Characterization of dental cement obtained from a glass prepared by the polymeric precursor method

期刊论文
摘要:
Glass ionomer cementsare glass and polymer composite materials. These materials currently find usein...
doi:
10.1590/S0100-40422005000500016
作 者:
Bertolini, Marcio Jo...
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Quimica nova

Knowledge generation by analysis of chemical product grades

期刊论文
摘要:
Technological innovationconnects competitiveness and knowledge. In Brazil, knowledge is mainly conce...
doi:
10.1590/S0100-40422005000700019
作 者:
Antunes, Adelaide Ma...
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Quimica nova

The question of innovative drugs in Brazil: the proposal of the Pronfar creation

期刊论文
摘要:
Medicines areessential instruments to the preservation, maintenance and promotion of Health.The acce...
doi:
10.1590/S0100-40422005000700012
作 者:
Barreiro, Eliezer J....
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Quimica nova

XPS characterization of passive films formed on mild steels in bicarbonate medium

期刊论文
摘要:
Passive films formed in bicarbonate solutionson carbon steel, chromium steel and high speed steel ha...
doi:
10.1590/S0100-40422005000200007
作 者:
Montemor, Maria de F...
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Quimica nova

Spectroscopic study of the Eu3+, Tb3+ and Gd3+ complexes with ligands derived from dicarboxylic acids

期刊论文
摘要:
Complexes of Eu3+,Tb3+ and Gd3+ with dipicolinic acid, chelidamic acid andchelidonic acid have been ...
doi:
10.1590/S0100-40422005000500014
作 者:
Lima, Patrícia P.;Ma...
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Quimica nova

Sustainable development and green chemistry

期刊论文
摘要:
The world is ina process of awakening with respect to the environment. Our society has startedto rec...
doi:
10.1590/S0100-40422005000100019
作 者:
Silva, Flavia Martin...
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Quimica nova

Analysis of organophosphorus pesticides in water using SPE C18 disks and gas chromatography: evaluation of Furnas dam contamination

期刊论文
摘要:
Solid phase extraction(SPE) in C18 disks has been optimized and validated for extraction of 5 organo...
doi:
10.1590/S0100-40422005000500002
作 者:
Siqueira, Maria Elis...
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Quimica nova

Preparation of optically transparent electrodes

期刊论文
摘要:
A simple experiment for the preparation of transparentconducting glass electrodes by deposition of p...
doi:
10.1590/S0100-40422005000200030
作 者:
De Paoli, Marco-Aure...
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Quimica nova

Image analysis in analytical chemistry: didactic and simple methodologies to understand and prevent the browning of vegetable tissues

期刊论文
摘要:
A simple and didacticexperiment was developed for image monitoring of the browning of fruit tissuesc...
doi:
10.1590/S0100-40422005000300031
作 者:
Lupetti, Karina Omur...
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Quimica nova

Use of photo-Fenton reactions in the prevention of agricultural contaminations

期刊论文
摘要:
In this work theapplication of the photo-Fenton process for the treatment of washing water ofherbici...
doi:
10.1590/S0100-40422005000500023
作 者:
Trovó, Alam Gustavo;...
作者机构:
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Quimica nova
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