نتایج جستجو برای: thermo degradation

تعداد نتایج: 164481  

2016
Kaixuan Wang Helin Niu Jingshuai Chen Jiming Song Changjie Mao Shengyi Zhang Saijing Zheng Baizhan Liu Changle Chen

A facile and environmentally friendly surface-ion adsorption method using CeCO₃OH@C as template was demonstrated to synthesize CeO₂-LaFeO₃ perovskite composite material. The obtained composite was characterized by X-ray diffraction (XRD), fourier transform infrared spectra (FT-IR), field-emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), thermo-gravimetric a...

2018
Svetlana Tretsiakova-McNally Paul Joseph

One of the effective ways to enhance flame retardance of polyacrylonitrile (PAN) is through a reactive route, primarily developed in our laboratories, which involved chemical modification reactions utilising phosphorus-containing comonomers. In the present study, diethyl(acryloyloxymethyl)phosphonate (DEAMP) and diethyl(1-acryloyloxyethyl)phosphonate (DE1AEP) were synthesised and copolymerised ...

Journal: :Physical chemistry chemical physics : PCCP 2013
Qiliang Jin Hironori Yamamoto Kotaro Yamamoto Musashi Fujishima Hiroaki Tada

This study first presents a "TiO2-based eco-catalyst" working in the dark and under visible-light irradiation for the degradation of environmental organic pollutants. Molecular scale cobalt(III) oxide clusters are formed on the surface of highly active anatase TiO2 nanoparticles (Co2O3-TiO2) by the chemisorption-calcination cycle method. Co2O3-TiO2 exhibits very high visible-light activities fo...

Journal: :Advances in Engineering Software 2014
Jan Sykora

The aim of presented paper is modeling of degradation processes in historical mortars exposed to moisture impact during freezing. Internal damage caused by ice crystallization in pores is one of the most important factors limiting the service life of historical structures. Coupling the transport processes with the mechanical part will allow us to address the impact of moisture on the durability...

2011
A. See J. C. Fothergill L. A. Dissado G. C. Stevens G. C. Montanari C. Laurent G. Teyssedre

The aim of the “ARTEMIS” project is to investigate the ageing mechanisms for cross-linked polyethylene under thermo-electrical stress and to identify ageing markers, which can be used to carry out diagnostic procedures. A carefully selected set of techniques which can give cross-correlated information on space charge phenomenology and material degradation were used to investigate specimens peel...

2014
R.S.Umamaheshwar Rao Chandra Mohan Reddy

The investigation on the thermal stability of macro and nano molecular network has emerged, over the years, as a powerful tool for their characterization [1, 2, and3]. The structure of the main chain, the main chain bonds and the nature of the crosslink’s and the presence of any extra-network materials all affect the thermal stability of polymer composites. Thermo Gravimetric analysis (TGA) tog...

2011

Our long-term research goal is to understand and exploit the natural biochemical properties of the fibrinogen/fibrin system for greater control of fibrin polymerization and degradation. In R21EB008463, we hypothesized that a fibrin knob fusion with thermo-responsive elastin-like peptide repeats will bind to fibrinogen polymerization pockets and prevent polymerization in a temperature-dependent ...

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