scholarly journals Research on Helium Mass-spectrometer Back Pressure Leak Detection Purification Craft for the Specimen with Epoxy Resin

Author(s):  
Yingjun Huang ◽  
Xudong Liao ◽  
Guoyun Bai ◽  
Bo Li ◽  
Miao Lou
1947 ◽  
Vol 18 (1) ◽  
pp. 30-33 ◽  
Author(s):  
A. O. Nier ◽  
C. M. Stevens ◽  
A. Hustrulid ◽  
T. A. Abbott

1952 ◽  
Vol 2 (1) ◽  
pp. 66-70 ◽  
Author(s):  
M. E. Reinders ◽  
J. Schutten ◽  
J. Kistemaker

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