Relevant bibliographies by topics / Composition granulometric. eng

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Composition granulometric. eng'

Author: Grafiati
Published: 4 June 2021
Last updated: 17 February 2022

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Journal articles on the topic "Composition granulometric. eng"

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Sánchez-Moyano, J. Emilio, and Isabel García-Asencio. "Crustacean assemblages along the Guadiana River estuary (south-western Iberian Peninsula)." Journal of the Marine Biological Association of the United Kingdom 91, no. 1 (2010): 127–38. http://dx.doi.org/10.1017/s0025315410001074.

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The spatial distribution of the subtidal crustacean assemblages of the Guadiana River estuary was studied previous to the building of the Alqueva Dam (the biggest dam in Europe). The differences between an estuarine and marine environment seem to be the main reason responsible for the composition and distribution of the crustaceans along the study zone. The Guadiana estuary has shown high number of species in comparison with other nearby estuaries and this richness seems justified by the scarce influence of pollutants (most of them have shown low or moderate values) and their hydrodynamic and
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Gaigalas, Algirdas, Anna Pazdur, Adam Michczynski, et al. "Peculiarities of sedimentation conditions in the oxbow lakes of Dubysa River (Lithuania)." Geochronometria 40, no. 1 (2013): 22–32. http://dx.doi.org/10.2478/s13386-012-0025-1.

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AbstractAbundant wood remains and buried trees have been found in the western part of Lithuania near Zakeliškiai and Lyduvėnai on Dubysa River (a tributary of Nemunas River) where deposits are rich in organic remnants and buried soils. In Zakeliškiai and Skiručiai sections of Dubysa River oxbow sediments were investigated by various methods (dendrochronological, carbonate, granulometric, pollen and mollusc fauna analysis). In addition, these sections were dated using the radiocarbon method. Samples were collected from deposits of Dubysa River outcrops. The studied oxbow lakes have existed for
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Solihuddin, Tubagus, and Gunardi Kusumah. "Sedimentary Environments of the Inshore Pemangkat Region Sambas, West Kalimantan (Lingkungan Sedimen di Perairan Pemangkat, Sambas, Kalimantan Barat)." ILMU KELAUTAN: Indonesian Journal of Marine Sciences 19, no. 1 (2014): 19. http://dx.doi.org/10.14710/ik.ijms.19.1.19-26.

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Peningkatan produk-produk perikanan melalui industrialisasi dengan menekankan pada pengembangan perikanan budidaya laut yang membutuhkan data pendukung lingkungan laut termasuk sediment dasar laut. Penelitian lingkungan sedimen di Perairan Pemangkat bertujuan untuk mendapatkan informasi mengenai komposisi sedimen permukaan dasar laut, konsentrasi mineral logam dan total padatan tersuspensi. Beberapa sampel sedimen permukaan telah diambil pada transek yang telah ditentukan di sekitar Pantai Pemangkat dan telah dilakukan analisis mengikuti prosedur analisis granulometri, sedangkan metode AAS dit
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Očkajová, Alena, Ján Stebila, Marek Rybakowski, Tomasz Rogozinski, L'uboš Krišták, and Jana L'uptáková. "The Granularity of Dust Particles when Sanding Wood and Wood-Based Materials." Advanced Materials Research 1001 (August 2014): 432–37. http://dx.doi.org/10.4028/www.scientific.net/amr.1001.432.

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The article presents results of the granulometric composition of chip particles when sanding wood (beech) and wood-based materials (particleboard and semi-hardboard) using different types of sanders – wide belt sander, narrow belt sander, and hand sander. On the basis of the carried out sieve analyses, the proportion of produced particles, which can be marked as dust with the particle size of ≤ 80 μm, is high at the interval from 89.21% - 96.29 %. The highest percentage of dust particles was reached at dust from the hand disk sander. At the end of the article we point to possible technical saf
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Woronko, Barbara, and Katarzyna Pochocka-Szwarc. "Depositional environment of a fan delta in a Vistulian proglacial lake (Skaliska Basin, north-eastern Poland)." Acta Palaeobotanica 53, no. 1 (2013): 9–21. http://dx.doi.org/10.2478/acpa-2013-0002.

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ABSTRACT The study reconstructed the environment of a fan delta filling the vast end depression of the Skaliska Basin, and its overlying aeolian deposits. The formation of the large fan delta is associated with the presence of an ice-dammed lake functioning during the retreat of the Vistulian Glaciation (MIS 2). The examined material was collected from five boreholes. Sediments were analysed for their granulometric composition and subjected to analyses of frosting and rounding of quartz grains. Grain size analysis showed that the fan delta deposits are built of sand sediments of very low later
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Pountouenchi, A., D. Njoya, A. Njoya, et al. "Characterization of clays from the Foumban region (west Cameroon) and evaluation for refractory brick manufacture." Clay Minerals 53, no. 3 (2018): 447–57. http://dx.doi.org/10.1180/clm.2018.32.

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ABSTRACTThree clayey materials named MY3, KK and KG originating from the Foumban region (west Cameroon) were analysed to determine their granulometry, plasticity, major-element chemistry and mineralogy. Dilatometric and ceramic behaviour were also investigated. Clays were shaped by uniaxial pressing in a steel mould. Shaped samples were heated at 1300, 1400 and 1500°C. The end products were characterized in terms of their density, porosity and compressive strength. Raw materials differ in terms of their mineralogical composition, grain-size distribution, Al2O3 content and the nature and abunda
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Defew, E. C., T. J. Tolhurst, and D. M. Paterson. "Site-specific features influence sediment stability of intertidal flats." Hydrology and Earth System Sciences 6, no. 6 (2002): 971–82. http://dx.doi.org/10.5194/hess-6-971-2002.

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Abstract. The factors that influence the sediment stability and the transport of estuarine mudflats are not yet fully understood but knowledge of them is essential in coastal engineering applications and pollution ecology studies. The suggestion that variation in predictive models of sediment stability might be due to site-specific characteristics is investigated using data from four estuarine mudflats (Eden Estuary, Scotland, the Biezelingsche Ham, Zandkreek, and Molenplaat mudflats in The Netherlands). These estuaries differ in their environmental conditions, macrofaunal species composition
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Pappa, F. K., C. Tsabaris, H. Kaberi, et al. "Radiotoxic metals concentration measurement in sediments due to gold mining activities, Chalkidiki." HNPS Proceedings 22 (March 8, 2019): 102. http://dx.doi.org/10.12681/hnps.1939.

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The mining operation and tailing deposits in Stratoni region, Northern part of Greece, make monitoring activities necessary both in the terrestrial and coastal areas. As a part of a preliminary monitoring action, in summer of 2012, surface sediment samples in the coastal area of Stratoni (in Ierissos Gulf) were collected and measured aiming a) to obtain concentration levels of (Natural Occurring Radioactive Materials) NORM and heavy metals (e.g. As, Zn, Cu, Pb and Mn,), b) to identify minerals composition and c) to determine the distribution of the grain size. The activity concentrations of 23
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Santos, Paulo Ricardo Alves dos Reis, Diovana da Silva Santos, Max Silva de Almada, et al. "Analysis of the mechanical properties of the concrete with partial substitution of the kind’s aggregate glass powder." International Journal for Innovation Education and Research 9, no. 6 (2021): 406–25. http://dx.doi.org/10.31686/ijier.vol9.iss6.3204.

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In this study, the influence of partial introduction as glass as fine aggregate on the composition of simple concrete is analyzed, considering that sand (fine aggregate currently used) has been used on a large scale in civil construction over the years and has been affecting the environment. The main objective of this research was to analyze the mechanical properties of concrete, partially replacing the natural sand with another fine aggregate made from glass residues, evaluating the behavior presented at the end of each test using different percentages of this material as fine aggregate in th
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Kolda, Anamarija, Zrinka Ljubešić, Ana Gavrilović, Jurica Jug-Dujaković, Kristina Pikelj, and Damir Kapetanović. "Metabarcoding Cyanobacteria in coastal waters and sediment in central and southern Adriatic Sea." Acta botanica Croatica 79, no. 2 (2020): 157–69. http://dx.doi.org/10.37427/botcro-2020-021.

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Seasonal sampling of the seawater column and sediment in Adriatic coastal areas affected by various anthropogenic activities, primarily aquaculture, was conducted during 2017. In total, 32 samples from two sites (central and southern Adriatic) were analysed by 16S rRNA amplicon sequencing. This approach was selected to test the possibilities of using metabarcoding in studying marine cyanobacteria, exploring their ecology and potential as an indicator group in anthropologically stressed coastal environments. Additionally, physicochemical water column parameters, sediment granulometry and compos
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Dissertations / Theses on the topic "Composition granulometric. eng"

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Mello, Gláucia de. "Variabilidade espacial de atributos do solo em áreas intensamente cultivadas nas regiões de Jaboticabal e Monte Alto - SP /." Jaboticabal : [s.n.], 2002. http://hdl.handle.net/11449/88325.

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Orientadora: Célia Regina Paes Bueno<br>Banca: Gener Tadeu Pereira<br>Banca: Célia Regina Lopes Zimback<br>Resumo: Com o objetivo de avaliar a variabilidade espacial das propriedades físicas e químicas, do potencial natural de erosão (PNE), das perdas de solo (A) e do risco de erosão (RE) em duas regiões distintas, através de análises geoestatísticas, e visando fornecer subsídios para descrição de padrões de ocorrência de fertilidade e de erosão em duas áreas intensamente cultivadas, avaliou-se a dependência espacial das seguintes variáveis químicas: P, MO, K, Ca, Mg, pH, CTC e V%; físicas: ar
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Book chapters on the topic "Composition granulometric. eng"

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"Benthic Habitats and the Effects of Fishing." In Benthic Habitats and the Effects of Fishing, edited by R. A. Coggan, C. J. Smith, R. J. A. Atkinson, et al. American Fisheries Society, 2005. http://dx.doi.org/10.47886/9781888569605.ch22.

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Traditional methods for assessing the impact of towed demersal fishing gear are notoriously slow, taking years to report and imposing undesirable delays in the provision of scientific advice on which fisheries and environmental managers can act. There is a need to develop rapid methods for assessing trawl impacts. We evaluate and compare a suite of rapid methodologies covering a range of readily accessible technologies including: (1) Acoustic methods: sidescan sonar and bottom discriminating sonar (RoxAnn); (2) Visual methods: towed video sledge and ROV; (3) Faunal sampling (epibenthic megafauna): tissue damage, community analysis, population density, functional group composition; and (4) Sedimentology: granulometry, geotechnical properties and sediment profile imagery. These methods were applied to otter trawl fisheries in the Clyde Sea, Scotland and the Aegean Sea, Mediterranean, at sites representing a range of trawl impacts. Novel methods of analysis were developed for quantitative interpretation of sidescan and video records. The scientific effectiveness, cost effectiveness and operational constraints of the various methodologies are reviewed. We recommend suitable approaches to the rapid assessment of trawl impacts taking into consideration the variety of resources (such as time, equipment and budget) which may be available. Assessments should employ complementary methods that operate on different scales of resolution (eg. sidescan sonar with either faunal sampling or ROV). Site-specific factors, such as topography and substratum type, will influence choice of methods and survey design. These rapid methodologies can provide results in a matter of days or weeks rather than the months or years associated with traditional assessment methods.
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Conference papers on the topic "Composition granulometric. eng"

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Moceiki, Rimvydas, Asta Kičaitė, and Gintautas Skripkiūnas. "Effect of aggregate particle shape and granulometry on the workability and mechanical properties of glass reinforced concrete." In The 13th international scientific conference “Modern Building Materials, Structures and Techniques”. Vilnius Gediminas Technical University, 2019. http://dx.doi.org/10.3846/mbmst.2019.002.

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Modern alkali resistant glass fibers (ARG) modified with 17% ZrO2 are getting more popular as reinforcement of cementitious matrixes. Typical matrix compositions with quartz, Portland cement, 13 mm length ARG glass fibres and PCE superplasticizer can offer good workability, product quality and highly increased mechanical characteristics. In production of self compacting fibre reinforced premix highly siliceous fine sands with nearly round shape particles are usually preferred. This article investigates influence of particle shape for workability of glass fibre reinforced concrete when alternat
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