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461
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462
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463
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464
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465
Exploratory investigation on conversion behaviors and coking tendency during coal-based asphaltene hydrogenation processes
منشور في 2024"…Besides, methyl and methylene carbons are easily cleaved, and protonated aromatic carbons are converted to bridgehead aromatic carbons during hydrogenation process, which increases the aromaticity of asphaltene from 61.43% to 83.90% at 470°C.…"
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466
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467
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468
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469
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470
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471
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472
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473
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474
Number of samples tested, seropositivity and anti-mumps antibody titers in different groups.
منشور في 2025الموضوعات: -
475
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476
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477
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478
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479
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480