Dear C . B . : Mechanical disc valves are usually used in young patients because they do not usually wear out; however, anticoagulation ( blood thinner ) is usually required.
12.
The BD Uniject is a prefilled vaccine syringe that uses a plastic bulb instead of a plunger and has a disc valve to prevent reuse ( Becton, Dickinson, and Company, 2005 ).
13.
They were designed mainly for the'farm bike'market, a dirt / trail or dirt / road machine powered by a single cylinder, two stroke, rotary disc valve engine with displacement of 99.7cc producing 11.5 hp @ 7500 rpm.
14.
Like IFA, Engineer Daniel Zimmermann ( born 1902 ) based his ZPH engine on the pre-war DKW RT-125 which he heavily modified by adding a disc valve that allowed asymmetric port timing with a longer duration inlet phase.
15.
High stresses are created at the edges of the annular jet in caged-ball valves, in narrow regions at the edges of the major orifice jet in tilting-disc valves, and in regions immediately distal to the valve leaflets in bileaflet valves.
16.
From the 1960s through the 1990s, small two-stroke motorcycles were popular worldwide, partly as a result of the pioneering work of the East German Daniel Zimmermann ( rotary disc valve ) and MZ's Walter Kaaden who developed the two-stroke expansion chamber in the 1950s.
