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- low temperature PL spectra 低温PI.;潜
- Nanostructures on silicon are found to contribute to the reduction of the linewidth of its photoluminescence (PL) spectrum under low temperature. 制作不同的矽表面奈米结构,以期在相同温度下达到更窄的频谱线宽,以及更明显的激子局限凝聚效应。
- PL spectra consists of DPA and SA bands. PL谱由DPA和SA两个发光峰组成;
- The food should be kept at low temperature. 这种食品应低温保存。
- Lead will fuse at quite a low temperature. 铅会在相当低的温度下熔化。
- According to atomic force microscope (AFM) measurement and PL spectra, the QDs with higher GaAs spacer growth temperature exhibit better luminescent characteristics. 根据原子力显微镜(AFM)量测和光激放光频谱(PL)可得知,较高的砷化镓空间层成长温度的量子点拥有较好的光激放光特性。
- Lead fuses at a low temperature. 铅在低温下就熔化。
- XRD and TEM measurements indicate that the ZnO nanostructure is made of the single-crystal with wurtzite structure.For the nanosaws, the PL spectra were measured at room temperature. 在锯齿状的氧化锌奈米结构研究中,我们以X光绕射,电子显微镜,以及拉曼光谱确定其为纤锌矿结构的氧化锌。
- The low temperature froze my flowers. 低温把我的花冻死了。
- Lead will fuse at a relatively low temperature. 铅不需要太高温度即能溶化。
- The low temperature will freeze my flowers. 低温会把我的花冻死。
- The shift in the temperature-dependent PL spectra of Ge QDs is due to the redistribution of carriers among Ge QDs. 在随温度变化的光激发萤光光谱中,峰值能量的位移主要是因为载子在量子点间重斩分布的效应。
- At a low temperature, water turns into ice. 水在低温时就结成冰。
- The vibronic features in the PL spectra are shown to associate with the stretching of the connection bonds between fluorene units. 而在实验中放射光谱所量测到的振动-电子能阶耦合经过计算证明是和两芴基间的单键震动模式有关。
- Water freezes at a low temperature. 水在低温时结冰。
- Micellization of the copolymer in water were traced by UV absorption and PL spectra, finally got spheric and “worm-like” aggregates with TEM photos. 通过溶剂/沉淀剂法制备胶束,且用紫外-可见吸收及荧光光谱跟踪嵌段聚合物的胶束化过程并对形成的聚集体进行了表征。
- Alignment requires low temperature. 取向排列需要低温。
- The PL spectrum excited with 325 nm of He-Cd laser at room temperature revealed a strong and narrow near UV emission band centered at about 383 nm with FWHM about 16 nm and a weaker broad emission band centered at(about) 515 nm with FWHM about 76 nm. 绿峰峰值位于515 nm,半峰全宽约为76 nm。
- The food must be kept at a low temperature. 这食物必须在低温下保存。
- The obtained diamond thin films were then examined using SEM, XRD, Laser Raman Spectrum and PL spectrum. 用扫描电镜,X射线衍射,激光Raman光谱和光荧光谱对所得金刚石膜进行了分析。