通过理化性质和波谱学方法鉴定化合物结构。
The structures of these compounds were identified by physiochemical properties and spectral analysis.
核磁共振波谱学在动力学研究上具有非常独特的优势。
Nuclear magnetic resonance has proved to be very useful in studying molecular dynamics.
根据化学方法及波谱学技术鉴定了所得化合物为山柰苷。
On the basis of chemical and spectral analysis, the structure of the compound was identified as kaempferitrin.
方法：采用柱色谱分离其成分，波谱学方法鉴定其结构。
Methods: the constituents were isolated by chromatographic methods, and their structures were elucidated by spectroscopic evidences.
方法用硅胶柱层析进行分离，用有机波谱学的方法进行结构鉴定。
Methods Compounds were isolated by silica column chromatography, and their structures were elucidated by spectral methods.
简短地介绍了核磁共振成象的基本原理，并与传统的核磁共振波谱学进行了比较。
The fundamental principle of MRI is introduced briefly, and Compared with the traditional NMR spectroscopy.
方法运用色谱学和波谱学方法分离和鉴定硫酸异帕米星中的有关物质，并做体外抗菌试验。
METHODS Chromatographic and spectroscopic methods were used to isolate and identify the related substance in isepamicin, and antibacterial activity of two related substances was studied.
大战以后，科学家又开创了微波波谱学，目的是探索光谱的微波范围并把其推广到更短的波长。
After the war, the scientists also created themicrowave spectroscopy, the purpose is to explore the microwave rangespectrum and its extension to shorter wavelengths.
结果经化学、TLC和波谱学方法进行结构鉴定，确定为16种氨基酸，两种糖及黄酮类成分。
ResultsThe chemical, TLC and spectral methods were used to determine the structures of the isolated compounds. 16 kinds of amino acids, 2 kinds of sugar and flavonoid compositions were confirmed.
波谱分析技术已被成功地应用于宝石学研究和宝石鉴定领域。
The spectral analysis techniques have been applied to the gemological study and gemstone identification.
从化学定量构效关系、模式识别法、人工神经网络、波谱化学、多元校正分析法等方面对化学计量学在分析化学中的应用进行了综述。
Application of chemical metrology in the analytical chemistry were summarized in aspects of QSAR, chemical pattern recognition, ANN, spectrum chemistry and multi-proofread.
核磁共振波谱技术是结构生物学与结构基因组研究中的关键技术。
Nuclear Magnetic resonance is a key technique in structural biology and structural genomics.
核磁共振波谱技术是结构生物学与结构基因组研究中的关键技术。
Nuclear Magnetic resonance is a key technique in structural biology and structural genomics.
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