Abstract: Accurate modeling is an important aspect for a reliable design, control and optimization of proton exchange membrane (PEM) fuel cell. The mathematical model of PEM fuel cell involves a set ...

The Cobb method, or Cobb angle, helps doctors track changes in the spinal curve over time. Clinicians use it to guide treatment decisions, especially during growth spurts in adolescence. It provides a ...

For decades, the government has placed restrictions on the use of the cash method of accounting. One of the reasons was that the cash method was used by some “tax shelters” to provide investors with ...