Results 11 to 20 of about 225,878 (298)
Tungsten and barium transport in the internal plasma of hollow cathodes [PDF]
, 2008 The effect of tungsten erosion, transport, and redeposition on the operation of dispenser hollow cathodes was investigated in detailed examinations of the discharge cathode inserts from 8200 h and 30 352 h ion engine wear tests.
Capece, Angela M. +3 more
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OENO One, 1990 Les profondes différences qui existent entre les trois Appellations d'Origine de Galice quant au sol, au climat, au cépage sont la cause d'importantes différences analytiques que l'on retrouve dans les divers vins produits.
Carlos Herrero, Bernard Médina
doaj +1 more source
Synthesis of Ionizable Calix[4]arenes for Chelation of Selected Divalent Cations
Molecules, 2022 Two sets of functionalised calix[4]arenes, either with a 1,3-crown ether bridge or with an open-chain oligo ether moiety in 1,3-position were prepared and further equipped with additional deprotonisable sulfonamide groups to establish chelating systems ...
Markus Blumberg +4 more
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Two barium stars in the Galactic bulge [PDF]
, 2013 Barium stars conserve important information on the s-process and the third dredge-up in intermediate mass stars. Their discovery in various environments is therefore of great help to test nucleosynthesis and mixing models. Our aim is to analyse two stars
Aringer, Bernhard +3 more
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Yankuang ceshi, 2019 BACKGROUND When inductively coupled plasma-mass spectrometry (ICP-MS) is used to determine the rare earth elements (REE) in the barite-associated light rare earth ores, Ba and light rare earth elements La, Ce, Pr, Nd, Sm, cause severe mass spectral ...
DONG Xue-lin +4 more
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Mapping of potentially hazardous elements in the Cambrian Vendian aquifer system, northern Estonia [PDF]
Bulletin of the Geological Society of Finland, 2003 Communities and towns in northern Estonia rely upon either surface waters or groundwater from Cambrian-Vendian aquifer system with limited fresh water resources.
E. Karro, A. Marandi
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Литьë и металлургия, 2018 The anodic behavior of a lead-antimony alloy (3 wt% Sb) doped with alkaline-earth metals was investigated in potentiostatic method in the potentiodynamic mode at a potential sweep rate of 2 mV/s and it was shown that with an increase in the content of ...
I. N. Ganiev +3 more
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Metals, 2021 The possibility of using complex structure modification for aluminium casting alloys’ mechanical properties improvement was studied. The fluxes widely used in the industry are mainly intended for the modification of a single structural component of Al–Si
Anastasiya D. Shlyaptseva +4 more
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Radiographic findings in sheep with abomasal phytobezoariasis
Veterinární Medicína, 2016 The purpose of this study was to characterise the radiographic appearance of abomasal phytobezoars in sheep as well as to evaluate the utility of abdominal radiography to identify them.
S.M. Hashemiasl, S. Azizi, D. Torkamani
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Technogenic and Geochemical Diagnostics of Soils Distributed on the Territory of the "Kremikovtsi" Metallurgical Plant [PDF]
Bulgarian Journal of Soil Science, 2023 The content of Rubidium, Strontium, Cesium and Barium in soils with a metamorphic and poorly developed profile, subjected to active technogenic pollution from the activity of the former Kremikovtsi metallurgical plant, was analyzed.
Mariela Stoykova
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