Search Results
agreement with that of rhombohedral BiFeO 3 , with space group R3c (161), lattice parameters a = 5.588 Å, b = 5.588 Å, c = 13.867 Å, α = β = 90 o , γ = 120 o , density = 8.311 g cm −3 , from PDF card 71-2494. Intensity of diffraction peaks of Bi
. Knicker , H , Lüdemann , HD . N 15 and C- 13 CPMAS and solution NMR studies of N- 15 enriched plant material during 600 days of microbial degradation . Org Geochem 1995 23 : 329 – 341 10
Solid-state compounds of 2-methoxybenzylidenepyruvate and 2-methoxycinnamyllidenepyruvate with thorium (IV)
Preparation and thermal studies
.89339 16 C 13 11 10 1.3905 120.44954 0.0192 −7.4419 4.94579 −2
ceramic pastes ranging in the tempering: A pure clay, B 2/3 clay + 1/3 temper, C 1/3 clay + 2/3 temper. Mass loss: m 1 at dehydration and m 2 at dehydroxylation Fig. 3
analyses From the analysis, the cell parameters of DGCC were found to be a = 8.2820 Å, b = 9.0720 Å, c = 13.734 Å, α = β = 90° and γ = 106.12°, the cell volume = 991.32 Å 3 . The structure was solved by the direct method using the SHELXL
.1016/0014-3057(94)90013-2 . 22. Yang , L , Heatley , F , Blease , TG , Thompson , RIG . A study of the mechanism of the oxidative thermic degradation of poly(ethylene oxide) and poly(propylene oxide) using H 1 and C 13 NMR . Eur Polym J 1996
sulfathiazole in a 50:50 mixture of acetone: chloroform at 50 °C (1.3 g in 100 mL) 5 II (SUTHAZ05) Boiling to evaporate a saturated aqueous solution of sulfathiazole at 60 °C
. He , HP , Frost , RL , Deng , F , Zhu , JX , Wen , XY , Yuan , P 2004 Conformation of surfactant molecules in the interlayer of montmorillonite studied by C-13 MAS NMR . Clays Clay Miner 52 : 350 – 356 10.1346/CCMN.2004
Thermal analyis of hexadecyltrimethylammonium–montmorillonites
Part 1. Thermogravimetry, carbon and hydrogen analysis and thermo-IR spectroscopy analysis
–160 °C), 13.4% (160–350 °C), 7.0% (350–480 °C), 4.2% (480–655 °C), and 7.2% (655–900 °C), respectively. These results suggest that the type of the quasi-charcoal depends on the initial loading of the HDTMA–MONT. Carbon and
Artificial pozzolanic cement pastes containing burnt clay with and without silica fume
Physicochemical, microstructural and thermal characteristics
of producing geopolymer cements is 700 °C [ 13 ]. The object of this article is to study the physicochemical and mechanical properties of the hardened pozzolanic cement pastes made of OPC–BC blends, and the results were compared with those of
