Results 51 to 60 of about 63,629 (381)
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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Crystal structure and imperfection of the perovskite-like proton conductor Ba4Ca2Nb2O11 [PDF]
, 2016 The crystal structure complex oxide Ba4Ca2Nb2O11 in anhydrous and hydrated forms was studied by the method of neutron diffraction, the preferred localizations of protons were set.
Animitsa, I. E., Kochetova, N. A.
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Química Nova, 2006 Activation energy (Ea) is a parameter that can be applied to make predictions about the quality of oils to be used in an ICO engine. In this study, Ea was determined by thermogravimetry following two different procedures: ASTM E 1641 and Model-free ...
Leiva Cecilia Rocío Morales +2 more
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Meikuang Anquan, 2023 In order to explore the influence of magmatic intrusion on coal spontaneous combustion characteristics in deep mines, the micro functional groups and spontaneous combustion process changes of magmatic intrusion coal and raw coal were compared and studied
Zhenkai NING, Han GAO, Ju ZHAO
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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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Biodegradation of polycyclic aromatic hydrocarbons in soil contaminated with coal tar [PDF]
Acta Montanistica Slovaca, 2006 Polycyclic aromatic hydrocarbons (PAHs) are a group of serious contaminants of air, water soil and sediments. Persistence and accumulation of PAHs in the environment is due to their hydrophobicity and hence low solubility and bioavailability to microbial
Ondrej Tischler +3 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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