制氢装置PSA中的吸附主要为（）吸附，采用（）方式对吸附剂进行再生。

水电解制氢装置在运行中，槽温升高或波动较大的原因是什么？

从同一始态膨胀至体积相同的终态时,为什么理想气体的恒温膨胀功总大于绝热可逆膨胀功?

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.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

转化装置是利用催化剂的作用，将排气中的（）、（）和（），转换为对人体无害的气体的一种排气净化装置，也称作催化净化转化装置。

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。