The chlorination of pivaloyl chloride to prepared 3-chloropivaloyl chloride was took place in a packed distillation column with total reflux.
将新戊酰氯氯化为制得的3-氯新戊酰氯在全回流的填充蒸馏塔中进行。
Finally, a method for calculating the efficiency of practical packed column is given.
本文提供了一种计算真实填料塔效率的方法。
A glass column packed with a special packing (la packing) was developed in this work.
采用一种特殊的填料(LA填料)，制成玻璃填充柱。
Saponification of the acetates produced the respective alcohols. Pure geraniol and nerol were separated by rectification on a highly efficient packed column.
它们的乙酸酯皂化制得相应的醇，通过高效精馏柱精馏使之分离得纯的香叶醇和橙花醇。
Hydrocarbons was separated with a packed - column coated with 25 % squalane at constant temperature, detected by using an FID, and quantified by area normalization method.
烃类组分采用25%角鲨烷填充色谱柱恒温分离，以氢火焰离子化检测器(FID)检测，峰面积归一化法定量。
Based on single column process of packed poromeric chromatographic column, the chromatographic analysis process of transformer oil with SP3430 gas chromatographic apparatus has been improved.
采用填充多孔高聚物色谱柱单柱流程对SP3430气相色谱仪的变压器油色谱分析流程进行了改进。
Gas chromatograph is the important apparatus to analyze microconstituents in liquor and it is classified into packed column gas chromatograph and capillary column gas chromatograph.
气相色谱仪器是分析白酒中微量成分的重要设备，分为填充柱气相色谱仪和毛细柱气相色谱仪。
Packed flotation machine is a self-created one which is made by packing corrugated plates into conventional flotation machine by the author under the enlightenment of packed flotation column.
充填式浮选机是在充填式浮选柱的启发下自创的一种浮选机，是在普通浮选机内填充波纹板而成。
Oils of eucalyptus citriodora, geranium and citronella. determination of citronellol and geraniol content. gas chromatographic method on packed and capillary column.
柠檬桉老鹳草和香茅油精。香茅醇和香叶醇含量的测定。填充柱和毛细柱气相色谱法。
A liquid spinning distributor for packed column is presented in this paper.
本文介绍了一种填料塔旋转液体分布器。
The column is packed with adsorbent materials which selectively retard the components of the sample.
此柱内所装的各种吸附材料可以选择性地阻滞试样的各种组分。
When the column is packed at the factory, the porosity of frit at the outlet of the column must be lower than the smallest particle size of the column.
色谱柱在工厂填装时，出口端的筛板孔径必须比色谱柱中最小颗粒的粒径还要小。
The liquid distributors, which are often used in packed column, are classified and summed up. and of which, the characteristics and applicable areas are also outlined.
本文对填料塔常用的液体分布器进行归纳和分类，介绍了它们的特点和适用场合；
By using the flooding capacity factor, an accurate and convenient correlation for calculating the flooding velocity in a randomly packed column is proposed.
采用泛点能力因数，提出了一个准确、简便的适用于计算乱堆填料液泛速度的关联式。
A method for determining the content of water, ethanol and propylene glycol in tobacco flavor by gas chromatography with a packed column was established.
建立了填充柱气相色谱法测定烟用香精中水、乙醇、丙二醇含量的方法。
Comparing the characteristics of tray column with packed column, and combining the structured packing with dual flow plate, a new type compound tray was developed.
对比板式塔和填料塔的特点，将规整填料与穿流板有机组合，开发出新型的复合塔板。
The paper introduced that the packed column influences mass transfer when it is emulsifying.
介绍了填料塔乳化操作时对传质的影响。
Based on the study of the microscopic flow mechanism of liquid in packed column, a zone-stooge model is proposed, by which the efficiency of the column is simulated in the non-ideal flow state.
本文探讨了填料塔中液体微观流动机理，提出了多区多级模型，对填料塔在非理想流动状况下的塔效率进行了模拟。
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.
结论攷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。
Samples were evenly distributed through a column separation system to two different types of packed columns to determine total hydrocarbons and methane, respectively.
通过柱分离系统将样品平均分配到不同类型的两个填充色谱柱，分别测定总烃及甲烷。
This model was examined with the changing of the length column packed Laojunmiao reservoir sand as well as the changing of flow volume injected flooding solution.
通过改变柱长和注入体积流量对所建立的模型进行了实验验证。
Firstly, the packed column popularly used in analysis of these compounds has not met the needs of existing equipments, which outdates these analytical methods.
首先，分析方法落后，绝大部分使用填充柱分离，已和现行仪器不相适应；
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。
In Chapter Four, Fast Analysis of Borneolum in HuanYou by Packed Column Gas Chromatography.
第四章：填充柱气相色谱法快速测定獾油中冰片含量。
The authors put forward at first that operating holdup in packed column is not well-distributed and ratio of height to diameter is an important parameter which influences operating holdup.
首次提出填料塔动持液量不是均匀分布的，高径比是影响动持液量的一个重要参数。
The components of light benzene and purified benzene are separated using the same packed column in the condition of program raising temperature and quantified using direct area normal method.
用同一填充柱在程序升温条件下，分离轻苯及精制苯中各组份，并用直接面积归一法进行定量，苯系相对误差为0.94%。
Phenol and cresol isomers could be well separated in liquid crystal PBOB packed column.
苯酚和甲酚异构体在液晶pbob填充柱上分离良好。
Adding intermediate reflux and cooler and using packed column replaced plate column are suggested. The effect is evident in practice.
对总厂汽油分离塔提出增建中段外回流取热和将板式塔改为填料塔的建议，经实施后效果明显。
A methodology is developed for modeling the novel nine-stage cross-flow cascade packed column by using the " number of transfer unit" technique.
一个用“数字转移单位”技术的方法被用来模拟新式九阶错流柱。
A methodology is developed for modeling the novel nine-stage cross-flow cascade packed column by using the " number of transfer unit" technique.
一个用“数字转移单位”技术的方法被用来模拟新式九阶错流柱。
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