Results 1 to 10 of about 1,679,025 (272)

Historias locales/diseños globales. Colonialidad, conocimientos subalternos y pensamiento fronterizo

open access: yesComunicación, 2022
Walter D. MIGNOLO.
Victor Manuel Silvia Echeto
doaj   +1 more source

Quartz-Enhanced Photoacoustic Sensor Based on a Multi-Laser Source for In-Sequence Detection of NO2, SO2, and NH3

open access: yesSensors, 2023
In this work, we report on the implementation of a multi-quantum cascade laser (QCL) module as an innovative light source for quartz-enhanced photoacoustic spectroscopy (QEPAS) sensing.
Pietro Patimisco   +6 more
doaj   +1 more source

Genuine temporal correlations can certify the quantum dimension

open access: yesNew Journal of Physics, 2020
Temporal correlations in quantum mechanics are the origin of several non-classical phenomena, but they depend on the dimension of the underlying quantum system.
Cornelia Spee   +7 more
doaj   +1 more source

First record of halobiontic Diplodontus semiperforatus (Acari, Hydrachnidia)  from North Khorasan, with notes on water mites in saline habitats of Iran

open access: yesPersian Journal of Acarology, 2023
We report the first record of Diplodontus semiperforatus (Walter, 1925) for Iran. Thus far, this halobiontic species was only known from the Western Mediterranean.
Vladimir Pešić   +5 more
doaj   +1 more source

Probing the trapping and thermal activation dynamics of excitons at single twin defects in GaAs–AlGaAs core–shell nanowires

open access: yesNew Journal of Physics, 2013
Time resolved and time-integrated photoluminescence (PL) spectroscopy is used to investigate the trapping and thermal activation dynamics of excitons bound to single twin defects in individual GaAs–AlGaAs core–shell nanowires.
Daniel Rudolph   +8 more
doaj   +1 more source

Relation of lipid peroxidation to loss of cations trapped in liposomes

open access: yesJournal of Lipid Research, 1971
Lipid peroxidation and alterations in cation loss have been induced in liposomes by ferrous ion, ascorbic acid, reduced and oxidized glutathione, and gamma radiation. Modifications of these effects by tocopherol and 2,6-di-tert-butyl-4-methylphenol (BHT)
MICHAEL E. LEIBOWITZ, MERRILL C. JOHKSON
doaj   +1 more source

Structure of temporal correlations of a qubit

open access: yesNew Journal of Physics, 2018
In quantum mechanics, spatial correlations arising from measurements at separated particles are well studied. This is not the case, however, for the temporal correlations arising from a single quantum system subjected to a sequence of generalized ...
Jannik Hoffmann   +3 more
doaj   +1 more source

Characterizing the width of entanglement

open access: yesNew Journal of Physics, 2016
The size of controllable quantum systems has grown in recent times. Therefore, the spatial degree of freedom becomes more and more important in experimental quantum systems.
Sabine Wölk, Otfried Gühne
doaj   +1 more source

Assessment of Anthropometric Indices for Optimal Cut-Offs for Obesity Screening in a South African Adolescent Population

open access: yesBiology, 2021
The assessment of obesity in sub-Saharan Africa relies on cut-offs established from western populations. This study assessed anthropometric indices to determine optimal cut-off values for obesity screening in the South African adolescent population.
Godwill Azeh Engwa   +8 more
doaj   +1 more source

Residual-free reactive ion etching of gold layers

open access: yesAIP Advances, 2018
Metal contacts on semiconductors devices are normally defined by lift-off process, because no well-defined etch processes exist for some rare metals.
Gerhard Franz   +3 more
doaj   +1 more source

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