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- Abstract: A great interest was attracted in the improvement of lead dioxide as anode material owing to its high electriconductivity, high oxygen overpotential and chemiinertness. 摘 要: 二氧化铅作为阳极由于具有高的催化活性、高的析氧过电位和化学惰性而受到关注。
- According to the calculation,it was pointed out that it was necessary to increase oxygen overpotential on anode and the selectivity of ion-exchange membrane in order to raise current efficiency. 通过计算,提出要提高电流效率,一方面要提高阳极的析氧过电位,另一方面要提高膜的选择性。
- Water contains hydrogen and oxygen. 水含有氢和氧。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- oxygen overpotential 氧过电拉
- Mars is too dry and poor in oxygen. 火星上面过于干燥,并且缺乏氧气。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- Fish take in oxygen through their gills. 鱼通过鳃摄取氧气。
- The oxygen react vigorously with the impurity in the iron. 氧气与铁中的杂质发生剧烈的化学反应。
- The oxygen workshop caught fire and set off a chain of explosions. 氧气车间着了火,引起了一连串的爆炸。
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- There was a shortage of oxygen at the top of the mountain. 山顶上缺氧。
- An organism, such as a bacterium, requiring oxygen to live. 好氧菌需要氧气生存的有机体,例如细菌
- Oxygen masks are used in aircraft only in emergencies. 飞机上的氧气面具只用於紧急情况。
- An oxygen mask will come down from overhead in case of an emergency. 若发生紧急情况,头顶上会降下一只氧气面罩。
- It adapts itself to water with low oxygen content. 它能适应含氧量少的水。
- An oxide containing three oxygen atoms per molecule. 三氧化物每个分子中含有三个氧原子的氧化物
- Water may be resolved into hydrogen and oxygen. 水可以分解为氢和氧。
- The results show that the overpotential increases while the resistivity decreases with increase of the oxygen content. 反之氧流量较低时,电阻率较大,过电位较小,表面较粗糙。