Results 11 to 20 of about 68,973,280 (347)

Optical fibre long period grating sensors with nanostructured coatings [PDF]

open access: yes, 2011
The dual resonant response of long period fibre gratings (LPG) operating near the phase matching turning point to the deposition of nanostructured coatings is explored.
Topliss, Stephen M.
core   +7 more sources

Erratum: Point-to-Periodic and Periodic-to-Periodic Connections [PDF]

open access: yesBIT Numerical Mathematics, 2004
This addition includes a list of essential corrections to the authors' paper [ibid. 44, No.~1, 41--62 (2004; Zbl 1052.65113)].
Dieci, Luca, Rebaza, Jorge
openaire   +1 more source

Understanding Periodic and Non-periodic Chemistry in Periodic Tables [PDF]

open access: yesFrontiers in Chemistry, 2021
The chemical elements are the “conserved principles” or “kernels” of chemistry that are retained when substances are altered. Comprehensive overviews of the chemistry of the elements and their compounds are needed in chemical science. To this end, a graphical display of the chemical properties of the elements, in the form of a Periodic Table, is the ...
Changsu Cao   +5 more
openaire   +3 more sources

Nonlinear effects on ENSO's period [PDF]

open access: yes, 2004
The dependence of ENSO’s period on its amplitude is examined using a simple delayed oscillator model. This dependence is first calculated in the strongly nonlinear regime by extracting and analyzing unstable periodic orbits from the chaotic attractor of ...
Eccles, Fiona, Tziperman, Eli
core   +3 more sources

Evolution of periodicity in periodical cicadas [PDF]

open access: yesScientific Reports, 2015
AbstractPeriodical cicadas (Magicicada spp.) in the USA are famous for their unique prime-numbered life cycles of 13 and 17 years and their nearly perfectly synchronized mass emergences. Because almost all known species of cicada are non-periodical, periodicity is assumed to be a derived state.
Ito, Hiromu   +7 more
openaire   +2 more sources

Online teaching-learning in higher education during lockdown period of COVID-19 pandemic

open access: yesInternational Journal of Educational Research Open, 2020
The whole educational system from elementary to tertiary level has been collapsed during the lockdown period of the novel coronavirus disease 2019 (COVID-19) not only in India but across the globe.
L. Mishra, Tushar Gupta, Abha Shree
semanticscholar   +1 more source

COVID-19: 20 countries’ higher education intra-period digital pedagogy responses

open access: yes1, 2020
The Coronavirus 2019 (COVID-19) pandemic has created significant challenges for the global higher education community. Through a desktop analysis leveraging university and government sources where possible, we provide a timely map of the intra-period ...
J. Crawford   +7 more
semanticscholar   +1 more source

Adolescence as a pivotal period for emotion regulation development for consideration at current opinion in psychology.

open access: yesCurrent Opinion in Psychology, 2021
Adolescence is a dynamic period for the development of emotion regulation. For many individuals, emotion regulation skills improve dramatically during adolescence; however, for some youth, adolescence marks the beginning or worsening of psychopathology ...
J. Silvers
semanticscholar   +1 more source

Period Poverty Is Political! [PDF]

open access: yes, 2023
Guest blog post.Over the past few years, the term ‘period poverty’ has been in the news a lot. It refers to how some people are unable to access or afford menstrual products..
De Benedictis, S
core   +5 more sources

Il medioevo di Francesco giullare di Dio

open access: yesDoctor Virtualis, 2008
Francesco d'Assisi come spunto, nel film di Rossellini, per una riflessione sui temi della marginalità sociale e dell'anticonformismo.
Tomaso Subini
doaj   +1 more source

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