Results 31 to 40 of about 2,263,965 (267)

Sustainable evaluation and optimization strategies for black tea production: insights from emergy analysis

open access: yesCogent Food & Agriculture
The extensive scale of tea production has resulted in a substantial demand for inputs such as fertilizers and pesticides in tea gardens, contributing to increased greenhouse gas emissions and environmental challenges.
Chao Zhang   +5 more
doaj   +1 more source

Stability and boundedness In nonlinear and neutral difference equations using new variation of parameters formula and fixed point theory

open access: yesCubo, 2019
In the case of nonlinear problems, whether in differential or difference equations, it is difficult and in some cases impossible to invert the problem and obtain a suitable mapping that can be effectively used in fixed point theory to qualitatively ...
Youssef N. Raffoul
doaj   +1 more source

New Improved Results for Oscillation of Fourth-Order Neutral Differential Equations

open access: yesMathematics, 2021
In this study, a new oscillation criterion for the fourth-order neutral delay differential equation ruxu+puxδu‴α′+quxβϕu=0,u≥u0 is established. By introducing a Riccati substitution, we obtain a new criterion for oscillation without requiring the ...
Osama Moaaz   +4 more
doaj   +1 more source

New Oscillation Theorems for Second-Order Differential Equations with Canonical and Non-Canonical Operator via Riccati Transformation

open access: yesMathematics, 2021
In this work, we prove some new oscillation theorems for second-order neutral delay differential equations of the form (a(ξ)((v(ξ)+b(ξ)v(ϑ(ξ)))′))′+c(ξ)G1(v(κ(ξ)))+d(ξ)G2(v(ς(ξ)))=0 under canonical and non-canonical operators, that is, ∫ξ0∞dξa(ξ)=∞ and ...
Shyam Sundar Santra   +4 more
doaj   +1 more source

Surface Modification of NiFe Anode-Support for Thin-Film Solid-Oxide Fuel Cell

open access: yesElectrochemistry
A dense NiO-Fe2O3 (NiFe) pellet has been developed as a potential anode-support for thin-film solid oxide fuel cells (SOFCs). However, preparation of dense NiFe is very challenging.
Sovann KHAN   +3 more
doaj   +1 more source

Amended Criteria for Testing the Asymptotic and Oscillatory Behavior of Solutions of Higher-Order Functional Differential Equations

open access: yesAxioms, 2022
Our interest in this article is to develop oscillation conditions for solutions of higher order differential equations and to extend recent results in the literature to differential equations of several delays.
Barakah Almarri   +3 more
doaj   +1 more source

Spatiotemporal and quantitative analyses of phosphoinositides – fluorescent probe—and mass spectrometry‐based approaches

open access: yesFEBS Letters, EarlyView.
Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho   +3 more
wiley   +1 more source

Les langues des tropismes chez Nathalie Sarraute

open access: yesCarnets, 2016
This article aims to analyze how the Russian cultural heritage operates in the work of Nathalie Sarraute and articulates with its identity scrambling project.
Cristina Zanoaga-Rastoll
doaj   +1 more source

Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation

open access: yesFEBS Letters, EarlyView.
Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe   +3 more
wiley   +1 more source

Stability Behaviour in Functional Differential Equations of the Neutral Type

open access: yesUniversal Journal of Mathematics and Applications, 2021
In this study, we examine the behavior of solutions of the neutral functional differential equations. Using a suitable real root of the corresponding characteristic equation, the asymptotic behavior of the solutions and the stability of the trivial ...
Ali Fuat Yeniçerioğlu   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy