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- There are two reasons for ATO film's conducting, one is oxygen vacancy in the crystal lattice and another is Sb5+ impurity which forms donor level in the forbidden band of SnO2 and offers n-type carriers to conduction band. SnO2晶格的氧空位、5价Sb杂质在SnO2禁带形成施主能级并向导带提供n型载流子是ATO导电的两种主要机理。
- Keywords TiO_2 varistors;grain-boundary barrier;interfacial density of states;depletion layer;donor level; 2压敏电阻;晶界势垒;晶界间隙态;耗尽层;施主能级;
- I'd like a room on the upper level. 我想要楼上的房间。
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- I hope you'll be on the level with me. 我希望你对我坦率布公。
- She needs to win this point to level the score. 她要赢得这一分才能将比分扳平。
- Keep a level head and phone the Fire Department. 保持冷静，打电话给消防署。
- A football field should be level. 足球场地应该平坦。
- The rising level of crime is a sign of the times. 犯罪率增高是这一时代的特徵。
- I have told the whole story on the level. 我已经诚实地把整个事情经过讲出来了。
- Find level ground for the picnic table. 找一处平坦的地面放野餐的餐桌。
- This mountain is 1,400 meters above sea level. 这座山海拔1,400米。
- He has a level head in emergencies. 他在危急关头能镇定自若。
- If the table top isn't level, things will roll off. 如果桌面不平，东西就会滚下来。
- The level of inflation has gone beyond 8%. 通货膨胀率已经超过了8%。
- Add one level (ie not heaped) tablespoon of sugar. 加一平餐匙糖。
- Nitroform is such a strong proton donor. 三硝基甲烷是一个极强的质子给予体。
- The problem is finding a compatible donor. 问题是要找到一个相匹配的骨髓捐赠者。
- But William has no curiosity about his donor. 但是威廉对那个捐精者毫无兴趣。
- The level of formality determine the precise mode of expression. 不同的礼节程度决定所需的确切表达方式。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
