共 9 条
[1]
BARRON RF, 1985, CRYOGENIC SYSTEMS, P449
[3]
DANIELS A, 1971, ADV CRYOGEN ENG, V16, P178
[4]
Gifford, 1960, ADV CRYOGEN ENG, V5, P354
[5]
GIFFORD WE, 1960, Patent No. 2966035
[6]
PARTAIN CL, 1983, NUCL MAGN RESON, P125
[7]
RADEBAUGH R, 1982, 9TH P INT CRYOG ENG, P781
[8]
STUART RW, 1970, ADV CRYOGEN ENG, V15, P428
[9]
WADE L, 1981, NBS607 REP, P164