Littérature scientifique sur le sujet « Quantitative provenance analysis »

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Articles de revues sur le sujet "Quantitative provenance analysis"

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Weltje, Gert Jan, and Hilmar von Eynatten. "Quantitative provenance analysis of sediments: review and outlook." Sedimentary Geology 171, no. 1-4 (2004): 1–11. http://dx.doi.org/10.1016/j.sedgeo.2004.05.007.

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Kinyua, A. M., T. Plummer, N. Shimizu, W. Melson, and R. Potts. "Provenance of Kanjera Fossils by X-Ray Fluorescence and Ion Microprobe Analyses." Advances in X-ray Analysis 35, B (1991): 1165–73. http://dx.doi.org/10.1154/s0376030800013458.

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AbstractXRF and Ion mfcroprobe analyses of fossils of known and uncertain provenance from the Lower-Middle Pleistocene locality of Kanjera. Kenya, are reported. The goal of this study was to develop a nondestructive technique of provenancixig fossils, which could be applied to the Kanjera sample. The fossils of known provenance were collected in the excavations of the 1987 Smithsonian Expedition. Three fossils of uncertain provenance, two specimens of Theropithecus oswaldi and a hominid fossil, were analyzed as test cases.Both qualitative and quantitative XRF analyses of Kanjera fossils were c
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Gajic-Kvascev, Maja, Velibor Andric, Radmila Jancic-Heinemann, Ognjen Mladenovic, and Aleksandar Bulatovic. "Comparison of Quantitative and Qualitative EDXRF Analysis for Provenance Study of Archaeological Ceramics." Materials 17, no. 15 (2024): 3725. http://dx.doi.org/10.3390/ma17153725.

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The most common scientific analysis of archaeological ceramics aims to determine the raw material source and/or production technology. Scientists and archaeologists widely use XRF-based techniques as a tool in a provenance study. After conducting XRF analysis, the results are often analyzed using multivariate analysis in addition to interpretation and conclusions. Various multivariate techniques have already been applied in archaeological ceramics provenance studies to reveal different raw material sources, identify imported pieces, or determine different production recipes. This study aims to
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Muhammad Javed, Asif, Dorairaj Deivaseeno, and Wickneswari Ratnam. "Characterization of natural provenances of Acacia mangium Willd. and Acacia auriculiformis A. Cunn. ex Benth. in Malaysia based on phenotypic traits." Journal of Forest Science 63, No. 12 (2017): 562–76. http://dx.doi.org/10.17221/82/2016-jfs.

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Acacia mangium Willdenow and Acacia auriculiformis A. Cunningham ex Bentham and their hybrid have become important planting species in Malaysia. Due to their high demand and consumption, development of high quality planting materials is desired. Conventional breeding of Acacia Miller is slow but the utilization of marker-assisted selection breeding can expedite the breeding process. Markers associated with quantitative trait loci (QTLs) required pedigreed populations whereas association mapping can be used directly on diverse germplasm. This study was conducted to screen provenances of A. mang
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VERHAEGEN, J., G. J. WELTJE, and D. MUNSTERMAN. "Workflow for analysis of compositional data in sedimentary petrology: provenance changes in sedimentary basins from spatio-temporal variation in heavy-mineral assemblages." Geological Magazine 156, no. 07 (2018): 1111–30. http://dx.doi.org/10.1017/s0016756818000584.

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AbstractThe field of provenance analysis has seen a revival in the last decade as quantitative data-acquisition techniques continue to develop. In the 20th century, many heavy-mineral data were collected. These data were mostly used as qualitative indications for stratigraphy and provenance, and not incorporated in a quantitative provenance methodology. Even today, such data are mostly only used in classic data tables or cumulative heavy-mineral plots as a qualitative indication of variation. The main obstacle to rigorous statistical analysis is the compositional nature of these data which mak
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Zachariáš, Jiří, Aneta Kuchařová, and Marek Kotrlý. "Provenance Analysis of Marbles by Combination of Cathodoluminescence Spectroscopy and Electron Microprobe Analyses—Methodological Comments." Minerals 13, no. 2 (2023): 244. http://dx.doi.org/10.3390/min13020244.

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Various marbles from historic quarries of the Czech Republic were examined by means of cathodoluminescence (CL) spectroscopy (quantitative data) to determine the possible inclusion of the method in marble provenance studies. The methodology used was based on a combination of electron microprobe analysis (Ca, Mg, Fe and Mn composition) and CL spectroscopy (intensity) of calcite and dolomite grains of the marbles studied. Several statistical techniques were applied to the CL-spectra to find the most effective way of characterization of the CL-spectra for provenance discrimination. The combinatio
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Chang, Bongsu, Tae Gun Jo, and Young Jae Lee. "Multi-method strategies for provenance determination of coarse-grained igneous rocks: Non-destructive, portable, and quantitative approaches." PLOS One 20, no. 6 (2025): e0324058. https://doi.org/10.1371/journal.pone.0324058.

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Determining the provenance of stones used in cultural heritage artifacts requires interdisciplinary research that integrates archaeology, geology, and analytical science. In this study, we determined the provenance of the source rock for a Bodhisattva stone sculpture from an abandoned temple site in Haman, South Korea. Non-destructive, portable, in-situ multi-analytical methods were used to quantitatively analyze coarse-grained igneous rocks, incorporating macroscopic observations, portable X-ray fluorescence (pXRF), and magnetic susceptibility measurements. Calibration with matrix-matched in-
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Wan, Zhibing, Ning Liu, Chenggong Liu, et al. "Comparison of Growth Strategies and Biomass Allocation in Chinese Fir Provenances from the Subtropical Region of China." Forests 16, no. 4 (2025): 687. https://doi.org/10.3390/f16040687.

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This study aims to evaluate the growth characteristics of six Chinese fir (Cunninghamia lanceolata (Lamb.) Hook.) provenances (S1–S6) from different climatic regions in subtropical China in order to select superior provenances with strong adaptability, fast growth, and reasonable biomass allocation. These results will provide references for genetic improvement and resource utilization of Chinese fir plantations. A total of 385 trees, aged 26 to 48 years, were selected from the Chinese fir gene bank in Anhui. Wood core sampling was used to obtain tree ring width and early/latewood width data. G
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Nguyen, Hiep Huu, Sang Nhu Pham, Hung The Khuong, Din Bui Dao, Bac Hoang Bui, and Huy Quoc Chu. "A review of sediment provenance methods applied to the fluvial sediments in the East Sea based on clay mineralogy and Sr-Nd isotope." Journal of Mining and Earth Sciences 63, no. 4 (2022): 45–60. http://dx.doi.org/10.46326/jmes.2022.63(4).05.

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Studying sediment provenance in the marine environment particularly plays an important role in interpretation of paleoclimate, lithology of the source regions as well as tectonism controlling weathering, erosion, transportation, and deposition processes (source-to-sink analysis). However, defining sediment sources and controlling elements require quantitative data and micro-analysis as they are influenced significantly by many factors such as lithology, tectonics, and climate condition in the source regions as well as sea-level changes, oceanic circulation, and their differential setting in th
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Fourreh, Abdirahman Elmi, Fatouma Mohamed Abdoul-Latif, and Chayma Mouti. "Qualitative and Quantitative Analysis of Selected Antibiotics Used in Djibouti Hospitals." Journal of Drug Delivery and Therapeutics 13, no. 12 (2023): 103–12. http://dx.doi.org/10.22270/jddt.v13i12.6318.

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The analysis of drugs is a priority in public health, particularly antibiotics which develop resistance due, among other things, to bad dosages or poor-quality of the active substance. In this study, we evaluated eight antibiotics available in health centers in Djibouti through qualitative and quantitative analysis. The tests were based on high-purity reference products. In qualitative analysis by HPLC, only amoxicillin presented two impurity peaks. This observation is found in the dosage of this active ingredient with a value of 83 ±0.6 mg instead of the 500 mg indicated on the label. It will
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Thèses sur le sujet "Quantitative provenance analysis"

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RESENTINI, ALBERTO. "Quantitative provenance analysis of modern sands: bulk petrography, heavy minerals apatite fission tracks." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2011. http://hdl.handle.net/10281/19000.

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Sediment petrography and heavy mineral analysis represent two key techniques to decipher the pieces of information stored in the sedimentary record, shedding light on source rocks compositon, weathering conditions and paleodrainages. Traditionally, even though orogenic detritus has always received large attention, orogenic provenance has been recognized as “composite”, thus preventing clear classification. Notwithstanding the composite nature of collision orogens, the detrital fingerprints of neometamorphic axial belts, largely experiencing strong exhumation and erosion, can be regarded as th
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Barron-Majerik, Elizabeth. "Quantitative analysis of active compounds found in Arnica montana and Arnica chamissonis in relation to varied provenance, environmental and agronomic factors." Thesis, University of the Highlands and Islands, 2011. https://pure.uhi.ac.uk/portal/en/studentthesis/quantitative-analysis-of-active-compounds-found-in-arnica-montana-and-arnica-chamissonis-in-relation-to-varied-provenance-environmental-and-agronomic-factors(1587f17d-7822-4c10-b687-5d1baaf09954).html.

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The northern hemisphere plant <i>Arnica montana</i> L. can be found across Europe on high alpine slopes with acidic soils. The flowers are well documented as a source of natural products, particularly, active compounds associated with anti-inflammatory properties. The high demand for this extract has meant that wild plant numbers have reduced dramatically and now in many countries, it is illegal to harvest <i>A. Montana </i>from the wild. As a result, flowers from the non-endangered <i>A. chamissonis</i> Less. Have been employed for the production of extracts with similar properties. <i>A. mon
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Tůmová, Helena. "Obchod s mramorem v pozdně antické Ravenně: archeologický materiál z komplexu San Severo." Doctoral thesis, 2013. http://www.nusl.cz/ntk/nusl-327195.

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This thesis aims to study the commercial mechanism of Ravenna in the Late Antiquity from the point of view of the amount, type and provenance of the imported stone artefacts (fragments of architectural decoration, revetments slabs, opus sectile, sarcophagi), based on the study of archaeological material from the site of the basilica and the monastery of San Severo in Classe (Ravenna). Ravenna represented an important administrative and cultural center in the 5th and 6th century, connecting western and eastern artistic influences and focusing herself on trade and production. Determination of th
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Livres sur le sujet "Quantitative provenance analysis"

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Alcorn, Rhona, Joanna Kopaczyk, Bettelou Los, and Benjamin Molineaux, eds. Historical Dialectology in the Digital Age. Edinburgh University Press, 2019. http://dx.doi.org/10.3366/edinburgh/9781474430531.001.0001.

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Drawing on the resources created by the Institute of Historical Dialectology at the University of Edinburgh (now the Angus McIntosh Centre for Historical Linguistics), such as eLALME (the electronic version A Linguistic Atlas of Late Medieval English), LAEME (A Linguistic Atlas of Early Middle English) and LAOS (A Linguistic Atlas of Older Scots), this volume illustrates how traditional methods of historical dialectology can benefit from new methods of corpus data-collection to test out theoretical and empirical claims. In showcasing the results that these digital text resources can yield, the
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Chapitres de livres sur le sujet "Quantitative provenance analysis"

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Vezzoli, G., M. Limonta, E. Garzanti, and S. Yang. "Quantitative Provenance Analysis of Sediments in the Changjiang (Yangtze) River (China)." In Geostatistical and Geospatial Approaches for the Characterization of Natural Resources in the Environment. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-18663-4_45.

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Piccinno, Luisa. "The Economic Structure of Maritime Trade Calling at the Port of Genoa Through the Analysis of General Average Data (Sixteenth–Seventeenth Centuries)." In General Average and Risk Management in Medieval and Early Modern Maritime Business. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-04118-1_11.

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AbstractThis essay will discuss the preliminary results emerging from data extrapolated from General Average (GA) procedures in Genoa, between the last decade of the sixteenth century and the 1640s. The wealth of data provided by GA procedures compensates for some of the gaps in quantitative data which have held back research on the local maritime economy. Methodologically, this essay further develops the insights of Giuseppe Felloni’s work on GA’s potential for economic analysis. The rich documentation produced during GA procedures, from the original report (testimoniale) to the final apporti
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Molinaroli, Emanuela, and Abhijit Basu. "Toward quantitative provenance analysis: A brief review and case study." In Processes Controlling the Composition of Clastic Sediments. Geological Society of America, 1993. http://dx.doi.org/10.1130/spe284-p323.

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Lowenstein, Jerold M., and Jeheskel Shoshani. "Proboscidean relationships based on immunological data." In The Proboscidea. Oxford University PressOxford, 1996. http://dx.doi.org/10.1093/oso/9780198546528.003.0007.

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Abstract Morphological reconstructions of proboscidean evolution are now being supplemented by the immunological analysis of fossil elephant proteins. Microcomplement fixation, immunodiffusion. and radioimmunoassay (RIA) methods have been applied to examine the genetic relationships of the extinct woolly mammoth (Mammuthus primigenius, hereafter. M. primigenius), the American mastodon (Mammut americanum). and the living elephants, African (Loxodonta africana) and Asian (Elephas maximus). Here we review the principal finding emanating from the new field of palaeo-immunology, particularly from t
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Chew, David M., and Raymond A. Donelick. "CHAPTER 12: COMBINED APATITE FISSION TRACK AND U–Pb DATING BY LA–ICP–MS AND ITS APPLICATION IN APATITE PROVENANCE ANALYSIS." In Quantitative Mineralogy and Microanalysis of Sediments and Sedimentary Rocks. Mineralogical Association of Canada, 2012. https://doi.org/10.3749/9780921294825.ch12.

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Carvalho, Ana, Maria João Gaspar, Alexandra Dias, José Luís Lousada, Maria Emília Silva, and José Lima-Brito. "Useful Molecular and Cytogenetic Approaches in Population Genetics Studies of Pine Species." In Genetics. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.112530.

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In the last decade, we characterised Portuguese populations of Pinus sylvestris L., Pinus nigra Arnold and Pinus pinaster Aiton by using different molecular and cytogenetic approaches. DNA markers helped assess intra- and inter-population genetic variability, extrapolation of phylogenies, provenances and/or infraspecific taxonomy. Quantitative real-time polymerase chain reaction (qRT-PCR), Classical Cytogenetics techniques and/or Comet assay were valuable to assign origins, infraspecific taxa or populations more tolerant to water stress. Seed germination tests coupled with the cytogenetic anal
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Aykaç, Aslıhan. "L’économie solidaire entre un mouvement par le bas et sa reconnaissance internationale." In L’économie solidaire entre un mouvement par le bas et sa reconnaissance internationale. Éditions Sociographe, 2024. https://doi.org/10.3917/agraph.gaja.2024.01.0035.

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L’intérêt social pour l’économie sociale et solidaire (ESS) s’est intensifié au cours des dernières décennies, tant en termes qualitatif que quantitatif. Les communautés expérimentent différentes formes et échelles de solidarité, ce qui donne lieu à un ensemble varié d’expériences. Cet intérêt social suscite également l’attention des chercheurs et des institutions, contribuant ainsi à la création d’un nouvel univers conceptuel, et donc d’un cadre épistémologique. Ce cadre épistémologique et son univers conceptuel sont toujours en cours d’élaboration grâce à l’apport de la recherche universitai
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Actes de conférences sur le sujet "Quantitative provenance analysis"

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Xu, Wei, Lei Fang, Jingyun Zou, Fuxin Guo, Yingchun Zhang, and Kaiyuan Chen. "An Integrated Reservoir Predicting Approach with Geological Constraints from Stratigraphic Forward Modeling of the Miocene Fan Delta in Albert Basin, Uganda." In International Petroleum Technology Conference. IPTC, 2021. http://dx.doi.org/10.2523/iptc-21481-ms.

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Abstract Reservoir prediction is a core area of research in oilfield exploration and development, and it is generally constructed on a combination of well data, seismic attributes or inversion. However, reservoir prediction in sparse well areas poses great challenges due to insufficient well control. If the quality of seismic data is poor, the spatial distribution characteristics of reservoirs cannot be effectively characterized through inversion or attribute analysis, which seriously affects the prediction accuracy. This paper proposes a new method to solve the difficulty in reservoir predict
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Navarrete, Rosa, Diana Martinez- Mosquera, Lorena Recalde, and Marco Aguirre. "Evaluating embedded semantics for accessibility description of web crawl data." In 14th International Conference on Applied Human Factors and Ergonomics (AHFE 2023). AHFE International, 2023. http://dx.doi.org/10.54941/ahfe1003774.

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The Web is ever expanding, even more by the need for content consumption derived from the pandemic. This fact highlights the need for equity in access to Web content by all people, regardless of their disabilities. To this end, it is essential to focus on web accessibility issues. The World Wide Web Consortium (W3C), the leading organization responsible for ensuring the growth of the social value of the Web, establishes standards, protocols, and recommendations to improve the reach extent of web content for people. For instance, Web Content Accessibility Guidelines (WCAG) promote the achieveme
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Rapports d'organisations sur le sujet "Quantitative provenance analysis"

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Knight, R. D., and H. A. J. Russell. Quantifying the invisible: pXRF analyses of three boreholes, British Columbia and Ontario. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/331176.

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Portable X-ray fluorescence (pXRF) technology collects geochemical data at a fraction of the cost of traditional laboratory methods. Although the pXRF spectrometer provides concentrations for 41 elements, only a subset of these elements meet the criteria for definitive, quantitative, and qualitative data. However, high-quality pXRF data obtained by correct application of analytical protocols, can provide robust insight to stratigraphy and sediment characteristics that are often not observed by, for example, visual core logging, grain size analysis, and geophysical logging. We present examples
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Kang’oro, Dorothy, Fidele Fidele Ngerero, and Ignatius Odongo. Utiliser les technologies numériques pour améliorer le recouvrement des impôts – le cas du Togo. Institute of Development Studies, 2024. http://dx.doi.org/10.19088/ictd.2024.090.

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La numérisation croissante des économies africaines au cours de la dernière décennie et la diffusion de l'argent mobile et des services financiers numériques (SFN) ont offert à la fois des opportunités et des défis aux administrations fiscales en Afrique. En théorie, l'utilisation des technologies numériques et le recours accru aux SFN peuvent permettre aux administrations fiscales d'accéder à un grand nombre de nouvelles données numérisées, d'accroître la transparence et de faciliter l'expérience globale du contribuable. Tout cela peut en fin de compte améliorer les performances de l'administ
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