Results 81 to 90 of about 289,208 (335)

Conductive Polymer Coatings Control Reaction Selectivity in All‐Iron Redox Flow Batteries

open access: yesAdvanced Materials, EarlyView.
Aqueous redox flow batteries are limited by the competing hydrogen evolution reaction (HER) at their negative electrodes. In this work, conductive polymers are conformally coated on porous carbonaceous electrodes to improve the reaction selectivity of hybrid all‐iron redox flow batteries.
Emre B. Boz   +3 more
wiley   +1 more source

Action Research on Constructing a Welfare Pluralism System for the Elderly with Dementia: Taking the Elderly Health Social Work Service of Beijing X Hospital as an Example [PDF]

open access: yesZhongguo quanke yixue
In the context of population ageing, the number of elderly patients with dementia is increasing day by day. This disease seriously affects the quality of life of the elderly and causes huge burdens and pressures on families and society.
DU Jin, ZHANG Hongyu, QIAO Yuchen, LIU Yifan, LI Luling
doaj   +1 more source

Information access representations and social capital in networks [PDF]

open access: yesarXiv, 2020
Social network position confers power and social capital. In the setting of online social networks that have massive reach, creating mathematical representations of social capital is an important step towards understanding how network position can differentially confer advantage to different groups and how network position can itself be a source of ...
arxiv  

Van Der Waals Hybrid Integration of 2D Semimetals for Broadband Photodetection

open access: yesAdvanced Materials, EarlyView.
Advanced broadband photodetector technologies are essential for military and civilian applications. 2D semimetals, with their gapless band structures, high mobility, and topological protection, offer great promise for broadband PDs. This study reviews the latest advancements in broadband PDs utilizing heterostructures that combine 2D semimetals with ...
Xue Li   +9 more
wiley   +1 more source

Social construction of local/regional capital - methodology

open access: yesAgricultural Economics (AGRICECON), 2004
The starting point for identifying environmental, social and cultural capitals in rural areas is integrated research based on methodological interconnection between quantitative and qualitative investigation. The sorts of capital are constructed by means
S. Hubík
doaj   +1 more source

Responsive Molecules for Organic Neuromorphic Devices: Harnessing Memory Diversification

open access: yesAdvanced Materials, EarlyView.
Responsive molecules are essential for organic in‐sensor computing devices. This Review highlights recent advances in thedesign, synthesis, and incorporation of electrically, optically, and magnetically responsive molecules in multifunctional synaptic perception devices endowedwith both nonvolatile and volatile memory diversification. By exploiting the
Yusheng Chen   +4 more
wiley   +1 more source

Exploring the Relationship between Membership Turnover and Productivity in Online Communities [PDF]

open access: yesarXiv, 2014
One of the more disruptive reforms associated with the modern Internet is the emergence of online communities working together on knowledge artefacts such as Wikipedia and OpenStreetMap. Recently it has become clear that these initiatives are vulnerable because of problems with membership turnover.
arxiv  

Advanced Air Electrodes for Reversible Protonic Ceramic Electrochemical Cells: A Comprehensive Review

open access: yesAdvanced Materials, EarlyView.
Reversible protonic ceramic electrochemical cells (R‐PCECs) face challenges from sluggish and unstable oxygen reduction and evolution reactions in the air electrode. This review discusses recent progress in triple‐conducting air electrodes, emphasizing mechanisms, performance factors, and design strategies, offering guidance for creating efficient and ...
Xi Chen   +8 more
wiley   +1 more source

The influence of natural disasters and multiple natural disasters on self-harm and suicidal behaviour: findings from a nationally representative cohort study of Australian adolescents

open access: yesSSM: Population Health
Few studies have examined the relationship between exposure to natural hazards and suicide and self-harm in youth. We extend prior research by investigating the association between multiple disasters and the risks of self-harm and suicide longitudinally ...
Ben Edwards   +2 more
doaj  

Recent Advances in Wide‐Bandgap Perovskite Solar Cells

open access: yesAdvanced Materials, EarlyView.
Ubiquitous defects predominately account for photo‐instability and open‐circuit voltage losses in wide‐bandgap perovskite solar cells (WBG PSCs). This review comprehensively presents the underlying impact mechanisms, summarizes the advanced optimization strategies across various functional layers and their interfaces to develop efficient and stable WBG
Jianjun Mei, Feng Yan
wiley   +1 more source

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