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- Keywords packed column;liquid-gas distributor;optimization design;vacuum tower;gasoline fractionating tower; 填料塔;气液分布器;优化设计;减压塔;汽油分馏塔;
- Keywords packing column;pressure drop;mass transfer;desi; 填料塔;压力降;传质;设计;
- Keywords Packed column;Operating holdup;Ratio of height to diameter;Distribute;Rasching Ring packing;Fluid mechanics;Successive water cycle capacity method.; 填料塔;动持液量;高径比;分布;拉西环填料;流体力学;连续水循环容量法;
- METHODS GC was used with packed column and capillary column, respectively. 方法同一样品采用填充柱与毛细管柱分别测定。
- The quantitative analysis of dihydrosafrole, by gas chromatography on 2% DEGS packed column and using biphenyl as internal standard, was introducced. 采用DEGS为固定液、联苯为内标物,用气相色谱法测定二氢黄樟油中二氢黄樟素的含量。
- Also,the preparation of PFIB standard,chromatography column(packed column and capillary column),detector are reviewed. 评述了PFIB气相色谱分析方法中PFIB标样的制备、色谱柱(填充柱和毛细管柱)和检测器;
- Keywords packed columns;gas Distribution;gas inlets;gas distributors;packing support plates;hlod-down plates;bed-limiters; 填料塔;气体分布;进气结构;气体分布器;填料支承板;填料压板;填料床层限制器;
- Using PEG-20M/Chromosorb WAW DMCS as a fixed phase, 3,5-xylidine and impurities would have been separated by gas chromatography on packed column. 采用PEG-20M和Chromosorb WAW DMCS栽体组成的固定相;在填充拄上分离了3;5-二甲基苯 胺及其异构体杂质.
- Determination of organophosporus pesticides residue in vegetable was performed by 10% OV-17 packed column coupled with FPD detector in this paper. 本文采用10%25OV-17不锈钢填充柱,FPD检测器,同时测定了蔬菜中7种有机磷农药残留量。
- The fluorization product of 2,4 dichloronitrobenzene was successfully analyzed by gas chromatography on OV 17 packed column. 以OV-17为固定液，采用填充柱气相色谱法，对2，4-二氯硝基苯的氟代产物进行了成功的分离和分析。
- Also, the preparation of PFIB standard, chromatography column (packed column and capillary column), detector are reviewed. 评述了PFIB气相色谱分析方法中PFIB标样的制备、色谱柱（填充柱和毛细管柱）和检测器；
- A packed column GC method was proposed for direct analysis of N-eon-taining low carbon compounds at ppm levels in wastewater, with Chromosorb 103 and 101 as the stationary phase. 采用固定相为Chromosorb 103和101的气相色谱法,直接分析水中的低碳含氮化合物。
- According to the operation period and separation efficiency, the capillary column is suggested to replace the packed column for the detemination of borneo contents. 考虑到分析周期及分离效果,建议用毛细管柱取代传统的填充柱测定样品中冰片的含量。
- According to the operation period and separation efficiency, the capillary column is suggested to replace the packed column for the determination of borneol contents. ??虑到分析周期及分离效果，建议用毛细管信取代传统的填充柱测定样品中冰片的含量。
- Experiment shows packed column is good for separating alkanes and aromatic hydrocarbons,and capillary column is good for separating carboxylic acids and alcohols. 试验表明,用十二烷基苯磺酸锌作为色谱固定相的填充柱对烷烃、芳烃、酯类、酮类有较好的分离能力;
- Keywords packed flotation;Column collophane;Flotation; 充填浮选柱;胶磷矿;浮选工艺;
- CONCLUSION According to the operation period and separation efficiency, the capillary column is suggested to replace the packed column for the determination of borneol contents. 结论??虑到分析周期及分离效果，建议用毛细管信取代传统的填充柱测定样品中冰片的含量。收藏指正
- Keywords Packed bed;Radial mixing;Cocurrent upflow; 填充床;径向混合;并流向上;
- The research progress of four kinds of continuous emulsion polymerization reactors: continuous stirred tank reactor, continuous loop tubular reactor, pulsed packed column and Couette-Taylor vortex flow reactor were reviewed with 14 references. 摘要介绍了4种主要连续乳液聚合反应器的研究新进展，包括连续搅拌釜式反应器、连续环管式反应器、脉冲填料塔式反应器及库爱特－泰勒旋流式反应器。
- Instead of stainless steel packed column, capillary column can overcome the problem of the adsorbablty and the unstablity during measurng DEG content, obtain more stable and accurate results. 用玻璃毛细管柱代替不锈钢填充柱在色谱仪上进行二甘醇含量测定，可以克服原不锈钢柱存在的吸附、不稳定现象，提高分析的稳定性及准确度。
