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50241
Early Warning Method and Model of Inland Ship Collision Risk Based on Coordinated Collision-Avoidance Actions
Published 2020-01-01“…A framework of early warning model of inland ship collision risk was created based on the early warning method; a collision risk early warning model for inland ships based on coordinated collision-avoidance actions was proposed according to the relationship between the distance/time to the closest point of approach (DCPA, TCPA), coordination degree of collision-avoidance actions of the two considered ships and collision risk; moreover, the early warning model of inland ship collision risk was further considered for quantitative calculation. …”
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50242
An investigation on the feasibility of applying MODIS snow cover products in cloudy weather by the employment of its integration with microwave images
Published 2015-09-01“…Variation of snow cover area (SCA) in small to large scale catchment can be studied using MODIS snow products on daily to montly time step since the year 2000. However, one of the major problems in applying the MODIS snow products is cloud obscuration which limits the utilization of these products. …”
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50243
Quantitative <sup>31</sup>P NMR Spectroscopy: Principles, Methodologies, and Applications in Phosphorus-Containing Compound Analysis
Published 2024-12-01“…Additionally, this work explores diverse applications of <sup>31</sup>P qNMR across fields such as food analysis, pharmaceuticals, and biology, emphasizing its contributions to real-time drug quantification, metabolomics, and environmental analysis. …”
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50244
Metabolomic profiling of amines in sepsis predicts changes in NOS canonical pathways.
Published 2017-01-01“…<h4>Methods and measurements</h4>34 amino acids were measured using ultra purification mass spectrometry in the plasma of septic patients (n = 38) taken at the time of diagnosis and 24-72 hours post diagnosis and of healthy volunteers (n = 21). …”
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50245
Improving Passivation Process of Si Nanocrystals Embedded in SiO2 Using Metal Ion Implantation
Published 2013-01-01“…We have selected different atmospheres (air, H2/N2 and Ar) to study the relevance of these annealing gases on the final PL from Si-NCs after metal ion implantation. Studies of PL and time-resolved PL indicate that passivation process of surface defects on Si-NCs is more effective when it is assisted by ion metal implantation.…”
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50246
Research on Bogie Frame Lateral Instability of High-Speed Railway Vehicle
Published 2018-01-01“…For the rail which has not been grinded for a long time, the wear of gauge corner and wide-worn zone is relatively severe; the matching equivalent conicity is 0.31-0.4 between the worn rail and the concave-worn-tread wheel set. …”
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50247
High-Power MHz to 100s of GHz Circuits and Systems for Nuclear Fusion Reactors With Examples From SST-1 and ITER
Published 2024-01-01“…They launch TEM, TE10, and HE11 modes to rapidly fluctuating plasma loads through various antenna modules with real-time matching, positioning, and beam steering capabilities. …”
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50248
Predictors of the occurrence of cardiovascular events in patients with atrial flutter during long-term follow-up
Published 2019-10-01“…In the second group hemodynamic disorders were more frequently observed in the index episode (17.1 % vs. 3.5 %, p = 0.03) and sinus rhythm was less frequently recorded at the time of discharge from hospital 20 (48.7 %) vs 58 (68.2 %), p = 0.049) compared to patients without complications. …”
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50249
Raw Camera Data Object Detectors: An Optimisation for Automotive Video Processing and Transmission
Published 2025-01-01“…This conversion to RGB requires computational resource, time, power, and increases by a factor of three the amount of output data. …”
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50250
Efficacy And Safety Of Low Dose Tofacitinib As Induction Therapy In Moderate To Severe Ulcerative Colitis: A Pilot Study
Published 2024-12-01“…Conclusion: Low-dose Tofacitinib is an effective option in the treatment of moderate to severe ulcerative colitis offering efficacy comparable to biologics with lesser side effects, no loss of efficacy over time and cost-effectiveness Keywords: Ulcerative Colitis, Inflammation. …”
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50251
Sliding Mode Control for Variable-Speed Trajectory Tracking of Underactuated Vessels with TD3 Algorithm Optimization
Published 2025-01-01“…Finally, the Twin-Delayed Deep Deterministic Policy Gradient (TD3) algorithm is employed for real-time controller parameter tuning. Numerical simulation results demonstrate that the proposed method significantly improves the trajectory tracking accuracy and dynamic response speed of the underactuated vessel. …”
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50252
An FPGA-Based Omnidirectional Vision Sensor for Motion Detection on Mobile Robots
Published 2012-01-01“…Synthesis results show that the system can achieve a throughput of 26.6 processed frames per second and the performance analysis pointed out that the overall architecture achieves a speedup factor of 13.78 in comparison with a PC-based solution running on the real-time operating system xPC Target.…”
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50253
Phase Transformation, Microstructures, and Mechanical Properties of α + β Two-Phase Titanium Alloy Deposited Metal by Surfacing Welding
Published 2022-01-01“…The results showed that primary α phase began to appear at grain boundaries when the deposited metal was heated to 890.5°C, and microstructures were all composed of coarse β columnar grains after the temperature was raised to 1 190.2°C; with the increase of cooling rate during the cooling process, temperature for starting new phase transformation decreased from 943.7°C to 811.1°C, and temperature for ending the transformation increased gradually from 708.0°C to 736.2°C; when cooled to room temperature at a rate of 1°C/s, microstructures consisted of α phase; at a rate of 15°C/s, acicular α′ martensite appeared in the microstructures; at 100°C/s, the microstructures were completely comprised by acicular α′ martensite; when the cooling rate was low, V element would be slightly precipitated from αgb into the matrix; when cooling turned faster, V element had no time to enter the matrix by diffusion, so it became uniformly distributed; as the cooling rate getting faster, lamellar microstructures became thinner gradually, and microhardness of the deposited metal was improved in a gradual manner.…”
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50254
Remdesivir-induced severe hypoglycemia in an elderly man without diabetes: a case report
Published 2025-01-01“…On day 8 and 9 he repeatedly developed severe hypoglycemia following administration of remdesivir. Considering the timing of administration, the patient’s hypoglycemia could have been caused by remdesivir. …”
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50255
swaRmverse: An R package for the comparative analysis of collective motion
Published 2025-01-01“…We describe the package's structure and showcase its functionality using existing datasets from several species and simulated trajectories from an agent‐based model. From positional time‐series data for multiple individuals (x‐y‐t‐id), swaRmverse identifies events of collective motion based on the distribution of polarisation and group speed. …”
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50256
Research on Friction Stir Spot Welding Brazing Process and Properties of Dissimilar Metals DP590 and 6061
Published 2020-01-01“…The results showed that the shear load of the joint could reach 13.239 kN when the rotating speed, depth, and residence time of the mixing head were 1000 r/min, 0.2 mm, and 90 s, respectively. …”
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50257
Removal of microplastics by algal biomass from aqueous solutions: performance, optimization, and modeling
Published 2025-01-01“…Data analysis indicated that QM best described the experimental findings, leading to the identification of optimal conditions for PS removal: a pH of 7.5, a reaction time of 31.90 min, a C. vulgaris dosage of 274.05 mg/L, and a PS level of 789.37 mg/L. …”
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50258
SARS-CoV-2 positivity rates in tear secretions of inpatient COVID-positive individuals in an Indian tertiary care setting
Published 2025-02-01“…This study aimed to determine the presence of SARS-CoV-2 RNA in tears as detected by real-time polymerase chain reaction (RT-PCR), among individuals who tested COVID-positive during the third wave of the COVID pandemic. …”
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50259
Digitalization of the Educational Environment: Risk Assessment of Distance Education by Russian and Vietnamese Students
Published 2021-01-01“…Among the micro factors are the cognitive and other psychological characteristics of the students, the socio-psychological openness to innovation.According to the survey results, there is certain similarity in the way Russian and Vietnamese students assess their experience of distance learning. At the same time, significant differences in the perception of the outcome of the digital transformation of education have been revealed. …”
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50260
Partial substitution of coal with palm kernel in cement kilns: effects on cement production and quality
Published 2023-12-01“…Traditional fossil fuels such as coal, petroleum coke and natural gas have been used as primary source of energy for the process, though still abundant, their supply is slowly being depleted, and costs associated with obtaining these fuels are increasing with time. Therefore, alternative fuels such as biomass waste (palm kernel, rice, and coffee husks etc.) or processed waste materials (refuse derived fuel, waste tires, waste plastics, used oil etc.) and other types of waste have gained much interest recently in cement industries as they present a potential substitution option. …”
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