Results 21 to 30 of about 908,610 (265)

Ion clustering in aqueous salt solutions near the liquid/vapor interface [PDF]

open access: yes, 2016
Molecular dynamics simulations of aqueous NaCl, KCl, NaI, and KI solutions are used to study the effects of salts on the properties of the liquid/vapor interface. The simulations use the models which include both charge transfer and polarization effects.
Rick, S. W., Smith, J. D.
core   +5 more sources

Asymmetric addition of chiral boron-ate complexes to cyclic iminium ions [PDF]

open access: yes, 2014
Boron-ate complexes derived from enantioenriched secondary benzylic boronic esters and aryl lithiums have been reacted with quinolinium, pyridinium and dihydroisoquinolinium salts to give enantioenriched heterocyclic structures with very high ...
Aggarwal, Varinder K.   +4 more
core   +2 more sources

Comparative Study of Deterioration in Built Heritage in a Coastal Area: Barbanza Peninsula (Galicia, NW Spain)

open access: yesGeosciences, 2023
The Barbanza Peninsula (Galicia, NW Spain) is located on the west coast of Galicia. It is a narrow tongue of terrain with an area of 416 km2 and a high altitudinal gradient, with the top having a maximum height of more than 600 m at a distance of less ...
Ana C Hernández   +3 more
doaj   +1 more source

The Decopperization and Coagulation by Use the Carbon-N-Ox Method

open access: yesArchives of Metallurgy and Materials, 2017
This paper discusses the impact of complex chemical reagents during the process of decopperisation of slag. The beneficial effect of carbide response factors with the participation of nitrogen was indicated as well as the role of stimulators surfactants.
Bydałek A.W.   +3 more
doaj   +1 more source

Fluoroacidity evaluation in molten salts [PDF]

open access: yes, 2011
The fluoroacidity of several alkaline fluoride media was studied by monitoring the concentration of electroactive species which is decreasing versus time due to a gas species release, such as silicon fluorides, as indicated by the reaction: SiF(4+x)x ...
Bieber, Anne-Laure   +5 more
core   +4 more sources

Evaluation of antifungal activity of sodium salts against onion basal rot caused by Fusarium oxysporum f.sp. cepae

open access: yesPlant Protection Science, 2014
The efficacy of twelve sodium salts as possible alternatives to synthetic fungicides for the control of onion basal rot caused by Fusarium oxysporum f.sp. cepae was evaluated.
Muharrem TÜRKKAN, İsmail ERPER
doaj   +1 more source

Stereospecific and chemoselective copper-catalyzed deaminative silylation of benzylic ammonium triflates [PDF]

open access: yes, 2019
A method for the synthesis of benzylsilanes starting from the corresponding ammonium triflates is reported. Silyl boronic esters are employed as silicon pronucleophiles, and the reaction is catalyzed by copper(I) salts.
Gross, Benjamin M.   +2 more
core   +1 more source

Syntheses, Raman Spectroscopy and Crystal Structures of Alkali Hexa-fluoridorhenates(IV) Revisited [PDF]

open access: yes, 2018
The A2[ReF6] (A = K, Rb and Cs) salts are isotypic and crystallize in the trigonal space group type P\overline{3}m1, adopting the K2[GeF6] structure type.
Louis-Jean, James   +5 more
core   +3 more sources

A study of actoprotective activity of new 3-(thiophen-2-ylmethyl)-1H-1,2,4-triazole-5-thiol derivatives

open access: yesAktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki, 2020
The issue of fatigue is quite topical for the modern humanity. In order to work harder and earn as much money as possible, a person takes various stimulants, which have a number of side effects.
A. A. Safonov
doaj   +1 more source

Synthesis of Highly Stable 1,3-Diaryl-1H-1,2,3-triazol-5-ylidenes and Their Applications in Ruthenium-Catalyzed Olefin Metathesis [PDF]

open access: yes, 2011
The formal cycloaddition between 1,3-diaza-2-azoniaallene salts and alkynes or alkyne equivalents provides an efficient synthesis of 1,3-diaryl-1H-1,2,3-triazolium salts, the direct precursors of 1,2,3-triazol-5-ylidenes.
Bertrand, Guy   +6 more
core   +2 more sources

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