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    Detailed Alkene Determination by Bromination and Gas Chromatography with Atomic Emission Detection

    气相色谱-原子发射光谱和溴加成法联合测定含烯烃汽油中的单体烯烃

    属类:化学及生命科学-化学-论文文摘

    Peak Broadening of Neutral Solutes on Reversed-Phase Capillary Electrochromatographic Column

    电中性溶质在反相毛细管电色谱柱上峰展宽的研究

    属类:化学及生命科学-化学-论文文摘

    National Chromatographic R. & A. Center, Dalian Institute of Chemical Physics, The Chinese Academy of Sciences

    中国科学院大连化学物理研究所国家色谱研究分析中心

    属类:化学及生命科学-化学-论文文摘

    general migration equation of chromatographic relaxation theory

    柱分离过程弛豫理论的一般输运方程

    属类:化学及生命科学-化学-论文文摘

    According to the basic characteristics of solute migration on chromatographic columns , eluting curve expression has been obtained under the conditions of balance chromatography without considering the reverse flow.

    根据溶质在色谱柱中迁移的基本特征,在平衡色谱和不单独考虑逆向流的简化情况下,得到了流出曲线的表达式。

    属类:化学及生命科学-化学-论文文摘

    The experimental results showed that the peak width increased linearly with the increase of column length and retetion factor, and nonlinearly decreased with the increase of voltage.

    结果表明:峰宽随柱长的增加和保留因子的增大而线性增加,随电压的增加而呈非线性减小。

    属类:化学及生命科学-化学-论文文摘

    Study of the Dynamic Flow Profile in Conical Shaped Liquid Chromatographic Columns by Visualization Method

    台锥形液相色谱柱内谱带流型的动态可视化研究

    属类:化学及生命科学-化学-论文文摘

    The dynamic flow profile inside a conically shaped column for preparative liquid chromatography was studied by using a self-made device where the movement of acolored sample in the column could be observed clearly and truly.

    利用自制的台锥形色谱柱内谱带流型可视化研究装置,对台锥形色谱柱内样品谱带的流型进行研究。

    属类:化学及生命科学-化学-论文文摘

    The transparent chromatographic columns made of polymethyl methacrylate (PMMA), packed with C18 bonded silica, were immersed in a pool filled with innoxious solvent of glycerol to eliminate the cylindrical and conical lens effect.

    将以有机玻璃为柱管、内填C18色谱固定相的色谱柱浸入无毒溶剂丙三醇池中,以消除圆柱或圆锥的透镜效应。

    属类:化学及生命科学-化学-论文文摘

    With the iodine-containing cyclohexane as the colored mobile phase, the flow profiles were visualized clearly, including the central point injection mode.

    当以环己烷为流动相时,即使在中心点进样的情况下也可清晰地观察到色谱柱内有色样品碘的谱带流型。

    属类:化学及生命科学-化学-论文文摘

    Images of flow profiles were recorded with a digital camera.

    流型图像的数字信号利用数码照相机获取。

    属类:化学及生命科学-化学-论文文摘

    Such observation resulted from the special shape of the conical column, in which the composition of forces near the conical column wall was different from that near the cylindrical column wall owing to the existence of the inclined plane.

    这是由台锥形柱特殊的结构造成的。由于台锥形柱斜面的存在使流体在管壁区的受力情况不同于圆柱的管壁区

    属类:化学及生命科学-化学-论文文摘

    liquid chromatography; flow profile; visualization; conical column

    液相色谱;流型;可视化;台锥形柱

    属类:化学及生命科学-化学-论文文摘

    Recent Advances in Single Nucleotide Polymorphism of Human Genome Research

    人类基因组的单核苷酸多态性及其研究进展

    属类:化学及生命科学-化学-论文文摘

    The concept and characteristics of single nucleotide polymorphism (SNP)of human genome is introduced. Fourteen detection methods of SNP, including their principles, advantages and disadvantages, are reviewed.

    对单核苷酸多态性(SNP)的概念及特性作了简要说明,介绍了14种检测SNP的方法,讨论了各种方法的原理及优缺点

    属类:化学及生命科学-化学-论文文摘

    In addition, recent advances and applications of the SNP in genetic mapping, inherited pathogenesis, medical discoveries and forensic medicines are discussed with 29 papers cited.

    并对目前SNP在遗传图的绘制、遗传病致病基因的搜寻、药物设计及法医学等方面的应用及其研究进展进行了综述。引用文献29篇。

    属类:化学及生命科学-化学-论文文摘

    human genome; single nucleotide polymorphism; detection technique; medical application; review

    人类基因组;单核苷酸多态性;检测技术;医学应用;综述

    属类:化学及生命科学-化学-论文文摘

    Applications of Fluorescent Derivatization in Liquid Chromatography for Carbohydrate Analysis

    液相色谱荧光衍生法在糖类物质分析中的应用

    属类:化学及生命科学-化学-论文文摘

    In this article, various representative fluorogenic reagents and corresponding derivatization processes are reviewed and discussed.

    本文探讨了几类典型的荧光衍生试剂及相应的衍生方法

    属类:化学及生命科学-化学-论文文摘

    The recent applications of fluorescent derivatization-LC methods for the analysis of carbohydrates, as well as their pros and cons are comprehensively reviewed.

    对近期糖类物质分离分析中的液相色谱荧光检测方法做了系统综述,对其优缺点作了说明。

    属类:化学及生命科学-化学-论文文摘

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