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5021
Research on the Preparation of Modified TiO<sub>2</sub> Composite Coatings with Anti-Fouling and Flashover Resistance
Published 2024-12-01“…In order to effectively reduce the occurrence of pollution flashover accidents caused by surface contamination of transmission line insulators, a new fluorocarbon coating material was prepared by combining modified nano-TiO2, PTFE and fluorocarbon resin FEVE using compressed air spraying technology.The optimum addition amount of modified TiO2 particles was discussed.The microstructure was studied using scanning electron microscopy (SEM) and atomic force microscopy (AFM).The hydrophobicity, self-cleaning properties and anti-ultraviolet aging resistance were analyzed using a contact angle measurement instrument.The results showed that the optimum addition amount of modified nano-TiO2 was 4%,the adhesion of the coating reached grade 0,and the maximum static contact angle was 121°.The surface of the anti-pollution flashover composite coating prepared with modified TiO2 exhibited numerous micro-nano scale columnar cone tip structures, resulting in higher roughness.Its hydrophobicity, self-cleaning ability, and anti-ultraviolet aging resistance were improved, demonstrating excellent antipollution flashover performance.…”
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5022
A Review of the Research and Development of High-Frequency Measurement Technologies Used for Nonlinear Dynamics of Drillstring
Published 2021-01-01“…High-frequency measurements can provide much more new insights for drillstring dynamics compared to traditional instruments, leading to a new realm of understanding of drillstring behaviors in great detail than before. …”
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5023
An Empirical Model of the Equatorial Electron Pitch Angle Distributions in Earth's Outer Radiation Belt
Published 2022-09-01“…Abstract In this study, we present an empirical model of the equatorial electron pitch angle distributions (PADs) in the outer radiation belt based on the full data set collected by the Magnetic Electron Ion Spectrometer (MagEIS) instrument onboard the Van Allen Probes in 2012–2019. …”
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5024
The Impact of Macroeconomic Factors on the Sukuk Market Development with an Emphasis on the Role of Financial Risk in Selected Islamic Countries
Published 2023-12-01“…The sukuk market, as a financial instrument, plays a positive and important role in the country's economic growth by stimulating capital accumulation and promoting the efficient allocation of resources. …”
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5025
The Effect of the Project-Based Learning Model with Digital Learning Media on Science Literacy and Numeracy Skills in Madrasah Ibtidaiyah
Published 2025-01-01“…Test questions, questionnaires, observation sheets, and interviews were used as instruments in this study. Data processing was done using a normality test, homogeneity test, and hypothesis testing using ANOVA. …”
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5026
Elementary School Students' Sports Participation Rates
Published 2024-12-01“…Data collection utilized observation, questionnaires, and interviews, with the Sport Development Index (SDI) based on the 2007 SDI KK - OIR 2006 version and an adapted Physical Literacy Knowledge Questionnaire (PLKQ) as instruments. Data analysis was conducted using the SDI to examine the dimension of sports participation, with Microsoft Excel as the analysis tool. …”
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5027
Large-scale laboratory investigation of pillar-support interaction
Published 2025-01-01“…Both unsupported and supported (grouted rebar rockbolt and wire mesh) tests were conducted, and the surface deformations of the specimens were monitored using three-dimensional (3D) digital image correlation (DIC). Rockbolts instrumented with distributed fiber optic strain sensors were used to study rockbolt strain distribution, load mobilization, and localized deformation at different w/h ratios. …”
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5028
Classifiability Analysis of Spectroscopic Profiling Datasets in Food Safety-related Discriminative Tasks
Published 2025-01-01“…This score can guide researchers to determine the required model complexity and assess the adequacy of the current physio-chemical profiling instrument. We expected the classifiability analysis framework proposed in this research to be generalized to a wide range of machine learning applications within the realm of food, where data-driven classification or discriminative tasks are involved.…”
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5029
An Analysis of Patients That Underwent Computed Tomography Pulmonary Angiography with the Prediagnosis of Pulmonary Embolism in the Emergency Department
Published 2014-01-01“…The purpose of this study is to analyze the frequency of other diagnoses and findings in patients that were diagnosed with or not diagnosed with PE following the CTPA in the ED and to analyze the relationship between diagnosis and D-dimer. Instrument and Method. This study involves all patients that presented to the ED that underwent CTPA with the prediagnosis of PE. …”
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5030
Minimal operational theories: classical theories with quantum features
Published 2025-01-01“…Specifically, the allowed instruments are limited to those derived from compositions of preparations, measurements, swap transformations, and conditional operations. …”
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5031
Measuring Competency: Improving the validity of your procedural performance assessments
Published 2023-12-01“…Conclusions:. Imprecise instrumentation conveys a false sense of competence and deprives surgeons of opportunities to close capability gaps. …”
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5032
Sleep Quality in Patients with Human Immunodeficiency Virus
Published 2024-04-01“…The sleep quality assessment instrument uses the Pittsburgh Sleep Quality Index (PSQI). …”
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5033
A Comparative Analysis Between the ENVISAT and ICEYE SAR Systems for the Estimation of Sea Surface Current Velocity
Published 2025-01-01“…To achieve this goal, two sets of SAR data gathered by ASAR (C-band) and from the X-band ICEYE instruments, respectively, are exploited. The standard deviation of DCA measurements is derived and tested against what is expected by theory. …”
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5034
Development of the Si PaPa Gasi Module (First Aid for Preeclampsia/Eclampsia) with a Family Approach in the Archipelago Region
Published 2024-04-01“…The total sample was 47 in the intervention group and 47 in the control group. The research instrument is a questionnaire. Statistical analysis uses the computer program by looking at the increase in the average (mean) and the influence of the independent variable on the dependent variable using the t-test. …”
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5035
Effect of Oxygen Flow Rate on the Optical, Electrical, and Mechanical Properties of DC Sputtering ITO Thin Films
Published 2018-01-01“…We used an optical spectrometer to measure the optical transmittance and a four-point probe instrument to determine the resistivity. A home-made Twyman-Green interferometer was used to evaluate residual stress and a microscopic interferometer was used to measure the surface roughness of ITO thin films. …”
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5036
Analysis of Fatwa Regarding Sharia Credit Cards and Their Relevance to the Development of Islamic Banking in Indonesia and Bahrain
Published 2024-05-01“…The findings of this research can serve as policy studies for fatwa institutions and Islamic banking to enhance the growth of Sharia credit cards as a Sharia financing instrument for the public, particularly in Indonesia.…”
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5037
Study on Shear Strength Characteristics of Marine Silt Modified by Steel Slag
Published 2021-01-01“…In this paper, the shear strength characteristics of marine silt modified by steel slag were studied using an automatic triaxial instrument, as well as the relationship between steel slag incorporation and modified silt density. …”
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5038
Non-Destructive Testing by Magnetic Noise Method of the Quality of Heat Treatment of Steel Samples Obtained by Additive Technology
Published 2022-10-01“…The method of the Barkhausen effect and the instrumented indentation method for measuring the material hardness were applied.It was experimentally established that both methods are highly sensitive to annealed and normalized three-dimensional samples and their rejection. …”
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5039
Relationship of Work Tasks Motivation, Teaching self-efficacy and Teaching Emotions with Psychological Well-being in Teachers
Published 2023-09-01“…From this population, a random sample of 235 teachers was selected in accordance with the Morgan table. The research instruments utilized in this study were the Psychological well-being questionnaire (Reif, 1980), Teacher self-efficacy questionnaire (Tschannen-Moran et al., 2001), The Work Tasks Motivation Scale for Teachers (WTMST) (Ferrant et al., 2008), and Questionnaire in Emotionality in Teaching (Villavicencio, 2010). …”
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5040
Advanced point-of-care biomarker testing for the diagnosis of cardiovascular diseases
Published 2025-02-01“…Conventional CVD diagnostic techniques necessitate the use of bulky hospital instruments for electrocardiogram recording and immunoassay, resulting in time-consuming and inconvenient limitations. …”
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