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1261
A Theoretical and Experimental Study on Esterification of Citric Acid with the Primary Alcohols and the Hydroxyl Groups of Cellulose Chain (n = 1-2) in Parched Condition
Published 2020-01-01“…Esterification of citric acid (CA) with the primary alcohols and the hydroxyl groups of cellulose chain (n = 1-2) in parched condition were investigated by using density functional theory (DFT) method and a two-layer ONIOM approach. Geometry and energy of reactants, products, and transition state (TS) structures were optimized at B3LYP/6-311g (d, p) level and ONIOM (B3LYP/6-311g (d, p):PM3MM) level. …”
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1262
Seismic Methods in Geothermal Water Resource Exploration: Case Study from Łódź Trough, Central Part of Poland
Published 2019-01-01“…An important advantage of the seismic survey is that they may support the selection of an optimal location of geothermal investment and determination of the geometry of geothermal aquifer. Furthermore, the application of geophysical methods can significantly contribute to the reduction of estimation error of groundwater reservoir temperature.…”
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1263
A Study on the Effect of Ladle Structures and Stirrer Positions on the Internal Flow Field in the Hot Metal Desulfurization Process
Published 2025-01-01“…The geometry of the ladle bottom and the position of stirring paddles during hot metal stirring significantly influence hydrodynamic characteristics, thereby affecting desulfurization efficiency. …”
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1264
Structural Design of Mechanical Property for Biodegradable Polymeric Stent
Published 2019-01-01“…In addition, the effects of the stent geometries on these mechanical properties have also been discussed in detail. …”
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1265
In Vitro Evaluation of Bacterial Leakage at Implant-Abutment Connection: An 11-Degree Morse Taper Compared to a Butt Joint Connection
Published 2016-01-01“…Background and Aim. The geometry of implant-abutment interface (IAI) affects the risk of bacterial leakage and invasion into the internal parts of the implant. …”
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1266
On expansions for nonlinear systems Error estimates and convergence issues
Published 2023-01-01“…In particular, intrinsic formulas allowing to decouple time-dependent features from geometry-dependent features of the solution have been extensively studied.First, we give a didactic review of classical expansions for formal linear differential equations, including the celebrated Magnus expansion (associated with coordinates of the first kind) and Sussmann’s infinite product expansion (associated with coordinates of the second kind). …”
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1267
Analysis of a D-Shaped Photonic Crystal Fiber Sensor with Multiple Conducting Layers
Published 2025-02-01“…Our investigation encompassed a comprehensive theoretical modeling and analysis, aiming to unravel the intricate relationship between material composition, sensor geometry, and spectral response. By scrutinizing the sensing properties offered by each material, we laid the groundwork for designing multiplasmonic resonance sensors. …”
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1268
A New Approach for Studying Bond Rupture/Closure of a Spiro Benzopyran Photochromic Material: Reactivity Descriptors Derived from Frontier Orbitals and DFT Computed Electrostatic P...
Published 2016-01-01“…For this compound, DFT optimized geometry could be used to predict photochromism. Furthermore, in an attempt to predict the driving force for MC → SP, this work explores, for the first time, profitable exploitation of the calculated and visualized mapped electrostatic potential energy surfaces (ESP map). …”
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1269
Micro- and Nanoscale Pore Structure Characterization of Carbonates from the Xiaoerbulake Formation in the Tarim Basin, Northwest China
Published 2021-01-01“…The evaluation of pore structure is an essential part in the assessment of carbonate reservoirs. The structures (geometry and connectivity) of nm to μm-scale pore networks in outcrop samples of carbonates from Xiaoerbulake Formation in Tarim Basin of China were studied by using optical microscopy, field emission-scanning electron microscopy (FE-SEM), as well as mercury intrusion porosimetry (MIP) with fractal analyses of the data, and spontaneous imbibition tests (distilled water). …”
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1270
Numerical simulation of MHD Sakiadis flows of convectively heated thixotropic nanofluids in a porous medium using revised transport laws and Wakif-Buongiorno's model
Published 2025-03-01“…Due to the particular inability of Fourier's and Fick's laws in the realistic quantification of transfer processes that can occur certainly within a flowing biphasic mixture, on the one hand, and the explanation of the memory relaxation features of such a non-homogenous medium, on the other hand, the present scrutinization intends to propose a representative biphasic flow model to reveal the principal demeanors of convectively heated thixotropic nanofluids during their steady two-dimensional flows in the laminar regime over a stretching planar geometry in a Darcy-Forchheimer porous medium under the magnetic impact of an external electromagnetic device. …”
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1271
Fractal Study on the Failure Evolution of Concrete Material with Single Flaw Based on DIP Technique
Published 2022-01-01“…In order to study the failure characteristics of shotcrete body during the process of using shotcrete bolt mesh support in the deep fractured rock mass of Lannigou Gold Mine, this paper combined the Digital Image Processing Technique (DIP) and RFPA2D (Rock Failure Process Analysis System) to establish a real meso-structure numerical model of concrete with different inclination angle cracks, simulating its crack propagation law and failure process, and studied the influence of crack geometry distribution and meso-heterogeneity on the effect of concrete structure. …”
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1272
How is Logical Analysis Viable?
Published 2024-12-01“…This distincive conception has been specified under a few various rubrics, such as paraphrastic or transformative-interpretive analysis, to separate it not only from the decompositional but the regressive conception as well, the latter characterizing the analysis-synthesis method of ancient Greek geometry. The present paper first locates logical analysis (as a philosophical method) in this picture, by proposing to define it as a definite kind of paraphrastic (or transformative/interpretive) analysis, the kind where the language in the analysans position is a logical language. …”
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1273
Investigation of Complex Characteristics of Waterjet Propulsion Device with Intake Grid
Published 2021-01-01“…Therefore, this study discussed the complex features of the circular, rectangular, and streamlined intake grid. Consistent geometry size of the intake grid mentioned above is to be maintained to guarantee the identical flow capacity at the entrance of inlet duct. …”
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1274
Semiempirical Efficiency Calibration in Semiconductor HPGe Gamma-Ray Spectroscopy
Published 2018-01-01“…One of the main problems in quantitative gamma-ray spectroscopy is the determination of detection efficiency, for different energies, source-detector geometries, and composition of samples or sources. There are, in principle, three approaches to this issue: experimental, numerical, and semiempirical. …”
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1275
Optical wave features and sensitivity analysis of a coupled fractional integrable system
Published 2025-01-01“…The Akbota equation, is a basic tool for investigating nonlinear phenomena in optics, differential geometry of curves, and magnetism. The optical wave solutions are extracted in the forms of different solitary waves as well as periodic, hyperbolic exponential function solutions. …”
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1276
Translating Building Information Modeling to Building Energy Modeling Using Model View Definition
Published 2014-01-01“…The approach (BIM2BEM) has been developed using a data modeling method to enable seamless model translations of building geometry, materials, and topology. Using data modeling, we created a Model View Definition (MVD) consisting of a process model and a class diagram. …”
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1277
Probing DCV5T-Me for Organic Photovoltaics: A Comprehensive DFT and NEGF Study
Published 2025-06-01“…This study presents a detailed computational analysis of the DCV5T-Me molecule to evaluate its potential for organic photovoltaic (OPV) applications. The optimized geometry demonstrates a stable donor-acceptor structure with well-aligned molecular orbitals conducive to charge transfer. …”
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1278
The functional voxel algorithm for iterative composition of complex contours
Published 2023-06-01“…The analytical representation most accurately describes the geometry of the simulated objects. However, its application is associated with a number of difficulties. …”
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1279
Recent Tectonic Deformation of the Lunar Farside Mare and South Pole–Aitken Basin
Published 2025-01-01“…Furthermore, the exact timing of SMR formation and the geometry of the associated fault structures remain poorly constrained. …”
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1280
EEG reveals brain network alterations in chronic aphasia during natural speech listening
Published 2025-01-01“…Differences in network geometry were assessed by means of graph theory and a targeted node-attack approach. …”
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