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- Method: To make use of the methods of HPLC and NMR, and to establish the characteristic absorption spectrum. 方法:采用光谱学及色谱学方法,确定醇提取活性成分的HPLC和NMR的特征吸收图谱。
- There were ten characteristic absorption bands in the HPLC chromatograms,which differed from the cortex of... 结论:本研究可为厚朴药材的良种选育与苗期鉴别提供参考。
- DMDHEU-treated vinylon appeared a characteristic absorption peak at 1,700 cm~(-1) in infra-red spectra, indicating chemical structure modification. 处理后的维纶在红外光谱中1700厘米~(-1)处出现特征吸收峰;表示化学结构的改变.
- The P(MMA-co-St) materials doped with mixed rare earth emit strong characteristic absorption of Re??3+? ion in ?746.5,?581,525 and 513 nm. 掺混合稀土的改性材料在746.;5;581;525和513nm处出现很强的Nd3+特征吸收;
- It is found that adding triethanolamine and lanthanum nitrate to the analysis samples, the characteristic absorption of calcium increases times. 试验发现,加入三乙醇胺,以硝酸镧为释放剂,钙的特征吸收成倍增加,检测线性关系好,消除了基体干扰。
- Abstract : Bacterial ferritin from Azotobacter vinelandii has qualitative characteristic absorption peaksin the visible spectral region. 摘要 ： 棕色固氮菌细菌蛋白在可见光谱区中有定性的特征吸收峰。
- But from the characteristic absorption bonds apices' appearance and disappearance, we cannot come to the conclusion that the heat imidization level has come to 100%. 但由相应吸收峰对比分析得知，热酰亚胺化的程度并没有达到100%25。
- The transmission spectrum and the absorption spectrum of alcohol shows that the characteristic absorption peak shifts with alcoholicity due to the molecular configuration. 通过对酒精透射光谱和吸收光谱的研究发现,其特征吸收峰随浓度不同发生漂移,从分子结构能级角度对其做了定性解释;
- The adulterated edible oil could be determined by detecting the regular physicochemical indexes, metal ion content, conductivity, SDBS content, AFB1, volatile material, fatty acid composition, cholesterol, IR and UV characteristic absorption. 通过对油脂的常规理化指标、金属离子含量、电导率、十二烷基苯磺酸钠(SDBS)、黄曲霉毒素、挥发性物质、脂肪酸组成、胆固醇、红外及紫外特征吸收等指标进行定性定量分析，可以鉴别食用油是否掺伪。
- FT?IR indicated that the strongest absorption peak of C?F appear at 1169cm??-1? and 1083cm??-1? and the characteristic absorption peak of teflon appeared at 734cm??-1? ,619cm??-1? and 500cm??-1?. 由FT?IR的结果可知，在1169cm－1和1083cm－1处出现了C?F的最强吸收峰，在734cm－1，619cm－1和500cm－1处出现了聚四氟乙烯的特征吸收峰。
- The XPS spectra showed that CF2 structures are predominant in the films, and the FT-IR results showed that C-F absorption and teflon characteristic absorption are respensaible for the two strong peaks observed. FT-IR的结果表明，所得薄膜由C-F的最强吸收峰和聚四氟乙烯的特征吸收峰构成。 所得薄膜的这些结构特征与聚四氟乙烯的结构是一致的。
- She has Asiatic characteristics. 她具有亚洲人的特点。
- Paradox and irony are characteristics of her style. 她善於运用似非而是的隽语和反语。
- Having no particular directional characteristics. 无定向的具有无特定方向的特征
- characteristic absorption spectrum 特征吸收光谱
- Characteristic absorption spectroscopy 特征吸收谱
- Heroic characteristics or qualities; courage. 英雄品质，英勇英雄的特征或品质; 英勇
- Characteristic absorption structure 特征吸收结构
- Arrogance is one of his less attractive characteristics. 骄傲自大是他的一个缺点。
- A mass of data having common characteristics are arranged into related groups. 把具有共同特性的大量数据整理成有关的组。
