Results 11 to 20 of about 648,618 (252)

Improving the measurement standard for the metrological support of the porometry of solid substances and materials

open access: yesСтандартные образцы, 2019
The State Primary Measurement Standard for units of specific gas adsorption, specific surface area, specific volume and pore size of solid substances and materials (GET 210–2014) is currently in operation at UNIIM.
E. P. Sobina
doaj   +1 more source

Quantum calibrations traceable through classical radiometry

open access: yesMeasurement: Sensors, 2021
A system for calibrating single photon detector efficiency that is traceable to the SI through a state-of-the-art classical optical fibre radiometer has been developed and is in the process of being vetted as a calibration service at the National ...
Michelle Stephens   +4 more
doaj   +1 more source

Development of a certified reference material for composition of high-purity copper as a transfer standard within GET 176-2013

open access: yesСтандартные образцы, 2017
Introduction. The paper gives information on the development of a certified reference material (CRM) for composition of high-purity copper (Cu CRM UNIIM).
Veniamin M. Zyskin   +2 more
doaj   +1 more source

Development of a certified reference material for specific surface area of quartz sand

open access: yesСтандартные образцы, 2017
The paper presents results of conducting research on the development of a certified reference material (CRM) for specific surface area of quartz sand, which is practically non-porous and therefore has low specific surface area value ~ 0.8 m2/g.
Egor P Sobina
doaj   +1 more source

Kinect-Based Assessment of Lower Limbs during Gait in Post-Stroke Hemiplegic Patients: A Narrative Review

open access: yesSensors, 2022
The aim of this review was to present an overview of the state of the art in the use of the Microsoft Kinect camera to assess gait in post-stroke individuals through an analysis of the available literature.
Serena Cerfoglio   +8 more
doaj   +1 more source

Development of transfer measurement standards in the form of high-purity metals

open access: yesСтандартные образцы, 2019
The article studies the development of transfer measurement standards in the form of high-purity metals (Ag, Cd, Co, Cr, Cu, Fe, Ge, Mn, Mo, Ni, Pb, V, Zn).
L. A. Konopelko   +2 more
doaj   +1 more source

The state primary standard of luminous flux for metrological support of measurements of led lamps in Ukraine

open access: yesUkrainian Metrological Journal, 2017
Describes the modern problems in the measurements of the luminous flux of LED lamps associated with their emission spectra, and describes the state primary standard of luminous flux, methods of reproducing the unit of luminous flux and transferring it to the working light sources.
openaire   +4 more sources

Comparação entre métodos de medição da camada semi-redutora em radiologia

open access: yesBrazilian Journal of Radiation Sciences, 2021
The Half Value Layer (HVL) is a parameter used in Quality Control (QC), to evaluate the X-ray beam quality. The HVL can be measured through the X-ray primary beam attenuation measurement using knew thickness slabs of 99% purity aluminum (M1) or by ...
Denyel Jefferson Prado Faria   +4 more
doaj   +1 more source

Development of a reference material for the composition of 0.1 m potassium dichromate solution. Certified reference material GSO 10992-2017

open access: yesСтандартные образцы, 2019
This paper describes key stages in the development and investigation of a high-precision certified reference material (CRM) for the composition of potassium dichromate solution.
A. Yu. Shimolin, A. V. Sobina
doaj   +1 more source

Reference materials of catalytic activity as a means of ensuring the metrological traceability of measurement results. KATAL

open access: yesСтандартные образцы, 2019
Introduction. The article considers the problems of metrological support of catalytic activity measurements. The paper gives certain characteristics of the State Primary Special Measurement Standard for the unit of catalytic activity – KATAL and examines
E. V. Kulyabina   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy