Results 111 to 120 of about 24,495 (308)
Advanced Materials, EarlyView.This project developed a smart bandage‐like patch (a microneedle array) for repairing diabetic bone damage. It intelligently senses signals from infection and inflammation, then releases its medicines in a specific, timed sequence: first an antibacterial agent, then an anti‐inflammatory agent, and finally growth factors.
Yu Wang +10 more
wiley +1 more source
Estimates of the bistable region in metal cutting
, 2008 The classical model of regenerative vibration is investigated with new kinds of nonlinear cutting force characteristics. The standard nonlinear characteristics are subjected to a critical review from the nonlinear dynamics viewpoint based on the ...
Dombovari, Zoltan +4 more
core +1 more source
Advanced Materials, EarlyView.Asymmetric localized electron distribution has been optimized in covalent organic frameworks to enhance *O2 adsorption and facilitate charge transfer, boosting photocatalytic two‐electron transfer oxygen reduction toward H2O2 production from water and air.
Qinglan Zhao +12 more
wiley +1 more source
Measuring Vibration in the Air Slide Tables of Ultra Precision Machines With the Different Number of Air Pockets [PDF]
International Journal of Advanced Design and Manufacturing Technology, 2009 Vibration in the air slide tables of ultra precision machines prevents gaining accuracies within nanometer level. In this work, dissimilar types of internal vibration including small vibrations and pneumatic hammers have been tested and some measures ...
Mehrdad Vahdati, Sayed AliReza Rasouli
doaj
Photocatalytic Water Splitting on the Lunar Surface: Prospects for In Situ Resource Utilization
Advanced Materials Interfaces, EarlyView.Water has been found in craters on the moon nearby locations which are illuminated >80% of the time. Photocatalysis uses energy from sunlight to drive chemical reactions such as water splitting to produce oxygen and hydrogen. It is a scalable technology that requires lighter equipment and utilizes resources available on the moon. ABSTRACT The discovery
Ranjani Kalyan +6 more
wiley +1 more source
Numerical Study on Pulse Flow Characteristics of Reflux Self-excited Oscillator
Shiyou jixie, 2022 The pulse jet produced by self-excited oscillator excites and vibrates the drill string and converts the static friction between drill string and borehole wall into the dynamic friction,reducing the friction dynamically.In order to reduce the frequency ...
Zhang Jingyue +5 more
doaj
Intelligent Learning Algorithms for Active Vibration Control
, 2007 YesThis correspondence presents an investigation into the comparative performance of an active vibration control (AVC) system using a number of intelligent learning algorithms.
Dahal, Keshav P. +2 more
core +1 more source
Thermal Radiation Emission From 3D Graphene Networks
Advanced Materials Interfaces, EarlyView.Three‐dimensional graphene networks are demonstrated as exceptional broadband thermal emitters, exhibiting high‐intensity, spectrally homogeneous emission and strong mechanical flexibility compared to conventional emitters like silicon carbide.
Maria Chiara Paolozzi +7 more
wiley +1 more source
Preliminary design of a test rig for combining passive nonlinear isolation with active control
, 2012 Resilient elements are typically used to isolate delicate equipment from a vibrating host structure. Conventionally, these isolators are designed to operate in their linear region, but more recently nonlinear isolators have been employed to increase the ...
Waters, T.P., Rustighi, E., Ab Rahim, M.
core
Effect of Fire on Self-Excited Vibration Characteristic of Composite Beams of the Overall Structure
, 2011 The study shows that, the vibration of structures and members has very obvious self-excited vibration characteristic under the action of fire. Random signals for acceleration distribution of composite beams of the overall structure under the action of ...
Jian Dong Sun, Jun Li Lv, Yu Li Dong
core +1 more source