R. Jones, Lloyd R. Townley et John C. Eames. « Hydrology and Geochemistry of Coal Spoil and Final Voids ». Dans Subsurface Hydrological Responses to Land Cover and Land Use Changes, 87–104. Boston, MA : Springer US, 1997. http://dx.doi.org/10.1007/978-1-4615-6141-5_7.

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Jia, Guan-Wei, Tony L. T. Zhan, Yun-Min Chen et D. G. Fredlund. « Influence Of Rainfall Pattern On The Infiltration Into Landfill Earthen Final Cover ». Dans Advances in Environmental Geotechnics, 641–45. Berlin, Heidelberg : Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-04460-1_70.

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Halder, Abhipriya, Saptarshi Nandi, Kaushik Bandyopadhyay et Krishna R. Reddy. « Final Cover Construction and Slope Stability Assessment of Waste Dump - A Case Study ». Dans Lecture Notes in Civil Engineering, 78–86. Cham : Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-02707-0_11.

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Jeannet, Jean-Pierre, Thierry Volery, Heiko Bergmann et Cornelia Amstutz. « Supply Chain Choices ». Dans Masterpieces of Swiss Entrepreneurship, 183–91. Cham : Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-65287-6_18.

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AbstractTo what extent did SMEs consider active involvement in production as a necessary element of their strategy and how they approached value chain integration to enhance their efficiency are the focus of this chapter. Driven by the necessity of economics and efficiency, SMEs have taken different directions on the integration of their supply chains, ranging from purchasing of components to the final assembly of products. There are a number of integrators who cover the entire supply chain with their firms, sometime even acquiring key suppliers. Many more of the companies are partial integrators, and a few can be characterized as assemblers only. Two examples of firms exist who are specifiers/designers, and operate without their own manufacturing operation, having adopted the fabless state.
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Marmolejo-Rebellón, Luis Fernando, Edgar Ricardo Oviedo-Ocaña et Patricia Torres-Lozada. « Organic Waste Composting at Versalles : An Alternative That Contributes to the Economic, Social and Environmental Well-Being of Stakeholders ». Dans Organic Waste Composting through Nexus Thinking, 147–64. Cham : Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36283-6_7.

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AbstractComposting is one of the most widely used technologies for the recovery and use of organic waste from municipal solid waste (MSW); however, its implementation in some developing countries has mostly been ineffective. This chapter documents the experience of the composting of municipal organic waste in the urban area of ​the municipality of Versalles, Valle del Cauca, Colombia. Within the locality, composting of organic waste occurs at an MSW management plant (SWMP), after being separated at the source and selectively collected. The information presented was generated through collaborative research projects, conducted with the cooperation of Camino Verde APC (a community-based organisation providing sanitation services) and Universidad del Valle (Cali, Colombia). The evaluations undertaken show that (i) within the locality, high rates of separation, at the source, in conjunction with selective collection and efficient waste sorting and classification processes in the SWMP, have significantly facilitated the composting process; (ii) the incorporation of locally available amendment or bulking materials (e.g. star grass and cane bagasse) improves the physicochemical quality of the processed organic waste and favours development (i.e. a reduction in process time), leading to an improvement in product quality; (iii) the operation, maintenance and monitoring of the composting process can be carried out by previously trained local human talent; and (iv) revenues from the sale of the final product (compost) are not sufficient to cover the operating costs of the composting process. Despite this current lack of financial viability, the application of technology entails environmental benefits (e.g. a reduction in the generation of greenhouse gases) and social benefits (e.g. employment opportunities), which, given the conditions in the municipality studied, highlight the relevance of this technological option.
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Huda, Ahmed Samei. « Final conclusions ». Dans The Medical Model in Mental Health, 305–18. Oxford University Press, 2019. http://dx.doi.org/10.1093/med/9780198807254.003.0016.

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The medical model in mental health uses diagnostic constructs with attached useful information (e.g. on prognosis or response to treatments) that often identifies areas of spectrums rather than diseases or syndromes. Diagnostic constructs in psychiatry and general medicine overlap for attributes such as clinical utility (e.g. predicting likely outcomes), validity (e.g. whether boundaries exist between different diagnostic constructs), and importance of social factors. There is an overlap in effectiveness between psychiatric and general medicine treatments, and many general medicine medications do not reverse disease processes. Describing the nature of diagnostic constructs can be done by describing the basis of classification and nature of the classified condition. Different mental health classifications have particular strengths and weaknesses for clinical, research, and social functions. Research in mental health may need classifications other than diagnosis to improve understanding of causes and mechanisms and also to develop better diagnostic constructs. As doctors in all specialties will encounter mental health problems there will always be psychiatric diagnostic constructs compatible with their training. The medical model of mental health allows doctors to assess and offer effective treatments to large numbers of patients and provide emergency cover. Mental health research and service provision will always need to address psychosocial issues.
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Zhan, Tony, G. Jia, Y. Chen et D. Fredlund. « Numerical study on rainfall infiltration into landfill earthen final cover ». Dans Unsaturated Soils, 1437–41. CRC Press, 2010. http://dx.doi.org/10.1201/b10526-227.

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« Water infiltration in final cover layer of landfills in northeast region of Brazil ». Dans Advances in Unsaturated Soils, 261–66. CRC Press, 2013. http://dx.doi.org/10.1201/b14393-33.

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Freeman, Lindsey A. « Afterword ». Dans Bohemian South. University of North Carolina Press, 2017. http://dx.doi.org/10.5149/northcarolina/9781469631677.003.0018.

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The final essay in The Bohemian South draws together the unity of the chapters while focusing on a central aspect of the bohemian South: its diversity. The author also addresses relevant, worthy themes and areas that the collection was unable to cover.
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Actes de conférences sur le sujet "Final cover"

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« Final program with cover ». Dans 2014 IEEE 41st International Conference on Plasma Sciences (ICOPS) and 2014 IEEE International Conference on High-Power Particle Beams (BEAMS). IEEE, 2014. http://dx.doi.org/10.1109/plasma.2014.7012144.

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« Final program book CD cover ». Dans 2012 7th International Conference on Computer Science & Education (ICCSE 2012). IEEE, 2012. http://dx.doi.org/10.1109/iccse.2012.6295303.

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« Back Cover ». Dans IEEE International Integrated Reliability Workshop Final Report, 2004. IEEE, 2004. http://dx.doi.org/10.1109/irws.2004.1422790.

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Foye, Kevin, et Te-Yang Soong. « Geomembrane Cracking and Final Cover Performance ». Dans Geotechnical Frontiers 2017. Reston, VA : American Society of Civil Engineers, 2017. http://dx.doi.org/10.1061/9780784480434.010.

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Benson, Craig H., et Tayfun Gurdal. « Hydrologic Properties of Final Cover Soils ». Dans Geo-Congress 2013. Reston, VA : American Society of Civil Engineers, 2013. http://dx.doi.org/10.1061/9780784412763.023.

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Hoepfner, Uwe. « Final Covering of the Ronneburg Uranium Mining Site ». Dans The 11th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2007. http://dx.doi.org/10.1115/icem2007-7190.

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The rehabilitation of WISMUT’s former Ronneburg uranium mining site involves backfilling of waste rock to the Lichtenberg open pit. The relocation project comprises about 110 million m3 of sulphide-bearing and AMD-generating waste rock which makes it the most important and most cost-intensive single surface restoration project conducted by WISMUT at the Ronneburg site. The backfilled waste rock has to be covered on an area of about 220 ha to control water infiltration and gas diffusion. Design planning for the final cover placement which began in 2004 had to be based on a comprehensive cost-benefit analysis as well on field tests of alternative cover options which are in compliance with legal requirements. An intensive testing program concerning the vadose zone of soil covers has therefore been started in 2000. The paper presents an overview of the monitoring program and the results of the vadose zone measurements. The water of soil covers have to be predicted for extended evaluation periods. Therefore water balance simulations of single layer covers (storage and evaporation concept) taking current and future soil and climate conditions into account are performed with the HYDRUS_2D code.
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« 2004 IEEE International Integrated Reliability Workshop Final Report - Cover ». Dans IEEE International Integrated Reliability Workshop Final Report, 2004. IEEE, 2004. http://dx.doi.org/10.1109/irws.2004.1422717.

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Zheng, Junxing, Partha Sarkar, Mohammad Jafari, Fangwei Hou, Zhaochao Li, Quan Sun et Ming Zhu. « Wind Tunnel Study of ClosureTurf Landfill Final Cover System ». Dans Geo-Congress 2020. Reston, VA : American Society of Civil Engineers, 2020. http://dx.doi.org/10.1061/9780784482797.063.

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Kaushik, Tryambak, Milind V. Khire, Terry Johnson et Michael Caldwell. « Surface Runoff at an Instrumented Catchment Scale Water Balance Final Cover ». Dans Geo-Congress 2014. Reston, VA : American Society of Civil Engineers, 2014. http://dx.doi.org/10.1061/9780784413272.401.

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Stockdill, D., R. R. Jorgenson et J. E. Obermeyer. « Case History and Regulatory Aspects of a Final Cover Performance Evaluation Involving Conventional and Evapotranspirative Cover Designs ». Dans Fourth International Conference on Unsaturated Soils. Reston, VA : American Society of Civil Engineers, 2006. http://dx.doi.org/10.1061/40802(189)62.

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Rapports d'organisations sur le sujet "Final cover"

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Cook, J. R., et S. K. Salvo. Final vegetative cover for closed waste sites. Office of Scientific and Technical Information (OSTI), janvier 1993. http://dx.doi.org/10.2172/6645065.

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Cook, J. R., et S. K. Salvo. Final vegetative cover for closed waste sites. Revision 1. Office of Scientific and Technical Information (OSTI), janvier 1993. http://dx.doi.org/10.2172/10142023.

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Johnson, K. D. Final closure cover for a Hanford radioactive mixed waste disposal facility. Office of Scientific and Technical Information (OSTI), février 1996. http://dx.doi.org/10.2172/492104.

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Hurtt, George. Quantification of Land-Use/Land Cover Change as Driver of Earth System Dynamics. Final Technical Report. Office of Scientific and Technical Information (OSTI), mai 2019. http://dx.doi.org/10.2172/1523270.

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Peace, Gerald L., Timothy James Goering, Michael David McVey et David James Borns. Deployment of an alternative cover and final closure of the Mixed Waste Landfill, Sandia National Laboratories, Albuquerque, New Mexico. Office of Scientific and Technical Information (OSTI), juin 2003. http://dx.doi.org/10.2172/913511.

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Vernetson, W. G. Final report on Government Support to Cover Analyses of University of Florida Training Reactor Conversion from HEU to LEU Fuel. Office of Scientific and Technical Information (OSTI), juin 2000. http://dx.doi.org/10.2172/760876.

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DeBarger, Angela, et Geneva Haertel. Evaluation of Journey to El Yunque : Final Report. The Learning Partnership, décembre 2006. http://dx.doi.org/10.51420/report.2006.1.

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This report describes the design, implementation and outcomes of the initial version of the NSF-funded Journey to El Yunque curriculum, released in 2005. As formative evaluators, the role of SRI International was to document the development of the curriculum and to collect empirical evidence on the impact of the intervention on student achievement. The evaluation answers four research questions: How well does the Journey to El Yunque curriculum and accompanying assessments align with the National Science Education Standards for content and inquiry? How do teachers rate the effectiveness of the professional development workshop in teaching them to use the Journey to El Yunque curriculum and assessment materials? How do teachers implement the Journey to El Yunque curriculum? To what extent does the Journey to El Yunque curriculum increase students’ understanding ofecology and scientific inquiry abilities? The evaluators concluded that Journey to El Yunque is a well-designed curriculum and assessment replacement unit that addresses important science content and inquiry skills. The curriculum and assessments are aligned to life science content standards and key ecological concepts, and materials cover a broad range of these standards and concepts. Journey to El Yunque students scored significantly higher on the posttest than students learning ecology from traditional means with effect size 0.20.
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Spletzer, Barry Louis, Diane Schafer Callow, Jonathan Robert Salton et Gary John Fischer. Covert air vehicle 2003 LDRD final report. Office of Scientific and Technical Information (OSTI), novembre 2003. http://dx.doi.org/10.2172/918340.

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Orr, Kyla, Ali McKnight, Kathryn Logan et Hannah Ladd-Jones. Scottish Inshore Fisheries Integrated Data System (SIFIDS) : work package 7 final report engagement with inshore fisheries to promote and inform. Sous la direction de Mark James. Marine Alliance for Science and Technology for Scotland (MASTS), 2020. http://dx.doi.org/10.15664/10023.23453.

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[Extract from Executive Summary] This report documents Work Package 7 of the Scottish Inshore Fisheries Integrated Data Systems (SIFIDS) Project, which was designed to facilitate engagement with the key stakeholders including; inshore fishers, their representative bodies, Regional Inshore Fisheries Groups, Marine Scotland including Policy, Compliance and Science. The SIFIDS Project focused on 12 metre and under inshore fisheries vessels, of which around 1,500 are registered in Scotland including those that work part-time or seasonally. The facilitation team was set various targets for engagement based on the requirements of other work packages. The success of the overall project was dependent to a significant extent on securing voluntary engagement and input from working fishers. Previous experience has shown that having a dedicated project facilitation team is an extremely effective model for establishing the necessary trust to encourage industry-participation in projects such as this. The WP7 facilitation team comprised three individuals who have significant marine and fisheries related experience and wide-ranging skills in communications and stakeholder engagement. They worked together flexibly on a part-time basis, ensuring staffing cover over extended hours where required to match fishers’ availability and geographical coverage over Scotland.
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DEPARTMENT OF THE AIR FORCE WASHINGTON DC. Final Environmental Assessment. Sale of Cove Gardens Military Family Housing. Fort Belvoir, VA : Defense Technical Information Center, juin 2001. http://dx.doi.org/10.21236/ada460735.

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