1. Get 210-2019: State Primary Standard of Units of Specific Adsorption of Gases, Specific Surface Area of Pores, Specific Volume of Pores, Dimension of Pores, Open Porosity, and Coefficient of Gas Permeability of Solid Substances and Fabricated Materials

   • E. P. Sobina

   STATE STANDARDS 14 April 2021 Pages: 927 - 939

   

2. Cosmological Distance Scale. Part 12. Confluent Analysis, Rank Inversion, and Lack-of-Fit Tests

   • S. F. Levin

   FUNDAMENTAL PROBLEMS IN METROLOGY 14 April 2021 Pages: 940 - 949

   

3. Machine Learning In Problems Involved In Processing Satellite Images

   • L. P. Bass
   • Yu. A. Plastinin
   • I. Yu. Skryabysheva

   OPTOPHYSICAL MEASUREMENTS 15 April 2021 Pages: 950 - 958

   

4. Optical Frequency Standard Based on Strontium Cold Atoms

   • A. Yu. Gribov
   • O. I. Berdasov
   • S. N. Slyusarev

   TIME AND FREQUENCY MEASUREMENTS 14 April 2021 Pages: 959 - 965

   

5. System for Metrological Support for Traceability of Measurements of Mass Geometry Characteristics

   • O. V. Dovydenko
   • A. I. Samoylenko
   • V. V. Petronevich

   MECHANICAL MEASUREMENTS 14 April 2021 Pages: 966 - 973

   

6. Hydrostatic Fiber-Optic Liquid Level Sensor with a Position-Sensitive Detector

   • V. N. Astapov
   • I. N. Kozlova

   OriginalPaper 14 April 2021 Pages: 974 - 979

   

7. Metrology of Fluorescent Analysis in Russia and Abroad

   • M. M. Chugunova

   MEDICAL AND BIOLOGICAL MEASUREMENTS 14 April 2021 Pages: 980 - 985

   

8. Measurement of the Strength and Microstructural Characteristics of Epoxy Polymers Cured by Thermal and Microwave Methods

   • E. V. Matveev
   • A. V. Mamontov
   • A. N. Vinogradov

   PHYSICOCHEMICAL MEASUREMENTS 15 April 2021 Pages: 986 - 992

   

9. Money Metrology

   • V. N. Krutikov
   • V. V. Okrepilov

   ECONOMIC QUESTIONS OF METROLOGY 14 April 2021 Pages: 993 - 1003

   

10. Assessment of Equivalence of the Spectral Radiance Scales Following the Results of the Comparison between the National Metrology Institutes of Korea, China, and Russia

    • Dong-Joo Shin
    • Boris B. Khlevnoy
    • Yanfei Wang

    INTERNATIONAL COLLABORATION 14 April 2021 Pages: 1004 - 1011

    

11. Videoconference Activities of the Euro-Asian Cooperation of State Metrological Institutions Under the Pandemic

    • V. L. Hurevich
    • N. D. Liakhova

    OriginalPaper 15 April 2021 Pages: 1012 - 1018