Abstract: Various types of pressure sensors have been developed because pressure monitoring is essential in a variety of fields. Among these, optical methods have attracted attention due to their high ...

Abstract: In the dual three-phase permanent magnet synchronous motor (DTP-PMSM) drive, the loss of current information will lead to degradation of control performance. This paper proposes a resilient ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Objective To investigate Vietnamese undergraduate students’ knowledge and attitudes towards contraception and their associated factors. Design Cross-sectional study. Setting Six universities in ...

Ever wonder how we collect our data? Today, most polls are conducted online. But, most pollsters reject the idea that “one size fits all” when it comes to polling, so we still use phone calls or mail ...

Stratified sampling is used to select a sample that is representative of different groups. If the groups are of different sizes, the number of items selected from each group will be proportional to ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...