方法应用粉末X射线衍射方法,对取自我国主要滑石产区的药用滑石粉样品进行衍射研究(衍射图谱分析及特征标记峰鉴别)。
METHODS The powder X ray diffraction analysis was used by spectrum X ray diffraction analysis. The characteristic marked peaks of talcum was found for identification.
质谱总离子流图充分反映中药材组分特性,并确定各峰组分的结构,为中药材鉴别及质量控制提供了一种很好的方法。
The character and structure of components in herbal material were distinguished by TIC of mass spectrometer. The method provides for identification and QC to herbal material.
回答:若在检查某种有机溶剂时发现了未知峰(非目标峰),应基于良好的科学技术和理念鉴别该峰,并与毒理学家协作确定样品中该未知成分的可接受限度水平。
If you come up with an unexpected peak while looking for a specific solvent, use good science to identify the peak and work with a toxicologist for the acceptable level in that material.
此方法用于色谱指纹图谱峰纯度的鉴别,结果可靠。
Experimental results showed that the method of peak purity identification of chromatographic fingerprints was reliable.
结论:利用共有峰率和变异峰率双指标序列分析法可以对两个或多个中药样品进行方便可靠的鉴别。
CONCLUSION: The dual index sequential analysis enables us to distinct two or more herb's IR fingerprint.
目的:采用粗糙集方法选取相关特征色谱峰用于黄芪药材的产地鉴别。
Objective: Correlative characteristic peaks of HPLC selected by rough sets were employed to identify the habitats of Radix Astragali.
分析了九种尼龙均聚物,得到了特征峰较强的裂解谱图,并在此基础上鉴别了一些尼龙共聚物。
The pyrograms with more intensive characteristic peaks were obtained, on this basis some of nylon copolymers were identified.
提出了用峰位、半峰宽和峰高和滤光法来鉴别各级光谱的方法。
Methods of distinguishing the first order diffraction spectrum from other order one have been described in detail by observing half- widths, locations and intensities of the spectrum.
结果:不同种红曲霉挥发性成分的种类和含量均存在显著差异,根据红曲霉挥发性成分指纹图谱的主要峰及其相对含量,可以有效地鉴别红曲霉属真菌。
Results: the variety and contents of the volatility components in Monascus had obvious differences which can be distinguished easily by the main fingerprint peaks within 20 min.
根据祖母绿中是否含水、水的赋存状态以及氯的吸收峰,可作为准确鉴别天然祖母绿和合成祖母绿的重要依据。
This technique can provide important information for identifying natural and synthetic emeralds, combined with the existing state of water and the absorption peak of chloric ion in emeralds.
采用荧光分光光度计测定浅色纤维上的染料,根据荧光光谱的峰数、峰位、峰形和峰强来鉴别浅色纤维上的染料。
The fluorescent spectrophotometry was used to deter mine the dyes on light colored fibers, and such dyes were identified according to the numbers, locations, forms and strengths of the peaks.
结论:本方法具有良好的精密度、重复性、稳定性,各共有峰间分离度高,可用于藤黄药材的真伪鉴别和质量综合评价。
Conclusion: the precision, repeatability, and stability of this method were satisfying. The method developed can be used to identify and evaluate the quality of gamboge.
结果:在色谱条件下,11份不同丹参药材中乙醚有效部位的RP-HPLC指纹图谱中可检出11个相对位置稳定的色谱峰,其中确定出9个共有峰作为定性鉴别的指标峰;
Results: Under the qualitative conditions, the 9 common peaks in RP - HPLC fingerprint of the effective part from 11 different samples can be used as index peaks for qualitative i-dentification.
结果:在色谱条件下,11份不同丹参药材中乙醚有效部位的RP-HPLC指纹图谱中可检出11个相对位置稳定的色谱峰,其中确定出9个共有峰作为定性鉴别的指标峰;
Results: Under the qualitative conditions, the 9 common peaks in RP - HPLC fingerprint of the effective part from 11 different samples can be used as index peaks for qualitative i-dentification.
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