Results 151 to 160 of about 297,134 (338)

Assessment of the transportation of abandoned mine water contaminants to the surrounding aquifers: a case of Mlolongo open-pit lake, Kenya

open access: yesDiscover Water
This study investigated water quality and modelled potential transportation of contaminants from the abandoned mine to the surrounding aquifers, providing a comprehensive assessment of the impacts of post-mining activities on groundwater.
Ronnice Chepkoech   +2 more
doaj   +1 more source

IMPROVING THE METHOD OF OPEN-PIT LIGNITE DEPOSITS DEVELOPMENT IN UKRAINE [PDF]

open access: yes, 2018
Subject of the research is open-pit mining concerning a full- field industrial development of a number of lignite deposits; feasibility study has been performed for them as for the efficient environmental friendly processing of coal and associated ...
Adamchuk, A.A.   +11 more
core  

Microplastics from Wearable Bioelectronic Devices: Sources, Risks, and Sustainable Solutions

open access: yesAdvanced Functional Materials, EarlyView.
Bioelectronic devices (e.g., e‐skins) heavily rely on polymers that at the end of their life cycle will generate microplastics. For research, a holistic approach to viewing the full impact of such devices cannot be overlooked. The potential for devices as sources for microplastics is raised, with mitigation strategies surrounding polysaccharide and ...
Conor S. Boland
wiley   +1 more source

Roll‐to‐Roll Mechanical Exfoliation for Large‐Area van der Waals Films with Preserved Crystallographic Alignment

open access: yesAdvanced Functional Materials, EarlyView.
A roll‐to‐roll exfoliation method is demonstrated that preserves the crystallographic alignment of anisotropic 2D materials over large areas, enabling scalable fabrication of directional electronic and optoelectronic devices. Abstract Anisotropic 2D materials such as black phosphorus (BP), GeS or CrSBr, exhibit direction‐dependent optical and ...
Esteban Zamora‐Amo   +14 more
wiley   +1 more source

Accelerated lifetime of Ti/RuO2 electrodes in environments with high concentrations of ammonia, chloride and organic matter

open access: yesDiscover Chemical Engineering
Electrooxidation has proven to be an efficient technique for treating effluents containing ammoniacal nitrogen and organic matter. In the present study, electrooxidation trials were conducted with an ammoniacal effluent generated at a fertilizer depot ...
Flávio de A. Lemos   +4 more
doaj   +1 more source

Spectrally Tunable 2D Material‐Based Infrared Photodetectors for Intelligent Optoelectronics

open access: yesAdvanced Functional Materials, EarlyView.
Intelligent optoelectronics through spectral engineering of 2D material‐based infrared photodetectors. Abstract The evolution of intelligent optoelectronic systems is driven by artificial intelligence (AI). However, their practical realization hinges on the ability to dynamically capture and process optical signals across a broad infrared (IR) spectrum.
Junheon Ha   +18 more
wiley   +1 more source

The Effect of Amino Acids on the Formation of Amorphous Calcium Carbonate Nanoparticles

open access: yesAdvanced Functional Materials, EarlyView.
Biomineral formation often proceeds via the assembly of amorphous calcium carbonate (ACC) nanoparticles with narrow size distributions. Using in situ SAXS coupled to a stopped‐flow device, we follow synthetic ACC formation with a 10 ms time resolution and show that amino acids narrow the size distribution at low supersaturation, highlighting their key ...
Lucas Kuhrts   +10 more
wiley   +1 more source

Feasibility study on manganese nodules recovery in the Clarion-Clipperton Zone

open access: yes, 2012
The sea occupies three quarters of the area on the earth and provides various kinds of resources to mankind in the form of minerals, food, medicines and even energy.
Agarwal, Baivau   +4 more
core  

Nutrient recovery from digestates : techniques and end-products [PDF]

open access: yes, 2012
In nitrate vulnerable zones application of animal manure to land is limited. Digestate from anaerobic digestion plants competes with manure for nutrient disposal on arable land, which forms a serious hinder for the biogas sector to develop in these ...
Accoe, Frederik   +5 more
core   +1 more source

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