Results 161 to 170 of about 70,843 (305)

Auto‐Generated Valence States in Electrocatalysts for Boosting Oxygen and Hydrogen Evolution Kinetics in Alkaline Water/Alkaline Seawater/Simulated Seawater/Natural Seawater

open access: yesAdvanced Functional Materials, EarlyView.
This review systematically highlights the latest achievements in mixed‐valence states relevant to hydrogen and oxygen evolution reactions, providing essential insights into future directions and methods for large‐scale practical implementation. This critical review is expected to provide an overview of recent advancements in diverse valence‐state metal
Jitendra N. Tiwari   +4 more
wiley   +1 more source

STUDY ON MESHING CHARACTERISTICS AND FATIGUE LIFE OF CYCLOIDAL SPUR GEARS WITH LOW SLIDING RATE

open access: yesJixie qiangdu
In order to improve the transmission performance of gears,a low sliding rate cycloidal spur gear based on the meshing line principle was presented.Firstly,the equations of gear sub tooth profile and transition curve were derived from the gear meshing ...
XU JianMin   +4 more
doaj  

Performance and Security of Wireless Mesh Networks

open access: yes, 2009
The thesis aims to find issues that may affect the performance of meshed wireless networks. There is no denying the fact that out of the wireless technologies being used in today’s environment, the wireless meshed technology is one of the most advanced and can be viewed as the technology of the future.
Mynampati, Vittal Reddy   +3 more
openaire   +1 more source

SI‐bioATRP in Mesoporous Silica for Size‐Exclusion Driven Local Polymer Placement

open access: yesAdvanced Functional Materials, EarlyView.
An enzyme‐catalyzed surface‐initiated atom transfer radical polymerization (SI‐bioATRP) of an anionic monomer within mesoporous silica particles, using hemoglobin as a catalyst, allows for controlling the location of the formed polymer via size‐exclusion effects between the nanopores and the biomacromolecules, thereby opening routes to functional ...
Oleksandr Wondra   +8 more
wiley   +1 more source

Performance study of WiMAX mesh networks

open access: yes, 2008
The aim of this report is to study the performance of Mesh Networks over IEEE Standard 802.16 Medium Access Control (MAC) Layer. IEEE Standard 802.16 is a Wireless Metropolitan Area Network (WMAN) technology that can connect different IEEE 802.11 networks. Mesh networks consist of static nodes communicating with each other over wireless links.
openaire   +1 more source

Circular‐Polarization‐Sensitive Organic Photodetectors with a Chiral Nanopatterned Electrode Inverse‐Designed by Genetic Algorithm

open access: yesAdvanced Functional Materials, EarlyView.
A chiral photodetector capable of selectively distinguishing left‐ and right‐handed circularly polarized light is experimentally demonstrated. The device, which features a nanopatterned electrode inverse‐designed by a genetic algorithm within a metal–dielectric–metal nanocavity that incorporates a vacuum‐deposited small‐molecule multilayer, exhibits ...
Kyung Ryoul Park   +3 more
wiley   +1 more source

Research on Calculation and Simulating Analysis of Cycloidal Pin Wheel Meshing Stiffness

open access: yesJixie chuandong
In order to further improve the load-bearing performance of the RV reducer, a force analysis is conducted on the cycloidal pin wheel pair, regarding the contact stress and meshing stiffness of the cycloidal pin wheel as the research objective functions ...
Su Jianxin   +5 more
doaj  

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