Coronary flow reserve (CFR) is a key sign of coronary artery disease, namely how the coronary arteries that feed blood to the heart may adapt to various physiological situations such as exercise, ...

The flow of all fluids, whether liquid or gas, will have one of three states: laminar, turbulent, and transitional. This article discusses flow principles and pressure-based flow measurement. Laminar ...

Hydrogen has long played a key role as an industrial feedstock in petroleum refining, fertilizer production, and chemical manufacturing. However, conventional methods of producing hydrogen generate ...

Flow measurement is the quantification of bulk fluid or gas movement. Volumetric flow rate is sometimes measured in "standard cubic centimeters per minute" (abbreviation sccm), a unit acceptable for ...

Classical methods for measuring regional blood flow cannot be combined with morphological or cellular assessment of the same tissue. Although MRI provides a measure of the distribution of the blood ...

Researchers have discovered a novel, non-invasive way to measure blood flow to the brains of newborn children at the bedside -- a method that has the potential to enhance diagnosis and treatment ...

You know when you’ve found the flow. You experience it when you are doing something that engages you so fully that time seems to fly by. Maybe it’s a job, or something completely different, like chess ...