Results 91 to 100 of about 4,157,742 (220)

Short‐Term CO 2$$ {}_2 $$ Emissions Forecasting: Insight From the Italian Electricity Market

open access: yesEnvironmetrics, Volume 37, Issue 6, September 2026.
ABSTRACT This study investigates the short‐term forecasting of carbon emissions from electricity generation in the Italian power market. Using hourly data from 2021 to 2023, several statistical models and forecast combination methods are evaluated and compared at the national and zonal levels.
Pierdomenico Duttilo, Francesco Lisi
wiley   +1 more source

Maclaurin Series: Trigonometric Functions (MathsCasts)

open access: yes, 2012
Calculates the MacLaurin series for the trigonometric function sine x.
James Leahy
core   +1 more source

Concept, Tests, and Optimum Design of Novel Negative Stiffness Friction Dampers for Seismic Protection of Long‐Span Bridges

open access: yesEarthquake Engineering &Structural Dynamics, Volume 55, Issue 11, Page 2719-2741, September 2026.
ABSTRACT Viscous dampers (VDs) are widely used to mitigate the excessive responses of long‐span bridges. However, VDs face some intricate challenges in engineering practices, including high damping coefficient requirement, potential base shear amplification and tremendous damping force under high velocity. To address these issues, this study develops a
Ruisheng Ma   +5 more
wiley   +1 more source

Field‐Based Spatial Self‐Registration of Multicoil Hardware for B0 Field Control

open access: yesMagnetic Resonance in Medicine, Volume 96, Issue 3, Page 1474-1485, September 2026.
ABSTRACT Purpose To develop and validate a magnetic field‐based method for self‐registration of multicoil (MC) shim hardware in MRI systems, enabling accurate B0 field control despite nonreproducible hardware placement between calibration and experimental sessions.
Isabelle Zinghini   +4 more
wiley   +1 more source

Null Trigonometric Series in Differential Equations

open access: yes, 1953
In this paper it is shown how trigonometric series which are Cesàro-summable to zero may be used to solve differential equations.
Charles Walmsley
core   +1 more source

Series over Bessel Functions as Series in Terms of Riemann’s Zeta Function

open access: yesMathematics
Relying on the Hurwitz formula, we find closed-form formulas for the series over sine and cosine functions through the Hurwitz zeta functions, and using them and another summation formula for trigonometric series, we obtain a finite sum for some series ...
Slobodan B. Tričković   +1 more
doaj   +1 more source

Neural Network Imputation of the Pitch‐Angle‐Resolved Medium‐Energy Electron Flux Data in LEO

open access: yesSpace Weather, Volume 24, Issue 9, September 2026.
Abstract Pitch‐angle‐resolved electron flux data are crucial for investigating variations in electron flux within the magnetosphere and the underlying mechanisms, such as radial diffusion and wave‐particle interactions. The Medium‐Energy Electron Detector (MEED) onboard the Fengyun‐3E (FY‐3E) satellite in Low Earth Orbit (LEO) provides 18‐directional ...
Jia‐Li Chen   +4 more
wiley   +1 more source

On Weighted Integrability of Functions Defined by Trigonometric Series

open access: yesJournal of Inequalities and Applications, 2010
We introduce a new class of sequences called and give a sufficient and necessary condition for weighted integrability of trigonometric series with coefficients to belong to the above class.
Szal Bogdan
doaj  

Area of origin analysis for expirated patterns using HemoVision

open access: yesJournal of Forensic Sciences, Volume 71, Issue 5, Page 2013-2027, September 2026.
Abstract Although bloodstain pattern analysis (BPA) can be performed on various types of patterns, there is a lack of research looking into whether the area of origin (AO) can be determined for expirated patterns. Expirated patterns are formed when blood is pushed out of an opening in the body by the force of air, in some cases forming a pattern of ...
Lathursha Kalaranjan, Eugene Liscio
wiley   +1 more source

Trigonometric series adapted for the study of Neumann boundary-value problems of Lame systems

open access: yesElectronic Journal of Differential Equations, 2017
In this article, we study the solutions to Neumann boundary-value problems of Lame system in a sectorial domains. We study directly this problem, by using trigonometric series, without going through the Airy functions.
Boubakeur Merouani, Nabil Liazidi
doaj  

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