反复无常
发表于 2025-3-28 18:05:41
Fractionation Of Asphalt By Thin-Layer Chromatography Interfaced With Flame Ionization Detector (TL Fourier transform infrared spectrometer (FTIR) for special identification of asphalt. This method can be applied in practice for separation of chemical substances especially in medicine and biology, lipid chemistry and the characterization of crude oil.
奴才
发表于 2025-3-28 21:05:33
Upgrading From Petroleum And Coal-Derived Asphaltenes,
ALE
发表于 2025-3-28 23:51:23
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APNEA
发表于 2025-3-29 04:46:30
Asphaltene Particles in Fossil Fuel Exploration, Recovery, Refining, and Production Processes978-1-4615-2456-4
完成才能战胜
发表于 2025-3-29 08:44:40
Book 1994in four broad categories: (1) Bitumen and Coal-Derived Asphaltenes, (2) Asphalt and Asphaltene conversion, (3) Surface and Colloidal Aspects of Asphaltenes, and (4) Thermodynamic and Molecular Aspects of Asphaltenes.
TIGER
发表于 2025-3-29 15:18:31
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RENAL
发表于 2025-3-29 15:49:47
Columnar Phases of Liquid Crystals,d in the preferential formation of asphaltenes at an early stage of ageing process. For temperatures below approximately 90°C, it has been observed that the laboratory simulations data are closely related to the changes observed in road conditions.
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发表于 2025-3-29 22:19:07
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荨麻
发表于 2025-3-30 03:35:43
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HEED
发表于 2025-3-30 07:12:29
https://doi.org/10.1007/978-3-642-46508-6 may be due to the increase of surface charges and double layer expansion. In the autoclave experiments, the suggested surfactant not only raises the yield of coal liquefaction but also changes the distribution of products. Under the same condition, almost twice the yield was obtained for both coal