色谱峰
- 网络chromatographic peak;Chromatogram;Peak of Chromatogram
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方法比较在3种加热方式下丹参提取物共有色谱峰面积及标记性成分丹酚酸B含量的差异。
Methods Common chromatographic peak area and the contents of Salvianolic acid B in three kinds of extracts obtained by 3 kinds of heating methods were compared .
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结果:得到了样品总离子流以及选择离子流相应色谱峰的ESI-MS质谱图,初步鉴定出盐酸米诺环素的主要相关物质A,B,C,D。
Ion power temperature : 150 ℃ . Results : The total ion current and each chromatographic peak of selected ion current were obtained , and resolution of these mass spectra was elucidated . The related substances A , B , C and D in minocycline hydrochloride were identified .
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双黄连冻干粉HPLC指纹图谱特征色谱峰的归属研究
Classified research of the characteristic chromatographic peaks of Shuanghuanglian Powder-Injection in its fingerprints and HPLC
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在HPLC中,造成色谱峰不对称的原因可以物理的分为柱内效应和柱外效应。
In HPLC , the asymmetry of the peaks is caused by columm effect and extra-column effect .
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小波变换和RBF网络用于模式法分解重叠色谱峰
Resolution of overlapped chromatographic peaks by pattern recognition based on wavelet transform and RBF networks
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用GC-MS法检测出董酒中的九个色谱峰。
Nine peaks of Dong wine were identified with GC / MS method .
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在42种药用石斛及其混淆品中,每种共选用7~15个HPLC色谱峰,用于其HPLC鉴别。
( 4 ) Among 42 kinds of medical Dendrobii and their adulterants we choose 715 HPLC chromatographic peaks as HPLC identification characters for them .
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SF6局部放电分解产物色谱峰背景扣除与重叠信号分离研究
Study on Background Correction and Overlapped Signals Separation for Chromatogram Peaks of SF_6 Decomposition Products under Partial Discharge
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结果:获得了较为理想的茯苓三萜酸类成分HPLC指纹图谱,其中9个色谱峰被指认。
Result : A preferable method for HPLC fingerprint determination of the triterpene acids in P. cocos was established , and 9 peaks in the HPLC fingerprint were identified .
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方法采用HPLC法,以君药红参中人参皂苷为检测指标,采用梯度洗脱的方法,控制其中红参主要成分的色谱峰。
Method The main ingredient of the injection , Red Ginseng , was determined by HPLC and used binary solvent-delivery gradient elution to control the main component in Red Ginseng .
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SCOT柱色谱峰保留时间与半峰宽间关系的理论探讨
A Theoretical Approach to the Correlation of Retention Time with Peak Half-Width for SCOT Column
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应用Z-80微型计算机进行气相色谱仪实时数据处理&色谱峰的定量计算
An application of Z-80 microcomputer to the real time data processing of gas chromatography
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方法:分别用硅胶柱和ODS柱采用不同的流动相对色谱峰及测定结果进行考察。
Method : To study chromatogram peak and the result with the silica gel column and ODS column with different mobile phase ;
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通过三种温通心阳药物(吴茱萸、附子、干姜)的水提物HPLC图谱比较我们未发现有共同的色谱峰,初步证明它们没有共同的作用物质。
There are three " Wentongxinyang " drugs ( Evodia , aconite , ginger ) HPLC Patterns of water extracts we found no peaks in common , initially prove that they have no common substances .
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VZV在2.41和7,61min时出现2个特有的色谱峰。本法对病毒疾病的诊断和鉴别诊断具有重要的参考价值。
This method has important reference value for the diagnosis and differentiation diagnosis of viral infections .
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通过GC对样品进行了研究分析,得到了七个分离很好的色谱峰以及样品中各组分的含量,再利用GC/MS联用技术和质谱裂解规律鉴定出样品各组分的分子结构。
Well separated chromatograms for seven compounds were obtained and their contents were determined by GC . Their molecular structures were recognized by applying the GC / MS technique and the MS splitting decomposition law .
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采用LC-MS建立了黄芪药材的指纹图谱,并指认了7种指标成分的色谱峰。
A method for detecting the fingerprint of Radix Astragali by LC / MS was established and the chromatographic peaks of seven target constituents were identified . 3 .
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建立了一种色谱峰纯度检验和重叠峰分辨的方法&正交投影分辨法(OPR)。
Established a method which verifies chromatogram peaks pureness and resolves overlapping peaks & Orthogonal Projection Resolution ( OPR ) .
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求出该杂质的量(以x0的系数代替)与其色谱峰面积的回归方程的相关系数。
Calculate the relationship coefficients between the quantity of impurities which were substituted by the coefficient of x0 and the peak area .
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通过讨论,得出在较低进样量下,Gauss峰形函数可较好的拟合色谱峰,拟合相关系数大于99%;
From the discussion , it could be seen that the math model based on the Gauss formula can fit the chromatographic peaks well under the lower input volume and the fitted correlation coefficient was higher than 99 % .
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实验表明,根据这一关系,由半峰宽规律计算EMG线性规律的常数,用于色谱峰拟合可取得良好的结果。
The experimental results show that the parameters of EMG model estimated simply from the " half-width rule " of a chromatographic column system according to the relationship can be used to fit the whole peak profile satisfactorily .
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用GC-MS-DS联用仪从山苍子根头香中分离鉴定了71种组分,占色谱峰总面积的98.62%;
71 components of the fragrance volatile were separated and identified by GC-MS. covering 98.62 % of the total peak area ;
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利用相关质谱图,可获得大量的化学结构相关信息,可避免DAD检测器色谱峰可能带来的伪证。HPLC-MS技术灵敏度高,适用于血清中微量药效物质基础的研究。
With HPLC-MS , a large amount of information related to chemical structure can be obtained . DAD can avoid peak detector of " perjury . " HPLC-MS technique applies to serum trace material base for efficacy studies with Higher sensitivity .
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在白酒标样分析中,使得乙醛、甲醇、乙酸乙酯的色谱峰能够分开,比现有的聚乙二醇(PEG-20M)柱的分析方法更为便捷。
The separation of methanol , acetaldehyde and ethyl acetate in the standard liquor sample on the monolithic column is much more convenient than that on PEG-20M columns .
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当色谱峰拖尾时,演进特征投影图(ELPG)显示的直线段对应的区域中可能含有前面拖尾组分的信息,据此进行HELP解析可能得不到满意结果。
When the chromatogram tails , the selective region shown by the evolving latent projection graph ( ELPG ) may contain the information of the prior tailing components , on which unsatisfactory results may be obtained by using HELP .
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本文以EMG分布函数作为色谱峰的数学模型,提出由柱系统的半峰宽规律与峰态偏斜度D计算EMG参数的连环公式,用于快速谱图拟合和重叠峰分解。
Taking EMG function as a mode ! of skewed chromatographic peak , a set of sequential equations which can be used to ca'culare the model parameters from skew index ( D ) and so called " half-width rule " of a column system were developed .
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偏细粒级中主要富集的是可溶有机质,有机碳和氯仿沥青A含量均高,C17色谱峰显著,呈现出有机质向粗和细两个端元富集的特点。
While OM enriched in fine fraction is mainly dissolved OM , which is characterised by large OC and chloroform bitumen A contents and a marked C17 chromatographic peak .
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结果表明,三唑磷与内标物在SBP-50柱上得到良好的分离,色谱峰尖锐,没有杂峰干扰。
The results shown that triazophos and the inner standard can be separated each other on SBP-50 column , with sharp peak and rare contamination .
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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)。
RESULTS : The material basis of the Wuzhuyu decoction was found to be produced chiefly by the chemical constituents contained in No. X 4 , X 9 ( rutaecarpine ), X 10 and X 12 chromatographic peaks .
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径向基函数神经网络用于重叠色谱峰解析
Resolution of Overlapping Chromatographic Peaks by Radial Basis Function Neural Network