This paper presents a control system design methodology for the drill-string rotary drive and draw-works hoist system sukrensi.com aimed at mature drilling rig retrofitting.The rotary drive is equipped with an active damping speed control system featuring a proportional-integral speed controller readily available within modern controlled electrical
Introduction and Aim: The uThongathi Estuary was found to be in a poor ecological state and the water offworld drum pads pollution was due to the discharge from the wastewater treatment plant, industrial, agricultural and residential sectors of Tongaat.The aims of this paper were therefore to explore the need for phytoremediation, as well as to sho
Fresh red chili peppers is a product that spoils easily and has a concise vegetable glycerin for sale shelf-life.Coating a natural edible coating on fresh red chili peppers will significantly increase their shelf-life.This research aims to obtain the best concentration of ginger extract in the edible coating of banana hump starch to extend the shel
Background: Recurrent spontaneous abortion (RSA) is intricately linked to metabolic dysregulation at the maternal-fetal interface during early gestation.Abnormal levels of essential fatty acids and downstream oxylipins in decidua and chorionic villi have been identified as potential risk factors for RSA.Oxylipins have been linked to excessive infla