Epidemiology is concerned with the incidence of disease in populations and does not address the question of the cause of an individual's disease.This question, sometimes referred to as specific causation, is beyond the domain of the science of epidemiology.he subdiscipline of forensic epidemiology is directed at the investigation of specific causation of disease or injury in individuals or groups of individuals in instances in which causation is disputed or is unclear, for presentation in legal settings.
Major system characteristics. Tacan stands for Tactical Air Navigation and is a system which, working in the u.h.f. band, between 962 and 1,214 Mc/s, gives to a pilot continuous information as to his range and bearing from a beacon.
How Vaporizers Work. An illustration of the basic principle might be helpful before explaining the mechanical aspects to answer the question, âHow does a vaporizer work?â A good example would be the process that wood undergoes when it is burned in a fireplace. When lit, the wood first loses its moisture content and dries out.