Showing 281 - 300 results of 18,993 for search 'sampling more methods', query time: 0.22s Refine Results
  1. 281

    Innovations in the Speciation of Organolead Compounds in Water: Towards a More Rational, Rapid, and Simple Analytical Process by J.R. Baena, M. Gallego, M. Valcarcel

    Published 2002-01-01
    “…The analytical methods developed allowed the identification and quantification of different organolead species at the pg/ml levels in rainwater samples, with precision (RSD) of about 5% and recoveries ranging from 92 to 100%.…”
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  2. 282

    Inferring the temporal order of cancer gene mutations in individual tumor samples. by Jun Guo, Hanliang Guo, Zhanyi Wang

    Published 2014-01-01
    “…The temporal order of cancer gene mutations in tumors is essential for understanding and treating the disease. Existing methods are unable to infer the order of mutations that are identified at the same time in individual tumor samples, leaving the heterogeneity of the order unknown. …”
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  3. 283
  4. 284

    Target sample mining with modified activation residual network for speaker verification. by Ji Chaoqun, Chen Wei, Ye Peng, Wang Zhou, Zhou Shuhang

    Published 2025-01-01
    “…Considering the relatively compact distribution of positive and negative sample spaces, it is beneficial for enhancing the performance of the speaker system, and focusing more on the learning of difficult samples is conducive to improving the network's convergence and generalization. …”
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  5. 285

    More Likely Than You Think: Inclination-driving Secular Resonances Are Common in Known Exoplanet Systems by Thea H. Faridani, Smadar Naoz, Gongjie Li, Malena Rice, Nicholas Inzunza

    Published 2024-01-01
    “…For example, farther-orbiting planets have a reduced signal-to-noise ratio in radial velocity detection methods, and small mutual inclinations between planets can prevent them from all transiting. …”
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  6. 286

    Identification of ketamine and its metabolites in biological samples: A systematic review by Sanaz Pashapour

    Published 2025-06-01
    “…Background: While numerous studies have delved into the analysis of ketamine (KET) in biological samples, this forthcoming study undertook a systematic review of diverse methods for identifying KET in various biological samples to attain a more precise estimation. …”
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  7. 287
  8. 288

    Usage and effectiveness of strategies to sit less and move more: evaluation of the BeUpstanding™ national implementation trial by Genevieve N. Healy, Elisabeth A.H. Winkler, Samantha K. Mulcahy, Charlotte L. Brakenridge, Ana D. Goode

    Published 2025-05-01
    “…A national implementation trial of BeUpstanding™ — an online workplace intervention supporting teams of desk-based workers to sit less and move more — successfully reduced worker sitting time in a large sample of workers. …”
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  9. 289

    Weight Mobility and Obesity in a Representative Sample of the US Adult Population by Deanna J. M. Isaman, Amy E. Rothberg

    Published 2018-01-01
    “…We report the 1-year incidence and remission of obesity in a representative sample of the US population. Methods. Individuals from the Medical Expenditure Panel Survey (MEPS) panel 17 were classified into standard obesity categories at enrollment and one year later. …”
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  10. 290
  11. 291

    Sociodemographic factors are related to hair sample collection in economically marginalized families by Jiying Ling, Dalton Goodwin, Charles Given

    Published 2024-12-01
    “…Among these, 78% of parents provided consent to hair sample collection. Hair samples were collected from 81% children and 68% parents.Results: Parents who provided consent reported higher levels of stress and used more avoidant coping strategies compared with those who did not. …”
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  12. 292
  13. 293

    Mothers’ psychopathology and their adult offspring’s cortisol level in a Rwandan sample by Marie C. Ingabire, Serge Caparos, Eugène Rutembesa, Isabelle Blanchette

    Published 2025-05-01
    “…Furthermore, those studies have focused on the association between mothers’ post-traumatic stress disorder (PTSD) and their offspring’s HPA axis functioning. More research is needed among African populations exposed to mass violence to mitigate the intergenerational transmission of trauma. …”
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  14. 294

    Reading Habits Among sample of Hawler Medical College Students in Erbil by Haitham Issa Bahoo, Kameran H. Ismail, Abubakir Majeed Saleh

    Published 2023-01-01
    “…Methods: Descriptive cross-sectional study was carried among a random sample of Hawler College of medicine in Erbil City from 22nd of January to 25th of February 2015, including 200 students from third and fourth stage using a self-administered ques- tionnaires. …”
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  15. 295
  16. 296

    Binge eating disorder recognition and stigma among an adult community sample by Marilou Côté, Marie-Pier Roy, Christopher Rodrigue, Catherine Bégin

    Published 2025-01-01
    “…Methods A sample of 894 adults (88.6% women; Mage = 35.20 ± 14.52) completed an online survey. …”
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  17. 297

    Conformal prediction across scales: Finite-sample coverage with hierarchical efficiency by Ali Baheri, Marzieh Amiri Shahbazi

    Published 2025-05-01
    “…We establish theoretical results confirming that the multi-scale prediction set retains the marginal coverage guarantees of the original conformal framework and can, in fact, yield smaller or more precise sets in practice. By distributing the total miscoverage probability across scales in proportion to their informative power, the method further refines the set sizes. …”
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  18. 298

    Frequency of vitamin D deficiency among teenagers of a Moscow sample by E. E. Mihailov, T A Korotkova, N V Demin, L I Benevolenskaya

    Published 2005-02-01
    “…Results. Boys consumed more calcium with milky products than girls (p<0,0001). …”
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  19. 299

    Comparative analysis of starch grain size distribution in winter triticale samples by В. М. Стариченко, О. М. Корягін, Д. С. Шляхтуров

    Published 2016-07-01
    “…It was found that the minimum average size of starch granules was observed in the samples characterized by minimum maximum size of granules, low frequency of granules of more than 35 µm, and therefore, minimum dispersion. …”
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  20. 300

    The Impact of Age on Outcomes in Seizure Hospitalizations—Analysis of a National Sample by Anudeep Surendranath, Saurabh Singhal, Rahul Khanna, Subhendu Rath, Temenuzhka Mihaylova

    Published 2025-03-01
    “…Using this inflection point, we divided patients into two age groups to examine the impact of age on patient characteristics and hospitalization outcomes for seizures. <b>Methods:</b> Using the 2021 National Inpatient Sample (NIS), a nationally representative database, we conducted a retrospective cohort analysis of adult patients aged ≥18 years admitted with a principal diagnosis of seizures. …”
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