Showing 14,941 - 14,960 results of 18,849 for search 'sample random sampling.', query time: 0.20s Refine Results
  1. 14941

    Combined bacterial and fungal intestinal microbiota analyses: Impact of storage conditions and DNA extraction protocols. by Cécile Angebault, Amine Ghozlane, Stevenn Volant, Françoise Botterel, Christophe d'Enfert, Marie-Elisabeth Bougnoux

    Published 2018-01-01
    “…Standardized protocols for storage and DNA extraction from fecal samples have been established mostly for bacterial microbiota analysis. …”
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  2. 14942

    Flexible piezoelectric polymer composites with magnetic-field-oriented BNNS and imprinted micropillars for self-powered sensors by Xin Chaojie, Zhao Hu, Chen Xiaoming, Shi Chao, Ma Duo, Song Qihang, Zhao Quanyi, Zhang Jie, Wang Chunhui

    Published 2024-11-01
    “…Due to the strain confinement effect, the outputted voltage of m-BNNS/PDMS composite film (SA<sub>BNNS</sub>) demonstrated an improvement of 115.5% compared to the film sample with randomly dispersed nanoparticles. And the device showed a high sensitivity and rapid response capability to human motion. …”
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  3. 14943

    AI-aided short-term decision making of rockburst damage scale in underground engineering by Chukwuemeka Daniel, Shouye Cheng, Xin Yin, Zakaria Mohamed Barrie, Yucong Pan, Quansheng Liu, Feng Gao, Minsheng Li, Xing Huang

    Published 2025-08-01
    “…Nine classifier algorithms, including random forest (RF), were evaluated using a dataset of 254 samples. …”
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  4. 14944

    Efficacy of two mouth rinse sprays in inhibiting Streptococcus mutans growth on toothbrush bristles by Dalia Mamdouh Talaat, Aly Abd El-Aziz Sharaf, Mona Abd El-Moneim Ghoneim, Soraya Ali EL-Shazly, Omar Abd El Sadek El Meligy

    Published 2018-10-01
    “…Methods: An experimental comparative study was performed. The sample included 60 children aged 6–8 years with high caries index. …”
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  5. 14945

    Multi-Step Natural Gas Load Forecasting Incorporating Data Complexity Analysis with Finite Features by Ning Tian, Bilin Shao, Huibin Zeng, Meng Ren, Wei Zhao, Xue Zhao, Shuqiang Wu

    Published 2025-06-01
    “…Firstly, the complexity features of the series are quantified by rolling the fractal dimension, Hurst exponent, sample entropy, and maximum Lyapunov exponent. The analysis contributes to understanding data characteristics and provides information on complex features. …”
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  6. 14946

    The impact of price and image warnings on the social perception of gifting cigarettes in China by Guang Xu, Yibin Shi, Kecheng Du, Gang Wang, Liyun Wu

    Published 2024-01-01
    “…Methods This study employed a randomized survey experiment to examine the effects of cigarette price treatment and pictorial health warning labels (HWLs) on cigarette gifting. …”
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  7. 14947

    Establishment and validation of a nomogram model for early diagnosis of gastric cancer: a large-scale cohort study by Haiyu Wang, Yumin Ding, Shujing Zhao, Kaixu Li, Dehong Li

    Published 2024-11-01
    “…The cases were divided into the training set and validation set randomly, with a ratio of 7:3. Variable screening was performed by least absolute shrinkage and selection operator (LASSO) and logistic regression analysis. …”
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  8. 14948

    Loneliness, Stigma, and the Tendency for Interpersonal Victimhood Inhibit Compassion for Some but Not All Suffering Social Groups by Colter D. Ray, Ningyang Ocean Wang, Lindsay A. Duede, Ben Garza, Julien Burns

    Published 2024-12-01
    “…Using a nationally representative sample of 627 U.S. adults, this study used cross-sectional survey data to determine if loneliness, the tendency for interpersonal victimhood, and stigmatizing attitudes held toward suffering social groups correlated with less compassion for suffering social groups. …”
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  9. 14949

    The Effect of Acute Endurance and Resistance Training with Low and Moderate Intensity on the Executive Functions of Overweight Adolescents’ boys by M Tabatabaei, B Aria, L Khavari Khorasani

    Published 2025-03-01
    “…This study aimed to investigate the acute effects of endurance and resistance training at low and moderate intensities on the executive functions of overweight adolescent boys.Method:The present study is a quasi-experimental with a pre-test-post-test design and a control group. A sample of 50 overweight adolescent boys, aged 15 to 17 years, was selected and randomly assigned to four exercise groups and one control group, with 10 subjects in each group. …”
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  10. 14950

    Ocular and Periocular Tattoo Adverse Effects: A Review by Kar Wai Alvin Lee, Lisa Kwin Wah Chan, Angela Wai Kay Lee, Cheuk Hung Lee, Jovian Wan, Kyu-Ho Yi

    Published 2024-09-01
    “…The reviewed papers were evaluated based on study design, including blinding, sample size, control use, randomization, and objective endpoints, and classified according to the Oxford Center for Evidence-Based Medicine evidence hierarchy. …”
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  11. 14951

    Breast cancer application protocol: a randomised controlled trial to evaluate a self-management app for breast cancer survivors by Yingchun Zeng, Xiangyu Liu, Andy S K Cheng, Peter H F Ng, Cindy T T Kwok, Michael Feuerstein

    Published 2020-07-01
    “…Eligible participants will be allocated randomly into either an intervention group or a control group at a 1:1 ratio. …”
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  12. 14952

    Technological Entrepreneurship Model with Open Innovation Approach: Sustainable Development of Oil and Gas Knowledge-Based Companies by Mohammad Hossein Saber Kohne Goorabi, Seyed Hossein Iranmanesh, Parivash Jafari

    Published 2021-11-01
    “…In Path Analysis Stage a sample of 230 questionnaires were randomly distributed among company managers. …”
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  13. 14953
  14. 14954

    Onco-mNGS facilitates rapid and precise identification of the etiology of fever of unknown origin: a single-centre prospective study in North China by Bingbing Liu, Tengfei Yu, Ruotong Ren, Na Wu, Nanshu Xing, Jingya Wang, Wenjie Wu, Xuefang Cao, Jingping Zhang

    Published 2024-12-01
    “…Methods In this single-centre prospective study, we included 65 patients with classic FUO, who were randomly divided into control group (sample cultivation) and mNGS group (cultivation + Onco-mNGS). …”
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  15. 14955

    Determining Arabic Language Proficiency: An Examination of Grammar Mastery, Active Usage, and Discipline of Linguistic by Mukmin Mukmin, Nurul Hidayah, Arifah Salma Haya, Nurul Jawahir Md Ali, Abdurrahman Wahid Abdullah

    Published 2025-06-01
    “…A correlational research method was employed to collect and analyze data from a randomly selected sample of students at the pesantren. …”
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  16. 14956

    The Use of Ibuprofen Arginate in Pain Management Following Third Molar Surgery—A Scoping Review by Claudia Lorenzi, Ilaria Cammarota, Vincenzo Mazzetti, Claudio Arcuri, Paolo Carosi, Alberto Maria Pujia

    Published 2025-01-01
    “…Results: Four studies, with a combined sample of 1245 patients, met the inclusion criteria. …”
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  17. 14957

    The efficacy and safety of micro-needling combined with tacrolimus <i>versus</i> tacrolimus monotherapy for vitiligo treatment: a systematic review and meta-analysis by Hadeel A. Maaddawi, Abdulaziz A. Aljuaid, Awadh M. Alamri, Dhaifallah H. Alghowairi, Abdullah S. Bawazeer

    Published 2025-02-01
    “…The risk ratio (RR) was used to represent dichotomous outcomes, whereas the odds ratio (OR) was used for adverse events. Three randomized control trials (RCTs) (n=148 participants) were deemed eligible. …”
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  18. 14958
  19. 14959

    Septic shock upon admission to pediatric intensive care units: prognostic analysis of mortality in a retrospective cohort by Ricardo Rodriguez-Portilla, Isabel Pinedo-Torres, Claudia C. Guerra-Ríos, Angela Parra del Riego-Freundt-Thurne, Nilton Yhuri-Carreazo

    Published 2025-01-01
    “…Method: This retrospective cohort study was conducted in the PICU of Hospital Nacional Edgardo Rebagliati Martins (HNERM) in Lima, Peru, from January 2018 to December 2021. The sample size was determined based on annual mortality rates, and randomization was used to create two groups: patients with and without septic shock. …”
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  20. 14960

    Adaptation of the Posttraumatic Stress Disorder Checklist for DSM-5 by Pablo D. Valencia, Anabel de la Rosa-Gómez, Alan Ernesto Barba-Sánchez, Alejandrina Hernández-Posadas, María Jesús Hernandez-Jiménez

    Published 2025-02-01
    “…This study employed exploratory and confirmatory methods to develop a brief 7-item version of the PCL-5 involving1,337 individuals seeking psychological support in Mexico. The sample was randomly distributed, using the first half to create the new short version and the second to test this and other previously proposed versions. …”
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