검색결과 : 1건
| No. | Article |
|---|---|
| 1 |
Recommended practices for measuring the performance and characteristics of closed-loop gaseous helium cryopumps Welch KM, Andeen B, de Rijke JE, Foster CA, Hablanian MH, Longsworth RC, Millikin WE, Sasaki YT, Tzemos C Journal of Vacuum Science & Technology A, 17(5), 3081, 1999 |