Results 131 to 140 of about 12,103,103 (313)

Tuning Colloidal Stability and Photothermal Conversion Efficiency of Graphite Nanofluids via Anionic‐Nonionic Surfactant Engineering

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Graphite nanofluids were stabilized using a mixed SDS/Tween 80 surfactant system. The optimized formulation exhibited enhanced colloidal stability, red‐shifted UV–Vis absorption, and improved photothermal conversion under solar irradiation. Achieving stable dispersion of graphite flakes (GFs) in aqueous media remains a critical challenge in developing ...
Ahmad Chehade   +3 more
wiley   +1 more source

Spherical Bessel Functions of GL2(Fq2) [PDF]

open access: yes, 2001
We study the spherical Bessel functions of generic representations of a reductive group over finite fields. We show that in the case of GL2(Fq2), the relation between spherical Bessel functions and Bessel functions gives another characterization of the ...
Mao, Zhengyu
core   +1 more source

Modeling and Output Optimization of Triboelectric Microphone for Acoustic Energy Harvesting

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This work elucidates the fundamental multiphysics coupling mechanisms governing acoustic T‐phone, providing a critical theoretical foundation and a predictive design paradigm for the future engineering and deployment of next‐generation, self‐powered acoustic sensors.
Dan Liu   +6 more
wiley   +1 more source

An Application of Generalized Bessel Functions on Certain Subclasses of Analytic Functions

open access: yes, 2015
The purpose of the present paper is to investigate some characterization for generalized Bessel functions of first kind to be in the new subclasses of β uniformly starlike and β uniformly convex functions of order α.
G. Murugusundaramoorthy, T. Janani
semanticscholar   +1 more source

Dynamics of Heparin Translocations Through Solid‐State Nanopores

open access: yesELECTROPHORESIS, EarlyView.
Carbohydrates can be detected with solid‐state nanopores, but their kinetics of voltage‐driven passage are fast. To better understand the dynamics of passage of these biomolecules and the role of electrophoresis and electroosmosis, we studied the translocation characteristics of heparin as a function of salt concentration, pH and voltage polarity ...
Kexin Zhao   +5 more
wiley   +1 more source

Holonomic Bessel modules and generating functions [PDF]

open access: yes, 2023
We have solved a number of holonomic PDEs derived from the Bessel modules which are related to the generating functions of classical Bessel functions and the difference Bessel functions recently discovered by Bohner and Cuchta.
Chiang, Yik Man   +2 more
core   +1 more source

Results of Certain Subclasses of Univalent Function Related to Bessel Functions

open access: yesMathematics
In this article, we established the necessary and sufficient conditions as well as the inclusion relations for a few subclasses of univalent functions associated with Bessel functions.
Venkatesan Prakash   +3 more
doaj   +1 more source

The Bessel-Struve intertwining operator on ℂ and mean-periodic functions

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2004
We give a description of all transmutation operators from the Bessel-Struve operator to the second-derivative operator. Next we define and characterize the mean-periodic functions on the space ℋ of entire functions and we characterize the continuous ...
A. Gasmi, M. Sifi
doaj   +1 more source

Effects of Camber of S‐Series Airfoils on Aerodynamic Performance, Entropy Generation Rate, Irreversibility, and Second Law Efficiency of Horizontal Axis Wind Turbines

open access: yesEnergy Science &Engineering, EarlyView.
Due to the depletion of fossil fuels, enhancing wind turbine efficiency is crucial. Utilizing airfoils with high lift‐to‐drag ratios significantly improves power generation by optimizing aerodynamic parameters. Furthermore, entropy generation analysis serves as an effective method for design optimization by minimizing energy losses and exergy ...
Mitra Yadegari
wiley   +1 more source

On an integral related to biaxially anisotropic media [PDF]

open access: yes, 2002
An integral arising in certain studies of theoretical electromagnetics is evaluated and its properties are discussed in some detail. The integral has three integer, two real, and one complex parameter. The integrand involves a product of Bessel functions
Fikioris, G   +5 more
core   +1 more source

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