Results 51 to 60 of about 1,853 (301)
Arthritis Care &Research, EarlyView.Objective To investigate the association between rheumatoid arthritis (RA) and coronary artery calcium (CAC) prevalence, incidence, and progression over four years in adults without prior cardiovascular disease. Methods A case‐cohort study within the Brazilian Longitudinal Study of Adult Health (ELSA‐Brasil) included 585 participants (86 patients with ...
Patrícia Fonseca Estrada +7 more
wiley +1 more source
Innovative methods of extracting the loose gold from technogenic deposits in the Irkutsk region
MATEC Web of Conferences, 2018 In Russia and abroad, the scope of the use of gold has significantly expanded, which undoubtedly affected the level of production. However, despite the fairly high rates of gold mining, the economic situation that has developed in recent years makes the ...
Golovina Elena +2 more
doaj +1 more source
A four stage evolution of the White Channel gravel: Implications for stratigraphy and palaeoclimates
, 2014 Although the White Channel gravel (WCG) of the Klondike district, Yukon, contains gold placers which have been exploited for over a century, few sedimentological studies have been undertaken.
Lowther, Robert +3 more
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Advanced Engineering Materials, EarlyView.This study presents a reversible temperature sensor with high switching ratio, ∼103. The device is fabricated using PET‐ITO and carbon nanotube dispersions in alkane. Considering its application in cold chain logistics, a proof‐of‐concept with LED is showcased. Thus, a temperature drop below the threshold temperature (crystallization temperature of the
Sunil Kumar Behera +8 more
wiley +1 more source
, 1940 GOLD HILL PLACER Basin District (Cataract). Minerals Yearbook 1940. Page 357. One of the small scale sluicing placer producers in district.
WPA
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A Compact Spin‐Coated Graphene UWB Antenna for Breast Tumor Detection
Advanced Engineering Materials, EarlyView.A compact, spin‐coated graphene ultra‐wideband patch antenna designed for breast tumor detection, capable of distinguishing between malignant and benign tumors. This innovative antenna can serve as an effective initial screening tool, particularly in resource‐limited settings such as rural areas, where access to advanced medical equipment like MRI and ...
Raja Rashidul Hasan +9 more
wiley +1 more source
INTERGROWTHS OF PLATINUM GROUP MINERALS FROM THE MIASS PLACER ZONE (SOUTH URALS) AND THEIR PRIMARY SOURCES [PDF]
Минералогия, 2016 Twenty four platinum group minerals (PGMs) were found in the Kialim and Maly Iremel gold placers of the Miass placer zone, South Urals. Rhodarsenite, bowieite, cuprorhodiste, and xingzhongite(?) were found in the Urals for the first time.
V.V. Zaykov +4 more
doaj
PLACERS OF MAJOR VALLEYS IN THE LENA GOLD-PLACERS REGION
Proceedings of higher educational establishments. Geology and Exploration, 2017 The morphology and inner structure of the placers in the maj or valleys of the Lena gold-bearing area are considered. The morphology of placers in the plan and the distribution of gold within the contours of the valleys are determined by the morphodynamic type of the channels and their evolution in different parts of the valley.
openaire +2 more sources
Location of gold placers in Oaxaca [PDF]
ArchéoSciences, 2009 During the late post-Classic period (1250-1521 AD), the Mesoamerican region of Oaxaca was well known for the pre-Hispanic gold metallurgy developed by the Mixtecs and Zapotecs. In this epoch, the most important burials were adorned with exceptional jewels, such as the well know items of Tomb 7 from the archaeological site of Monte Alban, and from other
openaire +1 more source
, 1935 GOLD COIN PLACER Gould-Stemple District (Stemple). Lewis & Clark County. Minerals Yearbook 1935 Sta. App. Page 169. Principal producers of placer gold in district.
WPA
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