Results 51 to 60 of about 302,088 (211)

Cycle annuel d'activité de la truite commune (Salmo trutta L.) adulte : Étude par radio-pistage dans un cours d'eau de l'Ardenne belge

open access: yesKnowledge and Management of Aquatic Ecosystems, 1999
Sur une durée totale d'expérience de vingt-six mois, vingt truites (26,0-57,0 cm LF ; 198-1 685 g) ont été quotidiennement suivies par radio-pistage dans l'Aisne (affluent de l'Ourthe) durant des périodes variant de 466 à 16 jours selon les individus et ...
OVIDIO M.
doaj   +1 more source

Behavior of the Discharge Coefficient for the Overflow Characteristics of Oblique Circular Weirs

open access: yesTikrit Journal of Engineering Sciences, 2013
This paper presents an experimental study and analysis for effect of the geometrical characteristics, of the oblique cylindrical weir on discharge coefficient, wherefrom three sizes used for the weir and two angles for the deviation.From the results, it ...
Emad Abdul Gabbar Al Babely
doaj  

Penggerusan Di Hilir Bendung Dengan Mercu Type Vlugter [PDF]

open access: yes, 2016
Indonesia is a developing tropical country. With abundant natural resources, especially water resources, as well as the conditions of agrarian society so that the agricultural sector has great potential and should be developed in Indonesia.To support ...
Husada, G. (Ginardy)   +2 more
core  

Discharge coefficient of oblique sharp crested weir for free and submerged flow using trained ANN model

open access: yesWater Science, 2018
In the present study, ANN models have been developed to predict the discharge coefficients of oblique sharp-crested weirs for free and submerged flow cases using Borghei et al.’s experimental data.
Md. Ayaz, Talib Mansoor
doaj   +1 more source

Experimental Study of the Effect of W-weir on Reduction of Scour Depth at 90 Degree Sharp Bend

open access: yesمجله آب و خاک, 2017
Introduction: Flow patterns within the river bend is three dimensional. Occurrence of secondary flow due to centrifugal force and formation of helicoidally vortex in river bend usually causes the outer bank of river erodes whilst the sediment are ...
Vida Atashi   +2 more
doaj   +1 more source

Book review: Stumbling over truth: the inside story of the'sexed-up' dossier, Hutton and the BBC [PDF]

open access: yes, 2013
The 2004 Hutton Report ushered in an age of self-doubt and caution at the BBC. It was also the end of the most extraordinary experiment in news management Britain has ever seen: the decade of Alastair Campbell, the Blair courtier who delivered New Labour’
Weir, Patrick
core  

The Secular Beyond: Free Religious Dissent and Debates over the Afterlife in Nineteenth-Century Germany [PDF]

open access: yes, 2008
The 1830s and 1840s saw the proliferating usage of “the Beyond” (Jenseits) as a choice term for the afterlife in German public discourse. This linguistic innovation coincided with the rise of empiricism in natural science.
Weir, Todd H.
core   +1 more source

Dynamics of gabion weirs and its comparison to reinforced concrete weirs

open access: yesKuwait Journal of Science, 2019
Weir is one of the important water divergence structure. Different types of weirs have different hydraulics on upstream as well as downstream resulting in various construction costs and necessary arrangements for safe operation.
Hazrat Amin   +2 more
doaj  

Proper efficiency and duality for a new class of nonconvex multitime multiobjective variational problems [PDF]

open access: yes, 2014
In this paper, a new class of generalized of nonconvex multitime multiobjective variational problems is considered. We prove the sufficient optimality conditions for efficiency and proper efficiency in the considered multitime multiobjective variational ...
Antczak, Tadeusz, Pitea, Ariana
core   +2 more sources

A Tractable Extension of Linear Indexed Grammars [PDF]

open access: yes, 1995
It has been shown that Linear Indexed Grammars can be processed in polynomial time by exploiting constraints which make possible the extensive use of structure-sharing.
Keller, Bill, Weir, David
core   +4 more sources

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