Abstract: Population aging is a significant trend in human societal development, emphasizing the urgent need to build a pension service system that aligns with this aging process. Therefore, ...

In August last year, a citizen walks along the Daecheong Dam walking path in Daedeok-gu, Daejeon, enjoying the midsummer atmosphere. /Yonhap A study has found that when it comes to walking exercise, ...

Clocking up at least 4000 daily steps on just 1 or 2 days per week is linked to a lower risk of death and cardiovascular disease among older women, finds research published online in the British ...

If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...

Abstract: This paper proposes a three-port resonant DC/DC converter with fixed-switching-frequency pulse width modulation (PWM) method and reduced component count for the stand-alone photovoltaic (PV) ...