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- maximum phonon energy 最大声子能量
- The nanocrystal formation decreases the phonon energy and the addition of sensitizer is an important way to increase the luminescence efficiency. 形成纳米晶可降低声子能量,敏化剂的加入是提高发光效率的重要途径。
- The influence of phonon density and phonon energy on the intensity of upconversion luminescence was analyzed by physical model and concept. 试验发现声子能量高的锗酸盐玻璃上转换发光强度远强于声子能量低的碲酸盐玻璃上转换荧光的“异常”现象。
- Fluoride glasses have a lower phonon energy compared to oxide glasses, therefore the probability of non - radiative trasition is low and qantum efficiency of upconversion is high. 和传统的氧化物玻璃相比,氟化物玻璃具有声子能量低的特点,因此无辐射跃迁几率小,上转换量子效率高,使得掺稀土离子的氟化物玻璃具有高的发光效率。
- Abstract: Oxy-fluoride glass ceramics is a new up-converted luminescent material with strong mechanical strength just like oxide and low phonon energy just like fluoride. 摘 要: 氟氧化物玻璃陶瓷是具有氧化物的机械性能和氟化物的低声子能量的新型上转换发光材料。
- The longitudinal and transverse optical phonon energies were obtained by the Raman scattering and the far infrared reflectivity measurement. 纵向和横向光学声子能量是用拉曼散射和红外线反射量测所获得的。
- Then the regulation of translational symmetry to the phonon energy band structure of phononic crystal, as well as how to change phonon translational symmetry of the crystal artificially were analyzed. 然后分析了平移对称性在声子晶体能带结构调节中的影响,以及如何通过人工调节改变声子晶体的平移对称性。
- The maximum load for this lorry is one ton. 这辆卡车最大载重量是一吨。
- Our goal is to achieve the maximum of efficiency. 我们的目标是取得最高的效率。
- This hall holds a maximum of seventy people. 这厅最多容纳七十人。
- It is possible to transmute one form of energy into another. 把某种形态的能量改变成另一形态的能量是可能的。
- The dress is carefully styled for maximum comfort. 这服装精心设计,力求达到最大限度的舒适。
- Young people usually have more energy than the old. 青年人通常比老年人精力充沛。
- The industry felt the effects of the energy crisis. 该工业受到能源危机的影响。
- A maximum or minimum value of a function. 极大值,极小值函数的最大值或最小值
- I rallied all my energy for further effort. 我振作精神以做再次的努力。
- Kinetic energy is the energy arising from motion. 动能就是由于运动而产生的能量。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- It is important to conserve energy. 节省能源十分重要。