Showing 15,501 - 15,520 results of 18,849 for search 'sample random sampling.', query time: 0.20s Refine Results
  1. 15501

    A Comparative Evaluation of Shear Bond Strength of Type IX GIC to Demineralized Dentin in Primary Teeth with and without Application of SDF: An <i>In Vitro</i> Study by Swapnaja V Gadekar, Amey M Panse, Prasad Jathar, Pradyumna S Khairnar, Abhijeet V Gadekar, Apurva Pawar

    Published 2022-12-01
    “…The enamel was removed initially from each sample, exposing the dentin. The samples were placed in a 40 mL solution containing 2.2 mM each of potassium dihydrogen phosphate (KH<sub>2</sub>PO<sub>4</sub>) and calcium chloride (Cacl<sub>2</sub>) (pH 4.5) for 3 days to demineralize the dentin. …”
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    Article
  2. 15502

    The Impact of Health Belief Model-Based Education on Self-Care Behaviors of Hypertensive Patients by Parisa Kasmaei, Pegah Yousefi, Rabiollah Farmanbar, Saeed Omidi, Mahmood Karimy, Sedighe Bab Eghbal, Maryam Shakiba, Morvarid Molaee

    Published 2024-10-01
    “…Methods: In this quasi-experimental study, 96 hypertensive patients were selected through a multi-stage method and randomly divided into experimental and control groups (48 samples per group). …”
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  3. 15503
  4. 15504

    Multi-sensor proximal remote sensing for cover crop biomass estimation at high and moderate spatial resolutions by Jyoti S. Jennewein, Brian W. Davis, Sarah Seehaver-Eagen, Jordan Nicolette, Josh Pittman, W. Dean Hively, Avi Goldsmith, Chris Hidalgo, Chris Reberg-Horton, Steven B. Mirsky

    Published 2025-12-01
    “…Sentinel-2 RF models trained with ACS-214 data showed good agreement with field-sampled (R2 = 0.58 – 0.61) and ACS-214-estimated biomass (R2 = 0.70). …”
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    Article
  5. 15505

    Optimizing machine learning methods for groundwater quality prediction: Case study in District Bagh, Azad Kashmir, Pakistan by Usman Basharat, Wenjing Zhang, Cuihong Han, Shoukat Husain Khan, Arshad Abbasi, Sehrish Mahroof, Shuxin Li

    Published 2025-09-01
    “…This study evaluates various base ML algorithms and stacking ensemble classifiers (meta-classifiers) using data from 90 groundwater samples collected in District Bagh, Azad Kashmir, Pakistan. …”
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  6. 15506
  7. 15507

    MACROSCOPICS AND MICROSCOPICS FEATURE OF WITAR RATS LIVER AFTER IMMERSION IN GRADUAL CONCENTRATION OF RANDU HONEY by Putri Ariani Kusuma, Tuntas Dhanardhono, Saebani Saebani, Ratna Damma Purnawati, Hermawan Istiadi

    Published 2021-07-01
    “…Methods Experimental with post-test only control group design using 24 male Wistar rats as sample, randomly divided into 4 groups consist of: Group C (preserved with 10% formaldehyde solutions), P1 (preserved with 10% randu honey solutions), P2 (preserved with 20% randu honey solutions) and P3 (preserved with 30% randu honey solutions). …”
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    Article
  8. 15508

    Effect of water and Poly Amines treatment on barley (Hordeum vulgare L.) c.v Usef seedling vigour and chilling tolerance at harvesting in different seed moisture content by L. Yari, M. Sedghi, A. Hamidi, R. Seyed Sharifi

    Published 2017-10-01
    “…The seeds were hand harvested at three initial moisture contents including 18, 16, and 14%  wet weight basis .The seed samples then were sealed in polythene bags and stored in conditioned storage and equilibrium for 8 months. …”
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  9. 15509

    Quantitative Constituents Analysis of Rice Mill Wastewater by Motaharul Islam, Taslema Nasrin, Mosiur Rahman, Mofizul Islam, Tushar Kanti Ray

    Published 2020-10-01
    “…The data concerning to the rice mill waste water in Dinajpur, Bangladesh was obtained from individual field visits by interviewing with owner and worker in the rice mills. The wastewater samples were collected randomly from different rice mills. …”
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  10. 15510

    Implications of cytokine genes polymorphisms in Jordanian patients with obsessive compulsive disorder by Ahmad M. Khalil, Manal W. Khrais, Khaled M. Al-Qaoud, Mohamad Y. Al Ta’any

    Published 2025-01-01
    “…One might want to explore this further by repeating the study with a larger sample size.…”
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  11. 15511

    The Optimization Path of VR Red Resource Reading Style under the Embodied Cognition: An Exploratory Study Based on Grounded Theory by Jia XU

    Published 2024-11-01
    “…[Method/Process] Taking the grounded theory as the research method, we first carry out data collection and sample selection, then analyze the text materials through the three-level coding method of open coding, axial coding and selective coding, and finally randomly select one third of the samples from the materials to carry out the saturation test of the theoretical model, summarize the three main categories of reading guarantee mechanism, reading ecology and reading experience optimization, and construct the optimization of the VR red resource reading path model, and elaborate the model in detail. …”
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    Article
  12. 15512

    ¬¬Effect of Soil and Moisture Conservation Technologies on Growth and Grain Yields of Climbing Beans in Lake Mulehe Sub-catchment South-Western Uganda. by Kushaba, Laban Katende

    Published 2024
    “…The study employed both descriptive and analytical research designs utilizing mixed methodologies. Sample studies of 100 farmers that were randomly selected were employed to identify the predominant soil and moisture conservation technologies using an observation checklist. …”
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  13. 15513
  14. 15514
  15. 15515
  16. 15516

    Soil thermal conductivity, organic matter, activity and microbial biomass in crops systems of passion fruit in Toro, Valle del Cauca, Colombia Conductividad térmica del suelo, mate... by Pérez Jesús, Gascó José María, Sánchez de Prager Marina, Zúñiga Orlando, Rojas Adriana

    Published 2007-03-01
    “…In three systems of passion fruit crop (ecological, transitional and conventional) in the municipality of Toro, Valle del Cauca, Colombia. In samples taken at random in two depths (0-15 and 15-30 cm), biological properties microbial activity (C-CO2); microbial biomass (microbial C) - fumigation, extraction - and physical and chemical properties (organic matter, pH, humidity, texture, apparent density, porosity (traditional methods) and thermal conductivity of the soil (electrothermal method) were measured. …”
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  17. 15517

    Estimation of soil free Iron content using spectral reflectance and machine learning algorithms by Wanzhu Ma, Hongkui Zhou, Hao Hu, Zhiqing Zhuo, Kangying Zhu, Guangzhi Zhang

    Published 2025-07-01
    “…To evaluate the feasibility of using spectral reflectance and machine learning methods to estimate soil free iron content, we collected the spectral reflectance of 540 soil samples from 135 locations. We looked at the original spectrum and transforms such as the first derivative (FD), standard normal variate (SNV), and continuum removed (CR). …”
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  18. 15518

    A Comprehensive Framework for Parkinson's Disease Detection Using Spiral Drawings and Advanced Machine Learning Techniques by Mohamed J. Saadh, Waleed K. Abdulsahib, Hardik Doshi, Anupam Yadav, J. Gowrishankar, Mayank Kundlas, Nargiza Mansurova, Kamal Kant Joshi, Fadhil Feez Sead, Bagher Farhood

    Published 2025-08-01
    “…Materials and Methods Spiral drawing data were collected from a comprehensive dataset, including samples from both Parkinson's patients and healthy individuals. …”
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  19. 15519

    Estimating and mapping tailings properties of the largest iron cluster in China for resource potential and reuse: A new perspective from interpretable CNN model and proposed spectr... by Haimei Lei, Nisha Bao, Moli Yu, Yue Cao

    Published 2025-05-01
    “…This study aimed to quantify and map the spatial distribution of total Fe (TFe) and SiO2 contents of tailings dams at the largest iron cluster in China using laboratory spectra and GF-5 hyperspectral images. A total of 230 samples were collected from the surface of 11 tailings dams and scanned by a VIS–NIR–SWIR reflectance spectrometer in the laboratory. …”
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  20. 15520

    Plasma phospho-tau217 as a predictive biomarker for Alzheimer’s disease in a large south American cohort by Neetesh Pandey, Zikun Yang, Basilio Cieza, Dolly Reyes-Dumeyer, Min Suk Kang, Rosa Montesinos, Marcio Soto-Añari, Nilton Custodio, Lawrence S. Honig, Giuseppe Tosto

    Published 2025-01-01
    “…We tested plasma levels of p-tau using the Quanterix Simoa ALZpathp-tau217 assay in 525 samples and tested the association between p-tau217 and clinical diagnosis (healthy controls n = 234 vs. …”
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