Results 1 to 10 of about 1,654,621 (153)

Cation Crosslinking-Induced Stable Copper Nanoclusters Powder as Latent Fingerprints Marker

open access: yesNanomaterials, 2021
Luminescent copper nanoclusters (Cu NCs) have shown great potential in light-emitting devices (LEDs), chemical sensing, catalysis and biological fields. However, their practical use has been restricted by poor stability, and study on the stability of Cu ...
Yi Qiu   +9 more
doaj   +1 more source

An Inductor-Based and Capacitor-Free Bipolar Pulse Converter with Overvoltage Protection

open access: yesWorld Electric Vehicle Journal, 2022
The inductor-based and capacitor-free bipolar pulse converter can be applied to electric vehicle charging and realize an efficient and reliable charging-control strategy.
Jianzhi Xu   +4 more
doaj   +1 more source

An ex vivo preliminary investigation into the impact of parameters on tissue welding strength in small intestine mucosa-mucosa end-to-end anastomosis

open access: yesFrontiers in Bioengineering and Biotechnology, 2023
Background: Tissue welding is an electrosurgical technique that can fuse tissue for small intestine anastomosis. However, limited knowledge exists on its application in mucosa-mucosa end-to-end anastomosis.
Caihui Zhu   +7 more
doaj   +1 more source

Low-Power High-Bandwidth Non-Polar InGaN Micro-LEDs at Low Current Densities for Energy-Efficient Visible Light Communication

open access: yesIEEE Photonics Journal, 2022
Recently, the rapidly developing Internet of Things (IoT) needs to support massive connectivity with high transmission data rate, which requires IoT transmitters with high speed and low power consumption.
Shijie Zhu   +7 more
doaj   +1 more source

Preparation and properties of 3D cross-finger electrode symmetrical micro capacitor based on PI

open access: yesCailiao gongcheng, 2023
With the development of the Internet of Things, the rapid development of miniaturized self-powered electronic products and further micro-modulation greatly stimulate the urgent demand for microscale electrochemical energy storage devices.
JI Weiwei   +5 more
doaj   +1 more source

Toward Long-Distance Underwater Wireless Optical Communication Based on A High-Sensitivity Single Photon Avalanche Diode

open access: yesIEEE Photonics Journal, 2020
In this study, we built a single photon avalanche diode (SPAD) receiver based underwater wireless optical communication (UWOC) system. The bit error rate (BER) and signal-to-noise ratio (SNR) performance of UWOC with different distances and data ...
Honglan Chen   +8 more
doaj   +1 more source

Micro-LED Based Double-Sided Emission Display and Cross-Medium Communication

open access: yesIEEE Photonics Journal, 2022
GaN micro-LEDs have been spotlighted as promising candidates for high-speed optical communication, which may become important components in 6G communication blueprint.
Shijie Zhu   +7 more
doaj   +1 more source

High-order mode interaction structure for a W-band CW sheet beam extended interaction klystron

open access: yesAIP Advances, 2022
To solve the problem of mode competition in high-order working modes, this paper presents a fast design method based on the TM31-2π mode for the dumbbell shaped extended interaction cavity.
Qi Jin   +7 more
doaj   +1 more source

Design study of a W-band high power extended interaction klystron based on the coaxial high-order mode

open access: yesAIP Advances, 2021
In this paper, a W-band multi-beam extended interaction klystron operating in the coaxial high order mode (HOM) is proposed. The HOM coaxial cavity with large transverse dimensions is suitable for accommodating multiple electron beams, promising to ...
Xu Zhang   +6 more
doaj   +1 more source

Multi-beam gun design for an S-band klystron

open access: yesAIP Advances, 2022
This paper introduces the detailed design scheme of a multi-beam electron gun applied to an S-band high power multi-beam klystron. The multi-beam gun adopts a coaxial cavity arrangement, and the total number of electron beams are 40 (19 in the inner ...
Xiaobo Lin   +6 more
doaj   +1 more source

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