Results 41 to 50 of about 347,909 (355)

A Compact Broadband Planar Inverted-F Antenna with Dual-Resonant Modes

open access: yesApplied Sciences, 2022
In this paper, a compact broadband planar inverted-F antenna (PIFA) with dual-resonant modes (TM1/2,2 and TM3/2,0) is proposed for 5G applications. By loading a pair of horizontal slots on the patch, the TM3/2,0 mode can be shifted downward and combined ...
Zhengya Qi   +3 more
doaj   +1 more source

Dual-Mode Flexible Sensor Based on PVDF/MXene Nanosheet/Reduced Graphene Oxide Composites for Electronic Skin

open access: yesNanomaterials, 2022
MXene materials have the metallic conductivity of transition metal carbides. Among them, Ti3C2TX with an accordion structure has great application prospects in the field of wearable devices.
Hu Liang   +4 more
doaj   +1 more source

Comparative Analysis of Operational Structures in Single- and Dual-Mode Distance Learning Institutions in Nigeria

open access: yesInternational Review of Research in Open and Distributed Learning, 2021
This study examined the similarities and differences in the processes and facilities for distance education at National Open University of Nigeria (NOUN), a single-mode distance learning institution, and Obafemi Awolowo University (OAU), Ile-Ife, a dual ...
Taiwo Isaac Olatunji   +1 more
doaj   +1 more source

Design and simulation of submarine dual-mode SOFC-MGT hybrid power generation system

open access: yesZhongguo Jianchuan Yanjiu, 2019
[Objectives] Solid Oxide Fuel Cell-Micro Gas Turbine(SOFC-MGT) hybrid power generation system will help to improve the endurance and stealth of conventionally powered submarines.
ZHU Runkai   +4 more
doaj   +1 more source

Design and Experiment of Lightweight Dual-Mode Automatic Variable-Rate Fertilization Device and Control System

open access: yesAgriculture, 2023
China’s agricultural facilities are developing rapidly and are mainly operated through household contracting. Due to a lack of suitable variable-rate fertilization devices, manual and blind fertilization still widely exists, resulting in fertilizer waste
Qiuwei Bai   +4 more
doaj   +1 more source

Dual-Mode Reltron

open access: yesIEEE Transactions on Plasma Science, 2012
We propose exciting two modes concurrently inside a reltron's modulating cavity to increase the microwave power generated. From the harmonic components of the beam, we demonstrate that a multiharmonic beam has a higher peak and steeper gradient compared to a single-harmonic beam.
S. Soh   +3 more
openaire   +1 more source

Balanced dual‐mode SIW filter

open access: yesElectronics Letters, 2019
This Letter proposes a balanced dual‐mode substrate integrated waveguide (SIW) filter for the first time. Based on dual‐mode square SIW cavities, perturbation vias, and balanced ports, the quasi‐elliptic differential mode response with improved selectivity as well as high‐performance common mode suppression can be obtained conveniently.
Peng Chu, Ke Wu
openaire   +2 more sources

Design of Multi-Band Filters Using Parallel Connected Topology [PDF]

open access: yesRadioengineering, 2018
This paper presents the design of multi-band filters using parallel connected topology. The resonator in each branch is the dual-mode resonator which provides two resonant modes per passband for miniaturization.
S. Cheab, P. W. Wong, S. Soeung
doaj  

A New Cephalosporin with a Dual Mode of Action [PDF]

open access: yesAntimicrobial Agents and Chemotherapy, 1976
A cephalosporin, (6R,7R)-7-[(2R)-2-hydroxy-2-phenylacetamido]-3-(pyrid-2-yl- N -oxide) thiomethylceph-3-em-4-carboxylic acid (MCO), that could lead to a novel approach to the problem of β-lactamase destruction is described.
C H, O'Callaghan   +2 more
openaire   +2 more sources

Efficacy and Safety Analysis of Roxarestat in Regulating Renal Anemia in Patients on Maintenance Hemodialysis

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Objective To compare the efficacy and safety of roxarestat versus recombinant human erythropoietin (rhEPO) in the management of renal anemia in patients undergoing maintenance hemodialysis. Methods This was a prospective, open‐label, randomized controlled trial.
Lingling Chen, Junjie Zhu, Qiaonan Ge
wiley   +1 more source

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