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- Fe3+, Zn2+ and Cu2+ ions modified TiO2 coatings were prepared by liquid flame spraying.The effect of ion type and doping dosage on the microstructure and photoactivity of the coating were discussed. 选取了Fe3+、Zn2+、Cu2+三种过渡金属离子对涂层进行掺杂改性研究，考察了以上金属离子对涂层结构及光催化活性的影响。
- If I remember rightly the party starts at 8 pm. 我记得聚会是在下午8点开始。
- The party was postponed until 8 o'clock. 晚会推迟到8点举行。
- How can you get rid of this oxide coating? 你们该怎样除去这些氧化皮？
- The taxi came at 8 o'clock the next morning. 计程车第二天早上8点钟来到。
- There are 26 votes for him and 8 against him. 有26票赞成他，8票反对他。
- I had nearly finished chapter 8. 我就要把第8章看完了。
- If you subtract 2 from 8, you get 6. 8减去2是6。
- The level of inflation has gone beyond 8%. 通货膨胀率已经超过了8%。
- The train arrived at exactly 8 o'clock. 火车八点钟准时到达。
- The children's ages range from 8 to 15. 这些孩子们的年龄在8岁到15岁之间。
- The doors were numbered 2,4, 6 and 8. 这些门编为2、 4、 6、 8号。
- This special coating is designed to resist rust. 这一特别的涂层旨在抗锈。
- The two firms entered into negotiation at 8:00 A.M. 这两家公司上午8点开始了谈判。
- There was a coating of slime on the unwashed sink. 未刷洗的水槽上有一层污垢。
- The exhibits are on view from 8 a.m. to 5 p.m. 展品从上午八时到下午五时展出。
- The letter bore a postmark of March 8, 1983. 这封信盖有一九八三年三月八日的邮戳。
- The plane is timed to arrive at 8 o'clock. 飞机定于八点抵达。
- A coating of metal sheets or plates. 金属板的外覆金属片或金属板的外覆
- She was told to arrive at 8 o'clock on the dot. 她被告知八点钟准时到。
