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31841
Nonlinear dynamic evolution of a novel normalized time-fractional Burgers equation
Published 2025-03-01“…The classical Burgers equation is a basic partial differential equation (PDE) applied to model many physical phenomena such as traffic flow, gas dynamics and fluid dynamics, while the time-fractional Burgers equation is a modified form incorporating a fractional derivative in time to model diffusion and non-linear wave phenomena with memory effects. …”
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31842
Dynamic regimes in planetary cores: $\tau $–$\ell $ diagrams
Published 2024-05-01“…The equilibria governing the strength of the magnetic field produced by the dynamo effect, the organisation and amplitude of the flow, and those of the density field, remain debated despite remarkable progress made in their numerical simulation. …”
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31843
Development of a Novel Sensor System Based on Magnetic Microspheres to Detect Cardiac Troponin T
Published 2020-01-01“…After rapid removal of heterogeneous elements in the sera using a magnetic separator, fluorescein isothiocyanate-labeled immunoglobulin G is added to react with specific antibodies on the magnetic microspheres. Then, a flow cytometer is used to collect signals of different fluorescence intensities. …”
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31844
Directions of Price Transmission on the Diesel Oil Market in Poland
Published 2025-01-01“…However, the causality between wholesale and retail prices is bilateral, with a stronger flow of impulses from retail prices to wholesale prices than vice versa. …”
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31845
Hydrodynamic Characteristics and Pollutant Shifting Law of Shuangfengsi Reservoir under Flood Process
Published 2022-01-01“…This paper aims to provide a theoretical basis for effective control of water pollution and technical support for joint simulation and control of reservoir hydrodynamic and water quality.It takes Shuangfengsi Reservoir as the research object and builds a hydrodynamic and water quality coupling model in virtue of MIKE21 to simulate the hydrodynamic characteristics and pollutant migration rule of a typical flood process in 1962.The output results show that in a typical flood process,the change of flow field in the reservoir area leads to drastic fluctuation of pollutant concentration.As the flood process progresses,the change curves of BOD and DO concentration are similar.Pollutant concentration drops rapidly at the initial stage of the flood,and when it drops to a certain value,the descending slope suddenly slows down until the end of the process.The change curves of NH<sub>4</sub> and PO<sub>4</sub> concentrations are similar.At the early stage of the flood,the concentrations at three points show an upward trend.As the point is further away from the storage location,the concentration increases faster and longer,and it rapidly decreases after rising to the highest point.The change curve of NO<sub>3</sub> concentration is special.It shows a transient stable trend when the flood comes,and then increases abruptly to the maximum value of 2.5 mg/L and fluctuates up and down around it.The migration of pollutants in the reservoir area under the action of flood will change with the flood process.…”
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31846
WhatsApp and English Learning: Students’ Perceptions and Challenges in Pandemic Era
Published 2021-07-01“…The interview data were analyzed using the Miles and Huberman flow model. The results showed that students used social media to learn and improve their English skills. …”
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31847
Verticalization of data sharing and the difficult path to eunnovation
Published 2023-10-01“…EU law has a rich tradition in enabling business-to-business data sharing in a sector-specific (or vertical) fashion, which has formed the basis of the quest for an internal market where data flows freely. Two recent legislative instruments, the Digital Markets Act and the Data Act, contain industry- and actor-specific data sharing provisions. …”
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31848
Case Study of Urban Stormwater Simulation in Foshan Based on Urban Time-Variant Gain Model
Published 2023-01-01“…The prerequisite for urban stormwater simulation and analysis is to accurately grasp urban rainfall-runoff response laws.This paper analyzes the nonlinear response law of rainfall-runoff and builds a TVGM-urban model to simulate and analyze the measured rainfall and storm scenarios designed under different recurrence periods by taking the Baolitongjifu neighborhood in Chancheng District,Foshan as the research object.The results are as follows.There is a power function correlation between rainfall and runoff in the city.The non-linear relationship between maximum rainfall intensity and peak flood flow can be verified by eight selected flood data in the neighborhood with the fitting effect of the power function (R<sup>2</sup>=0.6207,p<0.05) better than that of the linear relationship (R<sup>2</sup>=0.5629,p<0.05).Based on the identification of the catchment area and the subsurface classification,the TVGM-urban model is built in the Baolitongjifu neighborhood,and the model accuracy is verified by the measured rainfall and runoff data.Generally,the simulation results ensure that the Nash efficiency coefficient is greater than 0.7,and the simulation error of the water volume and peak value is within 20%,which can well meet the urban stormwater simulation requirements.The results can provide support and references for analyzing urban rainfall and runoff response laws and studying urban stormwater simulation.…”
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31849
A Unique Case of Incomplete Bifid Ureter and Associated Arterial Variations
Published 2021-01-01“…Compression of renal and ovarian vasculature can result in altered blood flow to the kidney and ovary, potentially causing fibrosis, atrophy, or organ failure. …”
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31850
N-3 Polyunsaturated Fatty Acids Stimulate Bile Acid Detoxification in Human Cell Models
Published 2018-01-01“…BA-induced toxicity was evaluated using caspase-3 and flow cytometry assays. Gene expression analyses of HepG2 cells reveal that n-3 PUFAs reduce the expression of genes involved in BA synthesis (CYP7A1, CYP27A1) and uptake (NTCP), while activating genes encoding metabolic enzymes (SULT2A1) and excretion transporters (MRP2, MRP3). …”
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31851
Case report of familial hypercholesterolemia with internal carotid neck swelling
Published 2025-01-01“…Then USG neck and Color Doppler showed reduced diastolic flow of left ICA and type two plaques and type 111 plaque in Rt common carotid artery. …”
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31852
ROKAT PANDHABAH TRADITION AND THE DIALECTICS OF THE QUR’AN: A STUDY OF THE LIVING QUR’AN IN MADURA
Published 2023-06-01“…This study uses a qualitative method of phenomenological type, a research flow that produces descriptive data in the form of written or spoken words from the people observed. …”
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31853
Time series predictions in unmonitored sites: a survey of machine learning techniques in water resources
Published 2025-01-01“…Yet, the need to have widespread predictions of hydrological variables such as river flow and water quality has become increasingly urgent due to climate and land use change over the past decades, and their associated impacts on water resources. …”
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31854
Numerical Investigation of Performance Improvement and Erosion Characteristics of Vortex Pump Using Particle Model
Published 2020-01-01“…The performance after optimization is significantly improved compared with the original prototype. At design flow rate, the efficiency of the vortex pump increases by 3.24%, while the efficiency increases by 2.59% and 6.24% at 0.8Qd and 1.2Qd, respectively. …”
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31855
Preventive activity of police bodies: realities and challenges in the conditions of martial law
Published 2022-12-01“…In particular, these are changes in the trends and structure of illegal activity in the country; the growth of migration flows, both of an internal and external nature; increase in the number of firearms in civilian circulation; activation of social movement; the need for the police to perform a number of previously uncharacteristic tasks, etc. …”
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31856
Study on the structure characterization and moisturizing effect of Tremella polysaccharide fermented from GCMCC5.39
Published 2021-07-01“…FTPS-1 and FTPS-2 were obtained after purification by DEAE-Sepharose Fast Flow Column. The molecular weights of FTPS-1 and FTPS-2 were 25 722 and 177 263 Da. …”
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31857
False-Negative CSF Cryptococcal Antigen with Cryptococcus gattii Meningoencephalitis in Southeastern United States: A Case Report and Literature Review
Published 2020-01-01“…Opening pressure was 15 cm of H20. CSF lateral flow assay was negative for cryptococcal antigen; CSF cultures showed no growth. …”
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31858
Numerical Simulation on Mesoscale Mechanism of Seepage in Coal Fractures by Fluid-Sloid Coupling Method
Published 2021-01-01“…The distribution of velocity and pressure under fluid-solid coupling was obtained, and furthermore, the seepage flow flux and an equivalent permeability of the whole model were calculated. …”
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31859
Validation and Application of a New Reversed Phase HPLC Method for In Vitro Dissolution Studies of Rabeprazole Sodium in Delayed-Release Tablets
Published 2013-01-01“…The mobile phase consisted of buffer: acetonitrile at a ratio of 60 : 40 (v/v), and the flow rate was maintained at 1.0 mL/min. The method was validated in terms of suitability, linearity, specificity, accuracy, precision, stability, and sensitivity. …”
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31860
Implications of high-resolution velocity and strain rate observations for modelling of Greenlandic tidewater glaciers
Published 2024-01-01“…Synthetic Aperture Radar (SAR) has been used extensively to determine the surface ice flow velocity of tidewater glaciers and investigate changes in seasonal or annual ice dynamics at medium spatial resolution (⩾100 m). …”
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