الفهرس 
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Abstract
The present work aimed to the production of some microbial industrial enzymes (avicellase, endoglucanase and CMCase) through the biodegradation of rice straw waste by SSF, using some local microbial isolates of microbes. Different culture conditions affecting the enzymes production by Aspergillus fumigatus and Streptomyces viridochromogenes were examined. 1- Isolation of lignocellulose-degrading microbes from agriculture residues. 2- Selection the most active microbial strains on selective medium containing rice straw. 3- The cultural conditions for avicellase, endoglucanase, and CMCase production, were investigated by growing Aspergillus fumigatus and Streptomyces viridochromogenes on rice straw. 4- The physiochemical and kinetic properties of the active avicellase, endoglucanase and CMCase produced by A. fumigatus and S. viridochromogenes were investigated: 1- Different incubation periods. 2- Different temperature. 3- Different pH levels. 4- Different substrate concentration. 5- Enzymes thermostability. 5- Study of the bio-ethanol production, using Sacchromyces cerevisiae