The addition of a small amount of metallic elements in pure aluminium would change its electrochemical activity, enhance its anticorrosive performance and decrease its negative differential effect.
向纯铝中加入少量金属元素，能改变铝的电化学活性，增强其抗腐蚀性能，减小负差效应。
2
Methods The micro-biosensor was prepared and used to monitor the continuing change of dopamine in lead treated alive rats by the electrochemical method.
方法用制备的微型生物传感器，用电化学分析方法研究活体大鼠经铅染毒后神经递质多巴胺的动态变化。
3
The removal effects on nitrogenous compounds of the change of the chloride concentration in the water by electrochemical method were investigated.