1 Conversion disorder: A somatic symptom disorder involving the actual loss of bodily function such as blindness, paralysis, and numbness due to excessive anxiety. 2  Illness anxiety disorder: A somatic symptom disorder involving persistent and excessive worry about developing a serious illness. diagnosis of somatic symptom disorder requires that the subject have recurring somatic complaints for at least six months. Symptoms are sometimes similar to those of other illnesses and may last for years. Usually, the symptoms begin appearing during adolescence, and patients are diagnosed before the age of 30 years.
Ship owners prefer single engine/single propeller designs and the new generation of larger container ships (or post-Panamax) called for a bigger engine to propel them. The RTA96C-14 turbocharged two-stroke diesel engine is produced by Swiss company Wartsila-Sulzer and is the largest and most powerful diesel engine in the world today.
Diesel Helicopter Coming Within 5 Years. The largest helicopter maker in the world has announced it is committed to developing a diesel-powered helicopter in the next five years. Eurocopter displayed an example of a possible diesel piston-engine design at this week's Heli-Expo in Houston.