Results 51 to 60 of about 2,878,953 (301)

Revisiting Market Power in the Polish Power System

open access: yesEnergies, 2023
The consequences of the liberalisation of electricity markets have been widely discussed in the literature emphasising the successes or failures of privatisation and deregulation.
Przemysław Kaszyński   +2 more
doaj   +1 more source

Synthesis of a Novel Thermoresponsive S53P4 Bioactive Glass Extract–Poloxamer 407 Injectable Hydrogels: Assessment of Biocompatibility and Antimicrobial Properties

open access: yesAdvanced Engineering Materials, EarlyView.
This study investigates innovative thermoreversible hydrogels derived from S53P4 bioactive glass extracts to aid in the healing of infected diabetic foot wounds. These injectable gels, which gel at body temperature, release beneficial ions and remain stable over time.
Marian G. Vargas Guerrero   +9 more
wiley   +1 more source

A Holistic Approach to Forecasting Wholesale Energy Market Prices [PDF]

open access: yes, 2018
Electricity market price predictions enable energy market participants to shape their consumption or supply while meeting their economic and environmental objectives.
Chen, Bokan   +2 more
core   +12 more sources

Investigating Response to Voltage, Frequency, and Phase Disturbances of Modern Residential Loads for Enhanced Power System Stability

open access: yesEnergies
This paper presents experimental testing results which describe the response of modern residential loads and electric vehicle (EV) chargers to various voltage magnitude, frequency, and phase angle disturbances.
Obaidur Rahman   +3 more
doaj   +1 more source

Loan portfolio diversification and bank returns: Do business models and market power matter?

open access: yesCogent Economics & Finance, 2021
The paper examines how loan portfolio diversification drives bank returns, mainly focusing on the conditioning roles of business models and market power in this nexus.
Japan Huynh, Van Dan Dang
doaj   +1 more source

Do Commercial Banks in Poland Pass the Bank Tax On to Their Customers?

open access: yesAnnales Universitatis Mariae Curie-Skłodowska Sectio H, Oeconomia, 2022
Theoretical background: Bank tax was introduced in Poland in February 2016. As a consequence, several banks with assets surpassing certain value need to cope with the additional burden.
Andrzej Karpowicz   +2 more
doaj   +1 more source

Application of Raman and Photoluminescence Spectroscopy to MgO‐C Refractories

open access: yesAdvanced Engineering Materials, EarlyView.
Visible to near infrared luminescence of MgO is studied on MgO‐C bricks and nominally pure MgO powder, with focus on two similar sharp high‐intensity signals, at 699 and 871 nm, each surrounded by symmetrical sidebands. The nature of these sidebands is investigated by temperature‐dependent spectroscopic measurements, confirming phonon involvement by ...
Julia Richter   +5 more
wiley   +1 more source

Capacity utilization dynamics and market power [PDF]

open access: yes, 1995
In an intertemporal general equilibrium model with imperfect competition, we settle a relationship between factor utilization and markups, via the effect of capacity utilization rate changes on firms' market power when the demand for goods is uncertain ...
Fagnart, Jean-Francois   +2 more
core   +1 more source

Productivity‐Driven Optimization of Laser Powder Bed Fusion Parameters for IN718 Superalloy: Process Control, Microstructure, and Mechanical Properties

open access: yesAdvanced Engineering Materials, EarlyView.
This study demonstrates how optimizing laser power, scanning speed, and hatching distance in laser powder bed fusion can boost the productivity of Inconel 718 manufacturing by up to 29% while maintaining mechanical integrity. The work delivers a validated process window and cost–time analysis, offering industry‐ready guidelines for efficient additive ...
Amir Behjat   +7 more
wiley   +1 more source

Study on Corrosion Characteristics of HR3C in Supercritical Carbon Dioxide

open access: yesMetals
Analyses of the oxidation characteristics of HR3C austenitic steel exposed to supercritical carbon dioxide were carried out at temperatures ranging from 600 to 650 °C under 25 MPa.
Kai Yan   +4 more
doaj   +1 more source

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