نتایج جستجو برای: porous fin

تعداد نتایج: 64775  

2000
Kalevi J. A. Kairemo Antti P. Jekunen Mikko Tenhunen

Kalevi J. A. Kairemo, Antti P. Jekunen, and Mikko Tenhunen Department of Clinical Chemistry, Helsinki University Central Hospital, FIN-00029, Finland 2 Department of Clinical Pharmacology, Helsinki University Central Hospital, FIN-00029, Finland 3 Department of Oncology, Helsinki University Central Hospital, FIN-00029, Finland ____________________________________________________________________...

2002
Tero Kunnari Karel D. Klika Gloria Blanco Carmen Méndez Pekka Mäntsälä Juha Hakala Reijo Sillanpää Petri Tähtinen Jose Salas Kristiina Ylihonko

a Galilaeus Oy, P.O. Box 113, FIN-20781 Kaarina, Finland. E-mail: [email protected]; Fax: 358-2-2731460; Tel: 358-2-2741450 b Structural Chemistry Group, Department of Chemistry, University of Turku, Vatselankatu 2, FIN-20014 Turku, Finland c Departamento de Biologia Funcional e Instituto, Universitario de Biotecnologia de Asturias, ESP-33006 Oviedo, Spain d Department of Biochemistry, ...

2012
H. Azarkish

In the present work, the performance of the particle swarm optimization and the genetic algorithm compared as a typical geometry design problem. The design maximizes the heat transfer rate from a given fin volume. The analysis presumes that a linear temperature distribution along the fin. The fin profile generated using the B-spline curves and controlled by the change of control point coordinat...

Journal: :Proceedings. Biological sciences 2016
Brett R Aiello Thomas A Stewart Melina E Hale

Adipose fins are found on approximately 20% of ray-finned fish species. The apparently rudimentary anatomy of adipose fins inspired a longstanding hypothesis that these fins are vestigial and lack function. However, adipose fins have evolved repeatedly within Teleostei, suggesting adaptive function. Recently, adipose fins were proposed to function as mechanosensors, detecting fluid flow anterio...

2012
R. Venkata Rao Vivek Patel

This study explores the use of teaching-learning-based optimization (TLBO) algorithm for thermodynamic optimization of a plate-fin heat exchanger. Minimizing the total number of entropy generation units for specific heat duty requirement under given space restrictions is considered as objective function. Based on the applications heat exchanger length, fin frequency, numbers of fin layers, lanc...

Journal: :Zootaxa 2013
Marina Vianna Loeb Ayda Vera Alcântara

A new species of Lycengraulis from the Amazon basin is described. Lycengraulis figueiredoi can be distinguished from L. grossidens by a short upper maxilla, its posterior margin not reaching the lower maxilla joint (vs. upper maxilla longer, its posterior margin reaching to or a little past of mandible joint). Lycengraulis figueiredoi can be distinguished also from L. poeyi by 26 to 31 anal-fin...

2006
Masao YOSHIDA Soichi ISHIHARA Yoshio MURAKAMI Kohei NAKASHIMA Masago YAMAMOTO

Effects of the number of fins, fin pitch and wind velocity on air-cooling were investigated using experimental cylinders for an air-cooled engine of a motorcycle. Experimental cylinders that had a various number of fins and fin pitches were tested in a wind tunnel. Then the temperature inside of the cylinder, on the surface of the fins and in the space between the fins was measured. Results ind...

This study investigated the effect of the installation of flood dams on the morphological variation of Alburnoides samiii Mousavi-Sabet, Vatandoust & Doadrio, 2015, in Toolkhone River, origin from Somam Mountain, the South Caspian Sea basin, north of Iran. Multivariate analysis (MANOVA) was employed for morphometric characteristics of the fish inhabit upstream and downstream of the dams. Signif...

Journal: :The Journal of experimental biology 2005
Eliot G Drucker George V Lauder

In this study, we examine the kinematics and hydrodynamics of the soft dorsal fin in a representative basal teleost, the rainbow trout (Oncorhynchus mykiss), during steady rectilinear locomotion at 0.5-2.0 body lengths (L) s(-1) and during maneuvering. During steady swimming, dorsal fin height and sweep amplitude decrease with increasing speed. The dorsal fin wake, as viewed within a horizontal...

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