Results 91 to 100 of about 40,749 (269)

An Archaeometallurgical Investigation on Some Archaeological Metal Finds From the Sasanian Site of Jahāngir, Western Iran

open access: yesArchaeometry, EarlyView.
ABSTRACT Twelve metal artifacts from recent excavations at the Sasanian archaeological site of Jahāngir in western Iran have been analyzed. These items include both decorative and utilitarian artifacts. The samples were examined using micro‐X‐ray fluorescence (μ‐XRF), scanning electron microscopy with energy‐dispersive X‐ray spectroscopy (SEM‐EDS), and
Omid Oudbashi   +2 more
wiley   +1 more source

Medicine for the Material World

open access: yesArchaeometry, EarlyView.
ABSTRACT It is clear that many of the inorganic materials of antiquity have been used both as medicines for human ills and also as agents in technological processes. This paper speculates that there might have been a stronger link between these two functions in the past, based on the concept of “active agents”—materials that are efficacious at curing ...
A. M. Pollard
wiley   +1 more source

ALEACIONES Y ESTILO EN ÉPOCAS DE CONTACTO HISPANO-INDÍGENA EN EL NOROESTE ARGENTINO [PDF]

open access: yesRevista de Arqueología Histórica Argentina y Latinoamericana, 2012
We explored the fabrication criteria of alloy pieces from the Northwest Argentina addressed to the Hispanic-Indigenous Period, considering the existence of zinc. The Zn amounts would result as manufacture by remelting operations of others objects.
Cabanillas, Eduardo, González, Luis
doaj  

From a ‘patchwork of platforms’ to the platformized school? The changing nature of data infrastructures in education

open access: yesBritish Journal of Educational Technology, EarlyView.
Abstract This article examines recent trends in the data infrastructures of Australian schools. Data interoperability has become integral to school operations as it enables data to flow between the array of applications that are used by the school and the broader school system by using a standardized format.
Luci Pangrazio
wiley   +1 more source

Gateways, Funnels, and Stackers: How People Hide Property Ownership Through Offshore Structures. [PDF]

open access: yesBr J Sociol
ABSTRACT How do wealthy individuals use offshore financial structures like shell companies to protect personal assets? And how is such offshore wealth structuring itself variably organized? Moving beyond conceptualizations of offshore as concerning only individual tax havens, this article investigates offshore wealth structuring as a fundamentally ...
Surak K, Inkley J.
europepmc   +2 more sources

Matsupexole: A novel nonergot dopamine receptor agonist with sustained efficacy in a rat model of Parkinson's disease and limited off‐target activity

open access: yesBritish Journal of Pharmacology, EarlyView.
Background and Purpose Dopamine receptor agonists, particularly targeting the dopamine D2L receptor (D2LR), have been used to treat Parkinson's disease (PD). However, valvular heart disease and somnolence, mainly caused by activating the serotonin 5‐HT2B receptor (5‐HT2BR) and dopamine D3 receptor (D3R), respectively, currently challenge their clinical
Takayuki Suzuki   +4 more
wiley   +1 more source

Multileaf Faraday cup for beam energy verification in radiation therapy with ultra-high dose-rate electron beams and ion beams. [PDF]

open access: yesMed Phys
Abstract Background In radiotherapy and particle therapy, the stability of the beam energy must be checked routinely during quality assurance. This is of particular importance when varying the dose rate via the beam intensity of the accelerator in order to study the FLASH effect when comparing irradiations with conventional and ultra‐high dose rates ...
Makowski C   +3 more
europepmc   +2 more sources

On the Propagation of Stress-Corrosion Cracking in Brass

open access: bronze, 1967
A. Kawashima   +2 more
openalex   +2 more sources

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