光谱特性

In this dissertation, extra-fine nanocrystals, nanorods and thin films of perovskite oxides were investigated in detail on their structural, phonon and nonlinear optical characteristics.

本文选取几种重要的钙钛矿氧化物，对其纳米结构材料的制备技术、结构特性、光谱和非线性光学性质进行了研究，取得了如下有意义的结果： 1。

By setting different kinds of filters of various thickness values before the pinholes of camera and using the spectral sensitivity of the camera,multi-frame X-ray images of wire arrays Z-pinch implosions in different energy ranges were obtained. By analysing the relationship between the intensity profiles of corresponding frames and the spectral sensitivity of the camera,it is allowed to estimate X-ray photon energy range in local areas of images.

通过对皮秒分幅相机和2.3μm厚formvar膜滤片的光谱响应特性分析，以及对同一时刻粘贴2.3μm厚formvar膜滤片和未粘贴2.3μm厚formvar膜滤片两幅图像径向辐射强度波形的对比，确定出获取的X光辐射图像的能谱范围：不加formvar膜滤片的X光辐射图像光子能量大于70eV，加formvar膜滤片的X光辐射图像光子能量大于150eV，同时还确定出图像各部分的光子能量分布。

This article studies the measuring technique of optical medium based on spectrum interference theory.

本硕士论文对基于光谱干涉理论的光学介质特性测量技术进行了研究。

The results indicate that LIBS has a great potential in fast analysis of coal content.

实验结果表明：激光感生击穿光谱技术的分析精度较高，可望用于煤质特性快速检测。

Quasi-1D features in carrier transport, recombination and emission, et al., were studied in the V-grooved QWR samples modified by selective ion-implantation and rapidly thermal annealing, by means of Micro-photoluminescence and magneto-transport measurement.

利用显微光致发光光谱研究经选择性离子注入和快速热退火后的单根GaAs／AlGaAs量子线结构体系中的载流子在输运、复合发光等方面的一维特性。

The CeO2 thin films were characterized by X-ray photoelectron spectroscopy and spectrometer, X-ray diffraction, Raman spectroscopy and scanning electron microscopy.

采用光电子能谱、X射线衍射、拉曼光谱和扫描电镜等测试方法表征薄膜的特性。

Metallic wire grating in terahertz frequency was designed and fabricated by femtosecond micromaching and sputtering technique.And the polarized transmission spectra of the gratings were characterized by terahertz time domain spectroscopy ,and the theoretical simulation based on FDTD method show a good agreement with experimental results.

结合飞秒微加工和磁控溅射技术，在熔融石英衬底上设计并制作了不同结构的太赫兹波段金属线栅，并通过太赫兹时域光谱系统研究了线栅结构对太赫兹偏振透射特性的影响，并用有限时域差分法对实验进行了模拟验证。

Results The maximum absorbance of the purified collagen appeared at 230nm, with correspondence to type Ⅰ collagen, two close bands on SDS-PAGE (mol. wt 98 000) suggested the purified product was type Ⅰ collagen.

结果：提取的胶原紫外分光光谱最高吸收峰值为230nm左右；聚丙酰胺凝胶电泳呈现2条相邻带（相对分子质量98000左右），符合Ⅰ型胶原的特性。

In order to reduce sideband spectral energy and improve image lining of a quartz filter,a novel filter structure was designed and its characteristics were analyzed theoretically.

为了改善滤波光谱的次极大，提高透过滤波片观察像的衬度，设计了减小次极大光强的石英晶体旋光滤波结构，并从理论上分析了滤波特性。

The differences between the above autoionizing Rydberg states were analyzed and proven to be significant. Much attention has been paid on the autoionization spectra and properties of ejected electrons from autoionizing states for both Ba and Mg atoms,especially their characteristics and laws.

分析和研究了不同自电离Rydberg系列之间的明显差异，特别关注了Ba和Mg原子在自电离光谱和自电离弹射电子的能量分布这两方面的特性和规律。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。