29 research outputs found
Удосконалення ресурсозабезпечення при відновленні будівель з використанням Artificial Intelligence
In construction, modern technologies are becoming a key factor in achieving resource conservation and improving efficiency. The application of artificial intelligence not only reduces resource consumption but also creates opportunities for optimizing the design processes and organizing construction production. Monitoring systems for the construction process, along with the implementation of advanced IT technologies in the construction industry, contribute to increased accuracy and speed of work execution. This innovative approach to construction not only promotes resource conservation but also creates essential conditions for the sustainable development of the industry.
In the construction industry, where a traditional approach prevails, the implementation of artificial intelligence poses a challenge due to the absence of prior practice. As this technology is cutting-edge, a detailed study and practical testing are necessary to elucidate its potential advantages in the construction process. In the future, with the advancement of the industry, the use of artificial intelligence in construction could become a key factor in improving resource conservation, calendar planning, optimizing processes, and refining project management strategies.
The purpose of this article is to develop an understanding of the impact of artificial intelligence on calendar planning and its potential application in post-conflict city rebuilding. In contemporary times, artificial intelligence is becoming an increasingly crucial tool in various fields, including project management, industry, and the economic components of post-crisis situations. Its high potential can contribute to addressing issues related to the reconstruction of cities affected by conflicts. Intelligent algorithms can effectively analyze and optimize calendar plans, considering various factors such as available resources, residents' needs, infrastructure, and more. This will enable the development of precise and efficient recovery strategies, ensuring optimal resource utilization and maximum social impact.В будівництві сучасні технології стають ключовим чинником для досягнення ресурсозбереження та підвищення ефективності. Застосування штучного інтелекту дозволяє не лише зменшити витрати ресурсів, але й створює можливості для оптимізації процесів проектування та організації будівельного виробництва.
Системи моніторингу будівельного процесу, а також впровадження сучасних IT-технологій в будівельну галузь сприяють підвищенню точності та швидкості виконання робіт. Такий новітній підхід до будівництва не лише сприяє збереженню ресурсів, але і створює життєво важливі умови для сталого розвитку галузі.
У галузі будівництва, де переважає традиційний підхід, впровадження штучного інтелекту стає викликом через відсутність попередньої практики. Оскільки ця технологія є новітньою, необхідно провести детальне дослідження та практичні випробування для з'ясування її потенційних переваг у будівельному процесі. В майбутньому, з розвитком індустрії, використання штучного інтелекту в галузі будівництва може стати ключовим фактором у вдосконаленні ресурсозбереження, календарного планування, оптимізації процесів та вдосконаленні стратегій управління будівельними проектами.
Мета цієї статті полягає в розвитку розуміння впливу штучного інтелекту на календарне планування та можливість його використання під час відновлення міст. У наш час штучний інтелект стає все більш важливим інструментом у різних сферах, включаючи управління проєктами, промисловість, економічна складова посткризових ситуацій. Його високий потенціал може зробити внесок у вирішення проблем, пов'язаних із відбудовою міст, які постраждали від бойових подій. Інтелектуальні алгоритми можуть ефективно аналізувати та оптимізувати календарні плани, враховуючи різноманітні фактори, такі як наявні ресурси, потреби мешканців, інфраструктура тощо. Це дозволить розробляти точні та ефективні стратегії відновлення, забезпечуючи оптимальне використання ресурсів та максимальний соціальний вплив
Maxwell equations in matrix form, squaring procedure, separating the variables, and structure of electromagnetic solutions
The Riemann -- Silberstein -- Majorana -- Oppenheimer approach to the Maxwell
electrodynamics in vacuum is investigated within the matrix formalism. The
matrix form of electrodynamics includes three real 4 \times 4 matrices. Within
the squaring procedure we construct four formal solutions of the Maxwell
equations on the base of scalar Klein -- Fock -- Gordon solutions. The problem
of separating physical electromagnetic waves in the linear space
\lambda_{0}\Psi^{0}+\lambda_{1}\Psi^{1}+\lambda_{2}\Psi^{2}+ lambda_{3}\Psi^{3}
is investigated, several particular cases, plane waves and cylindrical waves,
are considered in detail.Comment: 26 pages 16 International Seminar NCPC, May 19-22, 2009, Minsk,
Belaru
Evidence Against Instanton Dominance of Topological Charge Fluctuations in QCD
The low-lying eigenmodes of the Dirac operator associated with typical gauge
field configurations in QCD encode, among other low-energy properties, the
physics behind the solution to the problem (i.e. the origin of the
mass), the nature of spontaneous chiral symmetry breaking, and the
physics of string-breaking, quark-antiquark pair production, and the OZI rule.
Moreover, the space-time chiral structure of these eigenmodes reflects the
space-time topological structure of the underlying gauge field. We present
evidence from lattice QCD on the local chiral structure of low Dirac eigenmodes
leading to the conclusion that topological charge fluctuations of the QCD
vacuum are not instanton-dominated. The result supports Witten's arguments that
topological charge is produced by confinement-related gauge fluctuations rather
than instantons.Comment: 35 pages, 11 figure
Abelian Monopole and Center Vortex Views at the Multi-Instanton Gas
We consider full non-Abelian, Abelian and center projected lattice field
configurations built up from random instanton gas configurations in the
continuum. We study the instanton contribution to the force with
respect to ({\it i}) instanton density dependence, ({\it ii}) Casimir scaling
and ({\it iii}) whether various versions of Abelian dominance hold. We check
that the dilute gas formulation for the interaction potential gives an reliable
approximation only for densities small compared to the phenomenological value.
We find that Casimir scaling does not hold, confirming earlier statements in
the literature. We show that the lattice used to discretize the instanton gas
configurations has to be sufficiently coarse ( compared
with the instanton size ) such that maximal Abelian gauge
projection and center projection as well as the monopole gas contribution to
the force reproduce the non-Abelian instanton-mediated force in the
intermediate range of linear quasi-confinement. We demonstrate that monopole
clustering also depends critically on the discretization scale confirming
earlier findings based on monopole blocking.Comment: 21 pages, 22 Postscript figure
The first dozen years of the history of ITEP Theoretical Physics Laboratory
The theoretical investigations at ITEP in the years 1945-1958 are reviewed.
There are exposed the most important theoretical results, obtained in the
following branches of physics: 1) the theory of nuclear reactors on thermal
neutrons; 2) the hydrogen bomb project ("Tube" in USSR and "Classical Super" in
USA); 3) radiation theory; ~4) low temperature physics; 5) quantum
electrodynamics and quantum field theories; 6) parity violation in weak
interactions, the theory of -decay and other weak processes; 7) strong
interaction and nuclear physics. To the review are added the English
translations of few papers, originally published in Russian, but unknown (or
almost unknown) to Western readers.Comment: 55 pages, 5 fig
Light Quarks in the Instanton Vacuum at Finite Baryon Density
We consider the finite density, zero-temperature behaviour of quark matter in
the instanton picture. Since the instanton-induced interactions are attractive
in both and channels, a competition ensues between phases of
matter with condensation in either or both. It results in chiral symmetry
restoration due to the onset of diquark condensation, a `colour supercondutor',
at finite density. Also present is a state with both manners of condensation,
however this phase is found to be thermodynamically disfavoured for equilibrium
matter. Properties of quark matter in each phase are discussed, with emphasis
on the microscopic effects of the effective mass and superconducting energy
gap.Comment: 29 pages, 8 figures, LaTeX, minor typos correcte
Superstripes and complexity in high-temperature superconductors
While for many years the lattice, electronic and magnetic complexity of
high-temperature superconductors (HTS) has been considered responsible for
hindering the search of the mechanism of HTS now the complexity of HTS is
proposed to be essential for the quantum mechanism raising the superconducting
critical temperature. The complexity is shown by the lattice heterogeneous
architecture: a) heterostructures at atomic limit; b) electronic heterogeneity:
multiple components in the normal phase; c) superconducting heterogeneity:
multiple superconducting gaps in different points of the real space and of the
momentum space. The complex phase separation forms an unconventional granular
superconductor in a landscape of nanoscale superconducting striped droplets
which is called the "superstripes" scenario. The interplay and competition
between magnetic orbital charge and lattice fluctuations seems to be essential
for the quantum mechanism that suppresses thermal decoherence effects at an
optimum inhomogeneity.Comment: 20 pages, 3 figures; J. Supercon. Nov. Mag. 201
Regional cluster creation as an innovative approach to life quality improvement in the area
В работе рассматривается инновационное развитие регионов. С этой целью создаются кластеры и организуется процесс кластеризации. Отмечается, что кластер выступает как способ повышения конкурентоспособности региона, являясь проводником инноваций и практическим инструментом регионального развития. Возникла потребность в разработке региональной концепции кластерной организации экономики. Подчеркивается влияние кластера не только на экономическое и социальное развитие региона, но и на повышение уровня качества жизни. The research work studies innovative development of regions. This aim is achieved by cluster creation and forming the process of clusterization. It has been proved that cluster is a way to raise the region competitiveness, being the innovations vehicle and practical instrument of regional development. There is the demand to elaborate the regional concept of cluster economy organization. It is highlighted that cluster influences not only on economic and social region development but also on life quality improvement
Pb, Cd, Se, As in blood and urine of children from high and low polluted districts of Saint-Petersburg. The elements concentrations and health of children
At present time rapt attention is attended on child health. One of the main factors of child health is environmental
condition and possibility of toxic elements consuniption by children from air, water, and food. The ain of our investigation is
to detennine Pb, Cd, Se, As in blood and urine of children from high and low level polluted districts of St.-Petersburg. And
then to estimate urine and blood toxic elements concentration correlation. ln order to examine large child groups it is necessary
to use effective, express analycal methods. Wc chose Zeeman Modulation Polarization Atomic Absorption Spectrometry with
High-Frequency Modulation as such a method. New technique Zeeman Modulation Polarization Atomic Absorption
Spectrometry with High-Frequency Modulation allow io determine many etements directly (without additional compounds and
reagents or with there minimum use) in blood, plasma and urine. Highcst spectrometry selectivity allows working with high
background level. The matrix effects are reduced in great deal the aid of L'vov platform, sample pyrolysis and palladium
modifier using. We present the results of our investigation – the concentration of toxic éléments in blood and urine of children
from high–Polluted district is above permitted level
Features of angular dependence of secondary electron emission from metal single crystals
The dependence of secondary electron emission coefficient σ on the angle α of primary electron incidence onto single crystals of metals with different crystalline lattice has been studied for undisturbed surface and for disturbed one by sputtering. We used the single crystals of Cu (fcc), Mo (bcc), Zn (hcp) and Ni4Mo (tetragonal lattice). It was shown that the coefficient σ is smaller for the disturbed surface, than for initial one due to absorption of secondary and scattered electrons by the lateral surfaces of hills and cones which are formed as a result of sputtering. For the initial surfaces (of Cu, Mo and Ni4Mo) the maxima of σ(α) in the low-index directions of the crystal lattice arise as a result of primary and secondary electron scattering on the atoms in open channels. At the same time, for the preliminary highly oxidized single crystal surface (of Zn) the minimum of σ in the direction of open channel was observed. The last can be explained by a reduction of work function of surface, and increase in penetration depth of electrons in open channel and by a rise of electron-phonon interaction. Angular dependences of secondary electron emission for a sputtered surface have a more complicated structure with the additional maxima and minima caused by interaction of secondary and scattered electrons with a cone-shaped relief. © 2017 Elsevier B.V