000 00848nam a22001817a 4500
003 AR-PmCCT
008 240105b |||||||| |||| 00| 0 spa d
082 _220
_a639.2
100 _95540
_aCarrothers, P. J. G.
245 1 0 _aInstrumentation for the engineering study of otter trawls
260 _aOttawa :
_bFisheries Research Board of Canada,
_c1968
300 _avii, 45 p.
490 _a(Bulletin / Fisheries Research Board of Canada ;
_v163)
505 _aIntroduction. -- Warp tensions. -- Warp angles. -- Warp length and trawl depth. -- Towing speed and hydrodynamic pressure. -- General development of underwater instruments elsewhere. -- Trawl mouth dimensions. -- Underwater line tensions. -- Features common to all FRB underwater instruments. -- Conclusions.
650 0 _94999
_aPESCA ARTESANAL
942 _2ddc
_cLIBRO
952 _2ddc
999 _c4812
_d4812