Results 41 to 50 of about 7,922 (174)
Luonnontieteellisin analyysimenetelmin tunnistettu Akseli Gallen-Kallelan väripaletti
Tahiti, 2020 Artikkeli on kokonaisuudessaan ensimmäinen laatuaan Suomessa ja se esittelee tutkimuksen tuloksia koskien Akseli Gallen-Kallelan käyttämiä väriaineita. Tutkimusaineisto on läpileikkaus taiteilijan taiteellisesta tuotannosta vuosilta 1880–1929.
Hanne Tikkala, Seppo Hornytzkyj
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Portable, Benchtop and Micro‐XRF in Agriculture—Present and Future From the Hardware Perspective
X-Ray Spectrometry, EarlyView.ABSTRACT X‐ray fluorescence (XRF) spectrometry has been an important tool in agricultural studies recently. This technique allows the multielemental, direct, and in situ analysis. The objective of this review is to evaluate the use of XRF in agriculture focusing on plant and soil samples based on indexed articles in the Scopus database from 2020 to ...
Eduardo de Almeida +7 more
wiley +1 more source
X-ray based tree ring analyses [PDF]
, 2004 In this thesis, two x-ray based dendro-analyses (batch-wise microdensitometry and energy dispersive x-ray fluorescence (EDXRF)) and the conditions under which these methods could be used on the two typical boreal conifers Norway spruce (Picea abies (L ...
Lindeberg, Johan
core
Lithic analysis in African archaeology: Advances and key themes
Archaeometry, EarlyView.Abstract Stone artifacts (lithics) preserve for extended periods; thus they are key evidence for probing the evolution of human technological behaviors. Africa boasts the oldest record of stone artifacts, spanning 3.3 Ma, rare instances of ethnographic stone tool‐making, and stone tool archives from diverse ecological settings, making it an anchor for ...
Deborah I. Olszewski +2 more
wiley +1 more source
Monitoramento de metais nos lagos igapó em Londrina, PR, usando a metodologia de EDXRF.
Semina: Ciências Exatas e Tecnológicas, 2008 O objetivo deste trabalho é apresentar os resultados de monitoramento de metais nos Lagos Igapó, na cidade de Londrina, e avaliar o potencial de um sistema portátil de EDXRF para determinação da concentração de metais totais em água, como uma metodologia
Fábio Luiz Melquiades +4 more
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Archaeometry, EarlyView.ABSTRACT This study examines Wari obsidian production in a cache of 39 bifaces found at the Late Moche site of San José de Moro (Jequetepeque Valley, North Coast of Peru, 700–850 ad). Portable X‐ray fluorescence, geometric morphometric, and technological analyses were used to investigate raw material provenance and bifacial production.
Antonio Pérez‐Balarezo +2 more
wiley +1 more source
The Pan African Medical Journal, 2019 INTRODUCTION: There is a growing interest on vital roles of micronutrients in the maintenance of good health and enhancement of the immune system for prevention of diseases.
Alix Dehayem-Kamadjeu, Justus Okonda
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Analysis of Archaeological Ceramics from the Paranaense Museum Collection by EDXRF Technique
Semina: Ciências Exatas e Tecnológicas, 2023 The EDXRF technique was used to analyse a selection of archaeological objects from the Paranaense Museum collection (Curitiba, Paraná State, South of Brazil).
Maria Sélia Blonski +2 more
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Early Bronze Age Copper Circulation in the Guadalentín and Segura Valleys (SE Spain)
Archaeometry, EarlyView.ABSTRACT Identifying the sources of copper used in Early Bronze Age metalwork from south‐east Spain is key to resolving a long‐running debate concerning centralized control, or lack thereof, over El Argar society's economic organisation. This study provides the first substantial integrated programme of EDXRF and MC‐ICP‐MS analyses for copper‐base ...
Dirk Brandherm, Ignacio Montero‐Ruiz
wiley +1 more source
Kuwait Journal of Science, 2023 The current study aimed to determine the major and minor elements in different algal species using energy dispersive x-ray fluorescence (EDXRF). Eight microalgae were isolated, and the dry powder of biomass was pressed for EDXRF.
Sewgil Saaduldeen Anwer
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