Results 61 to 70 of about 179,064 (175)

Hidden in the Glaze: Cobalt Blue Decorations of Catalan Tin‐Glazed Ceramics From the 16th to 18th Centuries

Archaeometry, EarlyView.
ABSTRACT This study investigates technological evolution in 16th–18th century Catalan tin glazes and cobalt blue decorations. Analysis reveals three glaze strategies, highlighting shifts in tin oxide use and cobalt pigment composition. In the 16th century, tin oxide acted as an opacifier and cobalt pigments exhibit low arsenic content with CoO/NiO and ...
Lisa Bruzzone, Trinitat Pradell, Javier G. Iñañez, Judit Molera   +3 more
wiley   +1 more source

The Massif Central as a Centre of Roman Brass Production? New Geochemical Data of the So‐Called Hemmoor Buckets

Archaeometry, EarlyView.
ABSTRACT New analytical data of the so‐called Hemmoor buckets, a group of brass vessels from the Roman period of the 2nd to 3rd century ad that are widespread throughout central and eastern Europe, show considerable similarities with the polymetallic Cévennes ore deposits in south‐eastern France in terms of their geochemical characteristics and lead ...
Tobias B. Skowronek, Michael Bode, Norbert Hanel, Daniel Neumann, Moritz Jansen, Karl Schmeer   +5 more
wiley   +1 more source

Pubertal Dynamics of Sertoli and Leydig Cell Dysfunction in Klinefelter Syndrome

Clinical Endocrinology, EarlyView.
ABSTRACT Context Klinefelter syndrome (KS), defined by a 47, XXY karyotype, is commonly associated with progressive testicular failure. The precise timing of Sertoli and Leydig cell dysfunction during puberty remains unclear. Objective To determine the onset and progression of testicular insufficiency during puberty in KS, and to assess whether ...
Tredez Axelle, Christine Lefevre, Simon Boussion, Cindy Colson, Iva Gueorguieva, Francois Marcelli, Anne Laure Barbotin, Pascal Pigny, Hamza Benderradji, Clara Leroy   +9 more
wiley   +1 more source

Native Antimony float-ore from Precambrian of Rajasthan, India

, 2005
Placer concentrations of rolled chunks of heavy, silvery-white, metallic mineral occur along a rivulet (N25°40.013'; E75°20.851') 15 km east of Jahazpur town of eastern Rajasthan.
Ramboz, Claire, Lakshmi, N., Ranawat, P.S., Rouer, Olivier   +3 more
core   +2 more sources

Navigating the Zero Fluoroscopy Frontier: Current Tools, Evidence and Future Directions in Electrophysiology Procedures

Pacing and Clinical Electrophysiology, EarlyView.
Graphical Abstract ABSTRACT Fluoroscopy has traditionally been the mainstay imaging technique for guidance during electrophysiology (EP) ablation procedures. The numerous disadvantages associated with radiation exposure for both operators and patients have created the need for zero‐fluoroscopy (ZF) approaches. Today, electrophysiologists have access to
Dimitrios Kotzadamis, Georgios Giannopoulos, Vaios Schismenos, Alexandros Evangeliou, Prokopios Mamolis, Antonios Antoniadis, Vassilios Vassilikos   +6 more
wiley   +1 more source

Antimony Ore Identification Method for Small Sample X-Ray Images with Random Distribution

The performance of image processing is crucial for accurately sorting antimony ore, yet several challenges persist. Existing image segmentation methods struggle with X-ray ore images that contain high noise and interference.
Chen Ding, Hongdong Hu, Wei Dai, Lanhao Wang, Hongyan Wang   +4 more
core   +1 more source

Antimony resistant bacteria isolated from Budúcnosť adit (Pezinok-Kolársky vrch deposit) in western Slovakia

Heliyon
Potentially toxic elements (PTE), such as antimony (Sb), are dangerous putative contaminants for ground and surface waters around abandoned mines and ore deposits in Slovakia.
Hana Majerová, Zuzana Konyariková, Dana Strašiftáková, Christian Puhr, Ivona Kautmanová, Tomáš Faragó, Peter Šottník, Bronislava Lalinská-Voleková   +7 more
doaj   +1 more source

Impacts of reclamation approaches on plant establishment in an arid environment during copper mine revegetation

Restoration Ecology, EarlyView.
Abstract Introduction Revegetation using native vegetation is a commonly used technique to reclaim landscapes degraded by mining activities. Revegetation efforts in the arid Southwestern United States face physical, geochemical, hydrological, and biological challenges unique to drylands.
Sierra T. Lauman, Catherine G. Fontana, Elise S. Gornish, Julia W. Neilson   +3 more
wiley   +1 more source

The effect of ore blends on the mineral processing of platinum ores [PDF]

, 2011
Includes abstract.Includes bibliographical references (leaves 96-101).This thesis investigates the effect of ore blends on milling and flotation performance.
Van Tonder, Erika
core   +1 more source

Determination of Antimony in Antimony Ores Using Carbon Reduction-Assisted Digestion Coupled with Inductively Coupled Plasma-Optical Emission Spectrometry

Yankuang ceshi
Refractory antimonate minerals (e.g. tripuhyite) are difficult to decompose completely using conventional acid digestion methods, often leading to underestimated results in antimony determination.
Yanjun LIU, Jing RAN, Feifei CHEN, Yu CHEN, Mengna YANG   +4 more
doaj   +1 more source