At least one of the at least one cathode (3) and anode (4) comprises a coating of nanoparticles (5) of a second metallic material.
所述至少一个阴极(3)和阳极(4)的至少一个包括第二金属材料的纳米颗粒涂层(5)。
2
Standard of equivalence of armor plate of the aluminous material of metallic stuff die-casting of water heater, cathode copper, cold rolling, galvanization armor plate has litres bigger.
热水器的金属材料压铸铝材、电解铜、冷轧钢板、镀锌钢板等价格都有较大升幅。
3
This paper introduces the working principle of cathode protection in underground metallic pipe, expounds the essential of technique and constructed method .