31 research outputs found

    Compacton-like solutions of the hydrodynamic system describing relaxing media

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    We show the existence of a compacton-like solutions within the relaxing hydrodynamic-type model and perform numerical study of attracting features of these solutions

    Structural stability of simplest dynamical inequalities

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    The structural stability of families of orbits is proved for the simplest generic smooth dynamical inequality in the plane with bounded complement of the domain of complete controllability. Typical singularities of the boundaries of nonlocal transitivity zones for such inequalities are found. The stability of these singularities under small perturbations of the generic inequality is proved

    On Structural Stability of Characteristic Nets and the Cauchy Problem for a Tricomiβ€”Cibrario Type Equation

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    For a generic second-order linear partial differential equation on the plane, we discuss the problem of nonlocal normal forms and invariants of the family of its characteristics, as well as the current state of the corresponding theory. As an example of potential applications of this theory, we solve a special Cauchy problem for a mixed-type equation

    Π‘ΠΎΠ²Ρ€Π΅ΠΌΠ΅Π½Π½Ρ‹Π΅ Ρ‚Π΅Π½Π΄Π΅Π½Ρ†ΠΈΠΈ протСзирования Π²ΠΊΠ»ΡŽΡ‡Ρ‘Π½Π½Ρ‹Ρ… Π΄Π΅Ρ„Π΅ΠΊΡ‚ΠΎΠ² Π·ΡƒΠ±Π½Ρ‹Ρ… рядов: имплантологичСскиС Ρ€Π΅ΡˆΠ΅Π½ΠΈΡ Π² слоТных клиничСских ситуациях

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    The application of technological advances discussed in this article provides the opportunity to expand the indications for the use of implants of reduced diameter for further highly aesthetic prosthetics of included defects in the dentition under conditions that are initially characterized by adverse parameters. The article substantiates that the advantages of using implants of reduced diameter with included defects in the dentition, in clinical situations that, at first glance, make standard implantation with subsequent prosthetics impossible, outweigh the possible disadvantages.ΠŸΡ€ΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ тСхнологичСских достиТСний, рассмотрСнных Π² настоящСй ΡΡ‚Π°Ρ‚ΡŒΠ΅, обСспСчиваСт Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡ‚ΡŒ Ρ€Π°ΡΡˆΠΈΡ€Π΅Π½ΠΈΡ ΠΏΠΎΠΊΠ°Π·Π°Π½ΠΈΠΉ ΠΊ ΠΏΡ€ΠΈΠΌΠ΅Π½Π΅Π½ΠΈΡŽ ΠΈΠΌΠΏΠ»Π°Π½Ρ‚Π°Ρ‚ΠΎΠ² ΡƒΠΌΠ΅Π½ΡŒΡˆΠ΅Π½Π½ΠΎΠ³ΠΎ Π΄ΠΈΠ°ΠΌΠ΅Ρ‚Ρ€Π° для дальнСйшСго высокоэстСтичСского протСзирования Π²ΠΊΠ»ΡŽΡ‡Π΅Π½Π½Ρ‹Ρ… Π΄Π΅Ρ„Π΅ΠΊΡ‚ΠΎΠ² Π·ΡƒΠ±Π½Ρ‹Ρ… рядов Π² условиях, ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Π΅ ΠΈΠ·Π½Π°Ρ‡Π°Π»ΡŒΠ½ΠΎ Ρ…Π°Ρ€Π°ΠΊΡ‚Π΅Ρ€ΠΈΠ·ΡƒΡŽΡ‚ΡΡ нСблагоприятными ΠΏΠ°Ρ€Π°ΠΌΠ΅Ρ‚Ρ€Π°ΠΌΠΈ. Π’ ΡΡ‚Π°Ρ‚ΡŒΠ΅ обосновано, Ρ‡Ρ‚ΠΎ прСимущСства примСнСния ΠΈΠΌΠΏΠ»Π°Π½Ρ‚ΠΎΠ² ΡƒΠΌΠ΅Π½ΡŒΡˆΠ΅Π½Π½ΠΎΠ³ΠΎ Π΄ΠΈΠ°ΠΌΠ΅Ρ‚Ρ€Π° ΠΏΡ€ΠΈ Π²ΠΊΠ»ΡŽΡ‡Π΅Π½Π½Ρ‹Ρ… Π΄Π΅Ρ„Π΅ΠΊΡ‚Π°Ρ… Π·ΡƒΠ±Π½Ρ‹Ρ… рядов, Π² клиничСских ситуациях, ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Π΅ Π½Π° ΠΏΠ΅Ρ€Π²Ρ‹ΠΉ взгляд, Π΄Π΅Π»Π°ΡŽΡ‚ Π½Π΅Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΠΉ ΡΡ‚Π°Π½Π΄Π°Ρ€Ρ‚Π½ΡƒΡŽ ΠΈΠΌΠΏΠ»Π°Π½Ρ‚Π°Ρ†ΠΈΡŽ с ΠΏΠΎΡΠ»Π΅Π΄ΡƒΡŽΡ‰ΠΈΠΌ ΠΏΡ€ΠΎΡ‚Π΅Π·ΠΈΡ€ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ, ΠΏΠ΅Ρ€Π΅Π²Π΅ΡˆΠΈΠ²Π°ΡŽΡ‚ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½Ρ‹Π΅ нСдостатки

    ΠœΠΠ’Π•Π Π˜ΠΠ›Π« Π”Π›Π― Π’Π«Π‘ΠžΠšΠžΠ­Π‘Π’Π•Π’Π˜Π§Π•Π‘ΠšΠ˜Π₯ ΠžΠ Π’ΠžΠŸΠ•Π”Π˜Π§Π•Π‘ΠšΠ˜Π₯ ΠšΠžΠΠ‘Π’Π Π£ΠšΠ¦Π˜Π™: Π¦Π˜Π ΠšΠžΠΠ˜Π•Π’Π«Π• Π Π•Π‘Π’ΠΠ’Π ΠΠ¦Π˜Π˜

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    On the use of zirconium dioxide suprastructures, which have become widely used in the practice of aesthetic dentistry of the XXI century, the first publications appeared in 2003. Due to the mechanism of transformational hardening, this material has a unique biocompatibility and the ability to restrain the spread of microcracks under excessive loads. In this article we have conducted an extensive analysis of foreign publications devoted to the most controversial issues related to orthopedic constructions of zirconium dioxide: their biocompatibility, cytotoxicity, strength, durability.О ΠΏΡ€ΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠΈ супраструктур ΠΈΠ· диоксида циркония, ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Π΅ стали ΡˆΠΈΡ€ΠΎΠΊΠΎ ΠΏΡ€ΠΈΠΌΠ΅Π½ΡΡ‚ΡŒΡΡ Π² ΠΏΡ€Π°ΠΊΡ‚ΠΈΠΊΠ΅ эстСтичСской стоматологии XXI Π²Π΅ΠΊΠ°, ΠΏΠ΅Ρ€Π²Ρ‹Π΅ ΠΏΡƒΠ±Π»ΠΈΠΊΠ°Ρ†ΠΈΠΈ появились Π΅Ρ‰Π΅ Π² 2003 Π³ΠΎΠ΄Ρƒ. Благодаря ΠΌΠ΅Ρ…Π°Π½ΠΈΠ·ΠΌΡƒ трансформационного упрочнСния этот ΠΌΠ°Ρ‚Π΅Ρ€ΠΈΠ°Π» ΠΎΠ±Π»Π°Π΄Π°Π΅Ρ‚ ΡƒΠ½ΠΈΠΊΠ°Π»ΡŒΠ½ΠΎΠΉ Π±ΠΈΠΎΡΠΎΠ²ΠΌΠ΅ΡΡ‚ΠΈΠΌΠΎΡΡ‚ΡŒΡŽ ΠΈ ΡΠΏΠΎΡΠΎΠ±Π½ΠΎΡΡ‚ΡŒΡŽ ΡΠ΄Π΅Ρ€ΠΆΠΈΠ²Π°Ρ‚ΡŒ распространСниС ΠΌΠΈΠΊΡ€ΠΎΡ‚Ρ€Π΅Ρ‰ΠΈΠ½ ΠΏΡ€ΠΈ Ρ‡Ρ€Π΅Π·ΠΌΠ΅Ρ€Π½Ρ‹Ρ… Π½Π°Π³Ρ€ΡƒΠ·ΠΊΠ°Ρ…. Π’ Π΄Π°Π½Π½ΠΎΠΉ ΡΡ‚Π°Ρ‚ΡŒΠ΅ ΠΌΡ‹ ΠΏΡ€ΠΎΠ²Π΅Π»ΠΈ ΠΎΠ±ΡˆΠΈΡ€Π½Ρ‹ΠΉ Π°Π½Π°Π»ΠΈΠ· Π·Π°Ρ€ΡƒΠ±Π΅ΠΆΠ½Ρ‹Ρ… ΠΏΡƒΠ±Π»ΠΈΠΊΠ°Ρ†ΠΈΠΉ, посвящённых Π½Π°ΠΈΠ±ΠΎΠ»Π΅Π΅ дискуссионным вопросам, ΠΊΠ°ΡΠ°ΡŽΡ‰ΠΈΡ…ΡΡ ортопСдичСских конструкций ΠΈΠ· диоксида циркония: ΠΈΡ… биосовмСстимости, цитотоксичности, прочности, износостойкости

    COMPLEX-FORMATION OF CU(II) AND FE(III) CHLORIDES WITH 6-HYDROXY-2,2,4-TRIMETHYL-1,2-DIHYDROQUINOLINE

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    COMPLEX-FORMATION OF CU(II) AND FE(III) CHLORIDES WITH 6-HYDROXY-2,2,4-TRIMETHYL-1,2-DIHYDROQUINOLINE

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