On any type of refrigeration system, from small reach-in coolers all the way to large chillers, controlling the head pressure of the refrigerant is important. That’s because it helps keep the system ...

CO 2 refrigeration (R-744) systems operate at significantly higher pressures compared to legacy hydrofluorocarbon (HFC) systems. For example, on hot summer days, between its medium-temperature ...

January 28, 2019 When performing a preflight, it is important to review the temperature compensation chart next to the oxygen cylinder to make certain you have a full supply of oxygen when needed.

Commentary Published: 28 October 2010 The risk of cold temperature: an important aspect of the determination of morning blood pressure surge Yuichiro Yano & Kazuomi Kario Hypertension Research 34 ...