Results 21 to 30 of about 1,409,420 (284)

The universality of poetry in Aristotle’s Poetics [PDF]

open access: yes, 1991
This paper considers three questions arising out of Aristotle's statement that poetry is concerned with the universal. First, what does it mean? Secondly, what constraints does it impose on the construction of (in particular) tragic plots?
Belfiore   +15 more
core   +1 more source

Copper Coordination Complexes for Energy-Relevant Applications

open access: yesEnergies, 2020
Copper coordination complexes have emerged as a group of transition metal complexes that play important roles in solar energy conversion, utilization and storage, and have the potential to replace the quintessential commonly used transition metals, like ...
Iacopo Benesperi   +2 more
doaj   +1 more source

Engineered cyanobacteria with additional overexpression of selected Calvin-Benson-Bassham enzymes show further increased ethanol production

open access: yesMetabolic Engineering Communications, 2021
Cyanobacteria are one of the most promising microorganisms to produce biofuels and renewable chemicals due to their oxygenic autotrophic growth properties.
Stamatina Roussou   +3 more
doaj   +1 more source

Can social prescribing provide the missing link? [PDF]

open access: yes, 2008
Background: The voluntary sector has long been recognised as making an important contribution to individual and community health. In the UK, however, the links between primary health care services and the voluntary and community sector are often ...
HIGGINGS, T   +3 more
core   +1 more source

Variational Iteration Method and Differential Transformation Method for Solving the SEIR Epidemic Model

open access: yesInternational Journal of Differential Equations, 2020
The aim of the present study is to analyze and find a solution for the model of nonlinear ordinary differential equations (ODEs) describing the so-called coronavirus (COVID-19), a deadly and most parlous virus.
A. Harir   +3 more
doaj   +1 more source

Lie Symmetry Analysis and Explicit Solutions for the Time-Fractional Regularized Long-Wave Equation

open access: yesInternational Journal of Differential Equations, 2021
This paper systematically investigates the Lie group analysis method of the time-fractional regularized long-wave (RLW) equation with Riemann–Liouville fractional derivative.
Nisrine Maarouf   +2 more
doaj   +1 more source

Unimodality of the freely selfdecomposable probability laws [PDF]

open access: yes, 2015
We show that any freely selfdecomposable probability law is unimodal. This is the free probabilistic analog of Yamazato's result in [Ann. Probab.
Hasebe, Takahiro, Thorbjornsen, Steen
core   +2 more sources

Lie Symmetry Analysis, Exact Solutions, and Conservation Laws for the Generalized Time-Fractional KdV-Like Equation

open access: yesJournal of Function Spaces, 2021
In this paper, the problem of constructing the Lie point symmetries group of the nonlinear partial differential equation appeared in mathematical physics known as the generalized KdV-Like equation is discussed.
Maria Ihsane El Bahi, Khalid Hilal
doaj   +1 more source

Inventory and Enhancement of Geological Heritage in the Ouzoud Syncline (M’Goun UNESCO Geopark, Central High Atlas, Morocco): First Step for Promoting Geotourism and Sustainable Development

open access: yesProceedings, 2022
The Ouzoud syncline, in central Morocco, is one of the kingdom’s wealthiest areas of natural and cultural heritage. This syncline has significant potential for geotourism development; it contains the Ouzoud waterfalls, one of the most coveted tourist ...
Elhassan Louz   +4 more
doaj   +1 more source

Dye-sensitized Solar Cells Employing a SnO2-TiO2 Core-shell Structure Made by Atomic Layer Deposition

open access: yesCHIMIA, 2013
This paper describes the synthesis and characterization of core-shell structures, based on SnO2 and TiO2, for use in dye-sensitized solar cells (DSC).
Martin Karlsson   +6 more
doaj   +1 more source

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