Showing 14,801 - 14,820 results of 18,849 for search 'sample random sampling.', query time: 0.23s Refine Results
  1. 14801

    Metabolomics and lipidomics of plasma biomarkers for tuberculosis diagnostics using UHPLC-HRMS by Gaofeng Sun, Quan Wang, Xinjie Shan, Maierheba Kuerbanjiang, Ruiying Ma, Wensi Zhou, Lin Sun, Qifeng Li

    Published 2025-06-01
    “…Metabolites in plasma samples were analyzed by high-resolution mass spectrometry. …”
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    Article
  2. 14802

    Psychometric validation of the Thai version of the 12-item Zarit Burden Interview among informal caregivers in a palliative care setting in the south of Thailand. by Ueamporn Summart, Thanaporn Kaewbubpha, Ornicha Saengnil, Prasertsri Kongkaur, Suparuek Mahorasop, Suchittra Saengkhum, Yuwadee Wittayapun

    Published 2025-01-01
    “…The data were gathered using self-administered questionaries, and then all participants were randomly split into two sub-samples for exploratory factor analysis (EFA) (n = 150) and confirmatory factor analysis (CFA) (n = 155). …”
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  3. 14803

    Distributionally Robust Day-Ahead Dispatch Optimization for Active Distribution Networks Based on Improved Conditional Generative Adversarial Network by WEI Wei, WANG Yudong, JIN Xiaolong

    Published 2025-06-01
    “…Second, based on the generated day-ahead scenario samples of the WT and PV outputs, a Wasserstein ambiguity set construction method based on kernel density estimation (KDE) is proposed, which realizes full utilization of the sample distribution information. …”
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  4. 14804

    Assessment of Remineralizing Effect of Silver Diamine Fluoride(SDF) with Depigmented agent s on Demineralized enamel surface of permanent teeth (in Vitro Study) by Fatima Thaer AL-Bayati, Alhan Ahmed Qasim

    Published 2025-03-01
    “…Materials and methods: The samples consisted of 45 sound maxillary first premolars; the sample was divided randomly into five groups after they were subjected to a freshly prepared demineralizing agent for 4 successive days, and each group consisted of 9 teeth. …”
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  5. 14805

    Collection, Storage and Protein Extraction Method of Gingival Crevicular Fluid for Proteomic Analysis by Harraa S. Mohammed-Salih, Hayder F. Saloom

    Published 2022-04-01
    “…Sodium dodecyl sulphate polyacrylamide gel electrophoresis (SDS-PAGE) was carried out to resolve the purity of proteins in the collected samples and the method of collection was validated by western immuno-blotting of alpha amylase salivary enzyme. …”
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  6. 14806

    Improved dentin disinfection by combining different-geometry rotary nickel-titanium files in preparing root canals by Marwa M. Bedier, Ahmed Abdel Rahman Hashem, Yosra M. Hassan

    Published 2018-11-01
    “…ObjectivesThis study was to evaluate the antibacterial effect of different instrumentation and irrigation techniques using confocal laser scanning microscopy (CLSM) after root canal inoculation with Enterococcus faecalis (E. faecalis).Materials and MethodsMesiobuccal and mesiolingual canals of extracted mandibular molars were apically enlarged up to a size 25 hand K-file, then autoclaved and inoculated with E. faecalis. The samples were randomly divided into 4 main groups according to the system of instrumentation and irrigation: an XP-endo Shaper (XPS) combined with conventional irrigation (XPS/C) or an XP-endo Finisher (XPF) (XPS/XPF), and iRaCe combined with conventional irrigation (iRaCe/C) or combined with an XPF (iRaCe/XPF). …”
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  7. 14807

    A Comparative Evaluation of the Apically Extruded Debris from Root Canals Prepared by R-Motion NiTi File System by Farah B. Al-Saffar, Hikmet A. Al-Gharrawi

    Published 2023-01-01
    “…Fifty-six moderately curved palatal roots of upper maxillary first molars were selected for the present study. The samples were then divided randomly into four groups (n = 14)— Group I: R-motion (RM), Group II: WaveOne Gold (WOG), Group III: ProTaper Next (PTN), and Group IV: HyFlex EDM (HFEDM). …”
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  8. 14808

    Effect of locally formulated recovery drink on perfomance and muscle soreness in adolescent soccer players by Mutiah Mardatillah, Budi Setiawan, Sri Anna Marliyati

    Published 2025-08-01
    “…Future research with larger samples and extended intervention period is recommended. …”
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  9. 14809

    Quality Determination of Dairy Farm Wastewater in Dinajpur by Motaharul Islam, Mst. Taslema Nasrin, Md. Mofizul Islam

    Published 2024-10-01
    “…The data concerning the dairy farm wastewater in Dinajpur was obtained through a designed questionnaire, and separate area inspection interacting with the proprietor and workers in the dairy farm. Randomly collected samples from different dairy farms. …”
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  10. 14810

    The Relationship Between Content Marketing, Live Streaming, Endorsement, and Purchasing Decisions on the Tiktokshop Platform and Its Views on Islam by Niken Lestari, Mukhsinun Mukhsinun, Naeli Indah Munib

    Published 2025-03-01
    “…Primary data was collected by distributing questionnaires online to Tiktok application users who have experience using Tiktok Shop at least 17 years old in the Kebumen area, Central Java. Samples were randomly selected with a specified time limit from the target population. …”
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  11. 14811

    Effect of electrolyzed water on physicochemical and sensory qualities of beef by G. Biswas, Md. S. Islam, S. M. M. Rahman, S. M. A. Al Mamun

    Published 2024-07-01
    “…In this experiment, there were three replications with a factorial Randomized Complete Block Design (RCBD). Factor-A: consisted of six (06) treatments concentrations: T0 = Control sample (fresh water); T1 = 10 ppm electrolyzed water; T2 = 20 ppm electrolyzed water; T3 = 30 ppm electrolyzed water; T4 = 40 ppm electrolyzed water; T5 = 50 ppm electrolyzed water; Factor-B: consisted of three (03) durations: TM1 = 5 minutes; TM2 = 10 minutes; TM3 = 15 minutes. …”
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  12. 14812

    Knowledge and attitude towards palliative care and associated factors among nurse: a cross-sectional descriptive study by Saeedeh Rafiee, Ismail Azizi-Fini, Zahra-Sadat Banihashemi, Safoura Yadollahi

    Published 2024-12-01
    “…The questionnaire of demographic and professional information, knowledge and attitude was completed by the samples in the form of self-reporting. The data were analyzed using descriptive statistics, independent sample t-tests and univariate regression. …”
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  13. 14813

    ANALYSIS OF THE GINGIVAL RECESSION PREVALENCE AMONG DENTAL PATIENTS CONSIDERING ASSOCIATED AGE-RELATED, IATROGENIC AND PATHOLOGICAL CHANGES OF DENTAL STATUS by O.A. Krasnokutskyy, P.A. Hasiuk, M.Y. Goncharuk-Khomyn

    Published 2022-03-01
    “…Formation of study sample was provided by the method of block randomization according to the different age subgroups (18-19 years, 20-29 years, 3039 years, 40-49 years and 50-59 years). …”
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  14. 14814

    The sequential association between school bullying and oral health related quality of life (OHRQoL) in Chinese children and adolescents by Sifan Wang, Jin Lu, Guiqing Zheng, Yandie He, Shuqing Liu, Yi Xiang, Xinyi Liu, Xiang Wang, Yuanyuan Xiao, Ni Zhou

    Published 2025-05-01
    “…A total of 5,346 children and adolescents aged 10–17 years were included in the study through two-stage randomized cluster sampling. Univariate and multivariate logistic regression models were employed to assess the sequential associations between baseline bullying and the subsequent OHRQoL. …”
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  15. 14815

    BIOEQUIVALENCE STUDY OF GENERIC MOLNUPIRAVIR IN HEALTHY VOLUNTEERS by V. B. Vasilyuk, A. Yu. Boroduleva, P. D. Sobolev, A. G. Nikiforova, V. G. Mozgovaya, O. V. Filon, A. V. Zinkovskaya, V. G. Ignatiev, M. Yu. Samsonov, I. S. Kozlova, E. K. Khanonina

    Published 2023-02-01
    “…To determine pharmacokinetic (PK) parameters and bioequivalence, the concentration the concentration of N-hydrozycytidine (NHC), the main molnupiravir metabolit in the blood plasma of volunteers was evaluated. The blood plasma sampling was carried out in the range from 0 to 16 hours in each of the study periods. …”
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  16. 14816

    Validation of the Italian Version of the Rapid Geriatric Assessment in Community-Dwelling Older Adults by Carlotta Tacchino, Luca Carmisciano, Elena Page, Silvia Ottaviani, Luca Tagliafico, Alda Boccini, Alessio Signori, Chiara Giannotti, Alessio Nencioni, Fiammetta Monacelli

    Published 2025-03-01
    “…<b>Methods</b>: This cross-cultural study involved 100 community-dwelling older adults randomly recruited through convenience sampling from general practitioner offices in Genoa (Italy), between January and June 2019. …”
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  17. 14817

    Application of active learning technique in recognition of diagenetic facies of Mesozoic buried-hill clastic rock reservoirs in Chengdao-Zhuanghai area by ZHANG Pengfei, QIN Feng, WU Songbai, SUN Yaoting, LIU Ruijuan, ZHANG Liqiang, YAN Yiming, MENG Yuan

    Published 2025-07-01
    “…A training dataset where logging data corresponded to diagenetic facies labels was established through the statistical analysis of core samples, thin sections, and logging data, as well as the petrologic characteristics and diagenetic facies types of the reservoir in this region. …”
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  18. 14818
  19. 14819

    Seasonal soil water origins and determinants in an alpine hillslope on the northeastern Qinghai-Tibet Plateau by Yangyang Zhang, Xiao-yan Li, Fang Liu

    Published 2025-02-01
    “…To identify these origins under different freeze–thaw stages and topographic conditions, field samples were collected from the south, north, and valley regions of the northeastern Qinghai-Tibet Plateau from May to September 2022. …”
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  20. 14820

    Effect of phosphorus fractions on benthic chlorophyll-a: Insight from the machine learning models by Yuting Wang, Sangar Khan, Zongwei Lin, Xinxin Qi, Kamel M. Eltohamy, Collins Oduro, Chao Gao, Paul J. Milham, Naicheng Wu

    Published 2025-03-01
    “…A total of 125 freshwater samples were collected from these sections of the Thousand Island Lake (TIL) watershed for analysis. …”
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