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Figure 1
Schematic diagram of the model system of the differential pump. P0 and P1 denote the pressure of higher and lower pressure regions, respectively. S1 is the pumping speed, Q is the gas flow, C is the conductance and D and L are the diameter and length of the conductance-limiting component, respectively.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 17| Part 2| March 2010| Pages 243-249
https://doi.org/10.1107/S0909049509052571
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