Results 31 to 40 of about 5,024 (208)

Portable X-Ray Fluorescence Spectroscopy for Rapid and Cost-Effective Determination of Elemental Composition of Ground Forage

open access: yesFrontiers in Plant Science, 2019
The recent development of portable X-ray fluorescence spectrometers (PXRF) has created new avenues for rapid plant elemental concentration determination at reduced cost while avoiding hazardous chemicals. A few studies have indicated the potential use of
Yadav Sapkota   +5 more
doaj   +1 more source

Technological Properties of Biocomposites Produced With Agro‐Industrial Castor Waste Applicable in the Thermal Insulation of Buildings

open access: yesPolymer Composites, EarlyView.
Biocomposites produced with agro‐industrial waste from castor hulls and pinewood bonded with urea‐formaldehyde adhesive, intended for application as thermal insulation in buildings. ABSTRACT The production of composite particleboards with agricultural waste has been the focus of many studies that aim to address environmental problems due to waste ...
Thamirys Andrade Lopes   +7 more
wiley   +1 more source

Correcting correlation quality of portable X-ray fluorescence to better map heavy metal contamination by spatial co-kriging interpolation

open access: yesEcotoxicology and Environmental Safety
High-precision mapping based on portable X-ray fluorescence (PXRF) data is currently being studied extensively; however, owing to poor correlation with soil metal concentration, the original PXRF data directly used for co-kriging interpolation (CKI ...
Manying Zhao   +5 more
doaj   +1 more source

Emigdiano Blues: The California Indigenous Pigment Palette and an In Situ Analysis of an Exotic Colour [PDF]

open access: yes, 2018
The Native inhabitants of South Central California produced rock art containing red, orange, black, white, green and blue colours using a range of mineral and organic materials.
Bedford, Clare   +2 more
core   +1 more source

Portable X‐Ray Fluorescence in the Assessment of Zinc Along Grizzly Bear Hair

open access: yesX-Ray Spectrometry, EarlyView.
ABSTRACT As a biomarker of past uptake of zinc, hair presents an interesting option since its growth can provide a stored record over time. This study investigates the distribution of zinc in hairs gathered from a series of grizzly bears (Ursus arctos horribilis).
David E. B. Fleming   +2 more
wiley   +1 more source

Provenance Study of Prehistoric Ceramics from Sicily: A Comparative Study between pXRF and XRF

open access: yesOpen Archaeology, 2017
The 1964 archaeological exploration of the Ognina islet near Syracuse, Sicily, has provided evidence suggesting a long-term prehistoric occupation from the Neolithic to the Middle Bronze Age.
Tanasi Davide   +3 more
doaj   +1 more source

Soil geochemical test data with pXRF

open access: yes, 2022
This is the soil geochemical test data with pXRF in Central Nuocang.
openaire   +1 more source

XAHRM‐Lab First Results and πXRF First View of UFe4Al8 and UFe10Si2

open access: yesX-Ray Spectrometry, EarlyView.
ABSTRACT Following the installation of the Laboratory for the Characterization and Speciation of Aerosols (LCEA) in 2008, and the confirmation of High Resolution Energy Dispersive Spectrometry (HiREDS) as a much promising development for X‐ray Emission Spectrometry in general and Particle Induced X‐ray Emission (PIXE) in particular, the installation of
M. A. Reis   +3 more
wiley   +1 more source

El prestigio de los objetos: mangos de marfil en el mundo ibérico

open access: yesZephyrus, 2020
El estudio se centra en una serie de mangos de marfil de características morfotécnicas similares, recuperados en espacios de hábitat y funerarios ibéricos y datados entre el s. IV y el s. II a. C.
Consuelo Mata Parreño   +5 more
doaj   +1 more source

Cultic resilience and inter-city engagement at the dawn of urban history: protohistoric Mesopotamia and the ‘city seals’, 3200-2750 BC [PDF]

open access: yes, 2019
Within the context of early urbanism, elite groups developed the world’s earliest writing in Mesopotamia, 3200-2750 BC, comprising administrative documents in the form of inscribed clay tablets.
Adams R. M.   +35 more
core   +1 more source

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