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The current work aims at the preparation and characterization of novel composite materials of acrylic acid/charcoal/montmorillonite (MMT) (PAACM and AMC). They are characterized using SEM, EDX, and TGA. The work handled the removal of cesium and strontium ions, as a model radioactive waste, their concentrations were determined using ICP. The experimental results showed that PAACM composite has a sorption...
Operational amplifiers have been used for interfacing analog signals to microcontrollers units. Due to its random nature, analog signals vary very much, perhaps then exceed the voltage ranges of operation. Chip manufacturers protect their chips by using diode circuits, but those diodes are not intended to normal use. To overcome the signals which may exceed the limit, clamping circuit have been used...
Flyback converters have been quite used for DC-DC conversion and electrical isolation since they are simple to operate, minimum component count and small size. Flyback converter like any other switch mode power supply (SMPS) has two modes of conduction, the best mode for the design is selected and implemented. Due to its operation in relatively high frequency in range of 100 KHz compared to 50 Hz...
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