例句與造句

1. Toxicity and related safety concerns have driven research into increasing the energy density of Ni ( OH ) 2 electrodes, such as the addition of calcium or cobalt hydroxides.
2. The ore is stacked on impermeable plastic membranes and acid is percolated over the heap, generally for 3 to 4 months, at which stage 60 % to 70 % of the nickel-cobalt content is liberated into acid solution, which is then neutralised with limestone and a nickel-cobalt hydroxide intermediate product is generated, generally then sent to a smelter for refining.
3. It's difficult to find cobalt hydroxide in a sentence. 用cobalt hydroxide造句挺難的