Results 11 to 20 of about 74,953 (270)

Heat stress and feeding behaviour of dairy cows in late lactation

open access: yesItalian Journal of Animal Science, 2021
Heat stress is one of the most important problems that dairy cows have to face and the use of cooling systems is becoming more and more important. The first reaction that has the animal to cope with the environmental variations is to modify its behaviour.
Mirco Corazzin   +7 more
doaj   +1 more source

Analysis on the Effect of Obstruction on Sprinkler Skipping in Air Conditioner Room Fire

open access: yesEnergies, 2022
Sprinkler skipping is an important issue in fire spread. In general, two sprinklers are installed in air conditioner rooms at the ceiling and 30 cm below to avoid spray failure by energy recovery ventilator in the ceiling.
Ji Tae Kim   +4 more
doaj   +1 more source

Effect of irrigation machines on soil compaction

open access: yesResearch in Agricultural Engineering, 2014
The analysis of soil compaction with chassis of a wide-span irrigation machine Valmont was determined. The sprinkler had 12 two-wheeled chassis (size of tyre 14.9'' × 24''). During the evaluation of soil compaction, we monitored the values of penetration
J. Jobbágy, P. Findura, F. Janík
doaj   +1 more source

Efeito de sistemas de preparo do solo e métodos de irrigação sobre a cultura do caupi em várzeas em Roraima Effect of tillage systems and irrigation methods on cowpea crop on wetland soil in Roraima

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2005
Dois experimentos foram conduzidos no Campo Experimental Bom Intento em Boa Vista, RR, de dezembro a março de 1995/96 e 1996/97, com o objetivo de se avaliar os diferentes sistemas de preparo do solo e de irrigação sobre a densidade do solo, e a cultura ...
Roberto D. de Medeiros   +2 more
doaj   +1 more source

Enhancing Irrigation Efficiency Through the Selection of Sprinkler Machine Design

open access: yesСельскохозяйственные машины и технологии, 2023
The expansion of agricultural production implies an accelerated pace of development of water supply systems in agricultural areas. Water is consumed during animal breeding, primary processing of raw materials, preparation of liquid fertilizers, for ...
R. N. Zadorozhniy, I. V. Romanov
doaj   +1 more source

IMPROVEMENT OF SYSTEMS OF TECHNICAL WATER SUPPLY WITH COOLING TOWERS FOR STEAM POWER PLANTS TECHNICAL AND ECONOMIC INDICATORS PERFECTION. Part 1

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2016
In order to reduce the temperature of cooling water and increase the efficiency of use of power resources the main directions of modernization of systems of technical water supply with cooling towers at steam power plants are presented.
Yu. A. Zenovich-Leshkevich-Olpinskiy   +2 more
doaj   +1 more source

The method of intelligent wireless sensor to improve the water permeability of permeable asphalt concrete pavement

open access: yesIET Networks, EarlyView., 2022
Abstract This research aims to study the intelligent wireless sensor to improve the water permeability of permeable asphalt concrete pavement. The water permeability of pavement is extremely important for the traffic environment. This study first briefly introduces the background and significance analysis, and then exemplifies the deployment algorithm ...
Xingmei Zhang, Cong Xu, Qi Lei
wiley   +1 more source

Testing an Automated Irrigation System Based on Leaching Fraction Testing and Weather in a Container Nursery

open access: yesHortTechnology, 2019
Irrigation scheduling in container nurseries is challenging due to the wide range of plant production conditions that must be accounted for at any given time.
Jeff B. Million, Thomas H. Yeager
doaj   +1 more source

The Prisoner Who Cried Wolf, and Then Swallowed a Sprinkler Head [PDF]

open access: yes, 2020
Case Presentation: A 37-year-old man presented from jail reporting foreign body ingestion of a sprinkler head. While initial radiography did not reveal the foreign body, subsequent imaging with computed tomography demonstrated the sprinkler head.
Finch, Jennifer   +2 more
core  

RESEARCH OF IRRIGATION QUALITY OF A NEW CENTER-PIVOT SPRINKLING MACHINE

open access: yesНаучный журнал Российского НИИ проблем мелиорации, 2019
The aim of the research was to study the quality of irrigation with a new wide-span center-pivot sprinkler. Material and Methods: the difficulty of optimizing the irrigation technique lies in the fact that the soils of Volgograd region are ...
Yu. F. Snipich   +2 more
doaj   +1 more source

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