Results 11 to 20 of about 215,951 (256)

Pseudo-almost periodic solutions for first-order neutral differential equations [PDF]

open access: yesAdvances in Difference Equations, 2018
In this paper, we study a class of first-order neutral differential equations with time-varying delays and coefficients. Employing the fixed point method and differential inequality techniques, easily verifiable delay-independent criteria are established
Yuehua Yu, Shuhua Gong
doaj   +3 more sources

On the validity and errors of the pseudo-first-order kinetics in ligand–receptor binding [PDF]

open access: yesMathematical Biosciences, 2016
Abstract The simple bimolecular ligand–receptor binding interaction is often linearized by assuming pseudo-first-order kinetics when one species is present in excess. Here, a phase-plane analysis allows the derivation of a new condition for the validity of pseudo-first-order kinetics that is independent of the initial receptor ...
Wylie Stroberg, Santiago Schnell
openaire   +2 more sources

Cr(VI) Sorption from Aqueous Solution: A Review

open access: yesApplied Sciences, 2020
Hexavalent chromium (Cr(VI)) in water systems is a major hazard for living organisms, including humans. The most popular technology currently used to remove Cr(VI) from polluted water is sorption for its effectiveness, ease of use, low cost and ...
Angelo Fenti   +4 more
doaj   +1 more source

Green synthesis of iron nanoparticles using Artocarpus heterophyllus peel extract and their application as a heterogeneous Fenton-like catalyst for the degradation of Fuchsin Basic dye

open access: yesCurrent Research in Green and Sustainable Chemistry, 2021
Synthesis of nanoparticles by utilizing some of the green chemistry principles offers a viable and sustainable approach for nanotechnology. Iron nanoparticles (Fe NPs) were synthesised using Artocarpus heterophyllus (Jackfruit) peel extract.
Reena Jain   +3 more
doaj   +1 more source

Kinetic Study of the Ultrasound Effect on Acid Brown 83 Dye Degradation by Hydrogen Peroxide Oxidation Processes

open access: yesChemEngineering, 2021
The effect of ultrasound on the degradation of the dye Acid Brown 83 by seven different degradation methods (blank test using only ultrasound, hydrogen peroxide in a neutral medium, hydrogen peroxide in a sulfuric acid medium and hydrogen peroxide in a ...
Gerardo León   +4 more
doaj   +1 more source

Pseudo-first-order transition in interacting self-avoiding walks and trails [PDF]

open access: yesComputer Physics Communications, 2002
4 pages with 2 figures included, CCP2001 ...
Prellberg, Thomas   +1 more
openaire   +2 more sources

Kinetics of free fatty acids esterification in waste frying oil using novel carbon-based acid heterogeneous catalyst derived from Amazonian Açaí seeds – Role of experimental conditions on a simpler pseudo first-order reaction mechanism

open access: yesCatalysis Communications, 2023
This study reports the kinetics of free fatty acids esterification in waste frying oil, based on a simpler non-conventional pseudo first-order homogeneous reaction mechanism using a highly-efficient acid heterogeneous catalyst derived from seeds of Açaí (
Danilo Gualberto Zavarize   +2 more
doaj   +1 more source

Pseudo-Critical Dynamics in First-Order Transitions [PDF]

open access: yesProgress of Theoretical Physics, 1979
Simple arguments are presented about critical-like phenomena associated with first-order phase transitions in systems described by non-conserved order parameters. A mean field theory gives a type of critical phenomena near the spinodal point, which is determined by a "pseudo-free-energy" and a "pseudo-order-parameter".
openaire   +1 more source

Isotherm and Kinetics of Fe(II) Adsorption onto Chitosan in a Batch Process [PDF]

open access: yesIranica Journal of Energy and Environment, 2011
In this study removal of Fe(II) by chitosan adsorbent was experimentally investigated in a batch system. The adsorbent dose and pH of the metal solution was fixed at 0.15 g and 4, respectively.
Hamideh Radnia   +2 more
doaj  

Error Analysis of Absolute Rate Coefficient Extrapolated Under Pseudo-First Order Conditions

open access: yesJournal of the Turkish Chemical Society, Section A: Chemistry, 2017
Computer-based simulations for the three-body recombination reaction of nitrogen (II) oxide with the hydroxyl radical have been used to estimate the error associated with the pseudo-first order approximation under different simulated conditions.
Luca D'Ottone, Enunuwe Ochonogor
doaj   +1 more source

Home - About - Disclaimer - Privacy