共 50 条
- [21] LARGE-AREA PHOSWICH DETECTOR FOR MEASUREMENT OF LOW-LEVELS OF LOW-ENERGY PHOTON EMITTERS [J]. NUCLEAR INSTRUMENTS & METHODS, 1975, 130 (01): : 305 - 311
- [22] 3RD INTERNATIONAL-CONFERENCE ON MEASUREMENT OF LOW-LEVELS OF RADIOACTIVITY AND THEIR APPLICATION [J]. SOVIET ATOMIC ENERGY, 1976, 40 (03): : 339 - 340
- [24] INFRARED SPECTROSCOPIC STUDIES ON POLYETHYLENE .1. MEASUREMENT OF LOW-LEVELS OF CHAIN BRANCHING [J]. MAKROMOLEKULARE CHEMIE-MACROMOLECULAR CHEMISTRY AND PHYSICS, 1976, 177 (02): : 437 - 448
- [27] MEASUREMENT OF LOW-LEVELS OF NORMAL URANIUM IN WATER AND URINE BY LIQUID SCINTILLATION ALPHA-COUNTING [J]. NUCLEAR INSTRUMENTS & METHODS, 1974, 117 (02): : 589 - 595