This paper deals with a novel natural sampled pulse width modulation (PWM) switching strategy for voltage source inverter California through copyright modification.The proposed inverted sine copyright PWM (ISCPWM) method, which uses the conventional sinusoidal reference signal and an inverted sine copyright, has a better spectral quality and a high
This paper documents the socialization process of beginner-level Japanese university students into an on-campus English lounge over a year.Although ALOE ESSENCE initially feeling highly stressed, ten out of 37 students successfully continued their bi-weekly visits to the English lounge over a full academic year by going there as a small group of th
Community lockdowns and travel restrictions are commonly employed to decelerate epidemic spreading.We here use a stochastic susceptible-infectious-recovered model on different social networks to determine when and to what degree such lockdowns are likely to be effective.Our research shows Meat Slicers that community lockdowns are effective only if
SARS-CoV-2 started spreading toward the end of 2019 causing COVID-19, a disease that reached pandemic proportions among the human population within months.The reasons for the spectrum of differences in the severity of the disease across the population, and in particular why the disease affects more severely the aging population and those with speci