Results 1 to 10 of about 154,590 (265)

Modelo matemático aplicado à irrigação localizada com microtubos sob regime de escoamento turbulento Mathematic model applied to drip irrigation with microtubs under turbulent flow

open access: yesEngenharia Agrícola, 2011
O presente trabalho teve como objetivos, desenvolver dois modelos matemáticos para dimensionamento de microtubos em irrigação localizada, operando sob regime de escoamento turbulento, nos quais foram incluídas as perdas de carga no microtubo, perda de ...
Wanderley de J. Souza   +3 more
doaj   +1 more source

Exploring aquaporin functions during changes in leaf water potential

open access: yesFrontiers in Plant Science, 2023
Maintenance of optimal leaf tissue humidity is important for plant productivity and food security. Leaf humidity is influenced by soil and atmospheric water availability, by transpiration and by the coordination of water flux across cell membranes ...
Caitlin S. Byrt   +5 more
doaj   +1 more source

Nouvelle étude de l’aqueduc gallo-romain de Montjeu à Augustodunum (Autun, Saône-et-Loire)

open access: yesRevue Archéologique de l’Est, 2009
New research carried out for a university thesis from 2003 onwards has lead to a greater comprehension of Autun’s hydraulic equipment dating from the Roman period when Augustodunum was considered the Eduan Capital.
Laetitia BORAU
doaj   +1 more source

UTILIZAÇÃO DA METODOLOGIA GRANADOS PARA A OTIMIZAÇÃO DE REDES HIDRÁULICAS MALHADAS

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental
RESUMO O método Granados de otimização, desenvolvido para redes ramificadas, foi associado à metodologia dos anéis de Hardy Cross e aplicado a redes malhadas.
Antonio Farias Leal   +1 more
doaj   +1 more source

Experimental Research on Variable Stiffness Property of Hydraulic Ball Joint for Rail Vehicles

open access: yes机车电传动, 2019
One hydraulic ball joint with variable stiffness characteristics for rail vehicles was proposed, which used hydraulic mechanism embedded in rubber elastomer to improve dynamic stiffness.
Xingwu DING   +5 more
doaj  

The Application of the Hydraulic Accumulator Technology on the RFID Sleeve

open access: yesShiyou jixie, 2016
The existed common fracturing sleeves have the technological issues like restricted fracturing stages,unachieved full bore of string,frequent tripping of switching tool.To address the issues,the possible application of hydraulic accumulator technology on
Zhao Chenxi, Dai Wenchao, Qin Jinli
doaj  

The Study of Parameters of Quarry Faces in Muruntau and Myutenbai Open Pits in Case of Applying Major Blasts

open access: yesГорные науки и технологии, 2019
The paper presents process layouts for excavation of zones near pit envelope based on the analysis of findings of the ore loss study in case of open-pit mining, as well as the results of field measurements in the quarry faces in Muruntau and Myutenbai ...
B. R. Raimzhanov   +2 more
doaj   +1 more source

OPTIMUM HYDRAULIC DESIGN FOR INVERTED SIPHON

open access: yesAl-Qadisiyah Journal for Engineering Science, 2008
In this research, optimum hydraulic design for siphon has been studied depending on the method of optimization (Modified Hooke and Jeeves) with some modifications. Some modifications on this method have done.
Thulfikar Razzak Al- Husseini
doaj  

ANALISIS PERUBAHAN BENTUK CHASIS TERHADAP BEBAN SEBAGAI DASAR PERANCANGAN MESIN BENDING HIDRAULIC

open access: yesRekayasa Mesin
In the world of the automotive industry there are still several problems that must be resolved, such as what happened in one of the workshops, there was a shortage of tools to repair bent truck frames because of the accident.
Makinun Makinun   +2 more
doaj   +1 more source

Mixed phase activated artificial muscle

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2018
This article presents the mixed phase as the pressure medium of hydraulic artificial muscles, which has rarely been mentioned before. Then a novel mixed phase activated artificial muscle is designed.
Wanda ZHAO   +5 more
doaj   +1 more source

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