Results 101 to 110 of about 2,426 (216)

Machine learning allied to green tech analysis: Pioneering approaches for remineralizers and silicate fertilizers chemical composition assessment

Ciência e Agrotecnologia
Traditional methods for the chemical characterization of agrominerals remain costly and generate chemical waste, especially for large-scale applications.
Renata Andrade Reis, Júlia Gonçalves Aguiar, Magda Bergmann, Liliane Lavoura Bueno Sachs, Sérgio Henrique Godinho Silva, Alberto Vasconcellos Inda, Marco Aurélio Carbone Carneiro, Nilton Curi   +7 more
doaj   +1 more source

Descriptive statistics for heavy metal concentrations in soils by PXRF methods (mg/kg). [PDF]

, 2017
Descriptive statistics for heavy metal concentrations in soils by PXRF methods (mg/kg).
Zhou Shi (746434), Bifeng Hu (3778951), Junfeng Xu (1922374), Yan Li (23143), Jie Hu (130301), Songchao Chen (1615525), Fang Xia (146439)   +6 more
core   +1 more source

Sourcing obsidian artefacts from Early Neolithic sites in South-Central Romania

Materiale și Cercetări Arheologice, 2019
Portable X‐ ray fluorescence spectroscopy (pXRF) was used to reveal the chemical signatures of 60 obsidian artefacts from two Early Neolithic sites in the Muntenia region of southern Romania – Uliești in Dâmbovița County and Măgura – Buduiasca in ...
Boroneanț, A., Mirea, P., Ilie, A., Bonsall, C.   +3 more
doaj   +1 more source

Monte Finocchito and Heloros Pottery Production: New Evidence through Technological Studies and Material Analysis

Open Archaeology, 2017
This paper discusses the use of non-destructive portable X-ray fluorescence (pXRF) to distinguish sources of variation in 8th Century BC Greek and Sicilian ceramics. The project comprises an element of my PhD study through La Trobe University, concerning
Raudino Anna, Tykot Robert H., Vianello Andrea   +2 more
doaj   +1 more source

Elemental Analyses of Archaeological Bone Using PXRF, ICP-MS, and a Newly Developed Calibration to Assess Andean Paleodiets [PDF]

, 2018
As a result of the quick rise of pXRF technology in archaeology, there are concerns regarding the reliability and validity of data output acquired from pXRF.
Bergmann, Christine L.
core   +1 more source

Test av portabel röntgenfluorescens (PXRF) för bestämning av jordart, näringsämnen och tungmetaller direkt i fält [PDF]

, 2015
Vid markkartering tas matjordsprov som analyseras i laboratorium. Ett stort antal markvariabler kan vara aktuella att analysera. I det här projektet utvärderades möjligheten att använda ett handburet instrument som mäter röntgenfluorescens (PXRF ...
Söderström, Mats, Stadig, Henrik
core  

Geochemical Data of Scaglia Bianca Chert from Central Italy for Provenance Studies

Journal of Open Archaeology Data
This work presents the first geochemical characterization data of Scaglia Bianca Fm chert from Central Italy. The dataset is part of the chert reference collection (SiliROck) of Sapienza, University of Rome, and includes 110 chert samples collected from ...
Elena Carletti, Giacomo Eramo, Ignazio Allegretta, Luca Forti, Roberto Terzano, Cecilia Conati Barbaro   +5 more
doaj   +1 more source

PXRF Determination of the Obsidian Industry from the S–F Area of Piani della Corona EBA Settlement (Bagnara Calabra–RC, South Italy)

Open Archaeology, 2017
Archaeological excavations in the S-F area of Piani della Corona settlement have affected a portion of 2200 m2 of a large plateau (490 m asl). The researches, conducted between 2007 and 2008 by the Superintendence of the Museo Preistorico Etnografico “L.
Marino Sara, Natali Elena, Tykot Robert H., Vianello Andrea   +3 more
doaj   +1 more source

QUALITY CONTROL OF PXRF SPECTROMETRY [PDF]

Geological Society of America Abstracts with Programs, 2016
Ross D. Knight, A.R.R. Landon-Browne, Bruce Kjarsgaard, H.A.J. Russell   +3 more
openaire   +1 more source

A Compositional Study (pXRF) of Early Holocene Obsidian Assemblages from Cyprus, Eastern Mediterranean

Open Archaeology, 2019
This paper presents the results of the geochemical characterisation of complete obsidian assemblages dating to the Early Aceramic Neolithic (8200–6900 Cal BC) and located in Cyprus, eastern Mediterranean.
Moutsiou Theodora
doaj   +1 more source