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Pore Structure Evolution Characteristics and Damage Mechanism of Sandstone Subjected to Freeze–Thaw Cycle Treatment: Insights from Low-Field Nuclear Magnetic Resonance Testing and Fractal Theory
Published 2025-05-01“…To investigate the pore structure evolution characteristics and damage mechanism of sandstone subjected to treatment with freeze–thaw cycles, quantitative analyses were conducted on the longitudinal wave velocity (LWV) and <i>T</i><sub>2</sub> spectrum of sandstone before and after 10, 20, 30, and 40 freeze–thaw cycles, using longitudinal wave velocity testing, low-field nuclear magnetic resonance (NMR) testing, and fractal theory. …”
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Spatial structure facilitates evolutionary rescue by drug resistance.
Published 2025-04-01“…Bacterial populations often have complex spatial structures, which can impact their evolution. Here, we study how spatial structure affects the evolution of antibiotic resistance in a bacterial population. …”
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565
Smart and Sustainable Technologies in Present and Future Parking Structures
Published 2025-01-01“…The analysis reveals how the evolution of parking structures has significantly influenced urban planning and improved transportation system efficiency, underscoring their crucial role in modern urban development. …”
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Photonic Structures in Biology: A Possible Blueprint for Nanotechnology
Published 2014-01-01“…In this review, we will discuss important aspects of the design, formation and evolution of the structures embedded in beetle exoskeletons that are responsible for their striking colouration. …”
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THE PATTERN OF ENTERPRISE ORGANIZATIONAL STRUCTURE DEVELOPMENT: LESSONS OF HISTORY
Published 2017-09-01“…Through analyzing the research done by leading academics of different countries the article demonstrates that organization development is always accompanied by repeated changes in their organizational structure. The author puts forward the hypothesis that such changes in the structure are regular and typical of the majority of organizations, whose evolution aims at efficiency improvement. …”
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568
Structure of the Mesozoic rocks in the Kuqa Basin (NW China)
Published 2025-06-01“… The deformation of sub- and supra-salt structures in the Kuqa Basin exhibits a clear decoupling relationship. …”
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569
On deformations of AdS3 solutions, supersymmetry and G-structures
Published 2025-07-01“…Using the formalism of G-structures, we systematically characterise the resulting geometries and track the evolution of their supersymmetric properties under the deformation. …”
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570
Development and Application of Digital Twin Technique in Steel Structures
Published 2024-12-01“…Steel structures face significant challenges in long-term maintenance because of complex and unstable service environments. …”
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571
Chemical Approaches for Structure and Function of RNA in Postgenomic Era
Published 2012-01-01“…Presently, snRNA research is making progresses involved in enzymology of snRNA modifications, molecular evolution, mechanism of spliceosome assembly, chemical mechanism of intron removal, high-order structure of snRNA in spliceosome, and pathology of splicing. …”
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572
CAPITAL STRUCTURE STRATEGIES OF MNCS DURING ECONOMIC DOWNTURNS
Published 2025-01-01“… This study provides an in-depth examination of financial decision-making in multinational corporations (MNCs) during economic downturns, with a focus on capital structure strategies and their evolution in response to financial crises. …”
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573
Three-dimensional structure, crystallography, and magnetism of giant magnetofossils
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574
Research Progress on Composite Structure of Warships in Impact Protection
Published 2025-02-01“…This paper reviewed the research progress in impact protection structures of warships, particularly focusing on the evolution from traditional homogeneous protection structures to multilayer composite protection structures. …”
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Analysis of Cone-Induced Oblique Detonation Wave Structure
Published 2025-07-01“…This study investigated the structural evolution of cone-induced oblique detonation waves using a three-dimensional multicomponent compressible flow framework. …”
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PROGRESSIVE COARTICULATION AND EMPHATIC STRESS IN RUSSIAN VCV STRUCTURES
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577
Effect of acidification on micro structure and adsorption characteristics of coal
Published 2025-06-01“…The influence of acid solution on the pore structure and molecular structure of coal was deeply analyzed, and the evolution mechanism of coal adsorption characteristics under acidification was explored based on the experimental results. …”
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Effects of Nutrients on the Phytoplankton Community Structure in Zhanjiang Bay
Published 2025-06-01“…This study demonstrates how changes in nutrient structure alter the community structure of phytoplankton, providing new insights into deepening our understanding of eco-environmental evolution.…”
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On the Structure of Rationality in the Thought and Invention or Creation of Physical Theories
Published 2011-05-01“… We want to consider anew the question, which is recurrent along the history of philosophy, of the relationship between rationality and mathematics, by inquiring to which extent the structuration of rationality, which ensures the unity of its function under a variety of forms (and even according to an evolution of these forms), could be considered as homeomorphic with that of mathematical thought, taken in its movement and made concrete in its theories. …”
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Velocity Structure and Molecular Formation in the Polaris Molecular Cloud
Published 2025-01-01“…While virial analysis suggests that the entire cloud is gravitationally unbound, we identified several filamentary structures extending from the main cloud body. These filaments show systematic velocity gradients of 0.5–1.5 km s ^−1 pc ^−1 , and analysis of the velocities shows that the molecular gas within them is falling toward the main cloud body, following a freefall model. …”
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