Results 121 to 130 of about 17,959 (285)

H2S‐Amplified “Three‐in‐One” Antibacterial Strategy for Periodontitis Treatment Using a Photosensitive Pillararene‐Embedded COF/MOF Hybrid

open access: yesAdvanced Science, EarlyView.
The integration of ROS‐generating systems with H2S depletion strategies effectively overcomes the limitations imposed by endogenous antioxidant defenses on ROS‐based antimicrobial therapies. In this study, the Cu‐MOF is incorporated into pillararene‐embedded COF, achieving a “three‐in‐one” antimicrobial effect that markedly alleviated periodontal ...
Shuang Liang   +9 more
wiley   +1 more source

Trace Ru‐Doped PtCuRu@PtRu Core‐Shell Electrocatalyst for CO‐Resilient Methanol Oxidation

open access: yesAdvanced Science, EarlyView.
We engineered a trace Ru‐doped PtCuRu@PtRu core‐shell nanostructure. This design exploits lattice mismatch‐induced compressive strain between the PtCuRu ternary core and trace Ru‐doped Pt‐rich shell, systematically downshifting the Pt d‐band center to weaken *CO adsorption energetics.
Tianrui Xue   +7 more
wiley   +1 more source

Mn‐Induced Support Stabilization and Ir Electronic Activation Enable Acid‐Stable, Low‐Loading IrO2 Water Oxidation

open access: yesAdvanced Science, EarlyView.
This study introduces a dual‐regulation strategy utilizing a Mn‐doped Co3O4 support to enhance the activity and stability of low‐loading IrO2 catalysts for acidic water oxidation. Mn induces strong Mn─O covalency to reinforce the spinel lattice and activates Ir sites via interfacial electron transfer.
Zhe Liu   +13 more
wiley   +1 more source

Electrokinetic in situ leaching of U from low-permeability uranium ore

open access: yesNuclear Engineering and Technology
In this study, the impacts of electrokinetic in situ leaching of uranium (EK-ISLU) on the pore structure and connectivity of the low-permeability uranium ore and its leaching efficiency were investigated.
Chunguang Li   +5 more
doaj   +1 more source

THE EVALUATION OF SUPERGENE COPPER DEPOSITS FOR IN SITU LEACHING.

open access: yes, 1982
Copper from dump, heap, and in situ leaching accounts for about 15% of United States copper production. In situ leaching is the least understood and most difficult to evaluate of these leaching methods.
HACKMAN, DAVID BRENT.
core  

V2CTx MXene as a Sacrificial Promoter for NiFe Catalyst for Anion Exchange Membrane Electrolyzers

open access: yesAdvanced Science, EarlyView.
These findings demonstrate that V2CTx functions beyond passive conductive support as an active electronic participant whose structural legacy sustains durable performance even after vanadium leaching in Anion Exchange Membrane (AEM) Electrolysers. ABSTRACT Nickel‐iron layered double hydroxides (NiFe‐LDH) show excellent activity, their poor conductivity
Bastian Schmiedecke   +12 more
wiley   +1 more source

Effect of Leaching on Particle Migration and Pore Structure of Ionic Rare Earth Ores with Different Fine Particle Contents

open access: yesMetals
In in situ leaching, fine particles can be stripped and transported with the leach solution, significantly altering the particle size distribution and pore structure of each layer of the rare earth ore body.
Yunzhang Rao   +7 more
doaj   +1 more source

Mixed‐Coordination Electrolytes With Molecular Additives for Robust Interphases in High‐Voltage Rechargeable Magnesium Batteries

open access: yesAdvanced Science, EarlyView.
A mixed‐coordination electrolyte (MCE) combined with a molecular additive (MCE‐MA) promotes pseudo ion pair (pIP) formation within a solvent‐separated ion pair (SSIP)–rich environment, enabling a robust interphase that significantly improves the cycle performance of high‐voltage rechargeable magnesium batteries (RMBs).
Dedy Setiawan, Toshihiko Mandai
wiley   +1 more source

Analysis of Pore Structure Evolution and Leaching Effectiveness in Ore Granular Materials During Stope Leaching

open access: yesMetals
In situ stope leaching is an economically and environmentally friendly metal recovery method suitable for low-grade copper ores, with the internal temperature of the deposit typically ranging from 30 to 45 °C.
Kun Liu, Deqing Gan, Zhenlin Xue
doaj   +1 more source

Hydrometallurgical extraction of platinum group metals from a low-grade ore concentrate

open access: yes, 2009
Includes bibliographical references (leaves 143-153).The aim of this study is to investigate the economic and technical feasibility of processing platinum group metals (PGMs) and base metals (BMs) from a low-grade ore concentrate produced in the ...
Mwase, James Malumbo
core  

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