Results 11 to 20 of about 71,412 (265)

Utilisation de quelques éléments minéraux dans la différenciation des vins de Galice de ceux d'autres régions d'Espagne

open access: yesOENO 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

open access: yesMolecules, 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
doaj   +1 more source

Determination of Rare Earth Elements in Barite-associated Rare Earth Ores by Alkaline Precipitation Separation-Inductively Coupled Plasma-Mass Spectrometry

open access: yesYankuang 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
doaj   +1 more source

Mapping of potentially hazardous elements in the Cambrian Vendian aquifer system, northern Estonia [PDF]

open access: yesBulletin 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
doaj   +1 more source

INFLUENCE OF ALKALINE – EARTH METALS ON ANODIC BEHAVIOR OF ALLOY ССУЗ IN NEUTRAL ENVIRONMENT OF THE ELECTROLYTE NaCl

open access: yesЛитьë 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
doaj   +1 more source

Complex Structure Modification and Improvement of Properties of Aluminium Casting Alloys with Various Silicon Content

open access: yesMetals, 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
doaj   +1 more source

Radiographic findings in sheep with abomasal phytobezoariasis

open access: yesVeterinární 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
doaj   +1 more source

Technogenic and Geochemical Diagnostics of Soils Distributed on the Territory of the "Kremikovtsi" Metallurgical Plant [PDF]

open access: yesBulgarian 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
doaj   +1 more source

Prenatal exposure to barium and arsenic and the odds of congenital heart defects in offspring: a nested case–control study within a birth cohort in Lanzhou, China

open access: yesFrontiers in Public Health
BackgroundPrevious studies have identified that exposure to heavy metals increases the prevalence of congenital heart defects (CHDs); however, limited information exists regarding the association between combined exposure to barium (Ba) and arsenic (As),
Yun Dang   +19 more
doaj   +1 more source

Barium sulfate aspiration: Is early bronchioalveolar lavage a life-saving procedure?

open access: yesTurkish Journal of Emergency Medicine, 2020
Aspiration of barium sulfate is a well-known complication, occurring accidentally during contrast-enhanced examinations of the upper gastrointestinal system.
Amarjeet Kumar   +4 more
doaj   +1 more source

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