高分辨

In this thesis, two main parts are included, the first focuses on the characteristics of high-resolution spectra of free radicals in magnetic field, the second concentrates on the measurement of electric dipole moment of free radicals by Zeeman and Stark effects simultaneously.

本论文以电磁场中自由基分子的光谱与结构特性研究为中心，主要内容包括两部分，一是针对磁场中自由基分子高分辨光谱的特性研究，另一部分则是同时利用电磁场中自由基分子的Zeeman和Stark效应，对自由基分子的电偶极矩进行直接测量研究。

The surface morphology of the nacreous layer on different parts of Pteria Penguin and blister pearl from Sanya, Hainan Province, are observed directly by using environmental scanning electron microscope .

采用环境扫描电子显微镜和高分辨透射电镜对海南三亚企鹅贝及其附壳珍珠不同部位的结构特征进行研究，并配合稀盐酸0。

MS^5 spectra both in positive and negative ion modes with a high resolution were obtained.

实验结果表明，该化合物在正、负离子模式下均得到了5级高分辨质谱。

Domain structures in Mn-Si-Al octagonal quasicrystals have been studied by high resolution electron microscopy and image processing.

用高分辨电子显微术和图象处理研究了Mn-Si-Al八次准晶中的畴结构。

Objective To explore the characteristics and diagnosis of chronic otitis media with cholesteatoma on high resolution computed tomography.

目的 探讨胆脂瘤型中耳炎的高分辨CT的诊断价值。

high resolution CT could clearly show the foci in the temporal bone with otosclerosis and accurately type otosclerosis.

高分辨CT可以清晰显示耳硬化症病灶，并能进行分型。

Then we study the techniques of the high-resolution parametric estimation in details.

然后对累量域高分辨参数估计方法进行了深入地研究。

ABSTRACT A systematic introduction about the background of both the radar target identification and the high-resolution parametric estimation techniques is presented in this dissertation firstly.

本文首先系统介绍了国内外学术界关于雷达目标识别和基于累量的高分辨参数估计方法的研究现状。

Methods: Antineoplastic compounds were screened by bioassay-guided method with partitive extraction and multiple column chromatographies(Sephadex LH-20, ODS and preparative HPLC). Structures of active compounds were determined by high-resolution 2D NMR(600 MHz) and ESI-MS techniques.

通过分级萃取和多种硅胶柱层析（Sephadex LH-20凝胶过滤、ODS反相层析和HPLC）追踪分离抗癌活性成分；利用电喷雾离子质谱和高分辨(600 MHz)核磁共振二维谱技术鉴定化合物的结构。

Methods: Antineoplastic compounds were screened by bioassay-guided method with partitive extraction and multiple column chromatographies(Sephadex LH-20,ODS and preparative HPLC).

通过分级萃取和多种硅胶柱层析(Sephadex LH-20凝胶过滤、ODS反相层析和HPLC)追踪分离抗癌活性成分；利用电喷雾离子质谱和高分辨(600 MHz)核磁共振二维谱技术鉴定化合物的结构。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。