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Updated: May 16, 2026

Extraction and Analysis of Microbial Phospholipid Fatty Acids in Soils
Published on: August 26, 2016
A combination method to study the effects of petroleum on soil microbial activity
Wen Wen She1, Jun Yao, Fei Wang
1School of Civil and Environmental Engineering, National International Cooperation Base on Environment and Energy, University of Science and Technology Beijing, Beijing, 100083, People's Republic of China.
Abstract:
TAM III multi-channel calorimetry was applied to study the effect of different concentrations petroleum on soil microbial activity and community. The microbial activities of the soil samples were recorded as power-time curves. The thermokinetic parameters such as microbial growth rate constant k, total heat evolution Q(T), metabolic enthalpy ∆H (met) and mass specific heat rate J(Q/S) were calculated. Results showed that petroleum had a certain extent effects to soil microorganisms. The results indicate that the soil microbial activity was promoted with a petroleum concentration lower than 0.52 % ± 0.24 %, but inhibited with further increase in petroleum.
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