Results 31 to 40 of about 40,582 (335)
Síntese, caracterização e comportamento térmico de amidossulfonatos de terras raras
Química Nova, 2013 Hydrated compounds prepared in aqueous solution by reaction between amidosulfonic acid [H3NSO3] and suspensions of rare earth hydroxycarbonates [Ln2(OH)x(CO3)y.zH2O] were characterized by elemental analysis (% Ln, % N and % H), infrared spectroscopy ...
José Marques Luiz +2 more
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Molecules, 2021 The blackberry’s color is composed mainly of natural dyes called anthocyanins. Their color is red–purple, and they can be used as a natural colorant. Anthocyanins are flavonoids, which are products of plants, and their colors range from orange and red to
Rossella G. Candela +5 more
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Investigation of the Oven Process in Indirect Metal Laser Sintering [PDF]
, 2004 This paper deals with the optimization of Indirect Metal Laser Sintering. Different experimental analyses have proven that the oven process is highly responsible for the part distortion.
Seefried, M., Zaeh, M. F.
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Molecules, 2022 The thermochemical study of the 1,3-bis(N-carbazolyl)benzene (NCB) and 1,4-bis(diphenylamino)benzene (DAB) involved the combination of combustion calorimetric (CC) and thermogravimetric techniques. The molar heat capacities over the temperature range of (
Juan Mentado-Morales +4 more
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Thermally induced degradation of citrus pectins during storage – Alterations in molecular structure, colour and thermal analysis [PDF]
, 2013 Commercial citrus pectins (17 samples from 3 different suppliers) were stored at 60 °C and 80% humidity for two weeks. Molecular parameters (galacturonan content, degree of methoxylation, intrinsic viscosity), colour and behaviour in thermal analysis ...
Drusch, Stephan +2 more
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Química Nova, 2009 The use of thermoanalytical data in sample preparation is described as a tool to catch the students' attention to some details that can simplify both the analysis and the analytical procedure.
Júnia G. Pereira +4 more
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Experimental Assessment of the Thermal Conductivity of Basalt Fibres at High Temperatures
Energies, 2022 This paper investigates fibrous thermal insulation materials of various densities to assess the change in their thermophysical properties at high temperatures. The thermal conductivity of fibrous thermal insulation materials is discussed as a function of
Yuri Vankov +6 more
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Thermal behavior of polytriazole films: a thermal analysis study [PDF]
, 1989 The thermal behavior of poly(1,3-phenyl-1,4-phenyl)-4-phenyl-1,2,4-triazole has been investigated using different scanning calorimetry (DSC) and thermogravimetry (TG).
Gebben, B. +2 more
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Molybdenum(V), germanium(IV), aluminum(III) and nickel(II) adducts with ethyleneurea, ethylenethiourea and propyleneurea: some empirical correlations involving TG and IR data [PDF]
Journal of the Serbian Chemical Society, 2006 The adducts MoCl5·2eu, MoCl5·2pu, GeCl4·2etu, AlCl3·2pu, AlCl3·3pu, NiCl2·2etu and NiCl2·4etu (eu = ethyleneurea, etu = ethylenethiourea and pu =propyleneurea) were synthesized and characterized by elemental analysis (C, H, N), infrared spectroscopy (IR)
ROBSON F. DE FARIAS, CLAUDIO AIROLDI
doaj
Orbital: The Electronic Journal of Chemistry, 2016 The objective of this study was to qualitatively analyze the polymerization of a nanoparticle resin; the method used combined a fluorescence spectroscopy technique with the use of Rhodamine dye. For comparative purposes, differential scanning calorimetry
Aline B. Denis +4 more
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