Effect of fluorine atom substitution on the conformational equilibrium of chalcone

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摘要:
doi:
10.1590/S0100-40422001000500006
作 者:
Braz-Filho, Raimundo...
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Quimica nova

Metal-hexacyanoferrate films: a tool in analytical Chemistry

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摘要:
doi:
10.1590/S0100-40422001000200010
作 者:
Mattos, Ivanildo Lui...
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Quimica nova

Construction and application of a bismuth-film mini sensor using low cost materials for in loco voltammetric determinations

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摘要:
The construction of a low cost mini sensor containing a bismuth-film electrode (BiFE), as work elect...
doi:
10.1590/S0100-40422012000500027
作 者:
Mattos, Ivanildo Lui...
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Quimica nova

Barium absorption by rice plants (Oryza sativa L.) and mobility in soil treated with barite under different redox potential conditions

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摘要:
doi:
10.1590/S0100-40422012000900008
作 者:
Magalhães, Marcio Os...
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Quimica nova

An overview of nanotechnology in Brazil (and its macro-challenges)

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摘要:
The objectivesof this essay are to describe the development of nanoscience and nanotechnology(N&N) i...
doi:
10.1590/S0100-40422008000800050
作 者:
Fernandes, Maria Fer...
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Quimica nova

Development and validation of a methodology FOR analysis of biodiesel: diesel blends using gas chromatography-mass spectrometry

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摘要:
The aim of this work was to develop and validatea method of analysis of biodiesel:diesel blends usin...
doi:
10.1590/S0100-40422007000800020
作 者:
Rezende, Claudia M.;...
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Quimica nova

Adapting a domestic microwave oven transesterification reactions for under reflux and clay catalysis

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摘要:
The microwaveoven became an important source of heating for many laboratory procedures includingacce...
doi:
10.1590/S0100-40422006000200032
作 者:
Souza, Maria Cecília...
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Quimica nova

Synthesis of aminoglycosides as precursors of potentially actives pseudodisaccharides

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摘要:
doi:
10.1590/S0100-40422000000100009
作 者:
Carvalho, Ivone;Hain...
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Quimica nova

Total phenolics and antioxidant activity of five medicinal plants

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摘要:
This paper describestotal phenolics content and antioxidant activity in the ethanolic extract ofleav...
doi:
10.1590/S0100-40422007000200021
作 者:
Araújo, Paulo Breitn...
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Quimica nova

The production of knowlegde of chemical education at the annual meetings of the Brazilian Chemical Society: a review

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摘要:
This paper discusses the Brazilian academic production on Chemical Education. The main source of inf...
doi:
10.1590/S0100-40422008000800034
作 者:
Queiroz, Salete Linh...
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Química Nova
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