DESIGN AND MANAGEMENT OF EL-NENAEIA FISH FARM: AS A RECIRCULATING AQUACULTURE SYSTEM DESIGN OF A ROTATING BIOLOGICAL CONTACTOR IN A RECIRCULATING AQUACULTURE SYSTEM DESIGN OF A ROTATING BIOLOGICAL CONTACTOR IN A RECIRCULATING AQUACULTURE SYSTEM Evaluation of a simple locally designed evaporative cooler for Rabbite Barns Simulation model for intensive fish farming PHYSICAL AND CHEMICAL PROPERTIES OF SOME SOILLESS MEDIA EFFECT OF SOME ENGINEERING FACTORS ON THE PROPERTIES OF THE BIOFERT ENERGY CONSUMPTION IN MANUFACTURING OF DIFFERENT TYPES OF FEEDS GRINDING PARAMETERS AND THEIR EFFECTS ON THE QUALITY OF CORN FOR FEED PROCESSING Role of feeding rate in energy consumption and mechanical properties for different types of feed pellet Development and evaluation of an onion peeling machine SOME ENVIRONMENTAL PARAMETERS AFFECTING SWEET PEPPER GROWTH AND PRODUCTIVITY UNDER DIFFERENT GREENHOUSE FORMS IN HOT AND HUMID CLIMATIC CONDITIONS Application of agriculture bio system engineering technologies is a must to develop Egyptian agriculture sector. Evaluation of some biodynamic applications on cotton, sesame and wheat under Egyptian conditions evaluating the current system of onions storage in egypt Physical and mechanical properties of some Egyptian onion cultivars