Creation of the system for ensuring the uniformity of measurements in Ukraine in the XX century

The peculiarity of the formation and development of the system of ensuring the unity of measurements in Ukraine, in particular its technical basis - the reference base. Stages of formation of the Ukrainian system of ensuring the unity of measurements.

Подобные документы

  • Research of influence of the electric discharge machining on change the properties of water. The formation of free radicals and hydrogen peroxide under the influence of cavitation is established, which leads to an increase in the whiteness of the wool.

    статья, добавлен 21.12.2016

  • Improving the physical and mechanical properties of powder steels. Study of the effect of heat treatment on the structure of powder carbon steels with carbon-containing components. Research of heat treatment processes: hardening, tempering and annealing.

    статья, добавлен 27.02.2021

  • General characteristics of the hydrostatic spindle for ultraprecision double-sided machining. Familiarity with the main features and problems of modern engineering development. Consideration of ways to ensure quality indicators of machining parts.

    статья, добавлен 20.07.2020

  • Assessing the development of the global economy and aerospace industry. Finding ways to reduce environmental pollution, energy consumption and flight costs. Increasing the thrust-to-weight ratio, safety and reliability of modern aircraft engines.

    статья, добавлен 20.07.2024

  • Studying of sensor-transistor which based on a novel electrochemical transducer concept printed electrochemical sensors on paper. Consideration of electrochemical transistors which base their function on electrochemical modulation of the active material.

    учебное пособие, добавлен 17.08.2014

  • Huge gaps in structure and performance between different types of engines. The types and performance of modern advanced aero-engines, their practical applications in various aviation fields, and the development direction of future aircraft engines.

    статья, добавлен 04.09.2024

  • The peculiarity of studying the value of the protein-hydrogen index in the technology of milk production. Colorimetric and potentiometric methods of measuring pH in chemical and biological systems. Determination of basic acidity of dairy products.

    статья, добавлен 22.08.2022

  • А technology for manufacturing composite materials - flocculants-coagulants on aluminum-silicon and iron-silicon base. The evaluation of the effectiveness of the developed flocculants-coagulants for cleaning of natural water and industrial wastewater.

    статья, добавлен 11.01.2018

  • The Government shall take all measures, including the prompt transmission of information concerning the safety of navigation, to all interested persons, whether ships or stations. Technical measures aimed at transmission of information and its reception.

    статья, добавлен 19.09.2024

  • Defining of dimensional relationships where the aspect ratio. The building process for 3D microdevices. The features of creation surface energy high enough to maintain adhesion of the electroplated material until completion of the plating process.

    реферат, добавлен 16.04.2017

  • General technical description of workings mobots as systems with collective information. Description of sensory signals got from every robot. Modern collective robototekhnika is directed on automation of management in area of service of garden grass.

    статья, добавлен 02.03.2013

  • Revolution in denim fashion in the 60s of the twentieth century. The technology of using different colors and shades fabric for jeans. Release of the "Levis" final version of durable and comfortable original studded jeans with contrasting thread.

    статья, добавлен 22.10.2013

  • Analysis of the main causes of destruction of adhesive joints. Structural and technological stress concentrators, because of which cracks develop during operation. General characteristics of the resistance of adhesive bonding to failure at all stages.

    статья, добавлен 30.04.2018

  • The conductive nanocomposite films on the basis of reactionary copolymers received. The threshold of their percolation is determined. It was shown that its value depends on the size of specific surface of nanotubes and conditions of composite obtaining.

    статья, добавлен 23.09.2016

  • The main stages of the automatic assembly of cylinder connection. The structural elements of the flexible automated production. Prospect for the automation of machine building production. The main types of heat exchange in technological systems.

    контрольная работа, добавлен 05.04.2016

  • Creep and fatigue in polymer matrix composites. Stages, characteristics and deformation of creep. Mechanisms of creep. General creep equation. Dislocation, nabarro-herring, coble creep. Creep of polymers, of concrete. The molecular weight of the polymer.

    курсовая работа, добавлен 02.02.2015

  • In the article, using the self-reactance mathematical model of motion of oscillation separator with an occasion and spring pendant, on the basis of the built dependences, amplitudes of vibratory container of oscillation separator are from his kinematics.

    статья, добавлен 14.09.2016

  • Creation and testing of a model of a diesel engine muffler. Plotting a pressure level diagram inside the device. Analysis of the distribution of the sound field. Assessment energy losses of exhaust gases. Estimation of the spectrum and octave bandwidth.

    статья, добавлен 10.10.2024

  • Creation of a 3D model of the design scheme of the water heating and cavitation device and simulation in Hysys software. The main relationships between temperature, pressure and flow rate of the cavitation generator of the pulse hydrocycle unit.

    статья, добавлен 10.12.2024

  • Technical characteristics of the new turning and milling machines, the CTX beta 2000 TC. Milling with up to 220 Nm of torque (CTX beta-TC max. 120 Nm). Innovative multi-channel programming with ShopTurn 3G. The main advantages of CTX beta 2000 TC.

    презентация, добавлен 29.11.2015

  • The deals with the consideration of the peculiarities of the translation of English phraseological units on the basis of media discourse. It was found that phraseological combinations are stable, where one of the components has an independent meaning.

    статья, добавлен 27.12.2023

  • Biodegradable poly-3-hydroxybutyrate [P(3HB)] and birch sawdust - a material for the preparation of powder mixtures for molds in the production of granules and tablets. The prospect of a composite obtained on this basis for the building industry.

    статья, добавлен 17.04.2022

  • Study of structure and properties of aluminum alloys treated with nanodispersed modifiers. Consideration of the classical theory of modification of melts. Creation of fine-grained structure of castings. Analysis of existing aluminum alloy modifiers.

    статья, добавлен 21.04.2020

  • The study of magnetron sputtered coatings on base AlN-TiB2(TiSi2). The structural composition, morphology coated materials. Features amorphous-like coatings AlN-TiB2(TiSi2) after annealing and their impact on physical and mechanical properties changes.

    статья, добавлен 30.07.2016

  • Characterization of features spline approximation television pictures. Rearranged algorithm spline approximation television images detailing calculation of the coefficients which gives the possibility to improve the quality of decompressing video.

    статья, добавлен 26.06.2016

Работы в архивах красиво оформлены согласно требованиям ВУЗов и содержат рисунки, диаграммы, формулы и т.д.
PPT, PPTX и PDF-файлы представлены только в архивах.
Рекомендуем скачать работу и оценить ее, кликнув по соответствующей звездочке.