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35. The influence of complex additive on strength and proper deformations of alkali-activated slag cements

Krivenko, Pavel; Petropavlovskyi, Oleh; Rudenko, Igor; Konstantynovskyi, Oleksandr (Trans Tech Publications Ltd, 2019)

The peculiarity of alkali-activated slag cements (further, AASC’s) is increased proper deformations, which can cause increased cracking and reduced durability of structure. The paper is devoted to manage AASC’s proper ...

3D кадастр, як інструмент регулювання майнових відносин у сфері землі та нерухомості

Дубницька, М. В.; Крельштейн, П. Д. (КНУБА, 2016)

Окреслена необхідність створення 3D кадастру як ефективного інструменту регулювання майнових відносин у сфері землі та нерухомості у великих містах. На прикладі конкретної земельної ділянки доведена ефективність оперування ...

3D моделювання Дністровського протипаводкового полігону

Зорін, Д. О. (ІТГІП, 2016)

Природними чинниками паводків є глобальне потепління, випадання великої кількості опадів за невеликі проміжки часу, що в 2–2,5 рази перевищує місячну норму, перенасиченість ґрунтів вологою (70–80%), складні рельєфні умови ...

3D-реконструкция объектов с помощью беспилотных систем

Кортунов, В. И.; Молчанов, А. А.; Гергель, И. А. (КНУБА, 2015)

В статье представлены различные методы 3D-реконструкции объектов по снимкам стереосъемки или серии снимков, приведены преимущества и недостатки предложенных методов. Большое внимание в статье отведено факторам рассогласования ...

A 12-bit -channel pipeline ADC WITH 81 DB SFDR in 250 MS/s single0.13 UM CMOS

Gu Jianhua; Yan Guojun; Ben Nengjun (КНУБА, 2018)

A 12bit 250-MS/s pipeline ADC is presented and fabricated in 0.13um CMOS process. A power efficient bootstrap switch with a buffer is proposed for high speed considerations. It utilizes a source follower to insulate the ...

A finite element technique and results of continual fracture process modeling

Bazhenov, V.; Pyskunov, S. (KNUCA, 2014)

The techniques of modeling of continual fracture process for space circular and prismatic bodies under long-term static or cyclic force loading condition and some results of determination of ...

A method of determining the coordinates of the stiffness center and the stiffness principal axis of the vibrating system with damping

Dang Xuan Truong; Tran Duc Chinh (КНУБА, 2014)

The report presents a methodology to determine the directions of the stiffness principal axis (in this case subject to the linear displacement and forced rotation angle) of a solid object interact with the surrounding ...

A methodology of determining of parameter j* in discrete models of finite element method

Bazhenov, V. A.; Pyskunov, S. О.; Shkryl, О. О. (КНУБА, 2017)

Based on the method of reactions, a technique for determining of the parameter J * by the method of subdomain moving in discrete models of finite element method (FEM) has been developed. A number of test problems solved. ...

A new method of control of coherent structures in vortex apparatuses

Turick, Vladimir; Kochin, Viktor; Kochina, Mariia (КНУБА : ІТГІП, 2018)

A new method for direct control of energy-intensive coherent vortex structures (ECVS) in a vortex chamber is provided with stable vortex wires, which are descended from the lateral edges of a small elongated wing which is ...

A study of air pollution with formaldehyde along the highways in Kyiv city

Voloshkina, O.; Sipakov, R.; Zhukova, O.; Bereznitska, J. (2018)

The problem of air pollution in the cities of Ukraine was described. The methodology of calculation of hydrocarbon emission on automobile overpasses and crossroads of Kyiv was suggested. By the number of bands, the number ...

A study on the speaker recognition algorithm based on Bayesian compressed sensing theory

Yan Yang; Li Zhao (КНУБА, 2019)

Speaker recognition technology is widely used in the Internet and communication filed. In recent years, compressed sensing theory attracted wide attention in and abroad. Having broken through the limitations of the Nyquist ...

About some features of forecasting masstransport processes in saturated - unsaturated media

Telyma, S.; Voloshkina, O. (2018)

The general methodic of forecasting the flow and moisture-salt transfer processes in saturated-unsaturated media on the base of the methods of mathematic modeling for case of the arbitrary vertical domains is proposed.The ...

Adaptation of IUCN Classification Schemes for Environmental safety passports of species

Kryvomaz, Tetyana (2016)

This study aimed to improve the ways of risk assessment for environmental safety. The implementation of “Environmental safety passports of species” is of practical importance for effective risk assessment of individual ...

Algorithmization tests development of spatial imagination

Honta, Viktoria (KNUCA, 2015)

In the article it is looked at the method algorithmization of chosen tests for development of spatial imagination, proposed combined algorithm for test of spatial imagination, shown schematic use of ...

Alkali activated portland cement with adjustable proper deformations for anchoring application

Krivenko, P. V.; Rudenko, I. I.; Petropavlovskyi, O. M.; Konstantynovskyi, O. P.; Kovalchuk, A. V. (IOP Publishing Ltd, 2019)

The application of alkali-activated Portland cement (hereinafter AAPC) for anchoring grouts was investigated with obtaining of non-shrinking high performance cementing systems. The AAPC system “ordinary Portland cement ...

Alkaline aluminosilicate binder-based adhesives with increased fire resistance for structural timber elements

Krivenko, P. V.; Guzii, S. G.; Bondarenko, O. P. (2019)

The paper presents data on the use of the alkaline aluminosilicate binder-based adhesive of the system Na2O•Al2O3•(4-6)SiO2•(17-20)H2O for gluing and fire protection of structural timber elements. The results of the study ...

An analysis of raft thickness in high-rise buildings - case studies

Nguyen Anh Tuan; Cao Van Hoa (КНУБА, 2019)

This study shows that the raft thickness is depended on foundation system, Young modulus of soil right under the raft and number of floors of superstructure, and explains very well the case of thick raft of ICC Tower, ...

An annotated checklist of myxomycetes from the Seychelles Islands, Indian Ocean

Kryvomaz, Tetiana; Michaud, Alain; Stephenson, Steven L.; L. (Finnish Mycological Society, 2020)

The checklist provided herein contains 143 species and infra-specific taxa of myxomycetes representing six orders, 12 families and 29 genera known from the Seychelles Islands. These records are the result of 878 field ...

An electronic device integrating linear and non-linear metering

Sun Lixiang; Wang Chunmo (КНУБА, 2018)

This paper designs an intelligent electronic metering device for the post office. Programs realize the non-linear relationship between the price and the weight of letters. The whole system is mainly composed of hardware ...

An estimation of residual lifetime of spatial structural elements under continual fracture condition

Bazhenov, V. A.; Gulyar, O. I.; Pyskunov, S. O. (КНУБА, 2014)

The techniques of modeling of continual fracture process for space circular and prismatic bodies under prolonged load condition and some results of determining of the estimated lifetime (up to local loss of material bearing ...

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