Do this on a daily basis by reading and listening to positive material. Avoid negativematerial as much as possible.
每天都阅读或听一些正面的东西,尽量避免消极的东西。
2
Zinc acts as negativematerial of batteries, with the advantages of low equilibrium potential, good reversibility, high specific energy, rich resources, low cost, little poison and easy treatment.
With a piece of porous separator material (it looks like white trash-bag plastic) between them, the positive and negative electrodes are sandwiched together into stacks.