The air-valve was compared with one-way tank, both of which are used for avoiding liquid column separation in the pipe.
计算结果表明，在局部凸起点附近加装单向调压塔更能较好地避免液柱分离的发生。
The conditions of pre process such as extraction, evaporation, and column separation of sediment samples are optimized.
对沉积物样品的预处理中抽提、蒸发、柱层析、萃取等步骤条件进行优化。
In the paper, the experiment, in which the column separation phenomenon in the horizontal duct is investigated, is presented.
本文首先介绍了我们对水平管道系统中的液柱分离现象所作的实验。
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。
The results showed that the pore size played a significant role in the column efficiency for protein separation.
实验结果表明，硅胶孔径对蛋白原分离的柱效率有重要影响。
The computer simulation model for the separation of uranium and plutonium using the electro reduction pulsed column was established.
建立了电还原脉冲柱分离铀钚的模拟计算模型，提出了该模型的数值计算算法。
Compared with the current method, this method was better in the column efficiency, less tailing and effective separation of impurities.
与卫生部药品标准方法相比，柱效提高、拖尾现象减小，杂质分离更加有效。
After column chromatographic separation, re-crystallization treatment and supercritical fluid precipitation treatment, the purity of lutein is improved.
粗提物经柱层析分离，重结晶，再经过超临界流体沉淀处理后，可提高叶黄素的纯度。
The troublesome separation of column chromatography would be avoided as crude product recrystallized inn-butanol.
粗产物采用正丁醇重结晶，避免使用较繁琐的柱层析分离。
A weak anion exchange column was prepared and a separation method of interleukin-18 (IL-18) was developed on the column.
制备了弱阴离子交换整体柱，并建立了白介素18在该柱上分离纯化的方法。
The results show that if the separation demand can be satisfied, column can be overloaded in order to achieve more preparative throughput.
结果表明，在制备分离过程中，在满足分离要求的前提下，可以采用柱超载方式操作，以提高制备量。
The effects of composition of mobile phase, the structure of solute and the column temperature on chiral separation were extensively studied. The chiral recognition mechanism was discussed.
考察了流动相组成、溶质结构和柱温对对映体分离的影响，并初步探讨了手性识别的机理。
The separation and purification of pristinamycins from the fermentation broth by the method of silica gel column chromatography was developed.
建立了对发酵液中的普那霉素进行分离纯化的硅胶柱层析方法。
Several factors affecting the column performances in the preparation procedure were investigated and the chromatographic separation conditions were optimized.
考察了柱制备过程中影响柱性能的主要因素，优化了色谱分离条件。
Methods Using silica gel column chromatography for separation, TLC for tracking and detection, HPLC for purity detection of the products.
方法采用硅胶柱色谱进行分离，薄层色谱跟踪检测，HPLC检测产品纯度。
The results indicate that the series column possesses of high separation efficiency and long column life. The error in quantitative analysis was less than 4%.
结果表明串联柱具有寿命长和分离效率高的特点，定量分析误差小于4％。
Among the factors that influence the separation of compounds by gas chromatography are selection of liquid phase, column temperature, and flow rate of carrier gas.
在气相色层分析期间，影响化合物的分离因素有液相的选择，柱温，载气的流速。
By using this packing the extraction column, drying column and alkali separator were revamped. The separation efficiency and capacity were improved.
用于萃取塔、干燥塔和碱分离器的改造，使分离效率和能力得到改进。
The optimum condition of the separation enrichment by column chromatography with activated charcoal and sodium sulfite strip and extraction of trace gold with TMK-isoamyl alcohol has been studied.
本文叙述了用活性炭色层柱分离、亚硫酸钠解吸、TMK -异戊醇萃取比色测定痕量金的方法。
The effect of the chromatographic conditions such as composition of the eluent, flow rate and column temperature on the separation was studied.
研究了色谱条件如洗脱剂组成、流速和柱温对分离的影响。
The match of enrichment column and HPLC column also plays an important role on the separation.
富集柱与HPLC柱间的匹配对色谱分离起着重要作用。
This paper carried on experimental a research of the factor which influences the same column diameter of the turbid water hydraulic power separation device.
对影响同一柱体直径浑水水力分离清水装置分离性能的因素进行了试验研究。
In fractional distillation, that part of the distillate which may be returned to the column to assist in making a better separation into desired fractions.
在分馏中被送回塔内促进更好分离成所需馏分的那部分馏分油。
Objective to solve the problems on efficiency in chromatographic separation and life of chromatographic column in assay method of acetic acid.
前言：目的解决培养液中有机酸代谢产物-乙酸检测方法中存在的色谱分离效果差和色谱柱使用寿命短的问题。
Finally the separation of n-hexane and ethyl acetate was tested with an industrial column in a way of batch azeotropic distillation.
最后进行了工业间歇共沸精馏分离正己烷和乙酸乙酯的实验研究。
The principle of the discoid electrophoresis of polyacrylamide gel was explained. The composition and preparation method of gel separation column was introduced in detail.
介绍聚丙烯酰胺凝胶电泳法的电泳原理、凝胶分离柱的组成及其制备方法。
When speciation of sulfur compounds is required the sulfur impurities may be optionally concentrated and sent directly to a separation column and the detector bypassing the oxidation unit.
当需要确定硫化合物的物种时，可以任选地对硫杂质进行浓缩，然后直接输送到分离柱和检测器中，而从氧化装置旁路。
For the measurement of individual hydrocarbon species the sample is sent to a concentrator, and a separation column and sent to a FID detector for analysis.
对于各种烃物质的测量，将样品输送到浓缩器和分离柱，然后输送到FID检测器，进行分析。
For the measurement of individual hydrocarbon species the sample is sent to a concentrator, and a separation column and sent to a FID detector for analysis.
对于各种烃物质的测量，将样品输送到浓缩器和分离柱，然后输送到FID检测器，进行分析。
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