縮結と網たけについて (巾着網の研究-3,4-)
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概要
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The influence of hanging and net depth on gear characteristics of the purse seine was investigated. The results obtained are summarized as follows; 1) The sinking speeds of large hanging and shallow nets are larger than those of smaller hanging and deep nets. 2) The most favorable shape such as the cupping and scooping action during pursing was observed with the use of a model net and it was noticed that webbing was "hung in" to the corkline leadline 10% (0.1). 3) The tension in the purseline during pursing was roughly proportional to the net depth, but it was evident that hanging has little effect on tension.
- 日本水産學會の論文
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