Browsing Материалы конференции по статьям by Submit Date
Now showing items 21-40 of 77
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Фотолюминофоры на основе LaInO3
(БНТУ, 2014)LaInO3-based phosphors activated with rare-earth ions were synthesized and their properties were investigated. New red and green oxide phosphors were found, that could be prospective for w-LED fabrication. It was found that chromium (III) ion works as a sencitizer for Pr3+and Nd3+ ions in LaInO3-based phosphors increasing resulting photoluminescence intensity by 40–90% and 50–80%, ...2018-05-10 -
Spectroscopic and luminescence properties of erbium ions in transparent glass-ceramics containing (ER,YB)NBO4 nanocrystals
(БНТУ, 2014)Transparent glass-ceramics containing nanocrystals of (Er,Yb)NbO4 and β-quartz solid solution have been prepared; their absorption spectra, IR and up-conversion luminescence spectra have been studied. Spectral-luminescent characteristics prove these materials to be promising media for 1.5 μm laser generation.2018-05-10 -
Использование вторичного сырья и отходов металлургических производств для получения керамических материалов различного назначения
(БНТУ, 2014)The paper is devoted to feasibility of creation of ceramic materials for heating aggregates on the basis of refractory phases and with application of production wastes and secondary raw materials.2018-05-10 -
Новые самофлюсующиеся наплавочные материалы на железной основе для нанесения износостойких защитных покрытий
(БНТУ, 2014)Comparative analysis of up-to-date coating materials applied for protective coating of the parts operating in the conditions of abrasion wear is presented in the paper. Technological characteristics of the novel coating material based on iron shot, experimental data on comparative wear resistance of the parts coated with various coating materials, and the results of operational ...2018-05-10 -
Обоснование параметров шагающего движителя экскаватора
(БНТУ, 2014)The algorithm and the program of calculation of trajectories of the main hinges of the mechanism of walking of the excavator are developed. For increase of stability of the walking excavator on a frame of a rotary platform the additional support in the form of a cross ski is fixed.2018-05-10 -
Modeling of polydispersed bubbly flow in continuous casting mold using multiple-size-group model
(БНТУ, 2014)A population balance model based on the Multiple-Size-Group (MUSIG) approach has been developed to investigate the polydispersed bubbly flow inside a slab continuous casting mold. The Eulerian-Eulerian approach is used to describe the motion of the two-phase flow. Sato and Sekiguchi model is used to account for the bubble induced turbulence. Luo and Svendsen model and Prince and ...2018-05-10 -
Разработка двухпоточного привода колес шахтного самоходного вагона
(БНТУ, 2014)Authors developed four options of Two-Flow Drive for Wheels of Mining Self Propelled Car. They provide decrease of dynamic loadings in transmission at start-off from a place and dispersal.2018-05-10 -
Обоснование технологии и оборудования для производства композитного кускового топливного торфа
(БНТУ, 2014)In work two essentially new technological schemes and a complex of the equipment for production of Composite Fuel Sod Peat are proved. The main installation consists of coaxially located two delivery mechanisms of continuous action.2018-05-10 -
Микроконтроллерное управление технологическими процессами с помощью микрокомпьютера Raspberry PI
(БНТУ, 2014)The scheme of the control of temperature in processes of the soldering of electronic modules in real time by means of one-paid microcomputer RASPBERRY is developed.2018-05-10 -
Экспериментальный комплекс для исследования условий электроконтакта при проведении процедуры электростимуляции в сочетании с ударно-фрикционным воздействием
(БНТУ, 2014)The experimental complex of apparatus of electrical stimulation with combination of active electrode vibration of original design was developed. It has a possibility to use various mechanical and electrical parameters of vibration influence and electrical stimulation. In particular it has a possibility to apply various directions of vibrations to an active electrical stimulation ...2018-05-11 -
Повышение прочности паяных соединений бессвинцовыми пропоями
(БНТУ, 2014)Durability and transitive electric resistance soldering connections executed with application Pb-free solders are investigated. At introduction grafen a mass fraction of 0,5 % transitive resistance decreases on 0,2 mOm, and the additive Ge a mass fraction of 1,8 % increases durability characteristics on 20 MPa.2018-05-11 -
Тепловые поля инфракрасных источников нагрева для монтажа электронных компонентов
(БНТУ, 2014)Temperature fields of lamp and ceramic Infra Red (IR) heaters of components applied at ration SMD are investigated. Ceramic IR the heater has shown high uniformity of heating on the area 1100 mm2 with speed of heating 3,51°S/sec.2018-05-11 -
Экономически обоснованный срок эксплуатации трансформаторов
(БНТУ, 2014)The paper shows non-efficient application of the existing economical models for determination of replacement time for transformers with long service life because these models do not take into account real changes in transformer parameters during its operational period. An improved mathematical model for estimation of replacement efficiency of power transformers which are used at ...2018-05-11 -
Технология изготовления ультразвукового волновода мединцинского назначения методом электролитно-плазменной обработки
(БНТУ, 2014)The problem how to manufacture a long slender flexible ultrasound catheter with good acoustic characteristics and flexible characteristics currently still was not solved. The use of electrolyte-plasma processing method is proposed in this paper. The processing technology of metal forming and surface polishing of ultrasonic catheter can effectively solve this problem.2018-05-11 -
Способ электролитической плазменной обработки для изготовления медицинского низкочастотного ультразвукового катетера
(БНТУ, 2014)Wang, Hao. Способ электролитической плазменной обработки для изготовления медицинского низкочастотного ультразвукового катетера / Wang Hao // Научные и инновационные проекты и инициативы молодежи Беларуси и Китая : сборник материалов конференции в рамках Белорусско-Китайского молодежного инновационного форума "Новые горизонты - 2014", 3-4 декабря 2014 г. – Минск : БНТУ, 2015. – С. 79-81.2018-05-11 -
Программное обеспечение для оптимизации конструкции механизмов по критерию относительной износостойкости
(БНТУ, 2014)The paper describes the algorithm for calculating the distribution of the contact pressure and relative wear resistance criteria on the surface of rotation kinematic pairs. The product of contact pressure on each surface element at relative sliding velocity is selected as the criteria of relative wear resistance of the elementary parts of the surfaces. It is established that for ...2018-05-11 -
Highly efficient ER,YB:YAL3(BO3)4 laser emitting in the 1.5-1.6 μM spectral range
(БНТУ, 2014)The highly efficient Er,Yb:YAl3(BO3)4 laser emitting in the 1.5-1.6 μm spectral range was demonstrated. A maximal output power of 1.6 W in CW and 2.7 W in QCW regimes with slope efficiency up to 40 % was obtained at 1522 nm.2018-05-11 -
Конечноэлементное моделирование изменения температуры тонкой пластины под действием динамической нагрузки
(БНТУ, 2014)The mathematical model allowing to consider the change of physical properties of material of a plate as a result of change of its temperature caused by action of dynamic loading is presented. The providing corresponding program is developed and verification is carried out it. The divergence of results of research of the offered mathematical model and calculations with use of a ...2018-05-11 -
Биогазовые технологии для оптимизации топливного баланса Республики Беларусь
(БНТУ, 2014)Зубик, П. В. Биогазовые технологии для оптимизации топливного баланса Республики Беларусь / П. В. Зубик // Научные и инновационные проекты и инициативы молодежи Беларуси и Китая : сборник материалов конференции в рамках Белорусско-Китайского молодежного инновационного форума "Новые горизонты - 2014", 3-4 декабря 2014 г. – Минск : БНТУ, 2015. – С. 89-90.2018-05-11 -
Интенсивное энергосбережение на ТЭЦ при переходе на парогазовую технологию
(БНТУ, 2014)The set of activities to increase the CHP power output and efficiency of natural gas consumption after its change-over to combined-cycle technology is presented in this brief article. The value of annual total fuel savings can be more than 1 million tons of fuel equivalents, due to implementation of described measures at Belarusian CHPs.2018-05-11