Abstract: This paper describes a theory to synthesize nonisolated dc-dc converters. It uses the fundamental flux balance equation across the inductors of a converter as a starting point in this ...

In this video, I demonstrate how to make an oxygen generator using manganese dioxide (MnO2) and hydrogen peroxide (H2O2) Alaska’s record snowfall sank boats and collapsed roofs Massive fraud ...

This is part 1 of a 2-part series. As fall approaches in the northern hemisphere, like many of us who either follow an academic calendar for our work or have children in school, I'm preparing for a ...

半导体碳化硅(4H-SiC)材料具有硬度高、脆性大、化学性质稳定等特点，一般使用化学机械抛 光工艺来加工 SiC 以获得超光滑平坦表面。湿法氧化作为单晶 SiC 化学机械抛光的重要过程，直接影 响着 CMP 的速率和表面质量。本文综述了目前单晶 SiC 湿法氧化的研究 ...

While you can slip and fall at any point in life, it’s more common with age. More than 1 out of 4 older adults take a tumble each year, and about 20 percent of these falls lead to injuries such as ...

Balanced doors help create entrance systems that are unlike any other. From best-of-the-best aesthetics to extreme durability, effortless operation, and hardware designed for a lifetime of use, ...

College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123, China ...