Results 51 to 60 of about 326,261 (358)

Chemical Characteristics and Quality Evaluation of Groundwater in Beichuan River Basin in Qinghai Province

open access: yesShuitu baochi tongbao, 2022
[Objective] The chemical characteristics of groundwater in Beichuan River basin were analysed, and groundwater quality was evaluated objectively from the perspective of resource attributes of groundwater in order to provide data support for regional ...
Zhu Liang   +6 more
doaj   +1 more source

Hydrology of conflicts over shallow groundwater use and management in low coral islands [PDF]

open access: yes, 2002
Groundwater is the major freshwater source in coral islands. Its availability, quality, and management are central to sustainable development and poverty alleviation. Increasing populations, growing per capita demand and restricted land areas limit water
Crennan, L.   +7 more
core  

Heteroatom‐Engineering Promoted Co9S8 Bi‐functional Electrocatalyst for Hydrazine‐Assisted Hydrogen Production at Industrial Current Density

open access: yesAdvanced Functional Materials, EarlyView.
Fe and P co‐doped Co9S8 nanocorals (Fe, P‐Co9S8) are successfully synthesized by a heteroatom engineering strategy, which exhibit outstanding bifunctional electrocatalytic performance for both the hydrogen evolution reaction (HER) and hydrazine oxidation reaction (HzOR).
Yuying Meng   +8 more
wiley   +1 more source

Spatial mapping of groundwater quality in the municipality of Santa Ignacia, Tarlac, Philippines

open access: yesApplied Water Science, 2021
The municipality of Santa Ignacia in the Province of Tarlac is highly dependent on groundwater as its major water supply for various purposes, but there is inconsistency in monitoring groundwater quality in the area which may impact the health of ...
Jessamine Gail M. Inson   +2 more
doaj   +1 more source

Facet‐Engineered S‐Scheme Heterostructure With Enhanced Active Sites for Efficient Photocatalytic Degradation of Organic Contaminants

open access: yesAdvanced Functional Materials, EarlyView.
The facet‐engineered ZnO/Zn3In2S6 heterostructure, dominated by {001} plane coupling, exposes abundant unsaturated Zn sites with elongated Zn─O bonds, directing photoexcited charge carriers along an S‐scheme pathway and suppressing recombination. Enhanced interfacial Zn adsorption toward bisphenol A and methylene blue further synergistically promotes ...
Yang Yang   +6 more
wiley   +1 more source

Contrasting lacustrine groundwater discharge in two small perennial lakes around dried-up Chahannaoer Lake, Northern China

open access: yesJournal of Hydrology: Regional Studies
Study region: Chahannaoer Lake, the largest inland saline lake in northern China, is vital for biodiversity conservation but has been dried-up in recent years.
Rui Xu   +6 more
doaj   +1 more source

Groundwater quality mapping in urban groundwater using GIS

open access: yesEnvironmental Monitoring and Assessment, 2008
Konya City, located in the central part of Turkey, has grown and urbanized rapidly. A large amount of the water requirement of Konya City is supplied from groundwater. The quality of this groundwater was determined by taking samples from 177 of the wells within the study area.
Nas, Bilgehan, Berktay, Ali
openaire   +2 more sources

User guide : Groundwater Vulnerability (Scotland) GIS dataset. Version 2 [PDF]

open access: yes, 2011
This report describes a revised version (Version 2) of the groundwater vulnerability (Scotland) digital dataset produced by the British Geological Survey (BGS).
Doce, D.D.   +3 more
core  

Rational Design of Optical Single‐Walled Carbon Nanotube‐Based Nanosensors with Biological Recognition Elements

open access: yesAdvanced Sensor Research, EarlyView.
This Review focuses on assessing and providing perspective on the field of rationally‐designed optical sensors constructed with single‐walled carbon nanotubes. The literature is reviewed and evaluated for SWCNT‐based sensors constructed with biomolecular recognition elements, including proteins, peptides, and oligonucleotides, as well as their methods ...
Amelia K. Ryan   +4 more
wiley   +1 more source

Ecosystem‐Centered Robot Design: Toward Ecoresorbable Sustainability Robots (ESRs)

open access: yesAdvanced Science, EarlyView.
Robots exploring natural ecosystems can support monitoring and conservation, but must adopt ecosystem‐centered design to avoid pollution, waste, and damage. This review proposes guidelines for co‐designing ecoresorbable sustainability robots (ESRs), uniting materials, robotics, and ecological contexts in a single framework.
Tülin Yılmaz Nayır   +4 more
wiley   +1 more source

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