Results 21 to 30 of about 11,531 (219)

Índices bioclimáticos e produtivos em diferentes galpões avícolas no semiárido paraibano Bioclimatic and production parameters in different poultry houses in the semiarid region of Paraiba State

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2010
Objetivou-se, com este trabalho, analisar os efeitos ambientais sobre o desempenho produtivo de frangos de corte comerciais, criados em dois aviários, localizados na região semiárida paraibana, em condições de verão, sendo um com cobertura de telha de ...
Herlúcio P. da Rocha   +3 more
doaj   +1 more source

Study on the difference of water-bearing capacity of fault-controlled dolomites in Dengying Formation of a mining area in central Guizhou and its significance of water control

open access: yesCarsologica Sinica, 2023
The central region of Guizhou Province enjoys global fame of its areas with large-scale production rich in phosphorus. For a long time, the phosphate rock resources in this area have provided a reliable guarantee for the domestic economic development. At
Gang XIANG   +4 more
doaj   +1 more source

Exploring interfacial solar evaporation heat transfer mechanisms of photothermal solar still systems

open access: yesCase Studies in Thermal Engineering
The growing global demand for freshwater, coupled with the scarcity of freshwater resources and the environmental concerns associated with fossil fuel-based water desalination, necessitates innovative approaches to freshwater production.
Milad Haghighat   +3 more
doaj   +1 more source

A review on investigation of water-preserved coal mining in western China

open access: yesInternational Journal of Coal Science & Technology, 2018
Yushenfu mining area is located in an ecological fragile area in western China, the coal seam of which is the Jurassic Yan’an Formation. The Jurassic Yan’an Formation contains five minable coal seams, the top layer of which is thick, covered by shallow ...
Limin Fan, Xiongde Ma
doaj   +1 more source

An urban ecohydrological model to quantify the effect of vegetation on urban climate and hydrology (UT&C v1.0) [PDF]

open access: yesGeoscientific Model Development, 2020
Increasing urbanization is likely to intensify the urban heat island effect, decrease outdoor thermal comfort, and enhance runoff generation in cities.
N. Meili   +19 more
doaj   +1 more source

Cool Kitchen: Processing Starch and Eggshell Powder into Sustainable Coatings for Passive Daytime Cooling

open access: yesAdvanced Functional Materials, EarlyView.
A food‐grade cooling composite made from starch and recycled eggshell powder offers a scalable, ultra‐low‐cost solution for passive daytime radiative cooling. Easily prepared using basic kitchen tools, this material empowers communities, even in areas with limited infrastructure, to stay cooler during worsening summer heat waves.
Qimeng Song   +3 more
wiley   +1 more source

Study on Hydrogeochemical Characteristics of Deeply Buried Mining Area in Inner Mongolia-Shaanxi Province, China

open access: yesLithosphere, 2022
This paper adopted organic components, environmental isotopes, and organic components to study water quality comprehensively, in order to distinguish the differences of hydrogeochemical characteristics between coal measure strata and aquifers on the roof
Yang Liu   +9 more
doaj   +1 more source

Metamaterial Antennas Enhance MRI of the Eye and Occipital Brain

open access: yesAdvanced Materials, EarlyView.
A radiofrequency antenna platform comprising planar and bend configurations is developed, incorporating structurally integrated epsilon‐negative metamaterial unit cells to enhance MRI. These antennas enable high‐resolution in vivo human MRI of the eye, orbit, and occipital brain. Comprehensive validation, including simulations, phantom experiments, SAR,
Nandita Saha   +14 more
wiley   +1 more source

GORODNYA – KYIV DEFENSIVE WALLS IN IX–XIII CENTURIES. PART THREE. ZABOROLA (UPPER PART OF A FORTRESS WALL)

open access: yesМісто: історія, культура, суспільство, 2017
In the article, the author continues to investigate questions about the structural and functional features of the defence structures of the city of Kyiv in the IX-XIII centuries.
Vadym Lukianchenko
doaj   +1 more source

Deformation Driven Suction Cups: A Mechanics‐Based Approach to Wearable Electronics

open access: yesAdvanced Science, EarlyView.
Deformation‐driven suction cups enable robust, reversible adhesion of wearable electronics to human skin spanning wide mechanical compliance, without adhesives or tight straps. By integrating mechanics modeling, experiments, and contact mechanics theory, this work reveals how cup geometry, substrate compliance, and interfacial adhesion govern suction ...
Seola Lee   +10 more
wiley   +1 more source

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