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introduction: as far as application of chemicals as disinfectants may have side effects on human health and causes drug resistance, the topic of herbal and natural products has been investigated in recent researches. nevertheless, application of medicinal smokes in the treatment of many diseases, including bacterial and infectious diseases has long been popular in iran. smoke from the burning o...

the older population in the world especially in iran is growing. according to census the number of individuals aged is approaching5/07 million in 2006 the nation is bracing for the aging of baby boom generation in 20 next year, which will swell the 65 and older population to10 million by 2020 and 26 million by 2050. (iran census, 2006) this population trends ported increased demand for health c...

A geometrical construction of the transcomplex numbers was given elsewhere. Here we simplify the transcomplex plane and construct the set of transcomplex numbers from the set of complex numbers. Thus transcomplex numbers and their arithmetic arise as consequences of their construction, not by an axiomatic development. This simplifies transcomplex arithmetic, compared to the previous treatment, ...