共 50 条
- [25] GRID PLATE CALIBRATION AT THE NATIONAL-BUREAU-OF-STANDARDS JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS, 1988, 93 (01): : 41 - 51
- [26] CALIBRATION OF METER LINE STANDARDS OF LENGTH AT THE NATIONAL-BUREAU-OF-STANDARDS JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS, 1955, 54 (01): : 1 - 14
- [27] INVESTIGATION OF FREEZING TEMPERATURES OF NATIONAL-BUREAU-OF-STANDARDS ALUMINUM STANDARDS JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS SECTION A-PHYSICS AND CHEMISTRY, 1974, A 78 (04): : 477 - 495
- [28] PRESENT STATUS OF THE LEAK STANDARDS PROGRAM AT THE NATIONAL-BUREAU-OF-STANDARDS JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS, 1987, 5 (01): : 125 - 126
- [29] BIOLOGICAL REFERENCE MATERIALS FROM THE UNITED-STATES NATIONAL-BUREAU-OF-STANDARDS - AN UPDATE FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1987, 326 (07): : 609 - 612