Chemistry postgraduate students at UFMG: understanding their own practice in their teaching education

期刊论文
摘要:
The pedagogic training of university professors has been overlooked in institutions of higher educat...
doi:
10.1590/S0100-40422011000500029
作 者:
Freitas-Silva, Gilso...
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Química Nova

Statistics applied to chemistry: ten common doubts

期刊论文
摘要:
Ten common doubts of chemistry students and professionals about their statistical applications are d...
doi:
10.1590/S0100-40422011000500028
作 者:
Bruns, Roy Edward;Un...
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Química Nova

Pesticide occurrence in groundwater near irrigated rice fields

期刊论文
摘要:
The objective this study was to monitor pesticide residues in groundwater at three different times a...
doi:
10.1590/S0100-40422011000500004
作 者:
Universidade Federal...
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Química Nova

Evaluation of mineral composition of tea from senescent leaf of Montrichardia linifera (arruda) schott (araceae) by flame atomic absorption spectrometry (FAAS)

期刊论文
摘要:
Levels of Ca, Mg, Fe, Zn, Cu and Mn were determinated by FAAS in the tea and dry matter from senesce...
doi:
10.1590/S0100-40422011000300010
作 者:
Müller, Adolfo Henri...
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Química Nova

Application of comprehensive two-dimensional gas chromatography (GC×GC) in the characterization of biodiesel/diesel blends: application to beef tallow biodiesel

期刊论文
摘要:
The growth of biodiesel market and the implementation of regulations related to biodiesel production...
doi:
10.1590/S0100-40422011000700016
作 者:
Moraes, Maria Silvan...
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Química Nova

Structural caracterization of aquatic humic substance extracted from itapanhaú and ribeira de iguape rivers

期刊论文
摘要:
The knowledge of the structure characteristic of the Organic Matter is important for the understandi...
doi:
10.1590/S0100-40422011000500005
作 者:
Rocha, Julio Cesar;G...
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Química Nova

Production of synthesis gas by thermal plasma via pyrolysis of methane and carbon dioxide

期刊论文
摘要:
In this work the production of synthesis gas from a mixture of methane (CH4) and carbon dioxide (CO2...
doi:
10.1590/S0100-40422011000900002
作 者:
Souza, Ivan Gonçalve...
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Química Nova

Students' attitudes toward chemistry in different undergraduate programs in Colombia

期刊论文
摘要:
This work reports a study on the attitudes of Colombian students towards Chemistry in different unde...
doi:
10.1590/S0100-40422011000900032
作 者:
Universidad Nacional...
作者机构:
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Química Nova

Trace determination of cadmium ions by flame atomic absorption spectrometry after pre-concentration using temperature-controlled ionic liquid dispersive-liquid phase microextraction

期刊论文
摘要:
This paper is about an improved temperature-controlled ionic liquid dispersive liquid-phase microext...
doi:
10.5935/0103-5053.20130290
作 者:
Arak University, Ara...
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Journal of the Brazilian Chemical Society

A novel method for extraction of oils from oleaginous seeds

期刊论文
摘要:
A new method of extraction of oils from oleaginous seeds was developed. This method is based on the ...
doi:
10.1590/S0103-50532011001000026
作 者:
Badji Mokhtar Univer...
作者机构:
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期刊标题:
Journal of the Brazilian Chemical Society
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