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801
STUDY ON REMOVAL MECHANISM OF SINGLE-CRYSTAL SILICON BY PLASMA DISCHARGE (MT)
Published 2023-01-01“…In the water-based working fluid medium with pulse voltage more than 100 V, the high impedance state isolation vapor layer breaks down due to the small curvature convergence of electron flux and induces an oxygen plasma channel. …”
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802
Adsorption of Phenol from Aqueous Solution onto Fly Ash from a Thermal Power Plant
Published 2009-04-01“…The object of the work describe herein was to assess the phenol adsorption capacity of fly ash under varying experimental conditions such as adsorbent dosage, pH, varying phenol concentration and contact time. The study showed that, at a phenol concentration of 100 mg/ℓ, the percentage removal of phenol was 95.69% at an optimum dosage of 7 g/ℓ fly ash. …”
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803
Machine learning photodynamics decode multiple singlet fission channels in pentacene crystal
Published 2025-01-01“…Abstract Crystalline pentacene is a model solid-state light-harvesting material because its quantum efficiencies exceed 100% via ultrafast singlet fission. The singlet fission mechanism in pentacene crystals is disputed due to insufficient electronic information in time-resolved experiments and intractable quantum mechanical calculations for simulating realistic crystal dynamics. …”
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804
Factors influencing food security among fishermen households in West Java
Published 2025-01-01“…Methods: This study employs a cross-sectional study consisting of 100 fisherman households selected using random sampling techniques. …”
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805
Determination of coupled sway, roll, and yaw motions of a floating body in regular waves
Published 2004-01-01“…All three motions show harmonic behavior and attain dynamic equilibrium for time t>100 seconds. The mathematical approach presented here will be useful to determine seaworthiness characteristics of any vessel when wave amplitudes are small and also to validate complex numerical models.…”
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806
Proposal for a Sustainable Model for Integrating Robotic Process Automation and Machine Learning in Failure Prediction and Operational Efficiency in Predictive Maintenance
Published 2025-01-01“…The intervention integrated RPA and ML to improve failure prediction accuracy and optimize maintenance operations. Results showed a 100% increase in mean time between failures (MTBF), a 67% reduction in mean time to repair (MTTR), a 37.5% decrease in maintenance costs, and a 71.4% reduction in unplanned downtime costs. …”
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807
EVALUATION OF ORGANIC MATTER REMOVAL EFFICIENCY FROM PIGGERY WASTEWATER TREATMENT BY THE UPFLOW SLUDGE BLANKET FILTRATION (USBF) SYSTEM
Published 2017-09-01“…In this study, the removal of pollutants from piggery wastewater was evaluated in the USBF reactor at hydraulic retention time (HRT) of 6-15 hours and solid retention time (SRT) of 20 days. …”
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808
Orbital and suborbital temperature variability in the central Mediterranean across the Pliocene/Pleistocene transition.
Published 2024-01-01“…In addition, two suborbital periodicities in the ~5 kyr and ~8 kyr time domains provide a pervasive spectral signal that proves to be especially strong during the MIS (Marine Isotope Stage) 100 glacial, at the inception of the Northern Hemisphere Glaciation. …”
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809
Removal of Sulfur Dioxide from Flue Gas Using the Sludge Sodium Humate
Published 2013-01-01“…Experiments were conducted to examine the effect of various operating parameters, like the inlet SO2 concentration or temperature or O2, on the SO2 absorption efficiency and desulfurization time in a lab-scale bubbling reactor. The sludge sodium humate in the supernatant after alkaline sludge treatment shows great performance in SO2 absorption, and such efficiency can be maintained above 98% with 100 mL of this absorption solution at 298 K (flue gas rate of 0.12 m3/h). …”
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810
Solar Modulation of AMS-02 Daily Proton and Helium Fluxes with Modified Force-field Approximation Models
Published 2025-01-01“…Recently, the cosmic-ray experiment AMS-02 published daily fluxes of proton and helium for the period from 2011 May 20 to 2019 October 29 in the rigidity interval from about 1 to 100 GV, exhibiting fine time structures that correlate with solar wind properties on a daily basis. …”
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811
Research on Rapid Evaluation Methods for Hydrogen Consumption and Driving Range of Fuel Cell Vehicles
Published 2024-01-01“…The experimental results show that after simplifying the experimental process, excluding the time and cost of preparation work before the experiment, the rapid method is only one-third of the running method during the experimental process, and the net experimental time is significantly reduced. …”
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812
Development of an autonomous chess robot system using computer vision and deep learning
Published 2025-03-01“…Results indicate that the computation time for a chess move is approximately 2 s per chess position, while the average time for the robot to execute a chess piece movement is from 20 to 90 s for one position, depending on the type of chess move. …”
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813
Radical Prostatectomy: An Option for High-Risk Prostate Cancer
Published 2012-01-01“…Cancer-specific survival was 100% for five years and 83% for 10 years. Corresponding biochemical recurrence-free survival was low (52% and 11%, resp.). …”
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814
The combination of demulsification-flotation processes for separating dissolved oil in gum-rosin industry wastewater
Published 2025-01-01“…The variables used in the research include demulsifier dosage (2%, 4%, 6%, and 10% volume), stirring velocity (100 rpm, 120 rpm, and 130 rpm), and flotation time (10, 15, and 20 minutes). …”
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815
Rapid Analytical Method to Characterize the Freshness of Olive Oils Using Fluorescence Spectroscopy and Chemometric Algorithms
Published 2020-01-01“…The validation of these classification models by external samples shows a high capacity of classification of the samples in their class with an accuracy of 100%. This study demonstrated the feasibility of the fluorescence spectroscopy fingerprint (routine technique) for the classification of olive oils according to their freshness and storage time.…”
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816
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817
Modelling Lake Ice Phenology with an Examination of Satellite-Detected Subgrid Cell Variability
Published 2012-01-01“…The simulations were found to be within the satellite-detected subgrid cell variability: 62% of the time for ice-off and 80% of the time for ice-on. …”
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818
Effects of accessibility and adequacy of technical vocational education and training equipment on acquisition of employable skills in Uganda. A case of Uganda Technical College - E...
Published 2024“…Findings on adequacy show that 77% of the learners are availed of equipment not relevant to their program and spend little time practicing on the equipment. In conclusion, TVET equipment was inadequate with limited time spent on practicum, and recommended that Government institutions should undergo into memorandum of understanding with the industry to enable learners to adequately access practice experience on modern equipment relevant to their training.…”
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819
Angiogenesis Regulated by Electroacupuncture Combined with Rehabilitation Training in Cerebral Ischemia Involved in PI3K/Akt Signaling Pathway
Published 2020-10-01“…The expression of protein in the combined acupuncture group was higher than that of the other two groups, and the difference was statistically significant respectively (<italic>P</italic>< 0.01); the trend of each variable at different time points was significantly different respectively (<italic>F</italic><sub>Time</sub>=100.462, 53.714, 106.552, 75.381, <italic>P</italic>< 0.001), the expression of VEGF and Akt protein in the model group increased on the 7th day, and the difference was statistically significant compared with 3 d and 14 d respectively (<italic>P</italic>< 0.05); the expression of BDNF and PI3K increased on the 7th day in the model group, compared with that on the 3rd day, the difference was statistically significant (<italic>P</italic>< 0.01); the expression of VEGF, BDNF, PI3K, Akt protein increased significantly on the 14th day of the combined acupuncture group, and the difference was statistically significant compared with 3 d and 7 d respectively (<italic>P</italic>< 0.05); The expression group×time all had a significant interaction (<italic>P</italic>< 0.001). (4) The analysis of variance of repeated measurements of VEGF, BDNF, PI3K, Akt mRNA in rat brain tissues in ischemic area showed that the variables were statistically significant in different groups respectively (<italic>F</italic><sub>Intergroup</sub>=445.845, 427.743, 918.388, 543.814, <italic>P</italic>< 0.001), the combined acupuncture group expression was higher than the other two groups, the difference was statistically significant respectively (<italic>P</italic>< 0.01); the change trend of each variable at different time points was significantly different (<italic>F</italic><sub>Time</sub>=100.343, 13.984, 9.162, 32.931, <italic>P</italic>< 0.001), the expression of BDNF and PI3K mRNA in the model group increased on the 7th day, and the difference was statistically significant respectively (<italic>P</italic>< 0.05, <italic>P</italic>< 0.01); the expression of VEGF mRNA in the model group increased on the 7th day, compared with that on the 14th day, the difference was statistically significant (<italic>P</italic>< 0.01); the expression of VEGF, BDNF, PI3K, Akt mRNA increased significantly on the 7th day in the combined acupuncture group, and the difference was statistically significant compared with 3 d and 14 d respectively (<italic>P</italic>< 0.05, <italic>P</italic>< 0.01); the mRNA expression group×time had significant interaction (<italic>P</italic>< 0.001).Conclusion:Under the influence of intervention effect, time effect and the interaction of the two, the combination of electroacupuncture and rehabilitation training can play a protective role in cerebral ischemia, which may be related to the control of the expression of VEGF and BDNF and the downstream transduction pathway PI3K/Akt, which mediates the angiogenesis after cerebral ischemia.…”
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820
