BACKGROUND:In ecological situations, threatening stimuli often come out from the peripheral vision.Such aggressive messages must trigger rapid attention to the periphery to allow a walter hagenah me 262 fast and adapted motor reaction.Several clues converge to hypothesize that peripheral danger presentation can trigger off a fast arousal network po
Introduction: Root canal preparation may cause inadvertent apical extrusion of debris causing postoperative pain.This debris varies with the instrumentation technique and design characteristics.One of the major revolutions in the design of the instruments is the introduction of files with an offset center of mass or/and rotation, which causes asymm
This paper deals with a levelling machine for a seedling bed of a rice plant, which is a labor saving device in agricultural pbr keg work.In order to make the seedling bed flat, the levelling machine vibrates by rotary motion of an eccentric rotor and presses the ground by the base plate of the machine.It is found that at a specific rotating speed,