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461
Field tests of CO2 huff-n-puff technology in Nanchuan normal-pressure shale gas field
Published 2025-03-01“…Based on pressure monitoring during the injection and soaking stages of two wells over three rounds of CO2 injection, CO2 mainly concentrated in the near-well micro-fractures. The diffusion distance, generally not exceeding 70 m, was related to formation pressure and the conductivity of fracture network. …”
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462
Clean 1H NMR Spectra of Products Directly from Batch and Flow Reaction Mixtures
Published 2025-05-01“…Herein, it is shown how the multiway analysis of time‐resolved diffusion NMR data can yield the clean spectrum of newly formed compounds, for a selection of click reactions carried out in batch and in flow, when monitored by flow NMR. …”
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463
The Diagnostic Value of DCE-MRI Combined with DWI in Different Pathological Types of Uterine Fibroids
Published 2025-05-01“…In cases of multiple fibroids, the one with the largest volume was selected for analysis. Fibroids were confirmed in all patients using postoperative pathology, and were categorized into common (27 cases), rich-cell (6 cases), and degenerative (17 cases) types. …”
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464
A novel 2D MTMHM based key generation for enhanced security in medical image communication
Published 2025-07-01“…The generated random key sequences trigger the proposed medical image encryption algorithm, which integrates a shuffling-diffusion process. The shuffling unit of the proposed medical image encryption scheme consists of three distinct phases: row-wise shuffling, column-wise shuffling, and selective shuffling based on cut-off points. …”
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465
Improving bonding strength of W/Cu dual metal interface through laser micro-structuring method
Published 2024-09-01“…Selective laser melting (SLM) is a promising technology for fabricating complex components with W/Cu dual metal. …”
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466
Role of electrode materials in resistive switching mechanisms of oxide-based memristors for enhanced neuromorphic computing: A comprehensive study
Published 2025-12-01“…Our systematic analysis of drift, diffusion, and Soret flux mechanisms provides deeper insight into CF formation, stability, and device reliability. …”
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467
Antimicrobial Susceptibility of <i>Escherichia coli</i> Isolates Causing Community-Acquired Urinary Tract Infections: Comparison of Methods
Published 2025-01-01“…Both automated methods showed discrepancies compared to the disk diffusion method under CLSI and BrCAST guidelines. …”
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468
Research on Speciation and Bioavailability of Chromium in Environment and Analysis Techniques: A Review
Published 2025-05-01“…However, the practical application needs to be selected according to the purpose and scenario. Furthermore, advanced detection methods such as diffusive gradient in thin-films (DGT), X-ray absorption fine structure spectroscopy (XAFS), machine learning, and gene sequencing are summarized, which are based on a deeper understanding of the factors affecting Cr valence. …”
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469
DKI and 1H-MRS in angiogenesis evaluation of soft tissue sarcomas: a prospective clinical study based on MRI-pathology control method
Published 2024-12-01“…Methods 23 patients with soft tissue sarcomas (STSs) confirmed by pathology were selected, underwent DKI and 1H-MRS at 3.0T MRI. The DKI parameters mean diffusivity (MD), mean kurtosis (MK), kurtosis anisotropy (KA), and 1H-MRS parameters choline (Cho), lipid/lactate (LL) were measured by two radiologists. …”
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470
Numerical Analysis of Sensitivity of SAW Structure to the Effect of Toxic Gases
Published 2016-09-01“…The main aim of the investigation was to study thin film interaction with target gases in the SAW sensor configuration based on simple reaction-diffusion equation. The results of the numerical analysis allow to select the sensor design conditions, including the morphology of the sensor layer, its thickness, operating temperature, and layer type. …”
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471
Particular aspects of determining reliability indicators of thermoelectric generator modules using experimental data
Published 2022-06-01“…Therefore, the aim of this paper is to find or select from among the existing such a failure time distribution law, which would clearly take into account the scattering of the rates of relative degradation of the parameters of thermoelectric generator modules. …”
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472
Altered interhemispheric connectivity in Huntington’s Disease
Published 2024-01-01Get full text
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473
Experimental study on supercritical CO2 huff-n-puff process for mid-deep heavy oil reservoirs
Published 2025-08-01“…To address the unclear mechanism of CO2 injection, unoptimized huff-n-puff development parameters, and lack of experimental research support in the study area, the mid-deep heavy oil reservoir in the Bei 10 well block of Xinjiang oilfield was selected as the research object. Experiments were conducted to investigate CO2 diffusion in crude oil, supercritical CO2 extraction of heavy oil, and the high-temperature and high-pressure long-core huff-n-puff tests, aiming to elucidate the mechanisms of CO2 injection in heavy oil reservoirs and the efficient CO2 huff-n-puff development mechanisms. …”
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474
The Effect of SLM Spreader Structures on the Powder Spreading Dynamics Mechanism of Diamond Tools
Published 2025-01-01“…ObjectiveSelective laser melting (SLM)technology provides a new approach for the integratedmanufacture of metal-matrix diamond tools with structural and functional integration, which has drawn alot of interest from the academic and technicalcommunities. …”
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475
Primary hepatic gastrinoma being diagnosed preoperatively: a case report and literature review
Published 2020-11-01“…The tumor showed hypointensity on T2-weighted and hyperintensity on diffusion-weighted abdominal contrast-enhanced magnetic resonance imaging. …”
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476
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478
A facility for thermo-mechanical characterization of fusion magnet materials during cryogenic ion irradiation
Published 2025-01-01“…Understanding how thermo-mechanical properties evolve under these conditions is crucial for selecting materials with high radiation tolerance and predictable failure mechanisms. …”
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479
THE INCIDENCE OF THE ISCHEMIC BRAIN MICROLESIONS AFTER CAROTID ARTERY STENTING
Published 2018-03-01“…Material and methods. 84 patients with carotid artery stenosis undergoing carotid angioplasty with stenting (CAS) in a specialized medical center, between 2013 and 2016, were examined. All patients had diffusion-weighted magnetic resonance imaging before and after treatment for the detection of new periprocedural ischemic brain microlesions. …”
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480
Co‐Doping Approach for Enhanced Electron Extraction to TiO2 for Stable Inorganic Perovskite Solar Cells
Published 2025-07-01“…Using 2D drift‐diffusion simulations, it is found that co‐doping reduces the interface hole recombination velocity by two orders of magnitude, increasing the concentration of extracted electrons by 20%. …”
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