төмрийн нунтаг зутанг усгүйжүүлэх зориулалттай нойтон коббер соронзон
гуталчин соронзон. An atmospheric corrosion monitor (ACM) is an instrument used to track the corrosion status of materials. In this paper, a galvanic cell sensor with a simple structure, flexible parameters, and low cost was proposed for constructing a novel ACM, which consisted of three layers: the upper layer was gold, used as the cathode; the lower layer …