Новые горизонты: Recent submissions
Now showing items 1821-1840 of 2052
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Синтез и физико-химические свойства привитых сополимеров полилактида и мономеров акрилового ряда
(БНТУ, 2016)Graft polymerization of acrylic and methacrylic acids of different concentrations was carried on biodegradable polylactide matrix. UV irradiation with different exposure time to experimental samples was selected as copolymerization initiator. The effects of ultraviolet light on the polylactide was investigated in the experiment. The resulting samples were researched by acid-base ...2018-04-18 -
Влияние полых микросфер на огнестойкость композиционного материала
(БНТУ, 2016)Influence of alumina and glass microsphere on composite material fire-resistance have investigated. Microsphere have added in composite material on the base of phenol-aldehyde resin and carbon material. It was determined that alumina microsphere in quantity 20% increase fire-resistance on fifty percent, glass microsphere in the same quantity reduce fire-resistance on fifty percent.2018-04-18 -
Адсорбционные свойства наноструктурированных порошков Mg(OH)2 И MgO
(БНТУ, 2016)The nanostructured oxide materials are actively studied as they possess a number of unique physical and chemical properties such as high surface area, unusual adsorption properties, rapid diffusion, high strength, wettability and mechanical stability. Among the known metal oxides, magnesium oxide is widely studied, because it is a solid with a high degree of ionicity and it has ...2018-04-18 -
Наноструктуры на основе нового индотрикарбоцианинового красителя
(БНТУ, 2016)Indotricarbocyanine dye self-assembles into nanostructures in water-ethanol. Morphology of the nanostructures was studied using atomic-force microscopy. The nanostructures are characterized by a narrow, blue-shifted absorption band in solution as well as on quartz.2018-04-18 -
Теплоаккумулирующие материалы с изменяемым фазовым состоянием: основные характеристики и области применения
(БНТУ, 2016)The article provides the definition of "phase change material". Noted that as materials with change phase, with thermoregulation properties, are preferably used paraffin’s. The use of microencapsulation technology allows you to effectively use the phase change materials in various fields. The most commonly used PCM in building, in the manufacture of upholstered furniture and ...2018-04-18 -
Перспективные строительные материалы, получаемые на основе доломита
(БНТУ, 2016)The thesis provides an overview of the application of dolomite raw material for producing a magnesia astringent. Studies performed in the Hrodna State University, have shown the ability to create materials based on magnesia dolomite sand grain size of 1.25-2.5 mm and a mixing which is obtained as a by-product in the manufacture of plaster. In addition, the author of dolomite raw ...2018-04-18 -
Серный бетон: преимущества и недостатки
(БНТУ, 2016)In article analyzed possibility of use of sulphur as binding substance in building materials. The analysis of positive and negative qualities of sulfuric concrete, advantage of the production technology of sulfuric concrete is made.2018-04-18 -
Оценка свойств текстильных материалов с нановолокнистыми покрытиями, полученными методом электроформования
(БНТУ, 2016)The objective of the investigation was determination of properties of textile materials with nanofibrous web. Solution of polymer composition was used as the raw material for fibers molding. Experimental research of the technological process of electrospinning was carried out on the equipment Nanospider. As a results of experiments series it was determined the physics and mechanics ...2018-04-18 -
Бетоны, модифицированные отходами производства предприятий города Гродно
(БНТУ, 2016)The article presents the results of studies of physical and mechanical and performance properties of concrete, modified by crushed granite waste and waste of chemical industries. As a result of experiments in laboratory of Yanka Kupala State University of Grodno was obtained concrete with improved properties: compressive strength, water absorption, durability, porosity.2018-04-18 -
Совершенствование химических составов нейтральных стекол для медицинской стеклотары
(БНТУ, 2016)In the manufacture of medical vials borosilicate glasses based on a problem that is connected with the hydrolytic stability of these glasses. The output corresponding to the requirements of the product does not exceed 12–15%. Attempts to control temperature and time molding bottles regimes have not led to an improvement in product quality. At the Department of Glass and Ceramics ...2018-04-18 -
Разработка составов и технологии получения теплоизолирующих покрытий для оборудования, работающего при высоких температурах
(БНТУ, 2016)Long-term researches of granulate heat-insulating materials are carried out at the department of technology of glass and ceramics. The results of it researches is waterproof silicate granulated foam-made material with microcellular structure and it bulk weight is 150–250 kg/m3. This material is used as excipient for producing a flameproof heat-insulating coating of the equipment ...2018-04-18 -
Синтез анизотропных соединений
(БНТУ, 2016)Continuing our interest in the intermediates for the preparation of liquid-crystalline and anisotropic compounds for different practical application, we summarize and show here how the advanced both nonchiral and chiral nematic, smectic and other anisotropic compounds can be successfully synthesized by the transformations of the available 3,6-disubstituted cyclohex-2-enones, ...2018-04-18 -
Особенности изнашивания ледебуритных сталей при плакированни контактной поверхности сплавами, обладающими эффектом сверхпластичности
(БНТУ, 2016)The paper studied the process of cladding alloy based on Sn-Pb surface layer of high-alloy tool steels. It is shown that the use of plating can improve resistance steels HSS6-5-2 and X155CrMoV12-1 to the effects of pulsating contact stresses.2018-04-18 -
Технология получения комбинированной электропроводящей пряжи для ковровых изделий
(БНТУ, 2016)The new technology of manufacturing of fleecy conductive yarn at modernized doubling-twisting machine K-176-2 was developed by specialists of TTM department at the enterprise “Vitebsk carpets”. The using in the carpets of fleecy conductive yarns allows to improve electro-physical characteristics of carpets: to low their specific electrical surface resistance and the level of ...2018-04-18 -
Диффузионно-легированные сплавы из металлических отходов производства с пониженной температурой плавления для получения износостойких покрытий индукционной наплавкой токами высокой частоты
(БНТУ, 2016)The article reveals the technology of obtaining diffusively alloyed compounds made of metal discard and gives the information concerning the influence of preliminary short term high temperature processing with concentrated energy sources on structure formation within the further induction hard-facing process. A mechanism of a contact eutectic melting in a diffusively alloyed ...2018-04-18 -
Silicates of alkaline-earth elements activated RRe-ions – promising materials for scintillation and luminescences applications
(БНТУ, 2016)The composition of the glass scintillation materials was elaborated. The effects of rare earth ions upon spectral and luminescent properties of the glasses and glass ceramics were established.2018-04-18 -
Электрофизические свойства имплантированных ионами металлов фоторезистов в СВЧ диапазоне
(БНТУ, 2016)The studies by EPR contactless electrical properties of nanocomposites photoresist in the microwave range of the following results: the maximum ohmic losses are observed for samples at 1.0 × 1017 cm-2, for nickel ions, and iron ions; detected conductivity anisotropy implanted films in the magnetic field.2018-04-18 -
Разработка ускоренной программы оценки старения и разрушения лакокрасочных покрытий, нанесенных на подземные трубопроводы тепловых сетей
(БНТУ, 2016)Аccelerated test program of coating age evaluation have developed. A main target of the program was selection the most rust-resistant protective coating for underground piping of heating network in Belarus weather conditions. Thermostability, thermo and humidity resistance, corrosion environ-ment resistance were the basic selection criteria.2018-04-18 -
Изучение эффективности стабилизации композитов на основе полиэтилена, содержащих суперконцентраты наполнителей
(БНТУ, 2016)The article presents the influence of joint and separate reference of fillers (TALC MB, VC PE 175) and stabilizers (RA10) masterbatches on the thermal aging of polyethylene’s composites. It was estimated the thermal stability of polyethylene compositions. The activation energy of thermal oxidative degradation of polyethylene compositions was calculated. Compositions with high ...2018-04-18 -
Управление оптическими свойствами поверхностных наноструктур серебра
(БНТУ, 2016)Optical properties for different shape nanoparticles are compared for nanostructures on the glass substrate in the air atmosphere. The influence of the nanoparticle aspect ratio on the properties of the optical extinction spectrum of 2D-nanoarray. In general, the possibility of the optical spectral properties manipulation by means of the control of the nanoparticles shape, surface ...2018-04-18



















