Results 81 to 90 of about 219,538 (339)

A Columbia River Basalt Group Aquifer in Sustained Drought: Insight from Geophysical Methods

open access: yesResources, 2015
Aquifers within the Columbia River Basalt Group (CRBG) provide a critical water supply throughout much of the Pacific Northwest of the United States. Increased pumping has resulted in water level declines in this region. Recharge into this aquifer system
Mark W. Piersol, Kenneth F. Sprenke
doaj   +1 more source

Fast recharge circuit for q-switched lasers [PDF]

open access: yes, 1973
Cavity-dumped lasers employ electrooptic-effect cell to alternately block and release laser pulse. Cell requires high-speed switching circuit that can apply and remove high voltage.
Hansen, R. L.
core   +1 more source

Groundwater reinjection and heat dissipation: lessons from the operation of a large groundwater cooling system in Central London [PDF]

open access: yes, 2015
The performance of a large open-loop groundwater cooling scheme in a shallow alluvial aquifer at a prominent public building in Central London has been monitored closely over its first 2 years of operation.
Birks, D.   +6 more
core   +1 more source

Recharge

open access: yes, 2021
Recharge är en laddstation för elbilar med lokalproducerad el och en mötesplats för lokala och regionala aktörer att samlas, nätverka och utöva sina småskaliga verksamheter på. Projektet grundar sig i en undersökning av motorvägens roll på landsbygden. I undersökningen kartlades även småskaliga verksamheter inom matproduktion i området.
openaire   +1 more source

Engineered Protein‐Based Ionic Conductors for Sustainable Energy Storage Applications

open access: yesAdvanced Materials, EarlyView.
Rational incorporation of charged residues into an engineered, self‐assembling protein scaffold yields solid‐state protein films with outstanding ionic conductivity. Salt‐doping further enhances conductivity, an effect amplified in the engineered variants. These properties enable the material integration into an efficient supercapacitor.
Juan David Cortés‐Ossa   +14 more
wiley   +1 more source

Kinematic diffusion approach to describe recharge phenomena in unsaturated fractured chalk

open access: yesJournal of Hydrology and Hydromechanics, 2017
When dealing with groundwater resources, a better knowledge of the hydrological processes governing flow in the unsaturated zone would improve the assessment of the natural aquifer recharge and its vulnerability to contamination.
Pastore Nicola   +2 more
doaj   +1 more source

Cost Effectiveness of Rainwater Harvesting for Groundwater Recharge in Micro-Watersheds of Kolar District of India: The Case Study of Thotli Micro-Watershed [PDF]

open access: yes
This study has estimated the supply augmentation of groundwater recharge due to creation of water harvesting structures and has assessed the cost-effectiveness of rainwater harvesting for groundwater recharge on watershed basis in one of the sub ...
Basavaraj, G.   +4 more
core   +1 more source

Impact of potential climate change on plant available soil water and percolation in the Upper Danube basin [PDF]

open access: yes, 2010
The soil root zone of the land surface provides plants with water for transpiration and therefore biomass production and its excess water percolates downwards and ultimately recharges the groundwater aquifers.
Heinzeller, Christoph   +2 more
core   +1 more source

Polyimide‐Linked Hexaazatriphenylene‐Based Porous Organic Polymer with Multiple Redox‐Active Sites as a High‐Capacity Organic Cathode for Lithium‐Ion Batteries

open access: yesAdvanced Materials, EarlyView.
A high‐capacity polyimide‐linked porous organic polymer (HAT‐PTO) incorporating numerous redox‐active centers is synthesized via a hydrothermal reaction, delivering a high theoretical capacity of 484 mAh g−1. In situ hybridization with carboxyl‐functionalized multiwalled carbon nanotubes enhances conductivity and stability, achieving 397 mAh g−1 at C ...
Arindam Mal   +7 more
wiley   +1 more source

A Study of Sensitive Fault Detection for Lithium-Ion Batteries Being Recharged Using Support Vector Machine Classifier and Receiver Operating Characteristics

open access: yesApplied Sciences
Several installations equipped with lithium-ion batteries may require additional precautions. While lithium-ion batteries offer good performance relative to other rechargeable batteries, their state of health should be monitored.
Seçkin Açıcı, Abdulhakim Karakaya
doaj   +1 more source

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