Articles with "four way" as a keyword



Miniaturized Wideband Unequal Four‐Way Filtering Power Divider Using Asymmetric Three‐Coupled Lines

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Published in 2025 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.70143

Abstract: For the first time, a miniaturized wideband four‐way unequal filtering power divider (FPD) based on asymmetric three‐coupled lines (A‐TCLs) is proposed. Two stepped‐impedance resonators (SIR) are loaded on the A‐TCL for enhancing the frequency selectivity… read more here.

Keywords: power divider; four way; way; miniaturized wideband ... See more keywords
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Four-way parallel factor analysis of voltammetric four-way dataset for monitoring the etoposide-DNA interaction with its binding constant determination.

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Published in 2020 at "Bioelectrochemistry"

DOI: 10.1016/j.bioelechem.2020.107525

Abstract: In this paper, a novel strategy in the application of the parallel factor analysis (PARAFAC) to a four-way voltammetric dataset was improved to evidence the interaction of etoposide (ETO) and calf thymus deoxyribonucleic acid (DNA)… read more here.

Keywords: dna; parallel factor; binding constant; four way ... See more keywords

Fluorescence determination of cochineal in strawberry jam in the presence of carmoisine as a quencher by means of four-way PARAFAC decomposition.

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Published in 2019 at "Food chemistry"

DOI: 10.1016/j.foodchem.2019.03.113

Abstract: The determination of cochineal (E-120) in strawberry jam was carried out in the presence of carmoisine (E-122) using the four-way PARAFAC decomposition and excitation-emission fluorescence matrices. In the measured conditions, there was no fluorescence signal… read more here.

Keywords: cochineal; carmoisine; four way; jam ... See more keywords
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Geographical origin authentication of southern Brazilian red wines by means of EEM-pH four-way data modelling coupled with one class classification approach.

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Published in 2021 at "Food chemistry"

DOI: 10.1016/j.foodchem.2021.130087

Abstract: EEM data recorded at different pH values was exploited by MCR-ALS in order to determine qualitative information about Brazilian red wines. In addition, the geographical traceability of wines produced in the Serra Gaúcha (Rio Grande… read more here.

Keywords: red wines; way data; class; brazilian red ... See more keywords

Two- and four-way coupling of cohesive poly-disperse particulate foulants on a metal foam fibre immersed in quiescent fluid

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Published in 2017 at "International Communications in Heat and Mass Transfer"

DOI: 10.1016/j.icheatmasstransfer.2017.10.014

Abstract: Abstract The ubiquity and complexity of the unsteadiness of fouling and multiphase flows in various engineering systems signify the need to develop advanced numerical methods to study the underlying phenomena of two-phase particle-laden fluid flows… read more here.

Keywords: metal foam; fluid; particulate; four way ... See more keywords

A four-way model (FEST) for source apportionment: Development, verification, and application.

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Published in 2021 at "Journal of hazardous materials"

DOI: 10.1016/j.jhazmat.2021.128009

Abstract: In studying the spatial, temporal, and particle size variations heavy metal sources, a source apportionment model for a four-way array of data is required. In this study, referencing two-way and three-way models, a four-way (particle… read more here.

Keywords: way; model fest; source apportionment; model ... See more keywords

A new method to determine the number of chemical components of four-way data from mixtures

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Published in 2017 at "Microchemical Journal"

DOI: 10.1016/j.microc.2017.08.011

Abstract: Abstract Determining the number of chemical components in mixtures is a crucial step in four-way data analysis. However, few works about true four-way component-determining method are developed to estimate the optimum number of components of… read more here.

Keywords: four way; number chemical; way data; method ... See more keywords

Overcoming the Speed Limit of Four-Way DNA Branch Migration with Bulges in Toeholds

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Published in 2025 at "Nano Letters"

DOI: 10.1021/acs.nanolett.5c03063

Abstract: Dynamic DNA nanotechnology creates programmable reaction networks and nanodevices by using DNA strands. The key reaction in dynamic DNA nanotechnology is the exchange of DNA strands between different molecular species, achieved through three- and four-way… read more here.

Keywords: reaction; four way; way; nanotechnology ... See more keywords

A four-way patient search method for the retrospective identification of poisoning patients

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Published in 2024 at "Scientific Reports"

DOI: 10.1038/s41598-024-52358-z

Abstract: When studying emergency department (ED) visits, electronic health record systems of hospitals provide a good basis for retrospective studies. However, many intoxication patients presenting to the ED, may not be identified retrospectively if only a… read more here.

Keywords: search; four way; search method; patient search ... See more keywords

Four‐way hybrid SIW/microstrip‐line power divider with improved output isolation

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Published in 2019 at "Electronics Letters"

DOI: 10.1049/el.2018.7099

Abstract: This Letter presents a four-way hybrid substrate integrated waveguide/microstrip-line power divider circuit based on the double microstrip-slot coupling. By slotting between T branch and loading isolation resistance, the isolation and output voltage standing wave ratio… read more here.

Keywords: microstrip; four way; microstrip line; output ... See more keywords

Advanced optical reinforcement materials based on three-dimensional four-way weaving structure and metasurface technology

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Published in 2025 at "Applied Physics Letters"

DOI: 10.1063/5.0232542

Abstract: By integrating the design principles of broadband metamaterial absorbers with woven structures, this study introduces a woven composite metamaterial (WCM) made of resin and AlCuFe quasicrystals, enabling optical materials to operate efficiently across a wide… read more here.

Keywords: optical reinforcement; four way; way; structure ... See more keywords