Results 71 to 80 of about 616,254 (272)

Removal of Natural Organic Matter Fractions by Kaolin/Fly Ash Ceramic Microfiltration Membrane in Drinking Water: Insights from a Laboratory Scale Application

Advanced Materials Interfaces, EarlyView.
The prepared ceramic membrane exhibited 28.84 µm average pore size and hydrophilic properties (≈27.4° contact angle). FTIR shows the presence of aluminol, siloxane, and hydroxyl groups and XRD confirms the presence of quartz and kaolinite phases. Separation of natural organic matter from drinking water is achieved by microfiltration at 0.25 bar and is ...
Samkeliso S. Ndzimandze, Welldone Moyo, Oranso T. Mahlangu, Adolph A. Muleja, Thabo T. I. Nkambule, Alex T. Kuvarega   +5 more
wiley   +1 more source

Resource use of crucian carp along a lake productivity gradient is related to body size, predation risk, and resource competition

Ecology of Freshwater Fish, Volume 32, Issue 1, Page 10-22, January 2023., 2023
Abstract Generalist fish species can feed on a wide resource spectrum and across trophic levels depending on resource availability and trophic interactions. Crucian carp (Carassius carassius) represents a good candidate species to investigate variation in the trophic ecology of generalist fish as it can be found in highly variable fish communities and ...
Ilaria de Meo, Kjartan Østbye, Kimmo K. Kahilainen, Brian Hayden, Marius Magnus, Antonio B. S. Poléo   +5 more
wiley   +1 more source

Methods used to assess drug prescribing and dispensing behaviours in the public and private sectors by non-professional health providers [PDF]

, 2014
In most developing countries, self-medication is common. Pharmacies, drug stores and drug shops are important providers of health advice and provision of inexpensive medicines.
Nsimba, SED
core   +2 more sources

The Environmental Emission and Climate Change Impact of Hydrogen Fuel Derived from Photocatalysis Water‐Splitting Reaction

Advanced Energy and Sustainability Research, EarlyView.
In this works, life cycle analysis (LCA) of photocatalysis hydrogen synthesis reaction based on a pilot scale system is presented. Through the LCA, it is shown that majority of the carbon emission of the process is contributed by photocatalyst synthesis process and the use of sacrificial reagent in the photocatalytic hydrogen evolution reaction ...
Chloe Nelson, Meei Mei Gui, Peter K. J. Robertson   +2 more
wiley   +1 more source

Steam caps in geothermal reservoirs can be monitored using seismic noise interferometry

Communications Earth & Environment, 2023
Harvesting geothermal energy often leads to a pressure drop in reservoirs, decreasing their profitability and promoting the formation of steam caps. While steam caps are valuable energy resources, they also alter the reservoir thermodynamics.
Pilar Sánchez-Pastor, Sin-Mei Wu, Ketil Hokstad, Bjarni Kristjánsson, Vincent Drouin, Cécile Ducrocq, Gunnar Gunnarsson, Antonio Rinaldi, Stefan Wiemer, Anne Obermann   +9 more
doaj   +1 more source

Shape of Dynamical Heterogeneities and the Stokes-Einstein and Stokes-Einstein-Debye Relations in Suspensions of Colloidal Ellipsoids

, 2014
We examine the role of shape of dynamical heterogeneities on the validity of the Stokes-Einstein (SE) and Stokes-Einstein-Debye (SED) relations in quasi-two-dimensional suspensions of colloidal ellipsoids.
Ganapathy, Rajesh, Mishra, Chandan K
core   +1 more source

BL Lac Objects in the Synchrotron Proton Blazar Model [PDF]

, 2002
We calculate the spectral energy distribution (SED) of electromagnetic radiation and the spectrum of high energy neutrinos from BL Lac objects in the context of the Synchrotron Proton Blazar Model. In this model, the high energy hump of the SED is due to
A. Mücke, Aharonian, Bednarek, Blandford, Blazejowski, Bloom, Böttcher, Caccianiga, Caccianiga, Celotti, Chiang, Dermer, Donea, Gehrels, Ghisellini, Giommi, Haswell, Henri, J.P. Rachen, Kerrick, Krennrich, Laurant-Muehleisen, Learned, Mannheim, Mannheim, Mannheim, Maraschi, Mücke, Mücke, Mücke, Mücke, Nellen, Padovani, Padovani, Perlman, Pian, Pohl, Protheroe, Protheroe, R. Engel, R.J. Protheroe, Rachen, Rachen, Sikora, Sreekumar, Stecker, T. Stanev, Taylor, Urry, Waxman, Zavala, Zavala   +51 more
core   +3 more sources

A Recent Progress on Upgrading of Furfural and Derivatives into Green Transport Fuels and Precursors via CC Coupling Reactions

Advanced Energy and Sustainability Research, EarlyView.
This review highlights recent advancements in converting lignocellulosic biomass to fuel precursors. It emphasizes the role of FUR and 2‐methylfuran in aldol condensation and hydroxyalkylation–alkylation reactions. The article discusses their efficiency, potential applications, and emerging technologies that promise cleaner and more sustainable energy ...
Errol D. Saluta, Mahlet N. Gebresillase, Jeong Gil Seo   +2 more
wiley   +1 more source

A comparative study on fatigue indicator parameters for near‐α titanium alloys

Fatigue &Fracture of Engineering Materials &Structures, Volume 46, Issue 1, Page 271-294, January 2023., 2023
Abstract Nucleation of in‐service cracks leads to detrimental consequences for structural components of near‐α titanium alloys subjected to fatigue loads. Experimental observations show that the fatigue initiation facets usually form in certain crystallographic orientation ranges of “hard” primary α grains which differ between pure and dwell fatigue ...
Yang Liu, Xiang Zhang, Caglar Oskay
wiley   +1 more source

The 3-Dimensional Structure of NGC 891 and M51

, 2012
We investigate the three-dimensional structure of the nearby edge-on spiral galaxy NGC 891 using 3D Monte Carlo radiative transfer models, with realistic spiral structure and fractally clumped dust.
Andrew Schechtman-Rook, Bianchi, Fioc, Kamphuis, Kenneth Wood, Matthew A. Bershady, Popescu, Popescu, Thomas P. Robitaille, Xilouris   +9 more
core   +1 more source