本方法流路简单，使用手动进样阀。
使用液相进样阀液态直接进样保证了试样的代表性。
The liquid-phase sample injection valve ensured the sampling reproducibility.
第二章进样阀串联双通道色谱在低碳烃类分析中的应用。
Chapter two is about tandem double columns and its application in the low carbon hydrocarbon analysis.
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；
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.
除了需要常规自动进样器的六通切换阀，还设计了一个直接进样阀（DIV）用于自动进样器。
In addition to a six-way valve used in conventional autosamplers, a direct injection valve (DIV) was de- signed and used in the autosampler.
使用流体动力定量管代替进样阀，用8种有机试剂作载流由流动注射原子吸收法测定12个元素。
The sensitivities of 12 elements has been invelstigated with 8 kinds of organic solvents used as carrier stream for FI-AAS, and by using a hydrodynamic conduit in place of injection valve.
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。
The technique of column-switching could alter the connections between injection valve and column, column and column, column and detector.
先将液态丙烯汽化成气态，用气体进样阀将气态丙烯样品进样到气相色谱仪中，由5A分子筛填充柱进行分离，用TCD检测器检测，外标法定量。
Propylene was vaporized from liquid to gas, then sampled to GC by gas sample valve, separated in 5A molecular sieve column, and determined with TCD.
介绍了六通阀气体进样器的结构和工作原理，为正确使用提出了一些注意事项以及日常维护的方法等。
This paper briefly introduce the construction and operating principles of the 6-way valve gas sampler. According to this paper, we can obtain some useful Suggestions about daily work and maintenance.
介绍了六通阀气体进样器的结构和工作原理，为正确使用提出了一些注意事项以及日常维护的方法等。
This paper briefly introduce the construction and operating principles of the 6-way valve gas sampler. According to this paper, we can obtain some useful Suggestions about daily work and maintenance.
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