Salma Dziri

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The essential oils of Daucus carota L. (Apiaceae) seeds sampled from ten wild populations spread over northern Tunisia were characterized by GC-FID and GC/MS analyses. In total, 36 compounds were identified in the D. carota seed essential oils, with a predominance of sesquiterpene hydrocarbons in most samples (22.63-89.93% of the total oil composition). The(More)
The effects of cement dust on the chemical composition of essential oil, lipid peroxidation and antioxidant enzyme activities of Aleppo pine (P. halepensis) needles were studied. Cement dust resulted in a significant decrease in the yield of essential oil with the effect being more pronounced in the close vicinity of the cement factory. A concomitant(More)
Some of the radionuclides used for efficiency calibration of a HPGe spectrometer are subject to coincidence-summing (CS) and account must be taken of the phenomenon to obtain quantitative results when counting samples to determine their activity. We have used MCNPX simulations, which do not take CS into account, to obtain γ-ray peak intensities that were(More)
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