共 13 条
[1]
SENSITIVITY OF ELECTRON PARAMAGNETIC RESONANCE SPECTROMETERS USING PARAMETRIC AND MASER PREAMPLIFIERS
[J].
JOURNAL OF SCIENTIFIC INSTRUMENTS,
1967, 44 (06)
:430-&
[2]
COLLIER RJ, 1966, PHYSICS LETTERS, V2, P333
[3]
ERNST RR, 1966, ADV MAGN RESON, V2, P122
[4]
Friis H. T., 1944, PROC IRE, V32, P419, DOI [10.1109/JRPROC.1944.232049, DOI 10.1109/JRPROC.1944.232049]
[5]
AN ELECTRON SPIN RESONANCE SPECTROMETER USING THE AMMONIA MASER AS A PRE-AMPLIFIER
[J].
PHYSICS LETTERS,
1963, 5 (04)
:228-229
[8]
INGRAM DJ, 1958, FREE RADICALS
[9]
LECAR H, 1963, 1 P INT C PAR RES, P675
[10]
LOW W, 1963, 1 P INT C PAR RES ED, P675