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  • Quadric hologram-based self-conjugation of vortex beams 
    Polyanskii, P.V.; Felde, Ch.V. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2005)
    Self-conjugation of singular (vortex) beams by a static nonlinearly recorded hologram is reported. Diagnostics of phase-conjugated vortices is implemented using an original technique based on Young’s model of diffraction ...
  • Quadrupole lenses with permanent magnets 
    Bovda, V.A.; Bovda, A.M.; Guk, I.S.; Lyashchenko, V.N.; Mytsykov, A.O.; Onischenko, L.V. (Problems of Atomic Science and Technology, 2022)
    The paper presents an overview of up-to-date design and conception of permanent magnet quadrupole lense. The overview covers two classes of magnetic systems that used in the beam transport facilities of accelerators as ...
  • Quadrupole lens with the controlled sextupole component 
    Mytsykov, A.O.; Rezaev, A.V.; Muratov, V.I. (Вопросы атомной науки и техники, 2001)
    In the paper the quadrupole lens with a controlled sextupole component is considered. The results of magnetic field modeling for various modes of operations of a lens are shown. The required field is realized with the help ...
  • Qualitative analysis of electron states in nanoobjects 
    Lukiyanets, B.A. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2007)
    Tendencies of change of the electron energy states at transition from a “rigid” nanoobject to a nanoobject, in which taken into account is the influence of medium on it, are considered. Proposed is the model describing the ...
  • Qualitative Analysis of the Classical and Quantum Manakov Top 
    Sinitsyn, E.; Zhilinskii, B. (Symmetry, Integrability and Geometry: Methods and Applications, 2007)
    Qualitative features of the Manakov top are discussed for the classical and quantum versions of the problem. Energy-momentum diagram for this integrable classical problem and quantum joint spectrum of two commuting observables ...
  • Qualitative Comparison of Modern Information Technologies Used for System-Information-Analytical Research 
    Osypenko, V. (Індуктивне моделювання складних систем, 2013)
    This paper presents a qualitative comparison of modern methods and information technologies that are used or can potentially be used in innovative system-information-analytical research (SIAR). The sub-criteria system for ...
  • Qualitative Modeling of Trees Cultivated with Processed Wastewater 
    Vissikirsky, V. (Індуктивне моделювання складних систем, 2017)
    Cultivation of forest trees with processed wastewater is an effective method to reduce the release of harmful substances. For this purpose, the detailed experiments shall be carried out to investigate the ability of trees ...
  • Qualitative risk assessment in port activity 
    Zhikhareva, V. (Економічні інновації, 2012)
    У статті розроблені методологічні основи якісної оцінки ризиків з урахуванням специфіки роботи підприємств портової діяльності. Ідентифіковано види ризиків, пов'язаних з роботою підприємств портової діяльності (стивідорних ...
  • Quality estimation the of maximum-likelihood algorithm to the task of space distribution of elements by PIXE 
    Kovalchuk, I.K.; Levenets, V.V.; Shchur, A.O. (Вопросы атомной науки и техники, 2008)
    The numerical research is carried out for different approximations of likelihood-function and Fisher's matrix with reference to maximum-likelihood algorithm at determination of impurity profile of certain chemical element ...
  • Quality of service at the computer networks based on internet 
    Listopad, N.I.; Kopachev, A.G.; Matruk, A.A. (Системні дослідження та інформаційні технології, 2006)
    А framework for the emerging computer networks quality of Internet service is presented. Two important components of the framework are considered: integrated service and differentiated service. They are described and ...
  • Quality testing at assessment of professional competencies in web learning management system 
    Nikitenko, Ye.V.; Trunova, O.V. (Математичні машини і системи, 2016)
    The article offers ways to improve the quality of testing in the assessment of professional competence in Learning Management System, including the reviewed system architecture and algorithm of its work. The proposed module ...
  • Qualtiy level of primary shools in Turkey 
    Aydogan, I. (Культура народов Причерноморья, 2003)
  • Quantification of key developmental risks in Africa 
    Bakhtina, V.; Zgurovsky, M. (2008)
    Current research identifies six key developmental risks for Africa: (a) vulnerability of infrastructure, (b) health, (c) education, (d) political and security risk, (e) vulnerability to natural disasters and (f) limitation ...
  • Quantification of the Influence of Residual Stresses on Fatigue Strength of Al-Alloy Welded Joints by Means of the Local Strain Energy Density Approach 
    Ferro, P.; Berto, F. (Проблемы прочности, 2016)
    Проанализировано влияние остаточных напряжений на усталостную прочность стыковых сварных соединений из алюминиевого сплава в рамках подхода локальной плотности энергии деформации. Установлена тесная корреляция между ...
  • Quantitative analysis of SLC34A2 expression in different types of ovarian tumors 
    Shyian, M.; Gryshkova, V.; Kostianets, O.; Gorshkov, V.; Goloev, Yu.; Goncharuk, I.; Nespryadko, S.; Vorobjova, L.; Filonenko, V.; Kiyamova, R. (Experimental Oncology, 2011)
    Aim: The main purpose of this study was to estimate the SLC34A2 gene expression in normal ovary and different types of ovarian tumors. Methods: We have investigated SLC34A2 gene expression level in papillary serous, ...
  • Quantitative analysis of the V838 Monocerotis spectrum 
    Kaminsky, B.; Pavlenko, Ya.V. (Кинематика и физика небесных тел, 2005)
    We present the determination of the effective temperature, iron abundance, and microturbulent velocities for the pseudophotosphere of V838 Mon observed on February 25, March 2 and 26, 2002. Physical parameters of the line ...
  • Quantitative assay of chromium (III) in yeast cultures using chromazurol S and surfactants for monitoring chromate remediation processes 
    Honchar, T.M.; Ksheminska, H.P.; Patsay, І.О.; Huta, О.М.; Gonchar, М.V. (Біотехнологія, 2008)
    Because microorganisms are regarded as a potential means for bioremediation of chromium compounds and the yeasts are considered to be the source of chromium pharmaceutical biocomplexes, the development of the methods for ...
  • Quantitative convergence theorems for a class of Bernstein–Durrmeyer operators preserving linear functions 
    Gonska, H.; Peltenia, R. (Український математичний журнал, 2010)
    We supplement recent results on a class of Bernstein–Durrmeyer operators preserving linear functions. This is done by discussing two limiting cases and proving quantitative Voronovskaya-type assertions involving the ...
  • Quantitative detection of cytokeratin 20 mRNA in urine samples as diagnostic tools for bladder cancer by real-time PCR 
    Guo, B.; Luo, C.; Xun, C.; Xie, J.; Wu, X.; Pu, J. (Experimental Oncology, 2009)
    Aim: To determine and compare cytokeratin 20 (CK20) mRNA expression in urine of patients with transitional cell carcinomas of bladder (TCCB), urological benign diseases, and healthy volunteers. Methods: Taqman probe was ...
  • Quantitative evaluation of microimpurity content in lead tungstate initial raw material and scintillation single crystals 
    Gudzenko, L.V.; Pantaler, R.P.; Shtitelman, Z.V.; Nazarenko, B.P.; Kosmyna, M.B.; Blank, A.B. (Functional Materials, 2005)
    The results of impurity composition determination in lead tungstate raw material and in the scintillation single crystals at various stages of the technological process are presented. Iron content in the samples ...