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- Probability estimation in chromatographic peak purity test 色谱峰纯度检查中的统计概率估计
- chromatographic peak purity 色谱峰纯度
- A procedure for recognizing peak purity of Cassiae Semen chromatographic fingerprints by chemometrics method was described. 应用化学计量学方法鉴别色谱指纹图谱的峰纯度。
- Methods of Extracting EMG Parameters from Skew Chromatographic Peak. 色谱峰EMG模型参数的计算方法。
- Results Cosine ratio and correlation coefficient should be the first choice for similarity calculation based on chromatographic peak area. 结果在以色谱峰面积作为指标进行的相似度计算中,推荐采用夹角余弦和相关系数法。
- Three bufogenins compounds such as CSH,CSZ,CDL and bufotenine . which is one of bufotenidines, were provided the contrasts of HPLC fingerprint chromatographic peak. 以CS药材中3个蟾毒配基，1个蟾毒色胺为对照品，分别是CSH、CSZ、CDL和CSJ，为HPLC指纹图谱提供了具有指纹意义的色谱峰的对照品。
- Their LC/MS chromatographic peak intensities suggest that they represent an important fraction of the organic mass in ambient aerosols, especially at night. 其液相色谱/质谱色谱峰强度显示，其于空气中气溶胶中扮演的一个重要部分，尤其是在夜间。
- A HPLC method was established to analyze the impurities of potassium 4 chlorophenoxyacetate, the peak purity was checked by online HPLC/ESI/MS. The structure of the impurity was identified by ESI/MS, which is potassium 2,4 dichlorophenoxyacetate. 用高效液相色谱 /电喷雾离子化质谱联用技术 (HPLC/ESI/MS法 ) ,建立了座果宝原料药的HPLC杂质分析方法 ,确定了植物生长调节剂座果宝原料药中的杂质为 2 ,4 二氯苯氧基乙酸钾
- This method is handled by first measuring area of each impurity peak and total area of chromatographic peak on the chromatograph chart exceeding solvent peak, then calculate percentage of each peak area and their sum to total peak area. 方法是测量各杂质峰的面积和色谱图上除溶剂峰以外的总色谱峰面积，计算各峰面积及其之和占总峰面积的百分率。
- Identification Peak Purity of Chromatographic Fingerprints Based on Orthogonal Projection 正交投影鉴别决明子色谱指纹图谱峰纯度
- Through analyzing by GC-MS technology,48 chromatographic peaks were separated and 39 compounds were identified,occupying 80% of total amount. 运用气相色谱-质谱联用技术分析,从中分离出48个色谱峰,鉴定39个化合物,占总量的80%25。
- Result:The main chromatographic peaks were identified combined with literature data,and 19 probable compounds in 17 chromatographic peaks were inferred. 结果:结合文献对指纹图谱主要色谱峰进行鉴定,推断出17个色谱峰中19个可能的成分。
- The stoichiometry method is crisp in chromatograph peak examination 化学计量学方法在色谱峰检测中的应用
- A two phase genetic algorithm(GA) which has robustness and random globe optimization is used to train RBFNN so that it has the ability on the resolution of overlapping chromatographic peaks. 通过两阶段学习算法的交替使用,使网络具有结构自学习和参数优化的能力,而后将网络应用于组分数未知的重叠色谱峰解析。
- RESULTS: The material basis of the Wuzhuyu decoction was found to be produced chiefly by the chemical constituents contained in No.X4, X9 (rutaecarpine), X10 and X12 chromatographic peaks. 结果：确定吴茱萸汤的药效物质基础主要为产生X4,X9,X10和X12号色谱峰中的化学成分(已确认X9为吴茱萸次碱)。
- Many mountaineers have reached that mountain peak. 许多登山家都登上过那座大山的顶峰。
- We have a precipitous climb to the peak. 我们向着陡峭山顶攀登。
- Chinese people regard lotus as an emblem of purity. 中国人把莲花看作是纯洁的象征。
- Tourism is at its peak in August. 旅游业在八月份达到高峰。
- We must ensure the purity of drinking water. 我们必须确保饮用水的纯净。
