Capillary tubes are generally used as the metering device on small, fractional-horsepower refrigeration systems. Charging these systems with refrigerant requires a different procedure than those ...

Tube radial distribution chromatography (TRDC) is an innovative separation technique that exploits the spontaneous radial segregation of mixed solvent systems under laminar flow conditions in ...

THE measurement of the packed red-cell volume (or hematocrit) of the venous blood has long been recognized as a useful aid in the study of blood in a large number of clinical conditions. The technic ...

Nancy Dubrowny, MS, MT(ASCP)SC, BD Preanalytical Systems, and chairholder of the subcommittee that developed the guideline, says, "One benefit of this document is that it provides a recommendation for ...

A new way of looking at hummingbird tongues sees them mainly as long, skinny pumps. This view challenges an old notion of how hummingbirds sip — that nectar flows up open grooves in the tongue the way ...