Results 21 to 30 of about 1,757,665 (295)

Computational analysis of magnetohydrodynamic natural convection in a square cavity with a thin fin [PDF]

open access: yes, 2014
A numerical study of laminar natural convection in a square cavity with a thin fin that is under the influence of a uniform magnetic field is presented.
Aminossadati, S. M.   +2 more
core   +1 more source

A Numerical Study on Natural Convection Heat Transfer of Handheld Projectors with a Fin Array

open access: yesEnergies, 2017
This study numerically investigates the effects of the number of bottom openings and the fin spacing on both the natural convection heat transfer and airflow field of the handheld projector with various orientations. The horizontally-oriented 120 mm × 53
Jin-Cherng Shyu   +2 more
doaj   +1 more source

Systematfic status of Systomus rubrotfinctus Jerdon (Teleostefi: Cyprfinfidae) wfith notes on the Puntfius arulfius group of fishes [PDF]

open access: yes, 2011
Systomus rubrotfinctus Jerdon has long been consfidered a synonym of Puntfius arulfius. Examfinatfion of ‘P.arulfius’ collected from varfious parts of the Western Ghats revealed the presence of two dfistfinct specfies: and the fish consfidered by Day as ‘
Atkore, Vidyadhar   +2 more
core   +1 more source

Kant y la ciencia natural de los organismos

open access: yesIdeas y Valores, 2008
En la filosofía kantiana la explicación de los organismos, como ejemplos de diseño complejo, es un problema de difícil solución. Como entidades materiales deberían ser explicables por leyes mecánicas.
Alejandro Rosas
doaj   +2 more sources

Experimental Investigation of Heat Transfer Characteristics on the Exterior Surface of a Vertical 3-D Finned Tube under Natural Convection Conditions

open access: yesChemical Engineering Transactions, 2020
The vertical three-dimensional finned tube is one kind of strengthened tubes that effectively enhance heat transfer. In this paper, the characteristics of heat transfer on the exterior enhanced surface of a vertical 3-D finned tube were studied under ...
Bin Deng   +5 more
doaj   +1 more source

Discovering Protein Kinase C Active Plants Growing in Finland Utilizing Automated Bioassay Combined to LC/MS

open access: yesNatural Product Communications, 2009
Protein kinase C (PKC) modulating activity of 81 plant extracts of Finnish origin was investigated with an automated bioassay method combined to LC/MS. Twenty-one extracts from different parts of the plants inhibited PKC significantly.
Anna Galkin   +5 more
doaj   +1 more source

Cryptic diversity and signs of mitochondrial introgression in the Agrilus viridis species complex (Coleoptera: Buprestidae)

open access: yesEuropean Journal of Entomology, 2014
The jewel beetle genus Agrilus (Buprestidae), with approximately 2880 recognized species, is taxonomically challenging due to the great similarity of species.
Mikko PENTINSAARI   +2 more
doaj   +1 more source

On the Optimal Shape and Efficiency Improvement of Fin Heat Sinks

open access: yesEnergies, 2022
In this paper, we analyze the values of the entropic efficiency of longitudinal fins by investigating the coupling between the function describing the fin profile and the corresponding steady-state temperature distribution along the fin. By starting from
Federico Zullo, Claudio Giorgi
doaj   +1 more source

Osteology and relationships of Rhinopycnodus gabriellae gen. et sp. nov. (Pycnodontiformes) from the marine Late Cretaceous of Lebanon [PDF]

open access: yes, 2013
The osteology of Rhinopycnodus gabriellae gen. and sp. nov., a pycnodontiform fish from the marine Cenomanian (Late Cretaceous) of Lebanon, is studied in detail.
Capasso, Luigi, Taverne, Louis
core   +3 more sources

La epigénesis y sus fundamentos en la filosofía crítica de Kant

open access: yesPrometeica
El presente artículo ofrece una comprensión de la epigénesis en la filosofía crítica de Kant, a saber, de la teoría que describe la generación de la razón y los organismos, sobre lo cual se esclarecen los motivos racionales que la fundamentan y validan.
Daniel Caballero López
doaj   +1 more source

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