共 50 条
- [2] STATE PRIMARY STANDARD FOR THE CONCENTRATION UNIT FOR COMPONENTS IN GASES [J]. MEASUREMENT TECHNIQUES USSR, 1990, 33 (07): : 730 - 735
- [3] The special state standard of the unit of frequency deviation [J]. Measurement Techniques, 2005, 48 : 42 - 48
- [4] SPECIAL STATE STANDARD FOR FREQUENCY DEVIATION UNIT [J]. MEASUREMENT TECHNIQUES, 1977, 20 (09) : 1249 - 1252
- [6] Get 20–2014: State Primary Standard of Unit of Activity and Unit of Volume Activity of Nuclides in Beta-Active Gases [J]. Measurement Techniques, 2020, 62 : 849 - 854
- [10] State Special Standard of the Unit of Pressure for Pressure Differences [J]. Measurement Techniques, 2002, 45 : 569 - 571