reduction n. 1.缩小,减少;降级,降位;(刑罚等的)轻减;减速;减价,折扣。 2.(城市、国家等的)陷落,投降,被征服、变成 (to; into)。 3.破落,没落;【物理学】衰减。 4.类别;碎矿;提炼。 5.【数学】简化,约简,缩减;化归。 6.(测量结果的)整理,(代号等的)译解;【无线电】订正。 7.【化学】还原法,改格法;【摄影】减薄。 a 10% reduction 九折。 great reductions in prices 大减价。 the reduction of armaments 裁(减)军(备)。 ascending [descending] reduction 由小[大]单位改成大[小]单位的换算法。 reduction to absurdity=reductio ad absurdum.
The results revealed that the corrosion process was controlled by both hydrogen evolution and oxygen reduction reactions in the temperature range from 30 to 150 实验结果表明该腐蚀过程由析氢反应和氧还原反应共同控制,并且在30 ~ 150的范围内温度的升高未改变腐蚀反应历程。
Carbon nanotubes ( cnt ) are new promising materials of catalyst supports for pemfcs . previous studies reveal that cnts supported catalysts show enhanced catalytic activity towards oxygen reduction reaction ( orr ) and methanol oxidation 碳纳米管( cnt )作为载体的电催化剂在氧还原和甲醇氧化等pemfc电极反应方面表现出良好的催化活性。