Showing 17,981 - 18,000 results of 18,849 for search 'sample random sampling.', query time: 0.19s Refine Results
  1. 17981

    Population Fluctuation and Infestation Rates of Ceratitis capitata (Wiedemann) (Diptera: Tephritidae) on Different Pomegranate Varieties in Hatay (Turkey) by Nihat Demirel

    Published 2020-10-01
    “…The fruit infestation assessment was measured by a hundred fruits chosen randomly from ten trees in each of sampled orchard and checked for medfly punctures and infested fruits were counted. …”
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    Article
  2. 17982

    Comparative Evaluation of Fracture Resistance of Teeth Instrumented by Self adjusting File, Protaper NEXT, and Hyflex EDM: An In vitro Study by DM Yashas, RS Basavanna, NM Dhanya Kumar, Aishwarya Arya, Poojitha Jain, Ishaan Adhaulia

    Published 2025-04-01
    “…Following instrumentation, root canals were obturated with gutta-percha and AH Plus sealer, except in the control group. Samples were embedded in acrylic resin, and fracture resistance was tested using a universal testing machine. …”
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    Article
  3. 17983

    In vitro assessment of fracture resistance of endodontically treated teeth restored with short fiber reinforced resin based composite and ceramic overlays by Mona Elshirbini Hafez, Ahmed Ata Abd El-ghany, Ahmed Ismail Taha, Ashraf Amin

    Published 2025-02-01
    “…After thermocycling, fracture load is applied using the Instron Universal machine until samples fracture. Fracture loads were recorded, and fracture mode was evaluated. …”
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    Article
  4. 17984

    Estoque de carbono em solos sob pastagens cultivadas na bacia hidrográfica do Rio Paranaíba / Carbon storage in soils of cultivated pastures in the Parnaiba River basin by Roberto Rosa, Edson Eyji Sano, Jussara dos Santos Rosendo

    Published 2014-08-01
    “…This study aimed to assess the soil carbon stock under cultivated pastures in the Parnaíba River basin. A set of 80 soil samples were collected randomly in the basin, 40 in degraded pastures and 40 in improved pastures, at the following depths: 0-5, 5-10, 10-20 and 20-30 cm. …”
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    Article
  5. 17985

    A DQN-Based Algorithm for Operational Optimization of Freight Trains in Long Steep Downhill Sections by HE Zhiyu, LI Yinan, LI Hui, JI Zhijun

    Published 2024-08-01
    “…The study employed the batch collection of training samples utilizing experience replay and a double-network mechanism, along with the preprocessing of neural network state inputs, and the investigation into feasible regions within the action space using a variable ε-greedy strategy. …”
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    Article
  6. 17986

    Electronic Recordkeeping and School Management Processes: A Case of Selected Secondary Schools in Luwero District. by Mugisha, David

    Published 2023
    “…Out of 1,000 total populations, 278 respondents were sampled of whom: 267teachers and 11 administrators were randomly and purposively selected and answered the questionnaire interviews. …”
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    Thesis
  7. 17987

    Pesticide application and water quality in Doho and Kibimba rice irrigation schemes, eastern Uganda by Sulaiman, Abubakar Aminua, Sarah, Nachuha, Zakia, Tebetyoc

    Published 2022
    “…A cross sectional research design was used to collect data. A total of 60 samples (30 from each site) on physicochemical characteristics were collected in situ using standard equipment. 200 local community members (100 from each scheme) were randomly selected while on the farm and interviewed. …”
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    Article
  8. 17988

    Contributory factors to partial implementation of prevention of mother to child transmission policy in South Africa by Hermina Manjekana Dyeshana, Sibusiso Memory Zuma

    Published 2025-07-01
    “…The survey was chosen to conduct clinical records audits of mother and baby pairs client records from 18 facilities rendering PMTCT services, representative of the rural and urban areas in all the nine provinces of SA Five (5) Mother and baby pairs client records, each containing specific tools used for measuring PMTCT programme progress amounting to 3 160 files were randomly selected. The investigator developed a checklist from all existing approved PMTCT M&E sampled tools, condensed into one document and used to collect data from all sampled client’s records. …”
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    Article
  9. 17989
  10. 17990

    Integrated plasma and synovial membrane lipidomic profiling revealing the therapeutic effects of moxibustion in collagen-induced arthritis rat models by Jiamin Wen, Rui Zhang, Danwen Wang, Zhiling Sun

    Published 2025-06-01
    “…Methods: A total of 32 male Sprague-Dawley (SD) rats were randomly assigned to four groups: control, moxibustion control (MC), model, and moxibustion model (MM) groups, with 8 rats in each group. …”
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    Article
  11. 17991

    Internet-accessed sexually transmitted infection (e-STI) testing and results service: A randomised, single-blind, controlled trial. by Emma Wilson, Caroline Free, Tim P Morris, Jonathan Syred, Irrfan Ahamed, Anatole S Menon-Johansson, Melissa J Palmer, Sharmani Barnard, Emma Rezel, Paula Baraitser

    Published 2017-12-01
    “…Typically this testing modality enables users to order a test kit from a virtual service (via a website or app), collect their own samples, return test samples to a laboratory, and be notified of their results by short message service (SMS) or telephone. e-STI testing is assumed to increase access to testing in comparison with face-to-face services, but the evidence is unclear. …”
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    Article
  12. 17992

    Bone Age Estimation of Chinese Han Adolescents’s and Children’s Elbow Joint X-rays Based on Multiple Deep Convolutional Neural Network Models by LI Dan-yang, ZHOU Hui-ming, WAN Lei, LIU Tai-ang, LI Yuan-zhe, WANG Mao-wen, WANG Ya-hui

    Published 2025-02-01
    “…For regression, VGG16, VGG19, InceptionV2, InceptionV3, ResNet34, ResNet50, ResNet101 and DenseNet121 models were selected for bone age estimation. The dataset was randomly split into 80% (754 samples) for training and validation for model fitting and hyperparameter tuning, and 20% (189 samples) as an internal test set to test the performance of the trained model. …”
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    Article
  13. 17993

    Effects of Exercise on Gut Microbiome and Serum Metabolomics in Post-Traumatic Osteoarthritis Rats by Xiaoxia Hao, Xingru Shang, Yiwen Zhang, Wenjie Hou, Ruimin Chi, Chunran Pan, Jiawei Liu, Xiaofeng Deng, Jiaming Zhang, Tao Xu

    Published 2025-05-01
    “…Additionally, we conducted 16S rDNA sequencing of fecal samples and untargeted metabolomic analysis using liquid chromatography–mass spectrometry (LC–MS) of serum samples to detect the alteration of gut microbiota composition and metabolites. …”
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    Article
  14. 17994

    Assessing the impact of two forms of PACAP-38 (pituitary adenylate cyclase-activating polypeptide) on Nile tilapia (Oreochromis niloticus) immune response following challenge with... by E Fajei, WC Cai, SK Whyte, B Despres, B Dixon, Y. Carpio, M Estrada, MD Fast

    Published 2024-12-01
    “…Moreover, data analysis of spleen samples from these two studies also indicates that PACAP-38 might have more anti-inflammatory impacts than its modified form. …”
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    Article
  15. 17995

    Intrauterine activation of the fetal immune system in response to maternal COVID-19 by N. R. Gashimova, L. L. Pankratyeva, V. O. Bitsadze, J. Kh. Khizroeva, N. A. Makatsariya, M. V. Tretyakova, A. S. Shkoda, K. N. Grigoreva, V. I. Tsibizova, J.-C. Gris, F. E. Yakubova, D. V. Blinov, A. D. Makatsariya

    Published 2023-05-01
    “…However, the cytokines level in maternal peripheral blood samples in main and control groups upon delivery was changed insignificantly. …”
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    Article
  16. 17996

    Influence of polyfunctional Tbet+ T cells on specific clinical events in chronic lymphocytic leukaemia by Yeong Jer Lim, Yeong Jer Lim, Andrew D. Duckworth, Kim Clarke, Paul Kennedy, Indrani Karpha, Indrani Karpha, Melanie Oates, Matthew Gornall, Nagesh Kalakonda, Nagesh Kalakonda, Joseph R. Slupsky, Andrew R. Pettitt, Andrew R. Pettitt

    Published 2025-04-01
    “…To address this knowledge gap, we utilised high-dimensional mass cytometry to profile circulating CD4+ and CD8+ T-cells in pre-treatment samples from a well-defined cohort of CLL patients undergoing initial therapy as part of a clinical trial.MethodsPre-treatment blood samples from 138 CLL patients receiving initial chemoimmunotherapy containing bendamustine or chlorambucil in the NCRI RIAltO trial (NCT01678430; EudraCT 2011-000919-22) were subjected to deep immunophenotyping by mass cytometry using a bespoke panel of 37 antibodies. …”
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    Article
  17. 17997
  18. 17998
  19. 17999
  20. 18000

    Food safety practices of individuals before and after the emergence of COVID-19: A pre- and post-comparative analysis. by Daniel Teshome Gebeyehu, Leah East, Stuart Wark, Md Shahidul Islam

    Published 2025-01-01
    “…The food buyers in the selected cities were randomly selected based on their place in queue in randomly selected food shops. …”
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    Article