Results 11 to 20 of about 35,241 (259)

Angular momentum holography via a minimalist metasurface for optical nested encryption

open access: yesLight: Science & Applications, 2023
Metasurfaces can perform high-performance multi-functional integration by manipulating the abundant physical dimensions of light, demonstrating great potential in high-capacity information technologies. The orbital angular momentum (OAM) and spin angular
Hui Yang   +9 more
doaj   +1 more source

Novel designed mechanical-mechanochemical synergistic micro-grinding technology and compounded abrasive micro-grinding tools

open access: yesJournal of Materials Research and Technology, 2023
The mechanical and mechanochemical synergistic micro-grinding technology was proposed for grinding hard and brittle materials, especially for fused silica micro parts in this work.
Wei Li   +6 more
doaj   +1 more source

Wafer-Level Highly Dense Metallic Nanopillar-Enabled High-Performance SERS Substrates for Molecular Detection

open access: yesNanomaterials, 2023
Seeking sensitive, large-scale, and low-cost substrates is highly important for practical applications of surface-enhanced Raman scattering (SERS) technology.
Pei Zeng   +9 more
doaj   +1 more source

Resonant Metasurfaces for Spectroscopic Detection: Physics and Biomedical Applications

open access: yesAdvanced Devices & Instrumentation, 2022
Metasurfaces are ultrathin metamaterials consisting of subwavelength scatterers (e.g., meta-atoms) arranged in a specific sequence that generates low radiation losses and fantastic optical resonances. According to the electromagnetic response properties,
Cuiping Liang   +4 more
doaj   +1 more source

3D Printed Ultrastretchable, Hyper-Antifreezing Conductive Hydrogel for Sensitive Motion and Electrophysiological Signal Monitoring

open access: yesResearch, 2020
Conductive hydrogels with high stretchability can extend their applications as a flexible electrode in electronics, biomedicine, human-machine interfaces, and sensors. However, their time-consuming fabrication and narrow ranges of working temperature and
Zhaolong Wang   +5 more
doaj   +1 more source

Near-zero-adhesion-enabled intact wafer-scale resist-transfer printing for high-fidelity nanofabrication on arbitrary substrates

open access: yesInternational Journal of Extreme Manufacturing, 2023
There is an urgent need for novel processes that can integrate different functional nanostructures onto specific substrates, so as to meet the fast-growing need for broad applications in nanoelectronics, nanophotonics, and flexible optoelectronics ...
Zhiwen Shu   +7 more
doaj   +1 more source

Equivalent magnetic circuit method of estimating iron losses in induction motor spindles

open access: yesScientific Reports, 2022
The iron losses in the motor of motorized spindles have a significant effect on their heat generation, thermal deformation, and machining accuracy. The equivalent magnetic circuit (EMC) method for estimating iron losses in the spindle motor is proposed ...
Lang Lü, Wanli Xiong, Can Hu
doaj   +1 more source

Influence of Type of Grinding Stone on Rail Grinding Efficiency

open access: yesQuarterly Report of RTRI, 2011
Rail grinding using a grinding stone has long been a regular part of rail maintenance. This paper discusses the development and evaluation of a new type of high-performance grinding stone. Prototype stones were tested on a grinding test bench with rotation speed and pressing load as the bench test conditions. Grinding capacity of the new grinding stone
KANEMATSU, Yoshikazu, SATOH, Yukio
openaire   +2 more sources

Investigation of electrostatically tunable adhesion and instability of flying head slider

open access: yesFriction, 2023
The interfacial adhesion between microstructures is inevitable in a micro-electro-mechanical system (e.g., hard disk drive (HDD)), which may lead to complicated microtribodynamics problems.
Fan Zhang   +4 more
doaj   +1 more source

Study on brazed diamond grinding wheel for rail grinding

open access: yesJin'gangshi yu moliao moju gongcheng, 2022
In order to solve the problems of low grinding efficiency, easy to burn rail and large dust pollution, when grinding rail with traditional resin wheel, the feasibility of taking advantage of brazed diamond technique for preparing a new rail grinding ...
Yizi PU   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy