共 50 条
- [42] ABSORBED DOSE CALIBRATION SYSTEM OF NATIONAL-BUREAU-OF-STANDARDS PHYSICS IN MEDICINE AND BIOLOGY, 1977, 22 (03): : 559 - 559
- [43] RADIOACTIVE CALORIMETRY - REVIEW OF WORK AT NATIONAL-BUREAU-OF-STANDARDS NUCLEAR INSTRUMENTS & METHODS, 1973, 112 (1-2): : 273 - 277
- [45] USE AND COST OF ONLINE SYSTEMS AT NATIONAL-BUREAU-OF-STANDARDS LIBRARY PROCEEDINGS OF THE AMERICAN SOCIETY FOR INFORMATION SCIENCE, 1975, 12 : 132 - 133
- [46] THE WORK OF THE NATIONAL BUREAU OF STANDARDS IN METROLOGY AND MECHANICS SCIENTIFIC MONTHLY, 1933, 36 : 502 - 511
- [47] MEASUREMENT OF REVERBERATION TIME IN NATIONAL-BUREAU-OF-STANDARDS REVERBERATION ROOM JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 1976, 60 : S59 - S59
- [48] NATIONAL-BUREAU-OF-STANDARDS IRRADIANCE-SCALE INTERCOMPARISON UPDATE JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION, 1984, 1 (12): : 1270 - 1270
- [49] POLYMER STANDARD REFERENCE MATERIAL PROGRAM AT NATIONAL-BUREAU-OF-STANDARDS ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1971, (NSEP): : 34 - &
- [50] INCREASED RATE OF LIQUEFACTION OF THE NATIONAL-BUREAU-OF-STANDARDS HELIUM LIQUEFIER REVIEW OF SCIENTIFIC INSTRUMENTS, 1957, 28 (03): : 204 - 205