An experimental investigation of a double concentric bluff body flame holder / Islam Ibrahim Ahmed ; Supervised Youssef Ibraheim Abd El aziz , Yasser Sherif Elmanadily , Hazem Barakat

Thesis (M.Sc.) - Cairo University - Faculty Of Engineering - Department Of Civil Engineering

satisfies the needs for a wide sector of map users including urban city planners , as well as several GIS applications Urban and rural areas are viewed as large complex heterogeneous systems that include buildings , road and water networks , bridges , man - made features , natural elements such as agricultural land , water bodies , shorelines , {u2026}etc All these objects are spatially distributed within a certain geographical extent and have to be associated and linked with a larger external world Moreover , because of continuous development , expansion , up - grading , and other circumstances , the spatial locations and physical conditions of natural and man - made features can change Such spatial and physical information is one of the most important data sources in information technology based applications such as city planning , traffic network management , design and maintenance of different utility networks , and many others Accordingly the need for up - to - date maps is not a matter of choice but it is actually a must

Issued also as CD