Active Phase Transition via Loss Engineering in a Terahertz MEMS Metamaterial.
Sign Up to like & getrecommendations! Published in 2017 at "Advanced materials"
DOI: 10.1002/adma.201700733
Abstract: Controlling the phase of local radiation by using exotic metasurfaces has enabled promising applications in a diversified set of electromagnetic wave manipulation such as anomalous wavefront deflection, flat lenses, and holograms. Here, we theoretically and… read more here.
Keywords: phase; active phase; phase transition; transition via ... See more keywords
A 5.8 GHz fully integrated BiCMOS SiGe:C injection-locked-oscillator-based active phase shifter for energy beamforming
Sign Up to like & getrecommendations! Published in 2020 at "Analog Integrated Circuits and Signal Processing"
DOI: 10.1007/s10470-020-01586-0
Abstract: This paper presents the design and the implementation of a fully integrated active phase shifter for beamforming at 5.8 GHz. The proposed circuit, implemented in a 0.25 µm BiCMOS SiGe:C process, is based on an original architecture… read more here.
Keywords: active phase; phase; phase shifter; fully integrated ... See more keywords
Intrapartum sonographic assessment of the fetal head flexion in protracted active phase of labor and association with labor outcome: a multicentre, prospective study.
Sign Up to like & getrecommendations! Published in 2021 at "American journal of obstetrics and gynecology"
DOI: 10.1016/j.ajog.2021.02.035
Abstract: BACKGROUND To date no research has focused on the sonographic quantification of the degree of flexion of the fetal head in relation to the labor outcome in women with protracted active phase of labor. OBJECTIVE… read more here.
Keywords: phase labor; active phase; labor; protracted active ... See more keywords
Selection of active phase of MnO2 for catalytic ozonation of 4-nitrophenol.
Sign Up to like & getrecommendations! Published in 2017 at "Chemosphere"
DOI: 10.1016/j.chemosphere.2016.11.138
Abstract: Catalytic ozonation is a highly effective method in wastewater treatment, and MnO2 materials are widely recognized as active heterogeneous catalysts in this process. Many works reported the progress in active MnO2 synthesis, but the active… read more here.
Keywords: active phase; ozonation nitrophenol; mno2; catalytic ozonation ... See more keywords
Impact of the Cu2O microcrystal planes on active phase formation in the Rochow reaction and an experimental and theoretical understanding of the reaction mechanism
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Catalysis"
DOI: 10.1016/j.jcat.2018.02.010
Abstract: In heterogeneous catalysis, on one hand, people always want to know about reaction details, such as what the most active phase is, how it is formed, and what is the reaction mechanism. On the other… read more here.
Keywords: active phase; reaction mechanism; reaction; rochow reaction ... See more keywords
Combined HR TEM and STEM-EDX evaluation – The key to better understanding of the Co-Mo sulfide active phase in real-life Co-Mo-P/Al2O3 catalysts
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Catalysis"
DOI: 10.1016/j.jcat.2021.01.024
Abstract: Abstract Co-Mo/Al2O3 used model and real-life catalysts from a diesel test are characterized by HR (S)TEM-EDX on ultra-thin sections to give a very complete description of MoS2 morphology, sulfidability and CoSx segregation. Image analysis is… read more here.
Keywords: active phase; al2o3; life; life catalysts ... See more keywords
Investigating the active phase of Ca-based glycerol polymerization catalysts: On the importance of calcium glycerolate
Sign Up to like & getrecommendations! Published in 2021 at "Molecular Catalysis"
DOI: 10.1016/j.mcat.2021.111571
Abstract: Abstract Ca-based catalysts are of strong interest for glycerol polymerization reaction due to their high catalytic performances, their wide availability and the absence of any toxicity. In the present study, we investigated the active phase… read more here.
Keywords: active phase; calcium glycerolate; glycerolate; glycerol ... See more keywords
Anchoring ultrasmall FeIII-based nanoparticles on silica and titania mesostructures for syngas H2S purification
Sign Up to like & getrecommendations! Published in 2020 at "Microporous and Mesoporous Materials"
DOI: 10.1016/j.micromeso.2020.110062
Abstract: Abstract Mesostructured titania (Anatase) and silica (MCM-41) were proposed as supports to design highly active, selective, and regenerable FeIII-based nanostructured sorbents for mid-temperature H2S removal in a model sour syngas. The resulting sorbents (Fe–SiO2 and… read more here.
Keywords: ultrasmall feiii; active phase; sulfidation; silica titania ... See more keywords
Combined powder metallurgy routes to improve thermal and mechanical response of Al−Sn composite phase change materials
Sign Up to like & getrecommendations! Published in 2020 at "Transactions of Nonferrous Metals Society of China"
DOI: 10.1016/s1003-6326(20)65456-5
Abstract: Abstract Powder metallurgy processes are suitable to produce form-stable solid−liquid phase change materials from miscibility gap alloys. They allow to obtain a composite metallic material with good dispersion of low-melting active phase particles in a… read more here.
Keywords: phase; active phase; response; powder metallurgy ... See more keywords
Supported Cobalt Nanoparticles with a Single Active Phase for Fischer–Tropsch Synthesis
Sign Up to like & getrecommendations! Published in 2019 at "ACS Applied Nano Materials"
DOI: 10.1021/acsanm.9b00187
Abstract: Cobalt (Co) with a hexagonal-close-packed structure (hcp-Co) has been documented as a preferred active phase for Co versus face-centered-cubic structure (fcc-Co) in a Fischer–Tropsch synthesis (FTS) reaction. Thus, hcp-Co with high dispersion and durability is… read more here.
Keywords: active phase; cobalt; synthesis; tropsch synthesis ... See more keywords
Direct Observation of Dynamic Reconstructed Active Phase of Perovskite LaNiO3 for Oxygen Evolution Reaction
Sign Up to like & getrecommendations! Published in 2023 at "Chemical Science"
DOI: 10.1039/d2sc07034k
Abstract: Ni-based transition metal oxides are promising oxygen-evolution reaction (OER) catalysts due to their abundance and high activity. Identification and manipulation of the chemical properties of the real active phase on the catalyst surface is crucial… read more here.
Keywords: active phase; oxygen evolution; reaction; surface ... See more keywords