Results 71 to 80 of about 82 (82)
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Работа лицевого слоя ÑƒÐ³Ð»Ð¾Ð²Ñ‹Ñ Ð·Ð¾Ð½ Ð¼Ð½Ð¾Ð³Ð¾ÑÐ»Ð¾Ð¹Ð½Ñ‹Ñ ÑÑ‚ÐµÐ½ при температурном воздействии

2019
В данной работе исследована проблема образования трещин в лицевом слое зданий с многослойной кладкой в климатических условиях Санкт-Петербурга.
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Влияние температурной истории твердения бетона на модуль упругости

The work is devoted to the study of the influence of the thermal history of concrete hardening on the modulus of elasticity during the construction period, as well as to the assessment of this influence on the thermal stress state of massive concrete structures. Tasks that were solved during the research: 1.
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Экспериментальное измерение температурной зависимости Ð¼Ð°Ð³Ð½Ð¸Ñ‚Ð½Ñ‹Ñ ÑÐ²Ð¾Ð¹ÑÑ‚Ð² Ð¿Ð¾Ð²ÐµÑ€Ñ Ð½Ð¾ÑÑ‚Ð¸

2019
This work is aimed to the experimental measurements of the temperature dependence of surface's magnetic properties. Spin-polarized Auger electron spectroscopy was used to collect an information about the surface magnetic properties. FeNi3(110) single crystal was chosen as a sample.
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Особенности Ð½Ð¸Ð·ÐºÐ¾Ñ‚ÐµÐ¼Ð¿ÐµÑ€Ð°Ñ‚ÑƒÑ€Ð½Ñ‹Ñ ÑÐ»ÐµÐºÑ‚Ñ€Ð¸Ñ‡ÐµÑÐºÐ¸Ñ ÑÐ²Ð¾Ð¹ÑÑ‚Ð² полупроводникового твердого раствора (PbxSn1-x)0.8In0.2Te

2020
The low-temperature electrical properties of a semiconductor solid solution (Pb0.4Sn0.6)0.8In0.2Te. were studied. The temperature and magnetic field dependences of the resistance of the polycrystalline sample were studied in the temperature range Т = 300 К – 1.3 К and magnetic fields less than 10 кOe.
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Создание установки для измерения электропроводности Ð²Ñ‹ÑÐ¾ÐºÐ¾Ñ‚ÐµÐ¼Ð¿ÐµÑ€Ð°Ñ‚ÑƒÑ€Ð½Ñ‹Ñ Ð´Ð¸ÑÐ»ÐµÐºÑ‚Ñ€Ð¸ÐºÐ¾Ð²

2017
Изучены методы измерения электропроводности диэлектрических материалов. Рассчитана мощность нагревательных элементов, необходимая для обеспечения требуемой температуры.
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Исследование Ñ‚ÐµÐ¼Ð¿ÐµÑ€Ð°Ñ‚ÑƒÑ€Ð½Ñ‹Ñ Ð¿Ð¾Ð»ÐµÐ¹ терапевтического ультразвука методом ультразвуковой термометрии

2020
This work is devoted to the development of ultrasonic thermometry (UST) techniques and to the study of the temperature increment fields of the heating regions by focused ultrasound. In the course of the work, a series of experiments was carried out to measure the relative temperature using the ultrasound method of heated areas of tissue-equivalent and ...
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Расчет прочности сосудов под высоким давлением при Ð¿Ð¾Ð²Ñ‹ÑˆÐµÐ½Ð½Ñ‹Ñ Ñ‚ÐµÐ¼Ð¿ÐµÑ€Ð°Ñ‚ÑƒÑ€Ð°Ñ

As part of the work, a comparative analysis was carried out and an attempt was made to introduce the elastic-plastic stress analysis. The work consists of 7 parts: consideration of the finite element method, review and comparative analysis of regulatory documentation, review of ammonia synthesis production, review of existing flange connections ...
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Окислительная способность и токсичность воды после обработки низкотемпературной плазмой

2019
This work studies the characteristics of water treated in a experimental unit, created in the Physicotechnical Institute named after Ioffe. The plant generates a high-voltage spark discharge in water saturated with air bubbles. The methods of iodometry and redoxmetry showed the presence of oxidizing agents in plasma-treated water, which are destroyed ...
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Комбинированная установка для работы в блоке с высокотемпературным Ð³Ð°Ð·Ð¾Ð¾Ñ Ð»Ð°Ð¶Ð´Ð°ÐµÐ¼Ñ‹Ð¼ реактором

2017
В данной работе произведен расчет показателей базового варианта комбинированной установки и анализ влияния различных параметров на показатели комбинированной установки утилизационного тиР...
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Микроконтроллерная система регистрации температурного поля с применением Ð¸Ð½Ñ‚ÐµÑ€Ñ„ÐµÐ¹ÑÐ½Ñ‹Ñ ÑÑ€ÐµÐ´ÑÑ‚Ð² 1-wire

2019
В данной работе изложена сущность подхода к разработке специализированной системы регистрации температурных полей посредством протокола 1-wire.
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