LUNG CANCER Up to the time of World War II, cancer of the lung was a relatively rare condition. The increase in its incidence in Europe after World War II was at first ascribed to better diagnostic methods, but by 1956 it had become clear that the rate of increase was too great to be accounted for in this way. At that time the first epidemiological studies began to indicate that a long history of cigarette smoking was associated with a great increase in risk of death from lung cancer.
Содержание Аннотация Выбор основного оборудования и описание принятой компоновки станции Принципиальная тепловая схема блока и расчет ее на заданный режим
1. Communication Theory. Communication theory deals primarily with systems for transmitting information or data form one point to another. A rather general block diagram for visualizing the behavior of such systems is given in Fig. 4.1. The source output might represent, for example, a voice waveform, a sequence of binary digits form a magnetic tape, the output of a set of sensors in a space probe, a sensory input to a biological organism, or a target in a radar system.
МІНІСТЕРСТВО ОСВІТИ УКРАЇНИ ПРИАЗОВСЬКИЙ ДЕРЖАВНИЙ ТЕХНІЧНИЙ УНІВЕРСИТЕТ ФАКУЛЬТЕТ Інженерно-педагогічний КАФЕДРА АТП і В СПЕЦІАЛЬНІСТЬ 7.0925.01