head flowmeter
21Venous Translucence — Venous translumination or translucence, has been applied in phlebology since 1996 by the surgeon Pedro Fernandes Neto, during ambulatory clinical exams (Brazil). The results were registered in annals of national and international congresses of… …
22Positive displacement meter — A positive displacement meter is a type of flow meter that requires the fluid being measured to mechanically displace components in the meter in order for any fluid flow to occur. Positive displacement (PD) flowmeters make volumetric flow… …
23Nutating disc engine — A nutating disc engine (also sometimes called a disc engine) is an internal combustion engine comprising fundamentally of one moving part and a direct drive onto the crankshaft. Initially patented in 1993, it differs from earlier internal… …
