oxidation-reduction potentials, redox potentials (氧还电位)

[名词解释] event-related potentials

[单选题]Oil oxidation as a result of excessively high lube oil temperature, is harmful to a diesel engine BecauseA．oil foaming will always occurB．large quantities of oil are consumedC．lube oil viscosity is always decreasedD．corrosive by-products are usually

[名词解释] β氧化途径(βoxidation pathway)

[单选题]Lubrication for the main reduction gears used with diesel engines is usually supplied byA．oil from the main engine sumpB．an independent lube oil systemC．the stern bearing head tankD．the stem bearing sump tank

[试题]Roy Crawford has argued for a reduction in both the product range and customer base to improve companyperformance.(b) Assess the operational advantages and disadvantages to Bonar Paint of choosing such a strategy.(15 marks)

[单选题]In using reduction gears to obtain efficient propeller speeds, （）.A . they must be located at the after end of the engineB . they can only be used with one engine at a timeC . they eliminate the need for controllable pitch propellersD . they are conn

[单选题]When transmitted by a reduction gear, diesel engine speed is reduced and the torque available for workA．remains the sameB．is reducedC．is increasedD．is eliminated

[单选题]Pitted reduction gear teeth having a deep blue color with evidence of overheating have been operated with _______.A．excessive speedB．improper warm-upC．extreme misalignmentD．inadequate lubrication

[名词解释] 标准还原电位（E°ˊ）（standard reduction potential）

[名词解释] 同化型硝酸还原（assimilative nitrate reduction）