The pollution from diesel engines - the particulate matter current experiences and future needs

期刊论文
摘要:
The exhaust emissions of vehicles greatly contribute to environmental pollution. Diesel engines are ...
doi:
10.1590/S0100-40422004000300018
作 者:
Appel, Lucia Gorenst...
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Química Nova

The use of pseudopotentials and HF/MP2/DFT models for the prediction of vibrational frequencies of metal complexes

期刊论文
摘要:
Four different pseudopotentials and three methodologies were employed in the calculation of the geom...
doi:
10.1590/S0100-40422004000200007
作 者:
Hollauer, Eduardo;Gi...
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Química Nova

"Laboratório químico-prático do Rio de Janeiro": the first attempt at establishing the science of Chemistry in Brazil (1812- 1819)

期刊论文
摘要:
Until the present date, historians of science have described inaccurately the first laboratory creat...
doi:
10.1590/S0100-40422004000200030
作 者:
Santos, Nadja Paraen...
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Química Nova

Behavior of electrothermal atomization of gold, silver, bismuth, cadmium, lead, and tin in aqueous solutions and in ethanol starting from different atomizing surfaces

期刊论文
摘要:
The atomization behavior of Au, Ag, Bi, Cd, Pb, and Sn from pyrolitic graphite coating (L'vov platfo...
doi:
10.1590/S0100-40422004000400003
作 者:
Universidade Federal...
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Química Nova

Cultivation strategies for production of the biodegradable plastics poly(3-hydroxybutyrate) and poly(3-hydroxybutyrate-co-3-hydroxyvalerate) by bacteria

期刊论文
摘要:
Polyhydroxyalkanoates (PHAs) are carbon and energy storage materials that are accumulated as intrace...
doi:
10.1590/S0100-40422004000400016
作 者:
Aragão, Gláucia Mari...
作者机构:
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Química Nova

Study of the structure and solvation of the HNP-3, a natural antibiotic, by molecular dynamics

期刊论文
摘要:
The structure and hydration of the HNP-3 have been derived from molecular dynamics data using root m...
doi:
10.1590/S0100-40422004000100006
作 者:
Faculdade de Filosof...
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Química Nova

Adaptation of the drop-weight method for the quantification of surface tension: a simplified apparatus for the CMC determination in the chemistry classroom

期刊论文
摘要:
The discussion based on surfactant cleaning action is commonly used in chemistry classrooms for the ...
doi:
10.1590/S0100-40422004000300021
作 者:
Behring, João Lino;E...
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Química Nova

Lignans of Strychnos guianensis (Aublet) Mart.

期刊论文
摘要:
The present communication reports the isolation and identification of three lignans from metanolic r...
doi:
10.1590/S0100-40422004000200003
作 者:
Instituto Militar de...
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Química Nova

Experimental and theoretical study of the reduction of Schiff bases derivated from 3,3-diphenylpropilamine

期刊论文
摘要:
A series of seven Schiff bases have been synthesized from 3,3-diphenylpropilamine and substituted be...
doi:
10.1590/S0100-40422004000100015
作 者:
Universidade Federal...
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Química Nova

Morphological study of Sr2CeO4 blue phosphor with fine particles

期刊论文
摘要:
Morphological and spectroscopic studies of Sr2CeO4 blue phosphor in the form of fine particles prepa...
doi:
10.1590/S0100-40422004000500005
作 者:
Universidade de São ...
作者机构:
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期刊标题:
Química Nova
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