{"refrec":{"BRefID":39694,"RR":"<b>Brown, S.C.</b> (1977). Biomechanics of water-pumping by <i>Chaetopterus variopedatus</i> Renier: kinetics and hydrodynamics. <i>Biol. Bull. 153(1)</i>: 121-132. <a href=\"https://dx.doi.org/10.2307/1540696\" target=\"_blank\">https://dx.doi.org/10.2307/1540696</a>","BEntID":39694,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Biol. Bull. 153(1)</i>: 121-132. <a href=\"https://dx.doi.org/10.2307/1540696\" target=\"_blank\">https://dx.doi.org/10.2307/1540696</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Brown, S.C.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Brown, S.C.","Englishabstract":"1. The activities of the three water-pumping segments of <i>Chaetopterus variopedatus</i> are correlated in detail with the fluctuations in water flow through the tube-house. 2. The qualitative performance and design features of the worm's pumping mechanism are compared to those of mechanical reciprocating pumps. 3. Quantitative data on volume flow rate, stroke rate, discharge pressure, and oxygen consumption yield estimates of power output (1.5 X 10(-5) Joules/sec) and aerobic efficiency (0.5%). 4. In its natural habitat, <i>Chaetopterus</i> does no lifting work, but rather functions solely as a transfer pump. 5. 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