diameter threaded and coupled column
pipe along with a 111/16-inch diameter line shaft.
Nystrom, "Synthesis of Partially Thermally Coupled Column
Configurations of Multi-Component Distillations," In "Proceedings of European Symposium on Computer Aided Process Engineering-13 (ESCAPE)," Andrzej Kraslawski and Ilkka Turunen, Eds.
GCxGC separates the sample using two coupled columns
and a modulator interface that quantitatively transfers and compresses the sample to the second column, resulting in improved separation, sensitivity and reproducibility.