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INTRODUCTION
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Statement of the Problem
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AIM OF THE WORK
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MATERIALS AND METHODS
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Chemical Analyses of the Samples
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Media Used in This Study
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Screening of Crude Oil Utilizing Fungi on Liquid Medium
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Screening for Extracellular Lipase Production
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Kinetiks of Extracellular Lipase
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EXPERIMENTAL RESULTS
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Fungi Recovered in the Present Investigation
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Chemical Analysis of Soil Samples
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Fungi Isolated from Gasoline Polluted Soils
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Fungi Isolated from Kerosene Polluted Soils
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Fungi Isolated from Mazot Polluted Soils
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Fungi Isolated from Solar Polluted Soils
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Comparison Between Mycoflora Isolated from Four Hydrocarbons Polluted Soils (gasoline, kerosene, mazot and solar) on Two Types of Media
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Kinetikcs of Extracellular Lipase
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DISCUSSION
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SUMMARY
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REFERENCES
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ِArabic summary