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BPCA ratios and proxies evaluated in this study. The variable <i>n</i> in the equation for the Average CAS refers to the number of carboxylic acid substitutions (3, 4, 5 or 6). The “expected correlations” column details the trends anticipated for the values yielded by the ratio or proxy as a function of pyrolysis temperature, with implications for aromaticity and aromatic condensation. For instance, with hotter pyrolysis temperatures (red arrow), the average CAS should increase. This is indicative of increased aromaticity (“+ arom”) and increased aromatic condensation (“+ cond”)....
Published 2025“…This is indicative of increased aromaticity (“+ arom”) and increased aromatic condensation (“+ cond”). …”
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Effect of Sulfur Contents on Polycyclic Aromatic Compounds in Low-Rank Bituminous Coals
Published 2024“…The ratios of total contents of polycyclic aromatic hydrocarbons (PAHs) to total PACs (T-PAHs/T-PACs) are 89.1%, 88.2%, and 82.0% in the low-, middle-, and high-sulfur coals, respectively, indicating a decreasing trend from low- and middle-sulfur coal to high-sulfur coal. …”
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Loading Thiacorrole with Various Aromatic Rings: Enhanced NIR Absorption and Improved OER Activity
Published 2025“…A series of aromatic ring-fused thiacorroles have been synthesized through the Diels–Alder reaction of sulfolenothiacorroles. …”
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DataSheet1_Physiological characteristics during the formation of aromatic components in xylem of Aquilaria sinensis induced by exogenous substances.docx
Published 2024“…Additionally, malonaldehyde content decreased obviously, while proline content tended to increase and then decrease as induction continued. …”
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Table 1_Physical and chemical characteristics of pyrogenic carbon from peatland vegetation fires differ across burn severities.xlsx
Published 2025“…Low to high severity samples had relatively low surface areas compared to the very high severity samples, which exhibited the greatest surface areas and a high degree of variability. O/C and H/C ratios decreased with increasing severity. FTIR showed that distinct spectra were produced between severity groups, reflecting increased sample aromaticity with burn severity.…”
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Molecular ratios for selected PAHs, and compositional relationship between Pyr and BaP.
Published 2025Subjects: -
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