in russia (formerly ussr) study of biomodulation action (bma) mechanisms of low-intensity laser irradiation (lili) began in 1964, immediately after the development of lasers. during the period from 1965 to 1972 several dozens of scientific conferences were held, hundreds of studies were published. generally, secondary mechanisms and results of lili effect on patients with various diseases were ...

background: one of the most important indicators in public health is earlier traits of new born specially birth's weight. the aim of this study was determined effects of biological and psychological traits mothers on low birth weight in isfahan province. methods: this research performed on 910 new born and delivered mothers of isfahan province in 2009. according to the percentage of population ...

‎ introduction: controversial results have been reported about the effect of morphine and stress on learning and spatial memory in rodents. there are very few studies about the effects of ultra low doses of morphine on memory. in this study, effects of acute administration of low and usual doses of morphine on memory formation and retention in the presence and absence of repeated stress were in...

a new output structure for class e power amplifier (pa) is proposed in this paper. a series lc resonator circuit, tuned near the second harmonic of the operating frequency is added to the output circuit. this resonator causes low impedance at the second harmonic. the output circuit is designed to shape the switch voltage of the class e amplifier and lower the voltage stress of the transistor. t...

in modern decentralised health systems, district and local managers are increasingly responsible for financing, managing, and delivering healthcare. however, their lack of adequate skills and competencies are a critical barrier to improved performance of health systems. given the financial and human resource, constraints of relying on traditional face-to-face training to upskill a large and dis...

a new approach for propulsion system layout that increases power and enhances the efficiency of submarine propulsion system is proposed.using our method,the efficiency and power of the system enhances without increasing volume and weight. this layout improves the performance compared to the usual layout, which employs double-armature motors in cruise speed where efficiency is more critical. thi...