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- Electron-electron correlation studies in photon ionization. 光致电离中电子关联的研究。
- three photon resonant ionization 三光子共振电离
- Both the red and green emissions of Er 3+ in oxyfluoride host are due to two photon process. The green emission in ZBLAN is due to two photon process, and the red emission is due to two and three photon processes. 分析了两种基质中Er3+ 的上转换发光机制 ,氟氧化物基质中Er3+ 离子红绿光发射均为双光子过程 ,ZBLAN基质中Er3+ 离子绿光发射为双光子过程 ,而红光发射为双光子和三光子混合过程。
- The Si-SiO_2 composite and Si inverse opal have three photonic band gaps lying in band2-band3, band5-band6,band8-band9. The gap width between band5-band6 is relatively narrow. Si-SiO2复合体与Si反Opal垂直(111)面入射时,在较高的填充率下存在三个光学带隙,分别位于band2-band3、band5-band6、band8-Band9,其中band2-band3之间的带隙较宽,band5-band6之间的带隙较窄,band8-band9之间的带隙会产生完全带隙。
- Keywords resonance enhanced two photon ionization;real time determination;methane;aromatization;induction period;molybdenum;HZSM 5 zeolite; 共振增强双光子电离法;实时检测;甲烷;芳构化;诱导期;钼;HZSM-5分子筛;
- He trudge three hour in the snow to get back home. 他在雪中跋涉三个钟点才回到家。
- Our family reunions are always three ring circus. 我家合家团聚的场面总是热闹非凡。
- The train arrived on the dot of three o'clock. 那辆火车三点钟准时到达。
- Her family lives three li away from her school. 她家住在离学校有三里路的地方。
- We spied three figures in the distance. 我们望见远处有三个人影儿。
- The earthwork was cast up in three hours. 土方工程在三小时内就完成了。
- multi - photon ionization 多光子离化
- It's three blocks straight ahead. 一直往前走过三个街区就是。
- The investigator will be divided into three groups. 所有的调查员将被分为三个小组。
- Three people can sit in the back of this car. 这车的后座可坐3个人。
- I did the calculation by the rule of three. 我是根据比例运算法则计算出来的。
- He is on night duty three days a week. 他一个星期要上三天夜班。
- He knocked back three pints of beer in ten minutes. 他在10分钟里喝了3品脱啤酒。
- It's three years to the day since we met. 我们整整三年没见面了。
- I will make you learn driving in three days. 我将使你在三天之内学会开车。
