Results 91 to 100 of about 4,043 (219)

Domain glass dynamics of potassium thiocyanate (KSCN)

open access: yesJournal of Applied Physics
We study the dynamic elastic behavior of potassium thiocyanate (KSCN) in the temperature region of the order–disorder improper ferroelastic phase transition using dynamic mechanical analysis (0.05–40 Hz) and resonance ultrasound spectroscopy (100–600 kHz).
V. Soprunyuk   +5 more
openaire   +2 more sources

IgG recognizing 21-24 kDa and 30-33 kDa tachyzoite antigens show maximum avidity maturation during natural and accidental human toxoplasmosis

open access: yesRevista do Instituto de Medicina Tropical de São Paulo, 1999
We describe the avidity maturation of IgGs in human toxoplasmosis using sequential serum samples from accidental and natural infections. In accidental cases, avidity increased continuously throughout infection while naturally infected patients showed a ...
Margarita VILLAVEDRA   +2 more
doaj  

Vibrational Energy Transfer: An Angstrom Molecular Ruler in Studies of Ion Pairing and Clustering in Aqueous Solutions

open access: yes, 2015
The methodology and principle using vibrational energy transfer to measure molecular distances in liquids are introduced. The application of the method to the studies of ion pairing and clustering in strong electrolyte aqueous solutions is demonstrated ...
Chen, Hailong   +6 more
core   +1 more source

REMOVAL OF COPPER IONS USING ALIQUAT 336/TBP BASED SUPPORTED LIQUID MEMBRANE

open access: yesScientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, 2014
The sorption of copper (II) present in an aqueous media using a supported liquid membrane (SLM) by chloride tri-N-octylmethylammonium (Aliquat 336) and Tri-n-butylphosphate (TBP) from molar ratio 1:1, with polytetrafluoroethylene (PTFE) as a membrane ...
Baghdad Medjahed , MOHAMED A. DIDI
doaj  

In situ self-growth of NiOOH/CrO₂ catalyst via constant current electrooxidation for urea oxidation reaction

open access: yesNext Materials
In this study, the catalyst is generated in situ on the electrode surface, which breaks through the traditional electrode preparation methods. The Ni-Cr alloy is simply subjected to anodic leaching treatment in KSCN and KOH solutions, followed by ...
Xuehui Yu   +5 more
doaj   +1 more source

Microscopic Origin of the Deviation from Stokes-Einstein Behavior Observed in Dynamics of the KSCN Aqueous Solutions: A MD Simulation Study

open access: yes, 2013
Molecular dynamics simulations were carried out to investigate the microscopic origin of the deviation from Stokes-Einstein behavior observed in the dynamics of KSCN aqueous solutions.
Gao, Yi Qin   +5 more
core   +1 more source

Isopiestic determination of osmotic coefficients and evaluation of vapor pressures for solutions of KI, NH4SCN and KSCN in methanol at 25 °C

open access: yes, 2004
The osmotic coefficients of potassium iodide, ammonium thiocyanate and potassium thiocyanate in methanol have been measured by the isopiestic method at 25 degreesC.
Zafarani-Moattar, M.T.   +1 more
core   +1 more source

Evaluating the corrosion resistance of UBM-deposited Cr/CrN multilayers

open access: yesIngeniería e Investigación, 2011
This work was aimed at evaluating the corrosion resistance of multilayer Cr/CrN coatings deposited by the unbalan-ced magnetron sputtering (UBM) technique. Coatings were produced at room temperature using 400 mA discharge current, 9 sccm argon flow and 3
Yuri Lizbeth Chipatecua Godoy   +2 more
doaj  

Hydrogen embrittlement of duplex steel tested using slow strain rate test

open access: yesMetalurgija, 2014
This paper is dealing with hydrogen embrittlement of austenitic-ferritic 2205 duplex steel using the slow strain rate test (SSRT). The original material was subjected to heat treatment under 700 °C during 5 hours and following aircooling with the aim of ...
P. Vaňova, J. Sojka
doaj  

Raman-Scattering Study of the Order-Disorder Phase Transition in KSCN

open access: yes, 1997
Raman measurements were performed from room temperature to above the phase transition at 413 K on KSCN crystals. The internal mode spectra reveal a sideband above the internal CN stretching vibration which shows softening in frequency approaching the ...
Li, R., Hardy, John R.
core  

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