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5581
Emergence and Development of Fortifications in the Volga Bolgaria in the X–XIII Centuries
Published 2024-10-01“…Using the skills of knowledge in this field acquired in the early period of history, the Bolgars managed to create their own school in the field of construction of defensive structures made of wood and earth. Starting with the creation of fairly simple fortifications, the evolution of their protective types took place on the territory of the Bolgar state in the X–XIII centuries. …”
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5582
Influence of Wet or Dry Conditions on the Fatigue Life of Grout Cementitious Materials under Cyclic Loading
Published 2022-01-01“…The dry-wet fatigue aging characteristics of superhigh strength grout cement materials lay a foundation for the evolution simulation of underground foundation structures under cyclic loading.…”
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5583
Effect of Peierls-like distortions on transport in amorphous phase change devices
Published 2025-03-01“…PCM glasses seem to evolve towards structures with increasing Peierls-like distortions. …”
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5584
Inovação tecnológica: desafio organizacional
Published 1996-12-01“…Preliminary describes aspects concerning the evolution in the productives systems and their relationship with technology and organization structure. …”
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5585
THE FORMATION PROCESS OF THE AMEGHINO’S ARCHAEOLOGICAL COLLECTION PRESENTED IN PARIS IN1878: COMPOSITION, CATALOGING, AND DESTINATION
Published 2025-06-01“…In this Special Catalog, Ameghino provided information on human, faunal, and cultural remains, which contributed to the construction of his collection up until before the exhibition. The structuring of the Special Catalog connects us with the evolution of Ameghino’s scientific thought through his classification regarding the natural or anthropic origin of the objects, the temporal order that he assigned to the findings, and the sedimentary deposits carrying the objects. …”
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5586
The Mechanism of Boron–Carbon Bond Formation in the DA Reaction of the Pyridine Adduct of Borabenzene with Acetylene: A Topological Analysis of the ELF Function and Catastrophe The...
Published 2025-05-01“…The mechanism of the DA cycloaddition reaction between the pyridine adduct of borabenzene and acetylene has been investigated using topological analysis of the electron localization function (ELF) and catastrophe theory (bonding evolution theory, BET). The study focuses on the differences in the electronic structures of C-C and C-B bonds during their formation. …”
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5587
MHD Modeling of a Geoeffective Interplanetary Coronal Mass Ejection with the Magnetic Topology Informed by In Situ Observations
Published 2024-01-01“…Variations of the magnetic field within a solar coronal mass ejection (CME) in the heliosphere depend on the CME’s magnetic structure as it leaves the solar corona and its interplanetary evolution. …”
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5588
3D Convective Urca Process in a Simmering White Dwarf
Published 2025-01-01“…Our findings on the extent of mixing across the Urca shell, the characteristic velocities of the flow, the energy-loss rates due to neutrino emission, and the structure of the convective boundary can be used to inform 1D stellar models that track the longer-timescale evolution.…”
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5589
Research Progress and Technology Outlook of Deep Learning in Seepage Field Prediction During Oil and Gas Field Development
Published 2025-05-01“…As the development of oilfields in China enters its middle-to-late stage, the old oilfields still occupy a dominant position in the production structure. The seepage process of reservoirs in the high Water Content Period (WCP) presents significant nonlinear and non-homogeneous evolution characteristics, and the traditional seepage-modeling methods are facing the double challenges of accuracy and adaptability when dealing with complex dynamic scenarios. …”
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5590
A Comprehensive All-sky Catalog of 3345 Molecular Clouds from Three-dimensional Dust Extinction
Published 2025-01-01“…Understanding the distribution and properties of molecular clouds is crucial for tracing the structure and evolution of the interstellar medium (ISM) and the large-scale morphology of the Milky Way. …”
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5591
The effect of Fe content on the microstructure and properties of Cu–3Ti alloy
Published 2025-07-01“…In the forged state, the alloy exhibits an equiaxed grain structure. When the Fe content is 0.1 wt%, the grain size increases to 31.39 μm, and when the Fe content is 0.6 wt%, the grain size decreases to 13.76 μm. …”
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5592
Comparative analysis of chloroplast genomes in three Araceae species: genomic difference, genetic distance and species morphology association
Published 2025-04-01“…Therefore, chloroplast genomes can serve as one of the basis for species evolution and are extremely important for individual material accumulation. …”
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5593
Rhizosphere Bacteria, Rather Than Benthic Bivalve Symbionts, May Facilitate Seagrasses
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5594
Effect of trace silver addition on microstructure and properties of Cu-0.45Cr-0.1Zr alloy
Published 2024-11-01“…The addition of Ag had little influence on the precipitation process of Cu–Cr–Zr alloy during aging: Cr particles transitioned from GP zones to face-centered cubic (fcc) structure and finally stabilized in body-centered cubic (bcc) structure, however, the composition of Zr precipitates changed after Ag doping. …”
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5595
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5596
Construction of Ancestral Chromosomes in Gymnosperms and the Application in Comparative Genomic Analysis
Published 2025-08-01“…Chromosome rearrangements during plant evolution can lead to alterations in genome structure and gene function, thereby influencing species adaptation and evolutionary processes. …”
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5597
Population genetic diversity of Schistosoma japonicum arises from the host switching in the life cycle.
Published 2025-03-01“…Host species and sampling number significantly affect the distribution pattern of alleles and the genetic structure of S. japonicum at the suprapopulation level.…”
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5598
Three-Dimensional Time: A Mathematical Framework for Fundamental Physics
Published 2025-01-01“…The framework introduces a metric structure with three temporal and three spatial dimensions, preserving causality and unitarity while extending standard quantum mechanics and field theory. …”
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5599
Microstructure stability of GH4169 and GH4169C alloys with high content of phosphorus and niobium
Published 2016-09-01“…The re-sults indicate that, at the service temperature of 650℃, GH4169 alloy and GH4169C alloy show excellent structure stability. Howev-er, above the service temperature, GH4169 alloy and GH4169C alloy have poor structure stability. …”
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5600
Zinc-Decorated and Nitrogen-Functionalized Hierarchical Porous Carbons for Carbon Dioxide Capture
Published 2025-05-01“…The crystallinity evolution of the samples changed from the typical ZIF-8 structure to having features of graphite carbons upon heating. …”
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