1,517 research outputs found

    On the upper limit of antinuclei content in cosmic rays

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    Upper limit of antinuclei content in cosmic ray

    Anatomical practicum in educational process

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    This paper includes the definition of anatomical practicum, its classification established historically in the educational process, its current reality and the possibilities of an anatomical practicum in future, the ways of its improvement and optimization.Π‘Ρ‚Π°Ρ‚ΡŒΡ Π²ΠΊΠ»ΡŽΡ‡Π°Π΅Ρ‚ Π² сСбя ΠΎΠΏΡ€Π΅Π΄Π΅Π»Π΅Π½ΠΈΠ΅ анатомичСского ΠΏΡ€Π°ΠΊΡ‚ΠΈΠΊΡƒΠΌΠ°, Π΅Π³ΠΎ ΠΊΠ»Π°ΡΡΠΈΡ„ΠΈΠΊΠ°Ρ†ΠΈΡŽ, историчСски ΡΠ»ΠΎΠΆΠΈΠ²ΡˆΡƒΡŽΡΡ Π² ΠΎΠ±Ρ€Π°Π·ΠΎΠ²Π°Ρ‚Π΅Π»ΡŒΠ½ΠΎΠΌ процСссС, Ρ‚Π΅ΠΊΡƒΡ‰ΡƒΡŽ Ρ€Π΅Π°Π»ΡŒΠ½ΠΎΡΡ‚ΡŒ ΠΈ возмоТности анатомичСского ΠΏΡ€Π°ΠΊΡ‚ΠΈΠΊΡƒΠΌΠ° Π² Π±ΡƒΠ΄ΡƒΡ‰Π΅ΠΌ, ΠΏΡƒΡ‚ΠΈ Π΅Π³ΠΎ ΡΠΎΠ²Π΅Ρ€ΡˆΠ΅Π½ΡΡ‚Π²ΠΎΠ²Π°Π½ΠΈΡ ΠΈ ΠΎΠΏΡ‚ΠΈΠΌΠΈΠ·Π°Ρ†ΠΈΠΈ

    On the angular distribution of extensive air showers

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    Angular distributions of extensive air showers with different number of charged particles in the range 2.5x10^5--4x10^7 are derived using the experimental data obtained with the EAS MSU array. Possible approximations of the obtained distributions with different empiric functions available in literature, are analysed. It is shown that the exponential function provides the best approximation of the angular distributions in the sense of the chi-squared criterion.Comment: 5 pages including 1 figur

    The Geometry and Moduli of K3 Surfaces

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    These notes will give an introduction to the theory of K3 surfaces. We begin with some general results on K3 surfaces, including the construction of their moduli space and some of its properties. We then move on to focus on the theory of polarized K3 surfaces, studying their moduli, degenerations and the compactification problem. This theory is then further enhanced to a discussion of lattice polarized K3 surfaces, which provide a rich source of explicit examples, including a large class of lattice polarizations coming from elliptic fibrations. Finally, we conclude by discussing the ample and Kahler cones of K3 surfaces, and give some of their applications.Comment: 34 pages, 2 figures. (R. Laza, M. Schutt and N. Yui, eds.

    Π‘Π΅Π·ΠΎΠΏΠ°ΡΠ½ΠΎΡΡ‚ΡŒ Π²Π°ΠΊΡ†ΠΈΠ½ ΠΏΡ€ΠΎΡ‚ΠΈΠ² COVID-19 Ρƒ Π±ΠΎΠ»ΡŒΠ½Ρ‹Ρ… с ΠΈΠΌΠΌΡƒΠ½ΠΎΠ²ΠΎΡΠΏΠ°Π»ΠΈΡ‚Π΅Π»ΡŒΠ½Ρ‹ΠΌΠΈ рСвматичСскими заболСваниями (ΠΏΡ€Π΅Π΄Π²Π°Ρ€ΠΈΡ‚Π΅Π»ΡŒΠ½Ρ‹Π΅ Π΄Π°Π½Π½Ρ‹Π΅)

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    Objective: to assess the safety of COVID-19 vaccines in patients with immunoinflammatory rheumatic diseases (IRD) in real clinical practice.Patients and methods. A cross-sectional study of patients with IRD, who were admitted to V.A. Nasonova Research Institute of Rheumatology for inpatient or outpatient treatment. All patients received at least 1 dose of vaccine against COVID-19 (main group). The control group consisted of vaccinated persons without IRD. All participants were interviewed by the researcher by filling out a unified questionnaire, additional information was obtained from medical records.Results and discussion. The study included 204 patients with IRD (151 of them were vaccinated with Sputnik V, 31 with Sputnik Light, 19 with Π‘oviVac, 3 with EpiVacCorona; 173 patients received the second component of vaccine) and 131 subjects without IRD (101 of them were vaccinated with Sputnik V, 17 – CoviVak, 5 – Sputnik Light, 2 – EpiVacCorona, 6 – Pfizer/BioNTech; 124 patients received the second component of the vaccine). The number of patients with IRD who had both local and systemic reactions after administration of the first component of the vaccine was significantly less than in the control group (19.6 and 38.9%, respectively; p<0.001). Similar differences were noted after the administration of the second component (15.6 and 27.4%, respectively; p=0.013). Adverse events (AEs) such as pain at the injection site without restriction of movement, weakness, fever, arthralgia/myalgia and chills were significantly more common in the control group after the administration of the first component of the vaccine. After complete immunization, AEs were absent in 35.8% of patients with IRD and in 21% of controls (p=0.006). Exacerbations of IRD and new autoimmune phenomena were not registered in any case.Conclusion. According to preliminary data, vaccination against COVID-19 in patients with IRD appears to be quite safe. Further studies are needed to investigate the safety, immunogenicity, and clinical efficacy of COVID-19 immunization in rheumatic patients.ЦСль исслСдования – ΠΎΡ†Π΅Π½ΠΊΠ° бСзопасности Π²Π°ΠΊΡ†ΠΈΠ½ ΠΏΡ€ΠΎΡ‚ΠΈΠ² COVID-19 Ρƒ Π±ΠΎΠ»ΡŒΠ½Ρ‹Ρ… с ΠΈΠΌΠΌΡƒΠ½ΠΎΠ²ΠΎΡΠΏΠ°Π»ΠΈΡ‚Π΅Π»ΡŒΠ½Ρ‹ΠΌΠΈ рСвматичСскими заболСваниями (Π˜Π’Π Π—) Π² Ρ€Π΅Π°Π»ΡŒΠ½ΠΎΠΉ клиничСской ΠΏΡ€Π°ΠΊΡ‚ΠΈΠΊΠ΅.ΠŸΠ°Ρ†ΠΈΠ΅Π½Ρ‚Ρ‹ ΠΈ ΠΌΠ΅Ρ‚ΠΎΠ΄Ρ‹. ΠŸΡ€ΠΎΠ²Π΅Π΄Π΅Π½ΠΎ ΠΎΠ΄Π½ΠΎΠΌΠΎΠΌΠ΅Π½Ρ‚Π½ΠΎΠ΅ исслСдованиС ΠΏΠΎΡΡ‚ΡƒΠΏΠΈΠ²ΡˆΠΈΡ… Π½Π° стационарноС Π»Π΅Ρ‡Π΅Π½ΠΈΠ΅ ΠΈΠ»ΠΈ ΠΎΠ±Ρ€Π°Ρ‚ΠΈΠ²ΡˆΠΈΡ…ΡΡ Π² ΠΊΠΎΠ½ΡΡƒΠ»ΡŒΡ‚Π°Ρ‚ΠΈΠ²Π½ΠΎ-диагностичСский Ρ†Π΅Π½Ρ‚Ρ€ ЀГБНУ «Научно-ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Ρ‚Π΅Π»ΡŒΡΠΊΠΈΠΉ институт Ρ€Π΅Π²ΠΌΠ°Ρ‚ΠΎΠ»ΠΎΠ³ΠΈΠΈ ΠΈΠΌ. Π’.А. Насоновой» Π±ΠΎΠ»ΡŒΠ½Ρ‹Ρ… с Π˜Π’Π Π—, ΠΏΠΎΠ»ΡƒΡ‡ΠΈΠ²ΡˆΠΈΡ… ΠΊΠ°ΠΊ ΠΌΠΈΠ½ΠΈΠΌΡƒΠΌ 1 Π΄ΠΎΠ·Ρƒ Π²Π°ΠΊΡ†ΠΈΠ½Ρ‹ ΠΏΡ€ΠΎΡ‚ΠΈΠ² COVID-19 (основная Π³Ρ€ΡƒΠΏΠΏΠ°). ΠšΠΎΠ½Ρ‚Ρ€ΠΎΠ»ΡŒΠ½ΡƒΡŽ Π³Ρ€ΡƒΠΏΠΏΡƒ составили Π²Π°ΠΊΡ†ΠΈΠ½ΠΈΡ€ΠΎΠ²Π°Π½Π½Ρ‹Π΅ Π»ΠΈΡ†Π° Π±Π΅Π· Π˜Π’Π Π—. ВсС участники Π±Ρ‹Π»ΠΈ ΠΎΠΏΡ€ΠΎΡˆΠ΅Π½Ρ‹ Π²Ρ€Π°Ρ‡ΠΎΠΌ-исслСдоватСлСм с Π·Π°ΠΏΠΎΠ»Π½Π΅Π½ΠΈΠ΅ΠΌ ΡƒΠ½ΠΈΡ„ΠΈΡ†ΠΈΡ€ΠΎΠ²Π°Π½Π½ΠΎΠΉ Π°Π½ΠΊΠ΅Ρ‚Ρ‹, Π΄ΠΎΠΏΠΎΠ»Π½ΠΈΡ‚Π΅Π»ΡŒΠ½ΡƒΡŽ ΠΈΠ½Ρ„ΠΎΡ€ΠΌΠ°Ρ†ΠΈΡŽ ΠΏΠΎΠ»ΡƒΡ‡Π°Π»ΠΈ ΠΈΠ· мСдицинской Π΄ΠΎΠΊΡƒΠΌΠ΅Π½Ρ‚Π°Ρ†ΠΈΠΈ.Π Π΅Π·ΡƒΠ»ΡŒΡ‚Π°Ρ‚Ρ‹ ΠΈ обсуТдСниС. Π’ исслСдованиС Π²ΠΊΠ»ΡŽΡ‡Π΅Π½ΠΎ 204 Π±ΠΎΠ»ΡŒΠ½Ρ‹Ρ… с Π˜Π’Π Π— (151 ΠΈΠ· Π½ΠΈΡ… Π±Ρ‹Π» Π²Π°ΠΊΡ†ΠΈΠ½ΠΈΡ€ΠΎΠ²Π°Π½ Π‘ΠΏΡƒΡ‚Π½ΠΈΠΊΠΎΠΌ V, 31 – Π‘ΠΏΡƒΡ‚Π½ΠΈΠΊΠΎΠΌ Π›Π°ΠΉΡ‚, 19 – ΠšΠΎΠ²ΠΈΠ’Π°ΠΊΠΎΠΌ, 3 – Π­ΠΏΠΈΠ’Π°ΠΊΠšΠΎΡ€ΠΎΠ½ΠΎΠΉ; Π²Ρ‚ΠΎΡ€ΠΎΠΉ ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚ Π²Π°ΠΊΡ†ΠΈΠ½Ρ‹ ΠΏΠΎΠ»ΡƒΡ‡ΠΈΠ»ΠΈ 173 ΠΏΠ°Ρ†ΠΈΠ΅Π½Ρ‚Π°) ΠΈ 131 испытуСмый Π±Π΅Π· Π˜Π’Π Π— (101 ΠΈΠ· Π½ΠΈΡ… Π±Ρ‹Π» Π²Π²Π΅Π΄Π΅Π½ Π‘ΠΏΡƒΡ‚Π½ΠΈΠΊ V, 17 – ΠšΠΎΠ²ΠΈΠ’Π°ΠΊ, 5 – Π‘ΠΏΡƒΡ‚Π½ΠΈΠΊ Π›Π°ΠΉΡ‚, 2 – Π­ΠΏΠΈΠ’Π°ΠΊΠšΠΎΡ€ΠΎΠ½Π°, 6 – Pfizer/BioNTech; Π²Ρ‚ΠΎΡ€ΠΎΠΉ ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚ Π²Π°ΠΊΡ†ΠΈΠ½Ρ‹ ΠΏΠΎΠ»ΡƒΡ‡ΠΈΠ»ΠΈ 124 обслСдованных). ΠšΠΎΠ»ΠΈΡ‡Π΅ΡΡ‚Π²ΠΎ ΠΏΠ°Ρ†ΠΈΠ΅Π½Ρ‚ΠΎΠ² с Π˜Π’Π Π—, Ρƒ ΠΊΠΎΡ‚ΠΎΡ€Ρ‹Ρ… Π±Ρ‹Π»ΠΈ зарСгистрированы ΠΊΠ°ΠΊ мСстныС, Ρ‚Π°ΠΊ ΠΈ систСмныС Ρ€Π΅Π°ΠΊΡ†ΠΈΠΈ Π½Π° Π²Π²Π΅Π΄Π΅Π½ΠΈΠ΅ ΠΏΠ΅Ρ€Π²ΠΎΠ³ΠΎ ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚Π° Π²Π°ΠΊΡ†ΠΈΠ½Ρ‹, Π±Ρ‹Π»ΠΎ Π·Π½Π°Ρ‡ΠΈΠΌΠΎ мСньшС, Ρ‡Π΅ΠΌ Π² ΠΊΠΎΠ½Ρ‚Ρ€ΠΎΠ»ΡŒΠ½ΠΎΠΉ Π³Ρ€ΡƒΠΏΠΏΠ΅ (19,6 ΠΈ 38,9% соотвСтствСнно; p<0,001). АналогичныС различия ΠΎΡ‚ΠΌΠ΅Ρ‡Π°Π»ΠΈΡΡŒ ΠΈ послС ввСдСния Π²Ρ‚ΠΎΡ€ΠΎΠ³ΠΎ ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚Π° (15,6 ΠΈ 27,4% соотвСтствСнно; p=0,013). Π’Π°ΠΊΠΈΠ΅ Π½Π΅ΠΆΠ΅Π»Π°Ρ‚Π΅Π»ΡŒΠ½Ρ‹Π΅ явлСния (НЯ), ΠΊΠ°ΠΊ боль Π² мСстС ΠΈΠ½ΡŠΠ΅ΠΊΡ†ΠΈΠΈ Π±Π΅Π· ограничСния двиТСния, ΡΠ»Π°Π±ΠΎΡΡ‚ΡŒ, ΠΏΠΎΠ²Ρ‹ΡˆΠ΅Π½ΠΈΠ΅ Ρ‚Π΅ΠΌΠΏΠ΅Ρ€Π°Ρ‚ΡƒΡ€Ρ‹ Ρ‚Π΅Π»Π°, Π°Ρ€Ρ‚Ρ€Π°Π»Π³ΠΈΠΈ/ΠΌΠΈΠ°Π»Π³ΠΈΠΈ ΠΈ ΠΎΠ·Π½ΠΎΠ± Π·Π½Π°Ρ‡ΠΈΠΌΠΎ Ρ‡Π°Ρ‰Π΅ Π²ΡΡ‚Ρ€Π΅Ρ‡Π°Π»ΠΈΡΡŒ Π² ΠΊΠΎΠ½Ρ‚Ρ€ΠΎΠ»ΡŒΠ½ΠΎΠΉ Π³Ρ€ΡƒΠΏΠΏΠ΅ послС ввСдСния ΠΏΠ΅Ρ€Π²ΠΎΠ³ΠΎ ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚Π° Π²Π°ΠΊΡ†ΠΈΠ½Ρ‹. ПослС ΠΏΠΎΠ»Π½ΠΎΠΉ ΠΈΠΌΠΌΡƒΠ½ΠΈΠ·Π°Ρ†ΠΈΠΈ НЯ отсутствовали Ρƒ 35,8% Π±ΠΎΠ»ΡŒΠ½Ρ‹Ρ… с Π˜Π’Π Π— ΠΈ Ρƒ 21% Π»ΠΈΡ† ΠΊΠΎΠ½Ρ‚Ρ€ΠΎΠ»ΡŒΠ½ΠΎΠΉ Π³Ρ€ΡƒΠΏΠΏΡ‹ (p=0,006). ΠžΠ±ΠΎΡΡ‚Ρ€Π΅Π½ΠΈΠΉ Π˜Π’Π Π— ΠΈ Π½ΠΎΠ²Ρ‹Ρ… Π°ΡƒΡ‚ΠΎΠΈΠΌΠΌΡƒΠ½Π½Ρ‹Ρ… Ρ„Π΅Π½ΠΎΠΌΠ΅Π½ΠΎΠ² Π½Π΅ зарСгистрировано Π½ΠΈ Π² ΠΎΠ΄Π½ΠΎΠΌ случаС.Π—Π°ΠΊΠ»ΡŽΡ‡Π΅Π½ΠΈΠ΅. Богласно ΠΏΡ€Π΅Π΄Π²Π°Ρ€ΠΈΡ‚Π΅Π»ΡŒΠ½Ρ‹ΠΌ Π΄Π°Π½Π½Ρ‹ΠΌ, вакцинация ΠΏΡ€ΠΎΡ‚ΠΈΠ² COVID-19 Ρƒ Π±ΠΎΠ»ΡŒΠ½Ρ‹Ρ… с Π˜Π’Π Π— прСдставляСтся достаточно бСзопасной. НСобходимы дальнСйшиС исслСдования с Ρ†Π΅Π»ΡŒΡŽ изучСния бСзопасности, иммуногСнности ΠΈ клиничСской эффСктивности ΠΈΠΌΠΌΡƒΠ½ΠΈΠ·Π°Ρ†ΠΈΠΈ ΠΏΡ€ΠΎΡ‚ΠΈΠ² COVID-19 Ρƒ рСвматологичСских ΠΏΠ°Ρ†ΠΈΠ΅Π½Ρ‚ΠΎΠ²
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