Results 121 to 130 of about 40,897 (301)
PLoS ONEPurposeTo evaluate the effects of axial length and slot-to-slot distance of double-slot microwave antenna (DSMA) with frequency of 433 MHz on the size and shape of ablation zones created under different input microwave powers.Materials and methodsThe ...
Xiaofei Jin +7 more
doaj +1 more source
Worm‐Inspired Soft Robots With Modular Outfit‐Changing for Intelligent Multienvironment Adaptation
Advanced Intelligent Systems, EarlyView.This study proposes a worm‐inspired soft robot capable of locomotion across multiple environments through a modular “outfit‐changing” strategy. The robot integrates pneumatically actuated peristaltic segments with interchangeable external modules, enabling efficient motion on ground surfaces, within pipelines, through granular media, and underwater ...
Xiaomin Liu +6 more
wiley +1 more source
Sector Slot Array Antenna [PDF]
, 2016 Tento projekt se zabývá návrhem sektorové antény tvořené vlnovodem se štěrbinami. Sektorové antény mají vyzařovací diagram, který je široký v jedné rovině a úzký v rovině kolmé.
Fekete Márton
core
Metalens‐Enabled Twisted Chromatic Dispersion
Advanced Physics Research, EarlyView.We successfully demonstrate visible broadband twisted dispersion metalenses. As a proof of concept, we realized two distinct devices: the conical helical and the spring‐like dispersion‐controlled metalenses. These results rigorously validate the universality of our approach in customizing arbitrary continuous 3D dispersion trajectories, thereby ...
Shiyu Zheng +3 more
wiley +1 more source
A Study of Wideband and Compact Slot Antennas Utilizing Special Dispersive Materials
IEEE Open Journal of Antennas and PropagationThis paper presents a novel technique for enhancing the slot antenna bandwidth using special dispersive materials for the first time. The dispersive material whose relative permittivity is inversely proportional to the frequency by the power of n is ...
Xiantao Yang +5 more
doaj +1 more source
Anatomical Sciences Education, Volume 18, Issue 3, Page 241-253, March 2025.Abstract This study describes the process of developing a high‐impact, low‐cost, and low‐maintenance air ventilation system for anatomy facilities. It employed the strategic application of Value Engineering (VE), assuring that the air ventilation system meets contemporary threshold limit values (TLVs) for formaldehyde in the working zone of dissection ...
Jürgen Russ, Niels Hammer
wiley +1 more source
Progress in all‐dry‐processed inorganic perovskite solar cells
Bulletin of the Korean Chemical Society, EarlyView.This review summarizes recent advances in all‐inorganic perovskite solar cells, focusing on vacuum‐based deposition strategies for Cs‐based inorganic perovskite absorbers and inorganic charge transporting materials. We highlight the key principles governing inorganic film growth and future directions toward high‐performance all‐dry‐processed inorganic ...
Yo‐Han Jeon +2 more
wiley +1 more source
Bulletin of the Korean Chemical Society, EarlyView.This review consolidates mechanisms and solutions for mixed Sn–Pb perovskite solar cells. It identifies Sn2+ oxidation, iodine generation, and interfacial defects as primary instabilities. It discusses progress in additives, interface passivation, alternative hole transport layers, and solvent engineering as well as future directions for achieving long‐
Lei Chen, Kai Zhu
wiley +1 more source
A wideband CPW slot antenna by using conductor-backed coplanar feeding
HeliyonIn this paper, a new wideband coplanar waveguide (CPW) rhomboid slot antenna by using conductor-backed coplanar waveguide (CBCPW) feeding, which works at 4.6 GHz with a relative impedance bandwidth of about 55.6 %, and a gain of more than 5.5dBi from 4 ...
Yulei Xue +3 more
doaj +1 more source
Halide perovskites in wide‐spectrum photodetection
Bulletin of the Korean Chemical Society, EarlyView.Recent advances in perovskite‐based photodetectors (PPDs), phototransistors, and photoconductors are technically discussed in this review. Moreover, the mechanism behind different harvesting processes in perovskite following the energy of photons is explained, where the gamma or x‐rays are ionizing.
Somayeh Gholipour +5 more
wiley +1 more source