Статті: Recent submissions

  • Modelling of development of ecological tourism 
    Mashika, H.; Машіка, Ганна Василівна; Davydenko, I.; Давиденко, І.; Olshanska, O.; Ольшанська, О.; Sydorov, Y.; Сидоров, Я.; Komarnitskyi, I.; Комарницький, І.; Lypnytska, Y.; Липницька, Є. (IJSTR, 2020)
    Currently, special attention in the economy of developed countries is paid to the development of ecological tourism services. This is one of the forms of outdoor activities, where a person not only restores his health but ...
  • Властивості обернених похідних 
    Пагіря, Михайло Михайлович; Кацала, Р. А. (Київ, 2010)
    New properties of reciprocal derivatives are established.
  • Еквівалентність двох методів побудови правильних ланцюгових С-дробів 
    Пагіря, Михайло Михайлович; Кацала, Р. А. (Київ, 2009)
    A regular continued C-fraction is associated with a power series. The coefficients of this fraction are determined either via Hankel determinants or via inverse derivatives. We prove the equivalence of these two approaches ...
  • Зображення функцій sh z, ch z, sin z, cos z ланцюговими дробами 
    Пагіря, Михайло Михайлович (Київ, 2018)
    We obtain the representations of the functions sh z, ch z, sin z, cos z by quasireciprocal functional continued fractions of the Thiele type
  • Application of a continuant to the estimation of a remainder term of Thiele’s interpolation continued fraction 
    Pahirya, M. M.; Пагіря, Михайло Михайлович (Springer Science+Business Media, LLC, 2020)
    New properties of a continuant has been proved. Using the relationship between the continuant and the continued fraction, an estimate of the remainder term of Thiele’s interpolation continued fraction is obtained.
  • River travel as a direction for the development of tourism in Ukraine 
    Nezdoyminov, S. G.; Нездоймінов, С. Г.; Milashovska, O. I.; Мілашовська, Ольга Іванівна (Дніпро, 2019)
    This article explores the present state of the functioning of the market of water travel, which influences the development of the sphere of recreation and tourism in Ukraine. The internal connections between problems of ...
  • Photoelectric properties of ordered-vacancy Ga2Se3 single crystals 
    Bletskan, D. I.; Блеткан, Д. І.; Kabatsii, V. N.; Кабацій, Василь Миколайович; Kranjcec, M.; Кранчець, М. (Pleiades Publishing, 2010)
    We have studied the photoconductivity spectrum, thermally stimulated current, current–light characteristics, and temperaturedependent photocurrent in Bridgmangrown orderedvacancy Ga2Se3 crystals. The observed temperature ...
  • Edge absorption spectra of crystalline and glassy PbGeS3 
    Bletskan, D. I.; Блеткан, Д. І.; Kabacij, V. N.; Кабацій, Василь Миколайович; Studenyak, I. P.; Студеняк, І. П.; Frolova, V. V.; Фролова, В. В. (Hudson, 2007)
    Edge absorption spectra of crystalline and glassy lead thiogermanate (PbGeS3) have been measured in the temperature range from 77 to 470 K. It is shown that the dependence of the absorption coefficient on the photon energy ...
  • Формування методико-інформатичної компетентності вчителя початкових класів 
    Саган, Олена Валеріївна; Гаран, Марина Сергіївна; Ліба, Оксана Миколаївна (Київ, 2018)
    Ретроспективний аналіз викладання інформатики доводить, що стрімкий розвиток інформаційно-комунікаційних технологій змінює соціальний попит суспільства на рівень інформатичної компетентності його членів. Розширення спектру ...
  • Peace education as arts education: in search of new strategies 
    Khyzhna, O.; Хижна, О.; Lendiel-Siarkevych, A.; Ленд'єл-Сяркевич, Антоніна Антонівна (Київ, 2018)
    The problem of peace education is in the sharp demand in the modern world. The art in general, and music in particular, have significant impact on a person and the content of his usual activities. Music, as a logical and ...
  • Получение и структура слоистых кристаллов Si2Te3 
    Блецкан, Д. И.; Кабаций, В. Н.; Кабацій, Василь Миколайович; Сакал, Т. А. (2003)
    Приведены условия синтеза вещества и выращивания слоистых монокристаллов Si2Te3 методами статической сублимации. Стабильная низкотемпературная a-фаза Si2Te3 кристаллизуется в триго-нальной решетке (пр.гр. P3 lc) с параметрами ...
  • Influence of cation vacancies and Bi impurity on the electronic structure and photoelectric properties of orthorhombic GeS 
    Bletskan, D. I.; Glukhov, K. E.; Kabatsii, V. M.; Кабацій, Василь Миколайович (2019)
    Quantum-chemical studies of GeS electronic structure containing intrinsic point defects (vacancies in the cation (VGe) and anion (VS) sublattices), isolated substitutional impurities BiGe and {VGe–BiGe}-type complexes were ...
  • Raman and Photoluminescence Spectra of Crystalline and Glassy GeS2xSe2 – 2x Solid Solutions 
    Bletskan, D. I.; Hryha, E. M.; Kabatsii, V. N.; Кабацій, Василь Миколайович (Nauka Interperiodica, 2007)
    We have studied the effects of compositional and structural disorder on the Raman and photoluminescence (PL) spectra of crystalline and glassy GeS2xSe2 – 2x solid solutions. The influence of structural disorder (variations ...
  • Crystal Structure and Specific Features of Formation of Vibrational Spectra of Pb2GeS4 
    Bletskan, D. I.; Voroshilov, Yu. V.; Durdinets, L. M.; Migalko, P. P.; Stefanovich, V. A.; Kabatsiœ, V. N.; Кабацій, Василь Миколайович (2003)
    The structure of Pb2GeS4 single crystals is confirmed and the polarized Raman spectra of these crystals are recorded. The vibrational spectra was considered in terms of analysis of intramolecular vibrations of [GeS4] ...
  • Problem of interpolation of functions by two-dimensional continued fractions 
    Pahirya, M. M.; Пагіря, Михайло Михайлович; Svyda, T. S. (2006)
    The problem of interpolation of functions of two real variables by two-dimensional continued fractions was studied by Kuchmins’ka [1] and Cuyt [2]. Later, this problem was investigated in [3–6], where, in particular, a ...
  • Didactic model of formation of professional competence of future teachers of preschool children by means of computer technology 
    Chekan, O.; Чекан, Оксана Іванівна (Didactica slovenica, 2017)
    The article presents a didactic model of the formation of professional competence of future teachers of preschool children by means of computer technology. The model embraces three stages: cognitive and enriching stage, ...
  • The issue of new highly heart- resistant adhesive compositions 
    Kozar, O. P.; Козарь, Оксана Петрівна; Oliynikova, V. V.; Олійникова, В. В.; Konoval, V. P.; Коновал, В. П.; Myhalyna, YU. V.; Мигалина, Юрій Вікентійович (Bucharest, Romania, 2012)
    The important question is the improvement of thermal performance of polyurethane adhesives used by domestic industries through research of existing and development of new adhesive compositions. The purpose of this study ...
  • Conceptual approaches to the formation of regional food security strategy in the context of sustainable development 
    Stehnei, M.; Стегней, Маріанна Іванівна; Irtyshcheva, I.; Іртищева, І.; Boiko, Ye.; Бойко, Є.; Rogatina, L.; Рогатіна, Л.; Khaustova, K.; Хаустова, Ксенія Михайлівна (Суми, 2018)
    The food safety of the region is a fundamental foundation of the country’s economic security and one of the most important prerequisites for sustainable development. Unfortunately, the problems of ensuring food security ...
  • Improvement of thermal polyurethane adhesive compositions parameters by modification with zeolite 
    Kozar, O. P.; Козарь, Оксана Петрівна; Oliynykova, V. V.; Олійникова, В. В.; Konoval, V. P.; Коновал, В. П. (Trans Tech Publications, 2013)
    The aim of this study is to improve the heat resistance performance of polyurethane based adhesives for the manufacture of shoes. Four polyurethane adhesive compositions most used in the domestic shoe industry have been ...
  • Raman spectra of a-SiI_xN,:H films following natural ageing 
    Gerasimov, V.; Герасимов, Віталій Вікторович; Mitsa, V.; Міца, В. (Elsevier Science, 1997)
    The results are given of a comparison of vibrational spectra for a-Si,N ,,:H films on their natural ageing over the course of four years. The films of a-Si r,N,:H with varying concentrations of NH3, 2%. 4%, and 6%, were ...

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