RESIDUAL GAS INVESTIGATIONS DURING THE ESRO 1 SATELLITE TESTS (1971)
SAENGER, G., SHICKLE, W · leaf 14
o the partial pressure of the u Q ,% ,^ ||- 4;'s2:ii ii& hydraulic oil steadily declined 0) U … oil did. Figure 13. Dependence of the partial pressures of the hydraulic oil and of the diffusion pump oil on the satellite According to the measurement position. with the Varian pump stand,the -4 to 10 Torr. According to the vapor pressure of the hydraulic oil amounts Van der Hoff equation: . H…