It consists of a water bath with magnetic stirring, balance flask, six-port valve and an on-line gas chromatography.
它包括恒温水浴、磁力搅拌器、油气平衡瓶、六通阀以及在线气相色谱仪。
Through many experiments, the chromatographic optimum conditions in the analyzing procedure and the precision switching time of the six-port valve were defined.
通过大量实验，优化了分析过程的色谱最佳条件，找准了六通阀的切换时间；
Through many experiments, the chromatographic optimum conditions in the analyzing procedure and the precision switching time of the six-port valve were defined.
通过大量实验，优化了分析过程的色谱最佳条件，找准了六通阀的切换时间；
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