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Reliability in gear shaping
Attention focuses on the maintenance of precision in gear-shaping machines when the time factor is taken into account. A useful mathematical model is described.
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URZHUMIAN STAGE IN GEOCHEMICAL VARIATIONS
Geological site Cheremushka is known as key stratigraphic record of Urzhumian stage of Middle Permian (Biarmian) series. It is situated on the Volga River’s right bank, near Kazan city (Russia). InExpand
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SOME ASPECTS CONCERNING THE FORMATION OF CLAYEY SEDIMENTS OF THE URZHUMIAN STAGE BY THE GEOCHEMICAL DATA ON THE REFERENCE SECTION
This paper considers the genesis of clayey sediments of the Urzhumian stage (the Middle Permian) by the XRF data on samples from the reference section. It was revealed that clayey sediments wereExpand
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АНАЛИЗ ПОКАЗАТЕЛЕЙ КАЧЕСТВА ЭЛЕКТРИЧЕСКОЙ ЭНЕРГИИ ПРИ РАБОТЕ АСИНХРОННОГО ДВИГАТЕЛЯ ОТ ТРЁХФАЗНОГО ИСТОЧНИКА ПИТАНИЯ
This scientifi c article is devoted to the study and analysis of the quality of electrical energy in the work of the asynchronous machine from three-phase network in the laboratory of electromagneticExpand
Lithological and Mineralogical Characteristics and Forming Conditions of the Jurassic Sediments on the West Siberian Basin
In the present work, lithological and mineralogical features, granulometric composition, as well as reservoir properties of the formation YuV1-1 of the Ety-Purovsky oil field are considered. It isExpand
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Mathematical Model for Assessing the Accuracy of Processed Gears on Gear Shaping Machines
TLDR
This paper examines the impact of the geometric and kinematic errors of gear shaping machines for the accuracy of processed wheels. Expand
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Complex processing of interferograms of light-erosion gas-plasma streams in vacuum
A technique for automated processing of the results of interferometry of light-erosion gas-plasma flows using the local thermodynamic equilibrium approximation and data on the mass flow rate of theExpand
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Types of reservoirs of the Ufa stage of the Republic of Tatarstan. Genesis and reservoir properties
In this paper, we studied core material from well No. 15 of the extra-viscous oil field, geographically located within the western border of the South Tatar arch. Under laboratory conditions,Expand