2304-9782, 2618-8686, 2405-7223 4 88 2009 1-180

RAR RUS 7-14 Ganin Pavel ganin-pavel@rambler.ru The mechanism of fine-dispersed droplets fraction formation in the apparatus with mechanical stirring The mechanism of formation of droplets smaller in diameter than the largest droplets stable in the apparatus with mechanical stirring is considered. The obtained estimation is well coordinated with the known experimental data. 532.517.4 turbulent core of liquid flow apparatus with mechanical stirring droplet breakup fine-dispersed fraction mechanism of formation https://physmath.spbstu.ru/article/2009.5.1/

RAR RUS 14-19 Rykshin Alexei alexey-r@yandex.ru Zatsepin Pavel zpm@phys.asu.ru Simulation of electromagnetic pulse scattering by dielectric layer The pulse source electromagnetic field scattering problem by a dielectric layer is considered. Integral expressions for electric and magnetic components of a field in all media of a problem are obtained. Numerical results for a case of vertical polarization of incident field for various values of media permittivities are, presented. 535.4 scattering pulse simulation permittivity https://physmath.spbstu.ru/article/2009.5.2/

RAR RUS 19-24 Admiral Makarov State University of Maritime and Inland Shipping Sukhoterin Mikhail mvs1948@list.ru The bending of a clamped ribbed plate The paper proposes an iteration method of correction function superposition for the solution of the problem of the bending of a rectangular orthotropic ribbed plate, clamped over the entire boundary. Initial polynomial and correction function in the form of hyperbolic-trigonometric series bring exact solution. The numerical results of calculating deflections and bending moments are also given. 539.384: 629.12.011.001.24 rectangular orthotropic ribbed plate bending iteration method fourier series exact solution numerical results of calculating https://physmath.spbstu.ru/article/2009.5.3/

RAR RUS 24-30 Zhgutov Vladimir abc.kitezh@gmail.com The mathematical model, the research algorythm and the steadiness analysis of the nonlinear elasstic ribbed shells due to the significant displacements The mathematical model of deformation, the research and analysis steadiness angorythm of ribbed shells taking into account both geometrical and physical nonlinearities based on the variational statement of the problem and it solving by Ritst method. As a result the task was reduced to the set of nonlinear algebraical equations. Some examples of proposed equations solutions are obtained; the comparative analysis was given for the reinforced concrete and metal shells. It is shown that peculiarities of nonlinear structure behavior have a great impact on the decrease of the critical load found by solving physical linear problem. 539.3 ribbed shells geometric and physical nonlinearities steadiness the lowering of carrying capacity https://physmath.spbstu.ru/article/2009.5.4/

RAR RUS 31-43 Peter the Great St. Petersburg Polytechnic University Korneev Vadim

Russia, 195251, St.Petersburg, Polytechnicheskaya, 29

Error control of numerical solutions of boundary value problems of continuous media mechanics Two techniques for calculation of a posteriory error bounds of numerical solutions of boundary value problems of solid mechanics are suggested. The former termed the direct error norm evaluation technique, does not require solving any system of algebraic equations and the latter assumes solution of dual problems. We show that both provide guaranteed reliable error bounds and are fast in respect of computational cost. Numerical experiments support effectiveness. 519.6 a posteriory estimates error in approximate solutions finite element method https://physmath.spbstu.ru/article/2009.5.5/

RAR RUS 43-50 Arseniev Dmitry Ivanov Vladimir Berkovskiy Nikolay berkovsk@mail.ru Аnalysis of the adaptive important sampling method effectiveness The adaptive important sampling method is considered. That is a modification of sequential Monte-Carlo method for calculation of multidimensional integrals. The comparison with known numerical methods is made. The sort of functions which are most suitable for use is found. 519.6 multidimensional integral adaptive method Monte-Carlo method importance sampling https://physmath.spbstu.ru/article/2009.5.6/

RAR RUS 50-56 Voronezh State University Sadchikov Pavel

Russia, 394063, Voronezh, University square, 1

Voronezh State University Bayev Alexander

Russia, 394063, Voronezh, University square, 1

A correctness of some boundary problems simulating processes which include degeneration Aprioristic estimations and theorems of solution existence of boundary problems for some classes of degenerating equations simulating various processes which include degeneration are established. 517.958 mathematical model with degeneration the pseudodifferential operator the boundary problem the degenerating elliptic equation an aprioristic estimation https://physmath.spbstu.ru/article/2009.5.7/

RAR RUS 57-62 0000-0003-0309-5917 Peter the Great St. Petersburg Polytechnic University Berdnikov Yaroslav berdnikov@spbstu.ru 0000-0003-3298-3702 Peter the Great St. Petersburg Polytechnic University Ivanishchev Dmitry ivanishchev_da@pnpi.nrcki.ru 0000-0002-3395-0454 Peter the Great St. Petersburg Polytechnic University Kotov Dmitry dmitriy.kotov@gmail.com Ryabov Victor Ryabov Yuri Samsonov Vladimir Phi-meson production in copper nuclei collisions at 200 GeV Phi-meson spectra and nuclear modification factors measured in Cu+Cu collisions at = 200 GeV have been presented. Comparisons with nuclear modification factors measured for φ-meson in Cu+Cu and Au+Au collisions at 200 GeV were carried out. 539.125.17; 539.126.17 quark-gluon plasma mesons production of particles collision copper nuclet https://physmath.spbstu.ru/article/2009.5.8/

RAR RUS 63-66 Peter the Great St. Petersburg Polytechnic University Nguyen Suan

Russia, 195251, St.Petersburg, Polytechnicheskaya, 29

Peter the Great St. Petersburg Polytechnic University Borodzyulya Valery

Russia, 195251, St.Petersburg, Polytechnicheskaya, 29

Peter the Great St. Petersburg Polytechnic University Sudar Nikolai sudar53@mail.ru Dielectric characteristics of water and electrolytic water solutions in the frequency rang of 0.001 – 100 HZ The data on dielectric losses and capacity of measuring cell filled with deionized water and physiological solution in the frequency range of 0.001 - 100 Hz have been presented. The dielectric losses in the physiological solution within this frequency range are shown to be connected with movement of ions, and those in the deionized water - to be connected with the polarized losses, appearing during reorientation of molecules being in the external electromagnetic field. 532.74 liquid electrolyte water aqueous solution dielectric losses https://physmath.spbstu.ru/article/2009.5.9/

RAR RUS 66-72 Komarova Olga olik-komarik@rambler.ru Martynova Olga olya218@yandex.ru Peter the Great St. Petersburg Polytechnic University Gasumyants Vitaly vgas@rphf.spbstu.ru Influence of calcium doping on the conduction band structure and dynamics of the Fermi level in Y0,75-xCaxPr0,25Ba2Cu3Oy system Two techniques for calculation of a posteriory error bounds of numerical solutions of boundary value problems of solid mechanics are suggested. The former termed the direct error norm evaluation technique, does not require solving any system of algebraic equations and the latter assumes solution of dual problems. We show that both provide guaranteed reliable error bounds and are fast in respect of computational cost. Numerical experiments support effectiveness. 538.945 high-temperature superconductors critical temperature electron transport phenomena band-spectrum doping https://physmath.spbstu.ru/article/2009.5.10/

RAR RUS 73-76 Kunikin Stanislav stasikkkiii@rambler.ru Some peculiarities of relaxation processes of magnetization and magnetic birefringence in ferrofluids with mineral oil carrier Frequency dependence of the complex magnetic susceptibility and magnetic birefringence of magnetic disperse nanosystem based on vacuum oil is investigated. Correlation of processes of relaxation of magnetic moment and magnetic birefringence is shown. 537.621.4, 535.557 magnetic susceptibility magnetic birefringence magnetic fluid nanoparticles https://physmath.spbstu.ru/article/2009.5.11/

RAR RUS 76-82 North Caucasus Federal University Tkachyova Elena

Russia, 355009, Stavropol, Pushkina street, 1

North Caucasus Federal University Zakinyan Artur

Russia, 355009, Stavropol, Pushkina street, 1

Shape dynamics of magnetic and nonmagnetic drops of magnetodielectrical emulsions in magnetic and electric fields In the present paper the dynamics of the shape of magnetic fluid drops and nonmagnetic drops suspended in magnetizable liquid medium under the action of d-c magnetic field and a-c electric field is experimentally investigated. 541.182:537.84 magnetic fluid drop shape electrohydrodynamic flow magnetic field https://physmath.spbstu.ru/article/2009.5.12/

RAR RUS 83-85 Livashvili Albert livbru@mail.ru Kuzin Andrei kuzin@festu.khv.ru The thermal diffusion mechanism of the nonlinear absorption of the disperse fluid medium The phenomenon of a stationary thermodiffusion in fluid medium with nanoparticles is theoretically studied. The medium is under the influence of laser radiation. The absorption constant of medium depends on concentration of nanoparticles. On the basis of solutions of the linearized balancing equations expressions for temperature of medium and concentration of particles are gained. 535.211 fluid medium nanoparticles thermodiffusion non-linear absorption https://physmath.spbstu.ru/article/2009.5.13/

RAR RUS 85-99 0000-0003-1457-8236 Peter the Great St. Petersburg Polytechnic University Ipatov Andrey andrei_ipatov@mail.ru

Russia, 195251, St.Petersburg, Polytechnicheskaya, 29

Optical properties of metallic clusters embedded in the noble gas crystal matrix A theoretical study of physical properties of microscopic metallic clusters embedded in the noble gas matrix is presented. Mechanisms leading to the resonance line shift in embedded clusters are studied. The photoabsorption spectra of embedded sodium clusters of different size are calculated. 539.186.3 cluster photoabsorption plasmon embedded crystal matrix line shift polarization interaction https://physmath.spbstu.ru/article/2009.5.14/

RAR RUS 99-106 0000-0002-2793-5717 Peter the Great St. Petersburg Polytechnic University Filimonov Alexey filimonov@rphf.spbstu.ru

St. Petersburg, Russian Federation

0000-0003-0474-3242 Peter the Great St. Petersburg Polytechnic University Burkovski Roman roman.burkovsky@gmail.com 56962712400 Peter the Great St. Petersburg Polytechnic University Rudskoy Andrey rector@spbstu.ru

Russia, 195251, St.Petersburg, Polytechnicheskaya, 29

An opportunity of polar nanodomain formation in magnesium niobate thin films A new technique of condensed matter research has been worked out. Nonelastic scattering of synchrotron radiation has been demonstrated to be usable in dynamic processes investigation of crystalline samples less than 100 nm thick. The procedure how to determine polar nanodomain parameters was proposed relying on experiments on diffraction of coherent (synchrotron) X-rays. 538.975: 620.22 – 022.53 synchrotron radiations ferroelectrics relaxer nanodomain https://physmath.spbstu.ru/article/2009.5.15/

RAR RUS 107-113 Komarevtcev Ivan vanec@aport.ru Peter the Great St. Petersburg Polytechnic University Lurye Mikhail

Russia, 195251, St.Petersburg, Polytechnicheskaya, 29

Ioffe Physical Technical Institute of the Russian Academy of Sciences Pulnev Sergey

Russia, 194021, St.Petersburg, Polytechnicheskaya 26

Russian State Scientific Center for Robotics and Technical Cybernetics Lock Alexey

Russia, 194064, St.Petersburg, Tikhoretsky pr., 21

Institute of Silicate Chemistry of Russian Academy of Sciences Ugolkov Valery

Russia, 19934, St.Petersburg, nab. Makarova, 2

The shape memory effect in copper-aluminium-nickel films The tehnological problem to product CuAlNi thin filmsusing magnetron scattering has been considered. The findings of an investigation info exhibition of shape memory effect in grown films are presented. 537.226; 537.311.32; 538.956 shape memory effect phase transformation temperatures magnetron sputtering thin films DSC analysis https://physmath.spbstu.ru/article/2009.5.16/

RAR RUS 113-118 Saint Petersburg Electrotechnical University LETI Gerashenko Anastasia

Russia, 197376, St.Petersburg, Professor Popov street, 5

Komarov Botanical Institute Kirtsideli Irina

Russia, 197376, St.Petersburg, Professor Popov street, 2

Parfenov Vladimir The removal of microfungi from monuments surfaces by laser treatment Experimental study of condition of Nd:YAG laser removal of microfungi from marble and paper surfaces was carried out. It has been shown high efficiency of such, a treatment. This method can be used for conservation of objects of historical and cultural heritage. 681.7.069.24:620.193.82:069.44 laser cleaning Nd:YAG laser microfungi https://physmath.spbstu.ru/article/2009.5.17/

RAR RUS 118-124 Institute of Cytology of the Russian Academy of Sciences Starkova Tatyana

Russia, 194064, St.Petersburg, Tikhoretsky street, 4

Saint-Petersburg State University Polyanichko Alexander

7/9, Universitetskaya Nab., St.Petersburg, 199034

The changes in the secondary structure of nonhistone HMGB1 protein during the interaction with DNA Using circular dichroism spectroscopy and DNA melting analysis we have studied the interaction of non-histone chromosomal protein HMGB1 with high-molecular weight DNA. We have shown, that the degree of the alpha-helicity of the bound HMGB1 is approximately 30 % higher than the alpha-helicity of free HMGB1. 577.322.7+ 577.323.7+ 535.56+ 543.422.8 HMGB1 DNA-protein interactions chromatin structure https://physmath.spbstu.ru/article/2009.5.18/

RAR RUS 125-133 0000-0003-4292-0959 Peter the Great St. Petersburg Polytechnic University Golovitski Alexander alexandergolovitski@yahoo.com А spectroscopic method for an estimations of plasma parameters of glow discharge positive column in the mixtures of inert gases and chlorine A spectroscopic method is based on the measurement of populations of nonmetastable levels of atoms and molecules in a gas discharge and on the solution of population balance equations relative to concentration and temperature of electrons using available data on cross-sections of different processes. An example of formation of balance equation is given. 533.9 spectroscopy glow discharge plasma diagnostics chlorine electronegative gas mixtures https://physmath.spbstu.ru/article/2009.5.19/

RAR RUS 133-140 0000-0002-6402-8112 Peter the Great St. Petersburg Polytechnic University Louksha Oleg louksha@rphf.spbstu.ru Samsonov Dmitry dima_samsonov@bk.ru Sominski Gennadiy sominski@rphf.spbstu.ru Peter the Great St. Petersburg Polytechnic University Tsapov Andrey

Russia, 195251, St.Petersburg, Polytechnicheskaya, 29

An application of ion treatment to enhancement of quality of gyrotron cathodes A method for modification of emission characteristics of gyrotron-type impregnated dispenser thermocathodes by flow of accelerated potassium ions bombarding emitter surface is investigated experimentally. On the basis of the obtained data, possibility to apply ion treatment for increase of cathode emission uniformity directly in the conditions of an operating gyrotron is substantiated. 537.58, 539.534.9 gyrotron dispenser cathode ion bombardment https://physmath.spbstu.ru/article/2009.5.20/

RAR RUS 141-143 North Caucasus Federal University Shapovalova Anna

Russia, 355009, Stavropol, Pushkina street, 1

Nevinnomyssk state humanistic technical institute Gadzhialiyeva Irina

Russia, 357108, Stavropol Krai, Nevinnomyssk, bulvar Mira, 17

A temperature dependence of a constant of a singlet-triplet transition rate of naphthalene molecules in glassy toluene The probability temperature dependence (77-120 K) of a naphthalene molecules transition to the triplet state has been found. The transition occurs as a result of energy transmission by benzophenone molecules. This dependence is shown to be conditioned by temperature influence on migration efficiency of electronic excitation energy over the levels of benzophenone (the energy donor). 535.37 migration of excitation triplet state phosphorescence donor acceptor https://physmath.spbstu.ru/article/2009.5.21/

RAR RUS 143-150 Stepanova Tamara t_stepanova2005@mail.ru Artamonova Alena E-4237-2014 12784708700 0000-0001-9050-4453 Peter the Great St. Petersburg Polytechnic University Kapralova Victoria kapralova2006@yandex.ru

Russia, 195251, St.Petersburg, Polytechnicheskaya, 29

A dipole moment and association of methylcellulose in polar solvents with hydrogen bonds Static dielectric polarization of methylcellulose in dilute dimethylacetamide and aqueous solutions has been investigated. Analysis of the influence of the temperature, nature of solvent and hydrogen bonds on dipole moments of methylcellulose has been carried out concerning the molecular structure and association. 539.193/194; 544.163.2 dielectric permittivity dipole moment solution association hydrogen bond methylcellulose dimethylacetamide water https://physmath.spbstu.ru/article/2009.5.22/

RAR RUS 151-158 Perm State University Mashkin Sergey

Russia, 614990, Perm, Bukireva Street, 15

Martsenyuk Mikhail The mechanical deformation measurement technique using magnetic computer vision system The mechanical deformation measurement technique for nonmagnetic materials has been proposed. To this end small magnetic dipole particles are embedded into the material and their magnetic fields are measured in some restricted number of points. Solving inverse problem enables to determine position and orientation of magnetic dipoles. 53.082.78 magnetic computer vision inverse problem magnetic field magnetic dipole measuring system deformation simulation https://physmath.spbstu.ru/article/2009.5.23/

RAR RUS 158-167 Soloviev Andrei asus_work@mail.ru Jordan Vladimir jordan@phys.asu.ru A measurement of a wave front speed of fast processes by a multichannel pyroelectric detector The problems connected with application of optical methods anemometry of two-phase flows are considered. The block diagram of the computerized multichannel system of registration of thermal radiation of two-phase flows on pyroelectric detectors is resulted. The principle of operation of system and its functional blocks is described. The integrated optical method of measurement of speed of mass transfer in stationary pulse flows is offered and perspectivity of this method on research of operating modes of technological installations of spraying of coatings is shown. 681.78.01 (075.8) fast process synthesis spraying of coatings pyroelectric detector multichannel system modulated signal measurement speed two-phase flow intensity density particle density integral method https://physmath.spbstu.ru/article/2009.5.24/