G. Rumay Alexander, EdD, RN

G. L. Alexander

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MEEN 651 Control System Design Dr . Alexander G . Parlos

The complex exponential signal is given by x(t) = C e, (1) where C and a are, in general, complex numbers. If these are real numbers, then x(t) is called a real exponential and depending on the sign of a it can become either a growing exponential (a > 0) or a decaying exponential (a < 0). If a = 0 then x(t) is the constant C. An equally important class of complex exponential signals is obtained...

NATION WIDE Rn AND Rn ATLAS FOR INDIA

Considering the epidemiological effect of radon on human beings, an attempt is made to make a nation-wide atlas of Rn and Rn for India. More than 5000 measurements have been carried out in 1500 dwellings across the country, India. The solid state nuclear track detectors were deployed for the measurement of indoor Rn, Rn and their progeny levels. The mean annual inhalation dose rate due to Rn, R...

APPLICATION OF NIST ^Rn EMANATION STANDARDS FOR CALIBRATING ^Rn MONITORS

Several years of research in developing a radon emanation standard by the National Institute of Standards and Technology (NIST) has led to NIST Radon Emanation Standard SRM 4968 (Journal of Research of the MST 100:629-639; 1996). This new standard is based on a polyethylene -encapsulated ""Ra solution that has been demonstrated to emanate a well-characterized and known quantity "̂Rn when employe...