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11Direct drive mechanism — A Direct drive mechanism is one that takes the power coming from a motor without any reductions (such as a gearbox). Contents 1 Advantages 2 Disadvantages 3 Applications 3.1 High speed …
12Direct conflict deaths — Armed conflicts – including cross border and civil wars – destroy lives and livelihoods. Both combatants and civilians are killed as a result of armed conflict. But establishing a firm estimate of the numbers of people directly killed as a result …
13Direct part marking — An example of a Data Matrix marked on the surface Direct Part Marking (DPM) is a process to permanently mark parts with a barcode. This is done to allow the tracking of parts through the full life cycle. The interpretation of permanent often… …
14stress — An imprecise concept, popular in everyday and academic discourse. It may refer to external situational pressures (stressors) or to the responses to them (stress reactions) responses usually assumed to have physical and psychological components,… …
15Retrograde and direct motion — Direct motion is the motion of a planetary body in a direction similar to that of other bodies within its system, and is sometimes called prograde motion. Retrograde motion is motion in the opposite direction. In the case of celestial bodies,… …
16Posttraumatic Stress Disorder — (PTSD) (See also Psychosis: Emergence: psychogenic [reactive] psychoses [1916].) Interest in the psychiatric consequences of trauma initially arose following the enactment of health and accident insurance systems in the second half of the… …
17Voice stress analysis — (VSA) technology is said to record psychophysiological stress responses that are present in human voice, when a person suffers psychological stress in response to a stimulus (question) and where the consequences may be dire for the subject being… …
18Effects of stress on memory — The effects of stress on memory include interference with one’s capacity to encode and ability retrieve information.[1] When stress occurs, the body reacts by secreting stress hormones into the blood stream. Over secretion of stress hormones most …
19Shear stress — SI symbol: τ SI unit: pascal Derivations from other quantities: τ = F / A …
20Oxidative stress — represents an imbalance between the production and manifestation of reactive oxygen species and a biological system s ability to readily detoxify the reactive intermediates or to repair the resulting damage. Disturbances in the normal redox state …
