Results 81 to 90 of about 24,071 (113)

Specific Features of Photoconductivity of Tl1-xIn1-xSnxSe2 Monocrystals at Low Temperatures

open access: yesФізика і хімія твердого тіла, 2019
The photoconductivity spectra in the temperature range T≈36-200 K and the spectra of thermostimulated currents in the temperature range T≈70-300 K of Tl1-xIn1-xSnxSe2 single crystals obtained by directional crystallization of Bridgman-Stockbarger have ...
O. V. Novosad   +7 more
semanticscholar   +1 more source

The use of e-passports for inbound airport border security screening: the passenger perspective

open access: yesAviation, 2014
The aim of this study was to assess the use of machine readable passport systems for inbound airport border security screening, from the perspective of the travelling public.
David K. Kneale   +2 more
doaj   +1 more source

Interpretation of neural network technologies for prediction and management of risk factors

open access: yesAviation, 2010
The analysis carried out, as well as the systematisation and generalisation of flight safety problems, has allowed us to propose a model for a flight safety management system and to define directions for priority research. To solve flight safety problems,
Volodimir Kharchenko, Oleh Alexeiev
doaj   +1 more source

A logistic approach for description of decision-making process / Sprendimų priėmimo aprašymas logistiniu požiūriu

open access: yesAviation, 2011
Managers must make strategic decisions to cope with issues of uncertainty, customer service and the management of a company. The objective of this paper is to analyse the problem of optimisation and search of rational logistic decisions, taking into ...
Mariya Grigorak, Olga Shkvar
doaj   +1 more source

Identification of elastic properties of stiffened composite shell

open access: yesAviation, 2009
In the present study a numerical‐experimental method for the identification of the elastic properties of stiffened composite panel from experimental vibration analysis is carried out.
Andrejs Kovalovs, Sandris Ručevskis
doaj   +1 more source

Crack propagation in rectangular thin‐walled plates with concentrators subected to cycling loading

open access: yesAviation, 2005
The paper presents the results of experimental investigations of the crack propagation process in thin‐walled elements made from optically active materials (polycarbonate), making the visualization of the field possible isochromatics at the front of the ...
Henryk Kopecki, Jan Zacharzewski
doaj   +1 more source

Oculomotor corollary discharge signaling is related to repetitive behavior in children with autism spectrum disorder. [PDF]

open access: yesJ Vis, 2021
Yao B   +8 more
europepmc   +1 more source

Initial stress correction method for the modeling of folded space inflatable structures

open access: yesAviation, 2014
Initial errors and mesh distortions are inevitable in the modelling of folded space inflatable structures. Aimed at this key technical problem, an initial stress correction method based on finite element theory is proposed in this paper.
Yanan Zhan, Li Yu, Xue Yang, Han Cheng
doaj   +1 more source

DNA methylation in cord blood as mediator of the association between prenatal arsenic exposure and gestational age. [PDF]

open access: yesEpigenetics, 2018
Bozack AK   +6 more
europepmc   +1 more source

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