Results 131 to 140 of about 15,950 (301)

Beyond Presumptions: Toward Mechanistic Clarity in Metal‐Free Carbon Catalysts for Electrochemical H2O2 Production via Data Science

open access: yesAdvanced Materials, EarlyView.
Metal‐free carbon catalysts enable the sustainable synthesis of hydrogen peroxide via two‐electron oxygen reduction; however, active site complexity continues to hinder reliable interpretation. This review critiques correlation‐based approaches and highlights the importance of orthogonal experimental designs, standardized catalyst passports ...
Dayu Zhu   +3 more
wiley   +1 more source

Rare case of impalement of two occupants of a vehicle

open access: yesChinese Journal of Traumatology, 2012
【Abstract】 Thoracic impalement injuries are very rare and the majority of patients do not survive to reach a medical care facility. In this case report, we describe the successful outcome of a case of double thoracic impale-ment by two steel tors, of ...
Singhal Maneesh   +5 more
doaj  

Meat Grinder Injury to the Hand: Serial Cases [PDF]

open access: yes, 2012
Introduction.Although meat grinder injury to the hand is not a common case, it causes a wide spectrum of injuries that result not only in tremendous physical and emotional pain but also substantial economic impact as well.Case presentation.Three ...
Lubis, N. R. (Nur)
core  

Review of Thin Lithium Metal Battery Anode Fabrication – Microstructure – Electrochemistry Relations

open access: yesAdvanced Materials, EarlyView.
Thin, lightweight lithium‐metal anodes are pivotal for practical high‐energy batteries. This review surveys processing routes that convert diverse Li precursors, e.g., ingots, melts, solutions, and vapor, into Li‐rich foils with controlled thickness, areal density, and tailored functionality.
Yuhang Hu   +6 more
wiley   +1 more source

Ultrafast Terahertz Field Control of the Emergent Magnetic and Electronic Interactions at Oxide Interfaces

open access: yesAdvanced Materials, EarlyView.
Intense single‐cycle THz electric‐field pulses enable ultrafast control of emergent electronic and magnetic states at LaNiO3/CaMnO3 interfaces. Combined X‐ray and optical probes reveal sub‐picosecond demagnetization driven by spin‐polarized currents and slower magnetoelastic dynamics linked to spin–lattice coupling.
Abigail M. Derrico   +15 more
wiley   +1 more source

Research of the Temperature and Humidity Processes in the Air Conditioning Apparatus Varying Air Ion Concentration [PDF]

open access: yesProblems of the Regional Energetics, 2015
To create comfortable conveniences for people in the room, we have to process the indoor air in the AC apparatus. Depending on given air parameters in the room, the air processing comprises the next steps: heating, cooling, wetting, drying.
Marchenko V. G.
doaj  

Challenges of II‐VI and III‐V Blue Quantum Dot Light‐Emitting Diodes

open access: yesAdvanced Materials, EarlyView.
Blue‐emitting electroluminescent quantum dot light‐emitting diodes (QD‐LEDs) face critical challenges that limit their practical application, including short operational lifetimes, low color purity, broad spectral linewidths, and unpredictable transient effects like blinking and positive aging.
Shaun Tan   +3 more
wiley   +1 more source

Вплив тривожності за дитину під час вагітності на психо-емоційний розвиток дитини в неонатальному періоді [PDF]

open access: yes, 2015
Накопичені в літературі дані свідчать про те, що поведінка матері під час вагітності, її емоційні стреси служать причиною виникнення різних форм дитячої патології (неврози, тривожні стани, тощо), відставання в розумовому розвитку та інших патологічних ...
Супрунова, Т.В.   +1 more
core   +1 more source

Heterogenized Copper(II) Phenanthroline Catalysts for Electroreduction of CO2 to C2 Compounds: Substitution on the Ligand Causes Structural Changes to the Molecular Framework and Stability Enhancement

open access: yesAdvanced Materials, EarlyView.
Based on a previously reported binuclear Cu(II) phenanthroline catalyst, a structurally modified version with enhanced stability for electrochemical reduction of CO2 is developed. The second‐generation system allows for stable operation in an MEA electrolyzer with a Faradaic efficiency of >70% for C2 products at elevated current densities.
Na Liu   +12 more
wiley   +1 more source

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