The characteristics of new measurement facilities entered into the composition of special state primary standard for reproduction and transfer of the sound pressure unit in water are presented. The operating principles of facilities and the results of metrological characteristics study are considered.

The results of improvementof national standard of longitudinal ultrasonic waves velocity in solids are considered. The measurement methods and the velocity standard measures are described. The metrological characteristics and the standard composition are given.

The results of development of the state secondary standard of units of mass fraction and mass (molar) concentration of metals in solid and liquid substances and materials ГВЭТ 196-1–2012 are presented. The standard is intended for reproduction of mass fraction units of metals in solids and materials in the range of 1∙10^–3–99,9 %, mass fraction of metals in the range of 1∙10^–4–6 %, mass concentration of metals in the range of 1∙10^–4–6 % g/dm³, and molar concentration of metals in the range of 2·10^–5–2 mol/dm³ in liquid substances and materials. The standard by metrological characteristics corresponds to secondary standard of the State verification scheme for instruments measuring the content of components in liquid and solid substances and materials.

The reasons for postponing the confirmation of new definitions for the kilogram and mole of SI based on the Resolution 1 taken by the 24 CGPM are considered.

The multimodelalgorithm based on expanded interpretation of Kalman filter algorithm is suggested. The results of computational experiment are presented.

The models of distributions during the standard measurement uncertainty recalculation into the expanded uncertainty as well as the models input quantities distributions used for the calculation of their standard uncertainty are considered. The upper estimates for both direct conversion tasks at the absence of information on the distributions form are given.

The asymptotic properties of the regression estimator of the probability density the synthesis of which assumes the decomposition of statistical data, are examined. On this basis the dependence of number of sampling intervals from the volume of original data is determined.

The possibility of application of modified Weibull distributions for evaluation and statistical-physical analysis of the reliability of the products is examined. The use of mixture of exponential and Weibull distributions is suggested.

The methodological basis of the method and some modern equipment laser emission spectrometry are considered.

The procedure of estimationof uncertainty of radiometric integral determined in the process of calibration of opticalelectronic Earth observation instrumentswith use of integrating sphere is proposed.

Theprocedure of determination of influence oftemperaturepulses, humidityandnoises on pressurepulses measurements data is described. Theresults of theoretical and experimental studies are presented.

The theoretical study results of magnetohydrodynamic interaction poorly conducting liquid flows in the open canal beds and free-flow pipelines are presented. The volume weight functions for electromagnetic flowmeter depending on the location of electrodes and liquid level are calculated. The possibility of simultaneous measurements of flowrate and level in unfilled pipelines by means of special processing of signals from several pairs of electrodes is shown.

The design and operation features of radiation thermometersin the temperature range from–30 to +120 °С are considered. The temperature distribution on the bottom and the walls of radiating cavity in stationary mode on the lower and upper range limits is studied .

The method of detection in noised signal of periodicity with known frequency based on the spectral estimation numbers of zero level crossings and differing by low computational expenses is suggested. The stude results showing the possibility of the suggested method application for practical tasks are presented.

It is shown that the performance of the detector and the antenna parts of uncooled terahertz detector based on submillimeter and nanometer resonance structures in the form of the spiral fragments and microresonators in the form of round holes can reach the reflection losses –24,29 dB, the standing wave ratio 1,13 and conversion efficiency of 99,63 %.

The possibilities of correct usage of matrix corrections to the absorption of analysed X-ray characteristic radiation, target stopping power, and backward scattering of primary beam electrons at measurements by the X-ray spectrum microanalysis method are considered.

The experimental installation and the results of study of the new method of measurements of the casing-head gas without preliminary separation of gas-liquid mixture are described. The availability of this method for the calculation of casing-head gas problem solution is shown.

The analysis of influence of interfering factors on measurement of moisture of liquid, paste-like, and friable materials is carried out. The recommendations on construction of electrical model of primary transmitter are worked out.

The installation for verification and calibration of oxygen activity sensors is developed tested and registered in the state register of measuring instruments. The procedure of thissensors verification is developed.