Results 121 to 130 of about 12,781,850 (371)

Predictive Model for Epoxy‐Amine Polymerizations at Decreased Tc Using Variable Frequency Microwaves

open access: yesJournal of Applied Polymer Science, EarlyView.
Two‐way interaction of basicity and entropy. ABSTRACT This study presents a predictive model for the thermo‐mechanical properties of epoxy polymers cured with Variable Frequency Microwave (VFM) processing. The model is based on properties derived from the structural features of the epoxide and amine precursors.
R. L. Hubbard   +2 more
wiley   +1 more source

Systematic Study of PDMS Optical Waveguides for Pressure Sensing Using Design of Experiments

open access: yesJournal of Applied Polymer Science, EarlyView.
A response surface methodology was used to systematically evaluate the impact of mix ratio and cure conditions on PDMS optical waveguide properties for pressure sensing. Mix ratio significantly influenced compression sensitivity, compressive modulus, and propagation loss, while cure temperature primarily affected refractive index.
Camila A. Zimmermann, Bora Ung
wiley   +1 more source

Planejamento fatorial e superfície de resposta: otimização de um método voltamétrico para a determinação de ag(i) empregando um eletrodo de pasta de nanotubos de carbono

open access: yesQuímica Nova, 2011
A factorial design applied in a voltammetric stripping method for the measurement of Ag(I) in natural water is described. The procedure is based on the effective pre-concentration of silver ions on electrode surface.
Fernando Campanhã Vicentini   +5 more
doaj   +1 more source

Modeling and parameter estimation for fractional large‐scale interconnected Hammerstein systems

open access: yesAsian Journal of Control, EarlyView.
Abstract This paper addresses the challenge of modeling and identifying large‐scale interconnected systems exhibiting memory effects, hereditary properties, and non‐local interactions. We propose a fractional‐order extension of the Hammerstein architecture that incorporates Grünwald–Letnikov operators to capture complex dynamics through multiple ...
Mourad Elloumi   +2 more
wiley   +1 more source

An algorithm for generating all possible 2(p-q) fractional factorial designs and its use in scientific experimentation [PDF]

open access: yes
An algorithm and computer program are presented for generating all the distinct 2(p-q) fractional factorial designs. Some applications of this algorithm to the construction of tables of designs and of designs for nonstandard situations and its use in ...
Sidik, S. M.
core   +2 more sources

Factorial Design to Optimize Dextran Production by the Native Strain Leuconostoc mesenteroides SF3

open access: gold, 2021
Jorge Yáñez‐Fernández   +5 more
openalex   +1 more source

Sustainable recovery of a chitin–glucan complex–protein biocomposite from yeast biomass using biocompatible ionic liquids

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Chitin–glucan complex (CGC) is typically extracted from fungal or yeast biomass using harsh alkaline treatments that not only generate high‐salt, organic‐rich effluents, but also negatively impact the structural and functional properties of the recovered copolymer, while wasting the yeast protein fraction, which is discarded.
Inês C. Ferreira   +4 more
wiley   +1 more source

Development and characterization of microemulsion containing antihypertensive agent using factorial design

open access: yesJournal of Pharmacy and Bioallied Sciences, 2012
Microemulsion which act as a carrier for drug having poor water solubility, were formulated by the use of excipients having safety of administration and solubility of drug component. The phase study was carried out using isopropyl myristate, cremophor-el,
P Shah, D Swarnkar, R Parikh
doaj   +1 more source

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