Results 61 to 70 of about 2,601,395 (215)

Water on hexagonal boron nitride from diffusion Monte Carlo [PDF]

open access: yes, 2015
Despite a recent flurry of experimental and simulation studies, an accurate estimate of the interaction strength of water molecules with hexagonal boron nitride is lacking.
Al-Hamdani, Yasmine S.   +4 more
core   +3 more sources

Water yield estimation and sedimentation control in two Volta sub-basins: tools towards integrated water resources management [PDF]

open access: yes, 2011
Small reservoirs form a major source of water supply in the Volta basin. However, sedimentation of reservoirs poses serious threats to overall water yield and storage, consequently impacting community water supplies and livelihoods.
Ba, Alassane   +4 more
core   +1 more source

Effect of stocking density of fish on water quality and growth performance of European Carp and leafy vegetables in a low-tech aquaponic system [PDF]

open access: yes, 2019
Aquaponics (AP) is a semi-closed system of food production that combines aquaculture and hydroponics and represents a new agricultural system integrating producers and consumers.
Birolo, M.   +7 more
core   +2 more sources

Evaluating Drought Vulnerability of Small Community Surface Water Supply Systems in the Midwest [PDF]

open access: yes, 2009
This report presents approaches and data availability for evaluating the drought vulnerability of small community water supply systems in the Midwest that obtain water from surface water bodies, such as rivers, streams, natural lakes, and man-made ...
Hecht, Jory S., Knapp, H. Vernon
core  

Aqueous extraction of residual oil from sunflower press cake using a twin-screw extruder: Feasibility study [PDF]

open access: yes, 2009
The objective of this study was to evaluate the feasibility of an aqueous process to extract the residual oil from sunflower press cakes using a co-rotating twin-screw extruder.
Amalia Kartika   +22 more
core   +3 more sources

Farmer response to rationed and uncertain irrigation supplies [PDF]

open access: yes
Water resource management / Water use efficiency / Evapotranspiration / Agricultural production / Irrigated farming / Irrigation scheduling / Water allocation / Water supply / Water scarcity / Water delivery / Reservoirs / Uncertainty ...
Narayanamurthy, S. G., Perry, C. J.
core  

Study of wavelength-shifting chemicals for use in large-scale water Cherenkov detectors

open access: yes, 2011
Cherenkov detectors employ various methods to maximize light collection at the photomultiplier tubes (PMTs). These generally involve the use of highly reflective materials lining the interior of the detector, reflective materials around the PMTs, or ...
A. Bernstein   +12 more
core   +2 more sources

Impact of artificial destratification on water availability of reservoirs in the Brazilian semiarid

open access: yesAnais da Academia Brasileira de Ciências
: Field surveys and integral modelling were carried out to study the effect of bubble plumes on the flow hydrodynamics and the time-evolution of water temperature profiles in a shallow lake with maximum depth of about 4 m.
IRAN E. LIMA NETO
doaj   +1 more source

Effect of water stress on yield and yield components of sunflower hybrids

open access: yesAfrican Journal of Biotechnology, 2013
A field experiment during year 2009 was conducted in the research station of the University of Tehran, College of Abouraihan in Pakdasht region, Iran. The study was aimed to investigate the effect of water stress on seed yield, yield component and some quantitative traits of four sunflower hybrids namely Azargol, Alstar, Hysun 33 and Hysun 25 under ...
Alahdadi, I, Oraki, H, khajani, FP
openaire   +2 more sources

Plant Accessible Water Storage Capacity and Tree-Scale Root Interactions Determine How Forest Density Reductions Alter Forest Water Use and Productivity

open access: yesFrontiers in Forests and Global Change, 2019
Forest disturbances such as wildfire and drought-related disease often lead to declines in productivity that both influence and are influenced by forest water use, particularly in the semi-arid environments of the Western US.
Christina L. Tague   +2 more
doaj   +1 more source

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