共 50 条
- [31] NATIONAL-BUREAU-OF-STANDARDS REFERENCE MATERIALS AS ORGANIC NUTRIENT STANDARDS - A PRELIMINARY-STUDY JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1985, 68 (06): : 1084 - 1086
- [32] CURRENT WORK ON BETA-PARTICLE DOSIMETRY AT THE NATIONAL-BUREAU-OF-STANDARDS HEALTH PHYSICS, 1984, 47 (01): : 137 - 137
- [33] NATIONAL BUREAU OF STANDARDS BOULDER COLO JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS SECTION D-RADIO SCIENCE, 1964, D 68 (05): : 645 - +
- [34] CALIBRATION SERVICES OF NATIONAL BUREAU OF STANDARDS MATERIALS RESEARCH AND STANDARDS, 1968, 8 (08): : 29 - &
- [35] Measurement science at the National Bureau of Standards Accreditation and Quality Assurance, 2001, 6 : 111 - 112
- [38] A REPORT ON THE NATIONAL-BUREAU-OF-STANDARDS PH STANDARDS JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS, 1984, 89 (05): : 395 - 400
- [39] CALORIMETRIC ABSORBED DOSE STANDARDS AT NATIONAL BUREAU OF STANDARDS PHYSICS IN MEDICINE AND BIOLOGY, 1970, 15 (01): : 136 - +
- [40] FIELD STRENGTH AND RFI STANDARDS AT NATIONAL BUREAU OF STANDARDS IEEE ELECTROMAGNETIC COMPATIBILITY SYMPOSIUM RECORD, 1968, (10): : 149 - &