Abstract Uncontrolled population increase has a direct impact on the development of human resource quality, and rate economic growth is becoming increasingly challenging. It was purpose study to apply artificial intelligence tools examine forecasts active family planning participants. Between 2019 2020, Pematangsiantar’s participants will be counted as part dataset. The dataset gathered through...

OBJECTIVE The purpose of this study was to quantify rates of back pain among whitewater rafting guides and to look for correlations between the presence of back pain and specific activities associated with guiding. The secondary objective was to provide suggestions for outfitters according to the results of this study, which may be of assistance to their guide staff. METHODS A mail-out-mail-b...

Lumbar spondylolysis is a common cause of low back pain in adolescent athletes. It is a unilateral or bilateral defect of the pars interarticularis. The cause is still a matter of debate. A wide range of conservative treatments has been used. The purpose of this critical literature review is to investigate the efficacy of external electrical stimulation in the healing of this disorder.

In this paper, an improved back-to-back converter is proposed, and the used as a test power source for vector inspection of relay protection in active distribution network, which effectively solves problem that output voltage current cannot be continuously stably adjusted. Firstly, three-phase cascade established to analyze impedance characteristics its DC terminal. Then feedforward added inver...