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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.
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). In
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 were
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 is
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 the
The Permian Clayey Sediments Genesis by XRF Data on the Reference Section (Volga River, Russia)
Background/Objectives: To study provenance and epigenetic transformation of clayey sediments, which were collected during the expedition in the summer of2013. Methods/Statistical analysis: Main
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