Results 51 to 60 of about 14,604 (214)

Mine emergency broadcasting system based on Ethernet and voice compression expansion

open access: yesMeikuang Anquan
In response to the problems of coverage blind spots, short intrinsic safety power supply distance, and incomplete functions in the mine emergency broadcasting system, a set of mine emergency broadcasting system with full coverage of emergency ...
Dedong ZOU
doaj   +1 more source

Development of Multifunctional Hierarchically Restructured Antibacterial Neural Interfacing Electrodes via Plasma‐Enhanced Atomic Layer Deposition of Zinc Oxide Thin Films

open access: yesAdvanced Functional Materials, EarlyView.
ABSTRACT Next‐generation implantable neural‐interfacing devices are increasingly constrained by the coupled demands of electrode miniaturization, electrochemical performance, and implantation infection risk. Femtosecond laser–based hierarchical surface restructuring (HSR) technology has emerged as a scalable, manufacturing‐compatible platform for ...
Henna Khosla   +12 more
wiley   +1 more source

Structural Power Composites Based on High Mass Loading Zn‐Ion Hybrid Supercapacitors with Metal Mesh Current Collectors and Aramid Nanofiber/Glass Fiber Composite Electrolytes

open access: yesAdvanced Functional Materials, EarlyView.
A multifunctional structural power composite is developed by integrating high‐mass‐loading Zn‐ion hybrid supercapacitors with metal mesh current collectors and aramid nanofiber‐based composite electrolytes, enabling simultaneous load‐bearing capability and enhanced areal energy storage.
Yuseung Choi   +8 more
wiley   +1 more source

Catalytically Enhanced Near Room‐Temperature Hydrogen Sensing Using Pd‐ZnO Colloidal Crystals

open access: yesAdvanced Functional Materials, EarlyView.
Pd‐decorated ZnO colloidal crystal monolayers demonstrate excellent performance across a wide hydrogen concentration range at 33°C, with high selectivity and reproducible device fabrication. The sensors show strong responses even at low‐ppm H2 concentrations and an ultra‐low detection limit of 82 ppb, indicating their suitability for diverse hydrogen ...
Hamidah Alluhaybi   +13 more
wiley   +1 more source

A mine intrinsically safe AD hoc network base station design

open access: yesMeikuang Anquan
Aiming at the problem that the underground communication link of the mine is interrupted and the information of rescuers cannot be exchanged after the disaster, a mine intrinsically safe AD hoc network base station is designed. Based on the SDR platform,
Wenfeng LI   +4 more
doaj   +1 more source

Polymer Substrates for Flexible Sensors: Advances and Contributions to Smart Agriculture

open access: yesAdvanced Functional Materials, EarlyView.
This review comprehensively summarizes recent advances in polymer‐based flexible sensors for smart agriculture, focusing on polymer substrate design, interface engineering, and applications in soil, plant, animal, aquaculture, and post‐harvest monitoring.
Yihui Li   +12 more
wiley   +1 more source

The Psychos Are Coming, the Psychos Are Coming … They’re Already Here

open access: yesVoices in Bioethics, 2016
American director Steven Soderbergh’s Contagion wastes no time in laying out the context of his film on the contemporary interconnectedness of the earth’s inhabitants and the concomitant susceptibility to catastrophe that such relationships imply ...
Edmund Weisberg
doaj   +1 more source

Functionalizing Micro‐to‐Mesoscopic Electrode Architectures for Regulating Electron Transfer Behaviors in Electrocatalysis

open access: yesAdvanced Functional Materials, EarlyView.
A systematic review is conducted to assess the influence of electrode architecture across micro‐ to mesoscopic length scales on electron‐transfer pathways in electrocatalysis. We discuss the structure‐activity relationships in electrocatalytic applications, including resource recovery and environmental remediation, and provide cost‐effective, efficient
Manshu Zhao   +6 more
wiley   +1 more source

Design of Intrinsic Safety Current-frequency Conversion Circuit Based on PIC Single-chip Microcomputer

open access: yesGong-kuang zidonghua, 2012
In view of problem of diversity existed in signal output forms of analog sensor, an intrinsic safety current-frequency conversion circuit based on PIC single-chip microcomputer was designed.
ZHAO Guang-xu
doaj  

Optimization Method for Combination of Residual Current Protection and Coincidence Brake Logic in a Low-Voltage Distribution System

open access: yesShanghai Jiaotong Daxue xuebao
Low-voltage distribution systems frequently experience leakage current accidents. However, it is challenging to distinguish fault characteristics in abnormal operating conditions, such as electric shock to biological organisms and three-phase imbalance ...
XU Han, ZHU Sanli, ZHANG Tengfei, CHEN Shu, LIU Mingxiang
doaj   +1 more source

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