Results 51 to 60 of about 133,620 (283)

Modular multilevel converter losses model for HVdc applications [PDF]

open access: yes, 2017
Multi-terminal high voltage dc (HVdc) grids can eventually became a feasible solution to transport energy to remote and/ or distant areas and its exploitation depend, among other things, on the performance of the converter terminals.
Antonio Ferreira, Abel   +1 more
core   +2 more sources

EFFECTIVENESS OF TRIPLE DRUG FIXED DOSE COMBINATION INHALED THERAPY IN SEVERE COPD PATIENTS

open access: yesNational Journal of Medical Research, 2018
Rationale: According to GOLD 2018 guidelines, inhaled corticosteroids are recommended along with long acting muscarinic antagonist (LAMA) and long acting beta-2 agonist (LABA) inhaler medications in Group D COPD patients who show frequent exacerbations ...
Vrunda B Patel   +5 more
doaj  

A guideline to support the use of off-site solutions for façade retrofitting through BIM-enabled processes

open access: yesActa Polytechnica CTU Proceedings, 2022
The Architecture, Engineering and Construction sector requires an intense innovation process to reduce costs, intervention times, and improve energy performance.
Marco Cucuzza   +3 more
doaj   +1 more source

Parameter Variation in Planetary Ball Milling of Titanium Aluminide Powder in XHV‐Adequate Atmosphere

open access: yesAdvanced Engineering Materials, EarlyView.
This study investigates the effects of milling parameters, including rotational speed, milling duration, and ball‐to‐powder ratio, on TiAl particle size and morphology in an XHV‐equivalent atmosphere. The creation of oxide‐free surfaces enhances the mechanical properties of green bodies.
Jytte Möckelmann   +4 more
wiley   +1 more source

Effect of Friction Stir Processing on the Microstructure, Mechanical and Tribological Properties of Silicon Nitride Reinforced ZE43 Magnesium Composite [PDF]

open access: yesArchives of Metallurgy and Materials
Magnesium matrix composites are being used in more and more different ways, so they need to have good surface properties like resistance to wear and corrosion.
E. Balaji, R. Sathiya Moorthy
doaj   +1 more source

Multi-Source Multi-View Clustering via Discrepancy Penalty

open access: yes, 2016
With the advance of technology, entities can be observed in multiple views. Multiple views containing different types of features can be used for clustering.
He, Lifang   +3 more
core   +1 more source

Production of MgO/TiC Composites From MgO‐C Recyclates Using Spark Plasma Sintering

open access: yesAdvanced Engineering Materials, EarlyView.
Using the spark plasma sintering technique, MgO/TiC composites are manufactured from recycled MgO‐C refractories stemming from the steel production that were mixed with titanium powder. This article shows, how the size of the Ti grains and their distribution in the powder mixture affect the local carbon concentration in TiC.
Jiayan Yu   +3 more
wiley   +1 more source

Understanding and Optimizing Li Substitution in P2‐Type Sodium Layered Oxides for Sodium‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
This work explores Li‐substituted P2 layered oxides for Na‐ion batteries by crystallographic and electrochemical studies. The effect of lithium on superstructure orderings, on phase transitions during synthesis and electrochemical cycling and on the interplay of O‐ versus TM‐redox is revealed via various advanced techniques, including semi‐simultaneous 
Mingfeng Xu   +5 more
wiley   +1 more source

Microfluidic Platform for Multiparametric Profiling of Fibrin Permeability, Fibrinolysis, and Cell Invasion

open access: yesAdvanced Functional Materials, EarlyView.
This paper introduces a single‐channel H‐junction microfluidic assay that profiles fibrin's evolving function in repair and thrombosis by measuring, in one ∼3 µL gel, permeability, fibrinolysis kinetics, fibroblast invasion, and clot extension in real time.
Halston Deal   +9 more
wiley   +1 more source

Design and implementation of 30kW 200/900V LCL modular multilevel based DC/DC converter for high power applications [PDF]

open access: yes, 2016
This paper presents the design, development and testing of a 30kW, 200V/900V modular multilevel converter (MMC) based DC/DC converter prototype. An internal LCL circuit is used to provide voltage stepping and fault tolerance property.
Aboushady, A.   +3 more
core   +2 more sources

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