1·From the Middle East the Chinese acquired a blue pigment—a purified form of cobalt oxide unobtainable at that time in China—that contained only a low level of manganese.
中国人从中东获得了一种蓝色颜料，这是一种当时在中国很难得到的纯净的氧化钴，这种颜料只含有少量的锰。
2·Oxygen from the air took the place of the cobalt oxide.
空气中的氧气代替了钴氧化物。
3·One of the electrodes, the cathode, is made of lithium cobalt oxide;
电极的负极由锂钴氧化物制成；
4·The new material is a significant improvement over lithium cobalt oxide.
新材料对锂钴氧化物是显著的改进。
5·Its advantages are high extraction rate and high purity of cobalt oxide.
采用本方法提取钴化物，提取率高且提出的钴氧化物纯度也高。
6·Some wires, made of cobalt oxide and gold, become the negative poles of the battery.
一些导线由金和氧化钴制成，作为电池的负极。
7·It promised to be cheaper, safer and more environmentally friendly than cobalt oxide.
相对于钴氧化物而言，它更加低廉，更安全也更环保。
8·Technological flowsheet for producing cobalt oxide from crude cobalt hydroxide is discussed.
介绍了以粗氢氧化钴为原料制取高品质氧化钴的工艺流程。
9·Lithium cobalt oxide accounts for 30% of the cost of a lithium-ion battery. Air, however, is free.
锂钴氧化物的成本占到锂离子电池的30%，而空气却是免费的。
10·The cobalt oxide is produced from cobalt catalyst waste by using acidolysis precipitate method.
用含钴催化剂废料作原料，采用酸溶-沉淀法工艺制取氧化钴。