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‘Gold’ lost in restoration: Evaluation of core morphology of custom metal posts and cores, and analysis of precious metal debris [PDF]
(1) Objectives: To investigate the deviations between the morphological dimensions of finished cores and desired dimensions made by three available fabricating techniques.
Yumin Wu +3 more
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Natural chemical systems are an excellent object for studying the properties of various elements. The most diverse and informative geological complexes are crystalline rocks of the Precambrian.
Alexander Kravchenko +5 more
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The zebrafish is emerging as a system of choice for modeling human disease. In this issue of Cell Metabolism, Mendelsohn et al. (2006) describe a model for Menkes disease, a genetic disorder in copper utilization. Using genetic and chemical screens, the authors highlight the impact of maternal nutrition on embryo development.
Merchant, Sabeeha S., Sagasti, Alvaro
openaire +2 more sources
Zirconium (Zr) element doping has proven to be an effective strategy for reinforcing the strength and toughness of Pt-Rh alloys. However, the incorporation of Zr into Pt-Rh alloy in solid solution form renders its microstructural observation challenging ...
Fangzhou Li +10 more
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An extensive collection of fossil brachiopods, all assigned to the Wuchiapingian Stage, was recovered from the lower part of the Imtachan Formation along the Ustupnyi Creek (right tributary of the Setorym River) in the Southern Verkhoyanie.
R. V. Kutygin, V. I. Makoshin
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The main objective of the study is to solve the question of the age and paleontological characteristics of the Kubalakh Formation of the Upper Paleozoic of the lower reaches of the Lena River.
V.I. Makoshin, R.V. Kutygin
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The North-Asian ore-bearing black shale megaprovince has first been distinguished in the northеastern Eurasia. Its distinguishing within the two contiguous platforms, the Siberian and East Siberian (buried under the Verkhoyansk-Kolyma folded area) ones ...
Vitalii S. Grinenko +2 more
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Ecological Risk Assessment of PTEs in Topsoils Impacted by Diamond Mining (Yakutia, Russia) [PDF]
The concentrations of potentially toxic elements (PTEs) in the topsoils of Udachny mining area were determined. The soil samples were taken from the 42 topsoil samples at a depth of 0-20 cm.
Gololobova Anna
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This article summarizes the results of our study of the Early Permian brachiopods collected 5.9–6.3 km northwest of the village of Chekurovka that were used to develop the first biostratigraphic zonation of the Asselian–Sakmarian deposits on the left ...
V.I. Makoshin, R.V. Kutygin
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The results of different-extension geological survey, exploration and thematic work methods show that the Vilyui syneclise is relatively amagmatic. However, the recent factual evidence in this region indicates the occurrence of magmatism of a different ...
V. V. Baranov +7 more
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