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- Study on Optical Fiber Gas Sensing Mechanism 光纤气体传感机理研究
- Gas sensing property of the film was investigated at different concentration of CO gases and results show that 0.5% Al3+ doped ZnO(mol/mol) thin film shows a maximum sensitivity to CO gas. The gas sensitivity mechanism of ZnO is also discussed. 在室温下;对薄膜在不同浓度的CO气体下的敏感特性进行了研究;随着气体浓度的增加;薄膜电阻值逐渐减小; 随着掺Al量的增大;气敏灵敏性先逐渐增大后减小;发现当铝含量为r(Al:ZnO)=0.;5%25时;对CO气体的灵敏度最大;并对紫外光照射下气敏半导体薄膜的气敏机理进行了简单分析。
- The gas sensing property of the materials is analyzed, the excellent gas sensing property is due to the high surface area and more active site. 分析了纳米SnO2 半导体材料的气敏特性,由于材料的比表面积增大、活性位增多,而具有着优异的气敏性能;
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- Don't forget to drop by at the gas station. 别忘了到煤气站去看看。
- The gas main explode and set fire to the house. 煤气总管爆炸引起房子失火。
- Quick, turn off the gas;the milk will boil over. 快把煤气关掉,牛奶要溢了。
- The gas is stored under pressure in the tank. 该气体在压缩状态下贮存于罐中。
- Her dress caught alight in the gas fire. 她的衣服让煤气炉烧著了。
- Dad step on the gas and the car speed up to150 kph. 爸一踩油门,车速冲到每小时一百五十公里。
- I've had to chase the Gas Company up again about the cooker. 我不得不再三要求煤气公司派人来修理煤气炉。
- The gas turbine feeds on the fuel it pumps. 燃气轮机以它所抽入的燃料为能源。
- gas sensing mechanism 气敏机理
- You must shut the gas supply off if there's a leak. 煤气泄漏时,必须把截门关上。
- The gas station is at the junction of two highways. 这个加油站位於两条公路的会合处。
- Step on the gas or we'll be late. 开快点,不然我们要迟到了。
- She lit the gas and gave the coffee another warm. 她点燃煤气,把咖啡重新热了一下。
- The meat will scorch if you don't lower the gas. 如果你不把煤气调小一点,肉就要焦了。
- She lit the gas and warmed it [the coffee] up again. 她点燃煤气,把它重新热了一下。
- Influence of Cerium Oxide Doping on the Gas Sensing Properties of Indium Oxide 氧化铈掺杂对氧化铟气敏特性的影响