A simple sample injection technique which can he considered as a simplification of cold on-column injection has been proposed.
本文提出了一种简化的毛细管色谱“冷柱上进样”技术并对其性能进行了研究。
This paper describes an imperfect pulse injection stimulus-response technique to study the axial mixing in the extraction column.
本文以非理想脉冲注入的扰动-响应技术，进行萃取柱轴向混合的研究。
By using the principle of reliability design, the withdrwal core mechanism with bevel lead column in plastic injection mould is analyzed.
运用可靠性设计原理， 对塑料注射模常用的斜导柱式抽芯机构进行分析。
The well S1-1 is a water injection well, which has the characteristic-close pressure between liquid column and formation leakage.
1井是具有钻进时液柱压力与地层漏失压力相接近特点的一口注水井。
Methods: auto - injection using external standard headspace method, which make the component can be separated at the nonpolar elastic capillary column, the result is good.
方法：采用外标法顶空自动进样，在非极性弹性毛细管柱上进行分离，效果良好。
According to the theory on stock column skeleton of BF and the economic analysis of injection, a new concept on limit of injected coal and critical replacement ratio is proposed.
根据料柱骨架理论和喷煤技术经济分析，提出了高炉喷煤极限和临界置换比的新概念；
Methods: Use Head- space automatic injection method, isolating with the nonpolarity flexibility capillary column, calculating with external method.
方法：采用外标法顶空自动进样，在非极性弹性毛细管柱上进行分离，效果良好。
Methods Local injection of Dprospan near vertebral column plus traction and manipulation was performed to 58 cases with lumbar disc protrusion, and a comparative observation was made with the control.
方法对58例腰椎间盘突出症患者采用得宝松脊旁局部注射并配合牵引、推拿治疗，与对照组进行对比观察。
The technique of column-switching could alter the connections between injection valve and column, column and column, column and detector.
柱切换是指利用多通路切换阀改变进样阀与色谱柱、色谱柱与色谱柱、色谱柱与检测器之间的连接关系的技术。
This isocratic system consists of a high pressure solvent delivery pump, an UV/VIS detector, a manual injection valve, and a solvent tray, a column and a Chromatography Workstation.
整套系统由高压输液泵、检测器、进样阀、溶剂托盘、色谱柱、工作站软件等组成；
One kind of beam type gas injection packing support plate used in the column is introduced. The curve equation of the developed pattern of the arciform plate is presented.
介绍了塔器内梁型气体喷射式填料支承及其拱形板展开图，并通过详细计算给出了该展开图的曲线方程。
It is shown the key point of reaching the limit of coal injection is improvement of permeability of stock column and enhanced BF operation.
指出大量喷煤，达到喷煤量极限的关键在于改善料柱透气性，提高高炉冶炼水平。关。
Apparatus - a gas chromatograph consists of a carrier gas source, an injection port, column, detector, and recording device.
仪器—一台气相色谱仪包括了载气源、进样口、色谱柱、检测器和记录设备。
Applying backflushing helps maintain the GC and the MS source by removing later eluting compounds from the column before reaching the MS, and prior to the next sample injection.
应用反吹技术可以在下一个样品进样之前，直接除去柱中的后洗脱化合物以防止其进入质谱仪，从而帮助我们保持气相色谱和离子源性能。
Several important factors are discussed, such as buffer systems, terminating ions, column effective length and injection time of sample and terminating solution.
详细讨论了影响富集的缓冲体系、尾随离子种类、毛细管有效长度、进样时间和等速电泳时间等重要因素。
Several important factors are discussed, such as buffer systems, terminating ions, column effective length and injection time of sample and terminating solution.
详细讨论了影响富集的缓冲体系、尾随离子种类、毛细管有效长度、进样时间和等速电泳时间等重要因素。
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