Evaluation of Tessier, Keller and Miller sequential extraction methods in the determination of native iron in three types of soil: histosol, oxisol, and mollisol

期刊论文
摘要:
Sequential extraction is not totally effective to dissolve distinct forms of trace elements. The ext...
doi:
10.1590/S0100-40422003000300007
作 者:
Lã, Otavio Raymundo;...
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期刊标题:
Química Nova

Carbon nanofibers a new catalyst support for hydrazine decomposition

期刊论文
摘要:
Today satellites propulsion is based on the use of monopropellant and/or bipropellant chemical syste...
doi:
10.1590/S0100-40422003000500008
作 者:
Pham-Huu, Cuong;Viei...
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期刊标题:
Química Nova

Microstructural study of Ni/gamma-Al2O3 catalyst: addition effects of CeO2 on carbon dioxide reforming of methane

期刊论文
摘要:
The carbon dioxide reforming of methane was carried out over nickel catalysts supported on the g-Al2...
doi:
10.1590/S0100-40422003000500005
作 者:
Universidade Federal...
作者机构:
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Química Nova

Nature of the coke formed on mordenite during benzene transalkylation

期刊论文
摘要:
Zeolite catalysts have been extensively used in petroleum refining and the chemical industry althoug...
doi:
10.1590/S0100-40422003000300003
作 者:
Universidad de Conce...
作者机构:
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Química Nova

Volatile compounds in floral honeys

期刊论文
摘要:
A review about origin, composition and importance of volatile compounds in floral honeys is presente...
doi:
10.1590/S0100-40422003000100016
作 者:
Universidade do Rio ...
作者机构:
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期刊标题:
Química Nova

Green chemistry: the 12 principles of green chemistry and it insertion in the teach and research activities

期刊论文
摘要:
Green chemistry 戮 defined as the design, development, and application of chemical processes and prod...
doi:
10.1590/S0100-40422003000100020
作 者:
Universidade de São ...
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Química Nova

Development of a device for obtaining single crystals of copper-based alloys

期刊论文
摘要:
This paper describes the drawing, construction and optimization of a device, which can be used to ob...
doi:
10.1590/S0100-40422003000500021
作 者:
Flor, Samuel Waldema...
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Química Nova

Technical aspects of beowulf cluster construction

期刊论文
摘要:
Beowulf cluster is perhaps the cheapest way to construct a high performance computers. The strategy ...
doi:
10.1590/S0100-40422003000300018
作 者:
Braga, Ataualpa Albe...
作者机构:
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期刊标题:
Química Nova

Assessment of landfill wastewater pollutants and efficiency of different treatment methods

期刊论文
摘要:
In Estonian landfills, in addition to waste sorting and depositing, most biodegradable waste is comp...
doi:
10.3176/proc.2016.4.10
作 者:
Karin Pachel;Enn Loi...
作者机构:
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期刊标题:
Proceedings of the Estonian Academy of Sciences

Structure formation and characteristics of chromium carbide–iron–titanium cermets

期刊论文
摘要:
Structure formation and properties of chromium carbide-based cermets with iron芒鈧€渢itanium binder we...
doi:
10.3176/proc.2016.2.09
作 者:
Jakob Kübarsepp;Mä...
作者机构:
期刊编号:
期刊标题:
Proceedings of the Estonian Academy of Sciences
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