Results 91 to 100 of about 4,540 (192)

The Japanese longline fishery for tunas and billfishes in the Eastern Pacific Ocean east of 130°W, 1964-1966 [PDF]

open access: yes, 1969
ENGLISH: Catch and effort statistics from the Japanese longline fishery operating in the eastern Pacific Ocean east of 130°W, from 1964 through 1966, were examined to study the geographic distribution, trends in apparent abundance, sexual maturity, and ...
Joseph, James, Kume, Susumu
core  

How to Calculate Tortuosity Easily?

open access: yes, 2012
Tortuosity is one of the key parameters describing the geometry and transport properties of porous media. It is defined either as an average elongation of fluid paths or as a retardation factor that measures the resistance of a porous medium to the flow.
Koza, Zbigniew, Matyka, Maciej
core   +1 more source

Numerical study on bionic airfoil fins used in printed circuit plate heat exchanger

open access: yesOpen Physics
Airfoil printed circuit heat exchangers (PCHEs) possess exceptional comprehensive performance. In recent years, extensive research has been conducted on the layout and structure optimization of airfoil fins.
Yu Chulin   +4 more
doaj   +1 more source

A robust framework for removing G0 distributed noise from Synthetic Aperture Radar images

open access: yesCogent Engineering
Synthetic Aperture Radar (SAR) imagery finds widespread applications across engineering disciplines, encompassing vegetation surveys, biomass estimation, and weather-related investigations.
Rajan M. Ragesh   +2 more
doaj   +1 more source

A review of the Japanese longline fishery for tunas and billfishes in the Eastern Pacific Ocean, 1981-1987 [PDF]

open access: yes, 1992
ENGLISH: This report reviews the activity of the Japanese longline fishery in the eastern Pacific Ocean during the 1981-1987 period, extending the studies for the 1956-1980 period made by other investigators.
Bayliff, William H., Nakano, Hideki
core  

SailMutLoc: a sailfish-mutation enhanced optimization algorithm for student performance prediction

open access: yesAin Shams Engineering Journal
Feature selection enables educational data mining provide personalised support and enhance student performance. When using high-dimensional educational datasets, traditional feature selection techniques have premature convergence and inadequate feature ...
Ashjan Hamad Alsabhan   +8 more
doaj   +1 more source

Periodic pressure prediction of working face based on dynamic adaptive sailfish optimization BP neural network

open access: yesGong-kuang zidonghua
In order to solve the problems of insufficient precision, poor generalization, and high computational requirements of existing methods for periodic pressure prediction of working face, a periodic pressure prediction model of working face based on dynamic
YAO Yupeng, XIONG Wu
doaj   +1 more source

Post-Release Survival of Sailfish (Istiophorus platypterus) Captured on Commercial Pelagic Longline Gear in the Southern Gulf of Mexico [PDF]

open access: yes, 2007
To estimate post-release survival of sailfish caught incidentally to regular commercial pelagic longline fishing operations in the southern Gulf of Mexico targeting mixed swordfish and tunas, ten pop-up satellite archival tags were deployed for ten days ...
Graves, John E., Kerstetter, David W.
core   +1 more source

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