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This work is a consultative techno- economic study. It deals with power plants design. Al-Husain thermal power plant, which used to be one of the main power plants in Jordan, is redesigned in this project and proposed as a combined cycle power plant. This work introduces a wide and various practical information about power plants, so it can help the studiers and the students to coin a comprehensive, wise and true concepts about power plants design and performance.

Field and laboratory studies were carried out to determine efficacy of four insecticides viz., chlorpyrifos, alphacypermethrin, imidacloprid and bifenthrins+cypermethrin. Mortality was determined at predetermined time intervals at six concentrations of each insecticide under laboratory conditions compared with one control concentration. Chlorpyrifos 48 EC was the most effective followed by alphacypermethrin 10 SC, imidacloprid 5 EC and cypermethrin+bifenthrin 3.5 EC, having LT50 values 39.07h, 41.45h, 50.45h and 54.45h respectively. The movement of termites around ERL building from two...