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A case study of linguistic parallelism in Sakha epos
( Ivan Vinokurov ),( Nadezhda Vinokurova ) 한국알타이학회 2018 알타이학보 Vol.0 No.28
The article discusses the linguistic phenomenon of syntactic parallelism, which has prevalent occurrence in the epic poetry of the Sakha (Yakut) people. Although numerous studies on the language and poetics of Olonkho are available, this particular topic still remains largely understudied from a purely linguistic point of view. The article presents an attempt to fill in this lacuna. In order to achieve this goal, it presents a detailed case study of the occurrence and usage of syntactic parallelism in Innokentij Timofeev-Teploukhov’s Olonkho Kuruubaj Xaannaax Kulun Kullustuur “Badtempered Coltishly Frolicsome Hero” which is the first Olonkho recorded in a versified form. A detailed study of this Olonkho allows us to reveal and identify the main features of this striking phenomenon and organize them in a systematic way. In addition, some tentative reasons behind the emergence of this phenomenon in relation to oral epic tradition are offered.
Solidification of high level waste using magnesium potassium phosphate compound
Sergey E. Vinokurov,Svetlana A. Kulikova,Boris F. Myasoedov 한국원자력학회 2019 Nuclear Engineering and Technology Vol.51 No.3
Compound samples based on the mineral-like magnesium potassium phosphate matrix MgKPO4 6H2Owere synthesized by solidification of high level waste surrogate. Phase composition and structure ofsynthesized samples were studied by XRD and SEM methods. Compressive strength of the compounds is12 ± 3 MPa. Coefficient of thermal expansion of the samples in the range 250e550 C is(11.6 ± 0.3) 10 6 1/ C, and coefficient of thermal conductivity in the range 20e500 С is 0.5 W/(m K). Differential leaching rate of elements from the compound, g/(cm2 day): Mg - 6.7 10 6, K - 3.0 10 4,P - 1.2 10 4, 137Cs - 4.6 10- 7; 90Sr - 9.6 10 7; 239Pu - 3.7 10 9, 241Am - 9.6 10 10. Leachingmechanism of radionuclides from the samples at the first 1e2 weeks of the leaching test is determinedby dissolution (137Cs), wash off (90Sr) or diffusion (239Pu and 241Am) from the compound surface, andwhen the tests continue to 90e91 days - by surface layer depletion of compound. Since the compositionand physico-chemical properties of the compound after irradiation with an electron beam (absorbeddose of 1 MGy) are constant the radiation resistance of compound was established
Simulation on a Photocathode-based Microtron Using a 3D PIC Code
박선정,정영욱,박성희,장규하,Nikolay A. Vinokurov,김은산 한국물리학회 2015 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.66 No.3
The Korea Atomic Energy Research Institute (KAERI) has used a microtron accelerator basedon a thermionic cathode for operating a compact terahertz (THz) FEL, where the electrons areemitted and accelerated automatically during the radio-frequency (RF) macro-pulse over thresholdpower for their emission. Usually a thermionic cathode is embedded inside the microtron cavity forelectron-beam emission, and at the same time acceleration is due to the input RF source. In thiscase, the accelerator scheme is simple, but just a fraction of the emitted electrons are accelerated,and the electron bunch length is uncontrollable due to the RF phase condition for acceleration. In this paper, a photocathode-based microtron which is able to produce high peak (∼100 A) andultrashort (∼1 ps) electron bunch is studied to adapt it for an electron injector of a THz generator. Especially, we analyzed the electron beam dynamics along the accelerating trajectory with a 3DPIC-code to find the optimized RF phase and laser input time.
B.A. Knyazev,G.N. Kulipanov,N.A. Vinokurov 한국물리학회 2007 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.51 No.I
High-power free-electron lasers open new opportunities for imaging in the terahertz spectral range. On one hand, because of the high intensity of radiation, materials and optical elements are to be examined for their applicability in the new conditions. On the other hand, the high intensity of radiation enables development of new imaging techniques, impossible with low-power sources. In this paper, we give a short description of the Novosibirsk free-electron laser, generating tunable monochromatic radiation with a power of 400 W spanning the spectral range of 120 $\sim$ 240 $\mu$m, and briefly observe the first results obtained at four user stations. The results of examinations of the beamsplitters, the windows, the polarizers and other optical components by using intense terahertz radiation are presented. Three new imaging techniques based on the thermal effect of terahertz radiation are described. The focusing characteristics of reflective Fresnel zone plates fabricated for the terahertz spectral range are presented. The shadowgraphy of amino acids buried in pressed Teflon tablets is described as an example of imaging techniques. The prospects for terahertz quasi-optical systems, holography and tomography with high-power lasers are considered.
김하나,김경남,한병현,신재성,이기태,차용호,장규하,전민용,Sergei V. Miginsky,정영욱,Nikolay A. Vinokurov,박성희 한국광학회 2014 Current Optics and Photonics Vol.18 No.4
An all-reflective, simple noncollinear second harmonic (SH) autocorrelator is described for monitoring the shot-to-shot behavior of ultrashort high-power laser pulses. Two mirrors are used for the dispersion-free splitting of a pulse into two halves. One of the mirrors is able to adjust the delay time and angle between two halves of the laser pulse in a nonlinear crystal. We present the possibility of real-time measurement of the pulse duration, peak intensity (or energy), and the pointing jitters of a laser pulse, by analyzing the spatial profile of the SH autocorrelation signal measured by a CCD camera. The measurement of the shot-to-shot variation of those parameters will be important for the detailed characterization of laser accelerated electrons or protons.