Results 1 to 10 of about 26,540 (136)

Исследование утраты огнестойкости эксплуатируемых железобетонных ригелей и балок

open access: yesВестник Университета гражданской защиты МЧС Беларуси, 2022
Цель. Развитие теории огнестойкости конструкций, зданий и сооружений с учетом одного из направлений комбинированных особых воздействий с участием пожара – оценки пределов огнестойкости железобетонных конструкций с учетом длительности и условий их ...
Дмитрий Николаевич Приступюк   +2 more
doaj   +1 more source

Анализ изменений в структуре университетского корпуса страны. Проблемы и тенденции развития

open access: yesНедвижимость: экономика, управление, 2022
Система высшего образования Российской Федерации за последние 15 лет претерпела значительные изменения, при этом Президентом Российской Федерации поставлены амбициозные задачи в развитии университетского корпуса до 2030 года, в том числе по созданию ...
Roman Vyacheslavovich Volkov
doaj   +1 more source

Diagnostics turbocompressors of diesels engine at running using repair and restoration compositions

open access: yesВестник СибАДИ, 2017
The article dwells upon the importance of increasing reliability of turbocompressors of internal combustion engines. There is a suggestion on causes of increased wear of the unit’s bearings.
S. A. Kornilovich   +3 more
doaj   +1 more source

FORMATION OF STRUCTURAL AND ENERGY PARAMETERS OF WORKING SURFACES OF HIGH-PRECISION PARTS DURING ROAD TRANSPORT OPERATION

open access: yesInternational Journal of Advanced Studies, 2019
In the work оn the basis of analysis, wear of parts during operation of road transport is considered, namely in high-precision parts coupled with loads and friction, which leads to elastic and plastic deformation and as a result destruction of surface ...
Bulat Talirovich Tukhvatullin   +2 more
doaj   +1 more source

Sliding friction unit of connecting-rod end of high-lift plunger pump using self-lubricated bearing from powder antifriction material

open access: yesAdvanced Engineering Research, 2017
Introduction. The powder antifriction materials applied in the oil and gas industry are considered. Special attention is given to the materials with the effect of self-lubricity.
Marina V. Korchagina   +3 more
doaj   +1 more source

The analysis used designs anchoring unit and designs of seals of packers used in the hydraulic fracturing

open access: yesНаука. Инновации. Технологии, 2022
The purpose of the packers is determined by the specific technological tasks. The design of the packer and the principle of bringing it into action shall provide protection from premature wear during the tripping process.
Viktor Alekseevich Mashkov   +4 more
doaj  

СURRENT TRENDS OF THE FIXED CAPITAL CONSUMPTION

open access: yesСтатистика и экономика, 2016
The research article is devoted to the current trends of the fixed capital consumption, to the problems connected with the fixed capital consumption and to the innovations in the Russian economy where the increase of fixed capital consumption efficiency ...
Nikolay V. Gayfulin
doaj   +1 more source

ВЛИЯНИЕ ПРИРОДЫ НАПОЛНИТЕЛЯ НА ТВЕРДОСТЬ И ИЗНОС ДИСПЕРСНО-НАПОЛНЕННЫХ КОМПОЗИЦИОННЫХ МАТЕРИАЛОВ НА ОСНОВЕ ЭПОКСИДНО-ДИАНОВОГО СВЯЗУЮЩЕГО

open access: yesПолзуновский вестник, 2021
Защита поверхностей металлических изделий от износа представляет процесс адгезионного взаимодействия «металл – покрытие». Используемые покрытия металлических поверхностей, разнообразны, большую часть изготавливают на основе полимерных композиционных ...
Снежана Александровна Хапёрских   +1 more
doaj  

ANALYSIS OF CONE BITS SEALING SYSTEM

open access: yesИзвестия высших учебных заведений: Нефть и газ, 2016
The article presents the analysis of cone bits sealing system. It shows the perspective directions of increasing the durability of cone bits bearing assembly, improving the reliability of the drill cone bits bearing elements sealing system.
N. N. Zakirov, E. A. Davletshin
doaj   +1 more source

Study of ferromagnetic nanoparticles effect on tribotechnical lubricating characteristics

open access: yesAdvanced Engineering Research, 2015
The research objective is to study tribological properties of the lubricating compositions based on the Castrol oil and ZIATIM -201 plastic lubricant modified by the ferromagnetic nanosuspension.
Elena Gennadyevna Zadoshenko   +1 more
doaj   +1 more source

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