Results 31 to 40 of about 218,902 (300)

Synthesis and Functionalization of Monodisperse Near-ultraviolet and Visible Excitable Multifunctional Eu3+, Bi3+:REVO4 Nanophosphors for Bioimaging and Biosensing Applications [PDF]

open access: yes, 2016
Near-ultraviolet and visible excitable Eu- and Bi-doped NPs based on rare earth vanadates (REVO4, RE = Y, Gd) have been synthesized by a facile route from appropriate RE precursors, europium and bismuth nitrate, and sodium orthovanadate, by homogeneous ...
Ashraf, Sumaira   +7 more
core   +1 more source

Autocorrelation Method for Phased Antenna Array Calibration Based on Far-Field Measurement System

open access: yesИзвестия высших учебных заведений России: Радиоэлектроника
Introduction. An autocorrelation method can be used for calibration of phased antenna arrays (PAA) in the presence of interference. In scenarios where the PAA size is substantial, the initial elements of post-calibration are designated as a reference ...
Xuan Luong Nguyen   +3 more
doaj   +1 more source

Benefícios e entraves do programa de aquisição de alimentos (PAA) no município de Diamantino-MT

open access: yesRevista NERA, 2019
O objetivo do estudo foi identificar as percepções dos agricultores familiares quanto aos benefícios e entraves do Programa de Aquisição de Alimentos (PAA) em Diamantino-MT.
Paulus Vinicius da Silva   +2 more
doaj   +1 more source

Stability study of medical peracetic acid during using period

open access: yesSterile Supply, 2023
ObjectiveTo measure the content changes of different brands of peracetic acid (PAA) disinfectants under different conditions of use, and to provide data for stability test of peracetic acid.MethodsThe contents of nine brands of PAA disinfectants after ...
Bing Sheng   +7 more
doaj   +1 more source

Xenogeneic, extracorporeal liver perfusion in primates improves the ratio of branched-chain amino acids to aromatic amino acids (Fischer's ratio) [PDF]

open access: yes, 1999
In fulminant hepatic failure (FHF), the development of hepatic encephalopathy is associated with grossly abnormal concentrations of plasma amino acids (PAA).
Hammer, C.   +7 more
core   +1 more source

Fabrication and Characterization of Polymer Blend Doped With Metal Carbide Nanoparticles for Humidity Sensors [PDF]

open access: yesJournal of Nanostructures, 2019
Nanocomposites films of (polymer blend-ceramics) were prepared from (PVA-PAA) blend and (PVA-PAA) blend doped with niobium carbide nanoparticles for humidity sensors have low cost, easy fabrication, high sensitivity, lightweight and high corrosion ...
Ahmed Mohaisen, Zinah Hamad
doaj   +1 more source

Degradation of epoxy coatings under gamma irradiation [PDF]

open access: yes, 2013
Epoxy networks based on Diglycidyl ether of bisphenol A (DGEBA) and cured with Jeffamines (POPA) or polyamidoamine (PAA) were gamma irradiated at 25 1C in air. Dose rates of 50, 200 or 2000 Gy h- 1 for doses up 100 kGy were used.
DJOUANI, Fatma   +4 more
core   +6 more sources

How does the chain extension of poly (acrylic acid) scale in aqueous solution? A combined study with light scattering and computer simulation

open access: yes, 2001
This work adresses the question of the scaling behaviour of polyelectrolytes in solution for a realistic prototype: We show results of a combined experimental (light scattering) and theoretical (computer simulations) investigation of structural ...
Barrat J.-L.   +4 more
core   +1 more source

Lability of the pAA Virulence Plasmid in Escherichia coli O104:H4: Implications for Virulence in Humans. [PDF]

open access: yesPLoS ONE, 2013
BACKGROUNDEscherichia coli O104:H4 that caused the large German outbreak in 2011 is a highly virulent hybrid of enterohemorrhagic (EHEC) and enteroaggregative (EAEC) E. coli.
Wenlan Zhang   +9 more
doaj   +1 more source

A strong and sticky hydrogel electrolyte for flexible supercapacitors [PDF]

open access: yes, 2016
With the rapid development of flexible supercapacitors (SCs), there is increasing demand for high-performance solid electrolyte to replace the conventional liquid electrolyte. Hydrogel electrolyte is one of the promising candidates, which possesses solid
Bao, Hua   +5 more
core   +1 more source

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