phosphomolybdic acid meaning in English
磷钼酸
Examples
- The result shows that ptrumoo _ 3 / c shows the best catalytic activity towards methanol and phosphomolybdic acid modified ptrumoo _ 3 / c electrode can be considered as the best anodic electrode for dmfc . finally , great effort on explaining the cooperation of heteropolyacid and carbon supported alloy electrode
结果发现, ptrumoo _ 3 / c电极对甲醇的电催化氧化活性最好,其中磷钼酸修饰ptrumoo _ 3 / c电极氧化甲醇的电催化活性最高。 - Because the tungsten from the phosphotungstic acid could pull out and deposit on the surface of catalyst , and the electronegativity of mo - o is smaller than that of w - o . the smaller the electronegativity is , the higher oxidation activity is . thus phosphomolybdic acid shows better catalytic oxidation activity than phosphotungstic acid
由于磷钨酸中的钨可以脱出并少量沉积到催化剂表面,而且从电负性来说mo - o的键能小于w - o ,键能小的杂多酸有较强的氧化性,所以钼系杂多酸催化活性要好于钨系杂多酸。 - In order to improve the electro - catalytic activity of platinum based catalyst to methanol oxidation , in this thesis , firstly prepare heteropoly acid modified pt / gc electrode with different concentration by cyclic voltammetry method , and then test the cyclic voltammetry curves individually in vitriolic and methanol solution . the study shows the best concentration for both phosphomolybdic acid and phosphotungstic acid is 1 10 ~ ( - 3 ) mol / l . and find the more heteropoly acid modified on electrode , the lower peak - up potential towards methanol because of the existence of oxygenous species
为了改善铂基催化剂氧化甲醇的催化活性,本论文首先通过循环伏安扫描法制备了不同浓度磷钼酸和磷钨酸修饰的pt / gc电极,通过研究pt / gc电极在修饰前后在硫酸溶液中及含甲醇的硫酸溶液中的循环伏安行为发现,磷钼酸和磷钨酸均能在ptru / c电极上发生氧化还原反应,而且杂多酸修饰浓度对pt / gc电极氧化甲醇的催化活性有很大影响。