么是浓差极化，超滤过程浓差极化有何危害？如何改善？

降低超滤过程中的浓差极化现象的手段可有（）

如何控制浓差极化？

大电流充电时，电池容易出现极化现象，其中浓差极化指的是：（）。

产生浓差极化的条件是什么？

克服浓差极化现象的措施有（）、（）、（）、（）。

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。