Results 31 to 40 of about 41,651 (359)

Estrogenic chemicals often leach from BPA-free plastic products that are replacements for BPA-containing polycarbonate products [PDF]

open access: yes, 2014
Background: Xenobiotic chemicals with estrogenic activity (EA), such as bisphenol A (BPA), have been reported to have potential adverse health effects in mammals, including humans, especially in fetal and infant stages.
Bittner, George D.   +2 more
core   +2 more sources

Comparative evaluation of linear dimensional changes of four commercially available heat cure acrylic resins

open access: yesContemporary Clinical Dentistry, 2011
Context: Heat cured acrylic resins undergo dimensional changes during polymerization. Dimensional changes which occur in the heat cure acrylic resins are shrinkage and expansion which affects the fit of the denture and occlusal relationship.
Saryu Arora   +3 more
doaj   +1 more source

Application of highly carboxylate resins in aqueous emulsion for leather coating avoiding the use of isopropyl alcohol [PDF]

open access: yes, 2016
Today, the first stages of the finishing processes of buffed cattle hides or full loose grain – known as impregnation – are largely carried out with acrylic resins and penetrating agents (typically, a mixture of surfactants and solvents).
Bacardit Dalmases, Anna   +4 more
core   +3 more sources

3D Printed Ultra‐Fast Plastic Scintillators Based on Perovskite‐Photocurable Polymer Composite

open access: yesAdvanced Functional Materials, Volume 35, Issue 12, March 18, 2025.
The demand for radiation detection is increasing in a number of fields, including high‐energy physics, medical imaging, and homeland security. This study serves to demonstrate the potential for the fabrication of fast perovskite‐based scintillators with complex shapes via stereolithographic additive manufacturing, representing a new path toward the ...
Antonella Giuri   +16 more
wiley   +1 more source

Effect of repeated immersion solution cycles on the color stability of denture tooth acrylic resins

open access: yesJournal of Applied Oral Science, 2011
OBJECTIVE: Chemical solutions have been widely used for disinfection of dentures, but their effect on color stability of denture tooth acrylic resins after repeated procedures is still unclear.
Paulo Maurício Batista da Silva   +4 more
doaj   +1 more source

Flexural strength and impact strength of heat-cured acrylic and 3D printed denture base resins- A comparative in vitro study

open access: yesJournal of Oral Biology and Craniofacial Research, 2022
Objective: The present study aimed to evaluate and compare the flexural strength and impact strength of heat-cured acrylic/Polymethyl methacrylate (PMMA) denture base resin and 3D printed denture base resin.
Mayank Chhabra   +3 more
doaj   +1 more source

Elastomer coated filler and composites thereof comprising at least 60% by weight of a hydrated filler and an elastomer containing an acid substituent [PDF]

open access: yes, 1983
The impact resistance of flame retardant composites, especially thermoplastic molding: compounds containing over 60% hydrated mineral filler such as Al(OH)3 or Mg(OH)2 as improved by coating the filler with 1 to 20% of an elastomer.
Ingham, J. D.   +2 more
core   +1 more source

Copper‐based Materials for Photo and Electrocatalytic Process: Advancing Renewable Energy and Environmental Applications

open access: yesAdvanced Functional Materials, EarlyView.
Cu‐based catalysts as a cornerstone in advancing sustainable energy technologies are fully reviewed in this manuscript, highlighting their potential in photo‐ and electrocatalysis. It includes metallic copper, copper oxides, copper sulfides, copper halide perovskites, copper‐based metal–organic frameworks (MOFs), and covalent organic frameworks (COFs),
Jéssica C. de Almeida   +16 more
wiley   +1 more source

Cigarette Smoking Effect on Microhardness and Flexural Properties of Denture Base Resins

open access: yesPesquisa Brasileira em Odontopediatria e Clínica Integrada, 2023
Objective: To identify the tobacco effect on flexural properties and the microhardness of three acrylic resins. Material and Methods: Three resins were tested: two thermo-polymerizable acrylic resins (RMB 20 and BMS 014) and one autopolymerized acrylic ...
Atf Ghariani   +4 more
doaj  

Induction motor controller using fuzzy logic [PDF]

open access: yes, 2013
Induction Motor is widely used in general industry applications focusing on production area. Induction motor speed control is becoming very important due to increase the profit to the industries with increase efficiency, reliability and performance ...
Gorep, Nor Aizila
core  

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