论文部分内容阅读
(一)电流对鱼类的作用电流对鱼类发生影响是由于水和鱼体的不同导电性。电场中的鱼类是一种连接电场不同电势二点的导体。电流自较高的电势点通过这导体流向较低的电势点。同时通过鱼体的电流强度和鱼的长度成正比。在电场内鱼头和鱼尾间的电势差,称为“形状电压”。“形状电压”在海水和淡水中是不一样的。“形状电压”在海水中比淡水中较低。这由于海水的导电性
(A) the role of current on the fish current impact on fish is due to the different conductivity of water and fish. Fish in an electric field is a conductor that connects two points of an electric field at different potentials. The current flows from the higher potential point through this conductor to the lower potential point. Current through the fish is also proportional to the length of the fish. The potential difference between the fish head and the tail in an electric field is called the “shape voltage”. “Shape Voltage ” is not the same in seawater and freshwater. “Shape Voltage ” is lower in seawater than fresh water. This is due to the conductivity of sea water