Results 91 to 100 of about 491 (132)

Characterization of the Surfaces and Near-Surface Atmospheres of Ganymede, Europa and Callisto by JUICE. [PDF]

Space Sci Rev
Tosi F, Roatsch T, Galli A, Hauber E, Lucchetti A, Molyneux P, Stephan K, Achilleos N, Bovolo F, Carter J, Cavalié T, Cimò G, D'Aversa E, Gwinner K, Hartogh P, Huybrighs H, Langevin Y, Lellouch E, Migliorini A, Palumbo P, Piccioni G, Plaut JJ, Postberg F, Poulet F, Retherford K, Rezac L, Roth L, Solomonidou A, Tobie G, Tortora P, Tubiana C, Wagner R, Wirström E, Wurz P, Zambon F, Zannoni M, Barabash S, Bruzzone L, Dougherty M, Gladstone R, Gurvits LI, Hussmann H, Iess L, Wahlund JE, Witasse O, Vallat C, Lorente R.   +46 more
europepmc   +1 more source

Use and trade of bitumen in antiquity and prehistory: molecular archaeology reveals secrets of past civilizations [PDF]

Philos Trans R Soc Lond B Biol Sci, 1999
europepmc   +1 more source

OXIDATION STUDIES ON ŞIRNAK ASPHALTITES. DETERMINATION OF KINETIC PARAMETERS

Oil Shale, 2004
openaire   +2 more sources

De Yam sûf s. mari Asphaltite

Waehner, Andreas Georgius, Oldermann, Johann   +1 more
core  

Salt Flotation of Şirnak Asphaltite

Energy Sources, Part A: Recovery, Utilization and Environmental Effects, 2011
Abstract The aim of this study was to investigate the possibility of cleaning Sirnak asphaltite by salt flotation. For this purpose, experimental studies were conducted on a Sirnak asphaltite sample containing high ash and sulfur content. The effects of salt amount, pH, frother amount, and impeller speed on the flotation were investigated separately in
Temel, H. A., H. A. Temel
exaly   +3 more sources

A kinetic investigation on the pyrolysis of Seguruk asphaltite

Journal of Polymer Research, 2008
The pyrolysis of Seguruk asphaltite has been investigated using thermogravimetric analysis at atmospheric pressure between 293 to 1223 K at different linear heating rates of 5, 10 and 20 K min−1 under nitrogen as ambient gas. There was a two-stage thermal decomposition. Thermal decomposition started around 630 K for stage 1 for the slowest heating rate.
Abdurrahman Saydut
exaly   +5 more sources

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Extraction of Asphaltite with Toluene

Solid Fuel Chemistry, 2018
The extraction of asphaltite with toluene was carried out at 100–300°C. With the use of X-ray fluorescence analysis, the effect of the extractant on the redistribution of organic substances between the initial and extracted asphaltites was found.
Eldar Movsumzade, V Yu Kerimov, A M Ilolov   +2 more
exaly   +2 more sources

Selective oil agglomeration in Sırnak asphaltite beneficiation

Fuel, 2004
Abstract In this study, the possibility of cleaning Sirnak asphaltite by the agglomeration method was investigated. Experimental studies were conducted on the asphaltite sample with ash, sulphur, volatile matter and fixed carbon contents of 44.8, 6.0, 38.0, and 17.2 wt%, respectively. For this purpose, laboratory tests were carried out to investigate
Abakay, H, Ayhan, FD, Kahraman, F
openaire   +3 more sources