Showing 2,041 - 2,060 results of 3,983 for search 'Projective sampling', query time: 0.09s Refine Results
  1. 2041

    Environmental quality evaluation of soil from Pernambuco’s recreational park by Cássia K. L. Fonseca, Vivianne L. B. Souza, Bárbara E. S. Melo, Sandra Dias Barbosa, Waldecy Ananias da Silva

    Published 2018-07-01
    “…Considering the possibility of negative health effects caused by local contaminants, the concentration of Cu, Fe, Mn, Ni, Pb and Zn in the soil of the Apipucos Maximiano Campos Park was determined by the Energy Dispersive X-Ray Fluorescence (EDXRF) technique. Fifteen soil samples were collected at three locations, under the vertical projection of tree crowns. …”
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  2. 2042
  3. 2043

    Features of the pre-analytical stage in quantitative determination of TREC/KREC in peripheral blood by M. A. Saitgalina, Yu. V. Ostankova, A. V. Sedykh, A. A. Totolian

    Published 2023-11-01
    “…DBS quality was assessed visually.In the first months of the project, a significant number of incorrectly taken samples were identified – over a third of all DNA maps received for each corresponding month. …”
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  4. 2044

    Application of Partial Least Squares-Discriminate Analysis Model Based on Water Chemical Compositions in Identifying Water Inrush Sources from Multiple Aquifers in Mines by Yaoshan Bi, Jiwen Wu, Xiaorong Zhai, Shuhao Shen, Libin Tang, Kai Huang, Dawei Zhang

    Published 2021-01-01
    “…PCA and PLS-DA methods were used to analyze and process the remaining water sample data, and on the basis of PCA analysis, the remaining 38 water samples were used to establish the PLS-DA discriminant model. …”
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    Article
  5. 2045

    Non-targeted Metabolomic Analysis of Aroma Metabolites of Black Teas from Different Production Regions in China by WANG Qiushuang, QIN Dandan, FANG Kaixing, JIANG Xiaohui, WANG Qing, LI Bo, LI Hongjian, NI Erdong, PAN Chendong, WU Hualing

    Published 2025-07-01
    “…Partial least squares-discriminant analysis (PLS-DA) allowed clear differentiation black tea samples from different regions of China, and 27 differential aroma metabolites were identified based on variable importance in projection (VIP) values > 1.0, among which seven including linalool, phenylethanol, phenylacetaldehyde, methyl salicylate, hexanoic acid, 1-methylnaphthalene, and geraniol had aroma activity with OAV > 1. …”
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  6. 2046

    Sex Determination Using Linear Anthropometric Measurements Relative to the Mandibular Reference Plane on CBCT 3D Images by Nikolaos Christoloukas, Anastasia Mitsea, Leda Kovatsi, Christos Angelopoulos

    Published 2025-07-01
    “…Five linear measurements were traced on 3D reconstructions using ViewBox 4 software: projections of the inferior points of the right and left mental and mandibular foramina and the linear distance between mental foramina projections. …”
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  7. 2047

    Strength degradation of soft interlayer under dry-wet cycles based on 3D printing technology by Hao LIU, Wen ZHANG, Lei LU

    Published 2025-05-01
    “…This study provides valuable insights for slope stability assessments in energy dissipation and water storage projects.…”
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    Article
  8. 2048

    Risks and Challenges of Oversized Transport in the Energy Industry by Dariusz Masłowski, Małgorzata Dendera-Gruszka, Julia Giera, Ewa Kulińska, Krzysztof Olejnik, Justyna Szumidłowska

    Published 2024-12-01
    “…The implementation of wind farm construction projects requires not only advanced technological solutions but also special attention to transport safety and the organization of logistical processes. …”
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  9. 2049

    The prevalence of carbohydrate metabolism disorders in patients after coronavirus infection by T. N. Markova, A. A. Anchutina, V. Yu. Garib, T. O. Yalochkina

    Published 2022-11-01
    “…A single-center observational cross-sectional comparative study was conducted among a random population sample of the adult population of the city of Moscow who applied to the pavilion "Healthy Moscow". …”
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  10. 2050

    Assessing COVID-19 seroprevalence and vaccine uptake among women of reproductive-age in Zanzibar's archipelago. by Karim Manji, Ame Masemo Ame, Sayan Das, Ali Salim Ali, Navdeep Singh, Fahad Aftab, Arup Dutta, Saikat Deb

    Published 2025-01-01
    “…The proposed pilot, cross-sectional, facility-based study obtained a random sample of 1082 women of reproductive age visiting PHCUs from Unguja and Pemba. …”
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  11. 2051

    Deep learning health space model for ordered responses by Chanhee Lee, Taesung Park

    Published 2025-05-01
    “…We trained these models using 32,140 samples from the Korea National Health and Nutrition Examination Survey (KNHANES) and validated them with data from the Ewha-Boramae cohort (862 samples) and the Korea Association Resource (KARE) project (3,199 samples). …”
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  12. 2052
  13. 2053

    Detection of Adulteration of Panax Notoginseng Powder by Terahertz Technology by Bin Li, Hai Yin, A-kun Yang, Ai-guo Ouyang

    Published 2022-01-01
    “…The combined terahertz time-domain spectroscopy (THz-TDS) and chemometric technology is used to detect the adulteration of similar substances in Panax notoginseng powder. Four kinds of samples are prepared in the experiment, three kinds of adulterated samples are Panax notoginseng powder adulterating with zedoary turmeric powder, Panax notoginseng powder adulterating with wheat flour, and Panax notoginseng powder adulterating with rice flour, respectively. …”
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  14. 2054

    Deriving Verified Vehicle Trajectories from LiDAR Sensor Data to Evaluate Traffic Signal Performance by Enrique D. Saldivar-Carranza, Darcy M. Bullock

    Published 2024-07-01
    “…Noise is filtered for each detected vehicle by iteratively projecting each sample’s future location and keeping the subsequent sample that is close enough to the estimated destination. …”
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  15. 2055

    Thyroid differentiation profile for differentiated thyroid cancer by Anthony J McGoron, Jose M Garcia, Burulça Uluvar, Seza A Gulec

    Published 2025-02-01
    “…Fifty-nine papillary thyroid cancer samples from the TCGA project with matched tumor-normal tissue samples were analyzed. …”
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  16. 2056

    Effects of different additional carbohydrate sources on the quality and aroma of mulberry wine by CAO Yutong, QIANG Wenle, FU Hao, MA Chenglong, TIAN Haoyang, LI Kaian, ZHANG Hongsong, MA Tengzhen

    Published 2024-08-01
    “…A total of 61 volatile compounds were detected in all the wine samples, and wine PT sample had the most aroma substances (54 kinds). …”
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  17. 2057
  18. 2058
  19. 2059

    Machine-Learning-Assisted Aroma Profile Prediction in Five Different Quality Grades of Nongxiangxing Baijiu Fermented During Summer Using Sensory Evaluation Combined with GC×GC–TOF... by Dongliang Shao, Wei Cheng, Chao Jiang, Tianquan Pan, Na Li, Mengmeng Li, Ruilong Li, Wei Lan, Xianfeng Du

    Published 2025-05-01
    “…Principal component analysis (PCA) combined with orthogonal partial least squares discriminant analysis (OPLS-DA) enabled us to distinguish different samples, with eight VOCs emerging as primary contributors to the aroma of the samples, possessing variable importance in projection (VIP) values > 1. …”
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  20. 2060