Search Results - Spectrum analysis.

  1. Social tolerance for human diversity in Sub-Saharan Africa by Bangwayo-Skeete, P.F., Zikhali, Precious

    Published 2011
    “…Originality/value - The originality of the analysis lies in the joint analysis or determination of a wider spectrum of social tolerance indicators. …”
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    Journal Article
  2. Exploiting the successive projections algorithm to improve the quantification of chemical constituents and discrimination of botanical origin of Argentinean bee-pollen by Vallese, Federico Danilo, Garcia Paoloni, María Soledad, Springer, Valeria, Fernandes, David Douglas de Sousa, Diniz, Paulo Henrique Gonçalves Dias, Pistonesi, Marcelo Fabián

    Published 2024
    “…Thus, this work employed near-infrared (NIR) spectroscopy and chemometrics to perform the quality control of Argentinean bee-pollen. Compared to full spectrum models, the successive projections algorithm (SPA) for selection of intervals or individual variables always achieved the best results for quantitative and qualitative approaches. …”
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    Artículo
  3. Non-destructive assessment of the internal quality of intact persimmon using colour and VIS/NIR hyperspectral imaging by Munera, Sandra, Besada, Cristina, Aleixos, Nuria, Talens, Pau, Salvador, Alejandra, Sun, Da-Wen, Cubero, Sergio, Blasco, José

    Published 2017
    “…Additionally, flesh firmness was predicted by partial least square regression (PLSR). The full spectrum was used to determine the internal properties and later principal component analysis (PCA) was used to select optimal wavelengths (580, 680 and 1050 nm). …”
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    Artículo
  4. Potential of VIS-NIR hyperspectral imaging and chemometric methods to identify similar cultivars of nectarine by Munera, Sandra, Amigo, José M., Aleixos, Nuria, Talens, Pau, Cubero, Sergio, Blasco, José

    Published 2017
    “…Partial least squares discriminant analysis (PLS-DA) was used to develop a prediction model to distinguish intact fruits of the cultivars using pixel-wise and mean spectrum approaches, and then the model was projected onto the complete surface of fruits allowing visual inspection. …”
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    Artículo preliminar
  5. Uncovering the economic value of natural enemies and true costs of chemical insecticides to cotton farmers in China by Huang, Jikun, Zhou, Ke, Zhang, Wei, Deng, Xiangzheng, Werf, Wopke van der, Lu, Yanhui, Wu, Kongming, Rosegrant, Mark W.

    Published 2018
    “…Using insect sampling and household survey in an integrated bio-economic analysis framework, this paper studies farmers' crop management practices in cotton in the North China Plain, and estimates the marginal value of natural enemies and costs of chemical insecticides to farmers. …”
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    Journal Article
  6. Non-Destructive Appraisal of Macro- and Micronutrients in Persimmon Leaves Using Vis/NIR Hyperspectral Imaging by Acosta, Maylin, Rodríguez-Carretero, Isabel, Blasco, José, De-Paz, José M., Quinones, Ana

    Published 2023
    “…The average reflectance spectrum of each leaf was extracted, and foliar ionomic analysis was used as a reference method to determine the actual concentration of the nutrients in the leaves. …”
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  7. Leaf wetness duration in irrigated citrus orchards in the Mediterranean climate conditions by Bassimba, Daniel, Intrigliolo, Diego S., Dalla Marta, Anna, Orlandini, Simone, Vicent, Antonio

    Published 2018
    “…LWD in six canopy positions and two leaf sides was studied with visual observations and Spectrum LW sensors in a citrus orchard in Spain. The performance of Spectrum and Hobo LW sensors, and CART/SLD and RH LW models was assessed by receiver operating characteristic (ROC) curve analysis. …”
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    Artículo
  8. Scaling-up interventions to improve infant and young child feeding in India: What will it take? by Avula, Rasmi, Oddo, Vanessa M., Kadiyala, Suneetha, Menon, Purnima

    Published 2017
    “…We conclude that India is well positioned to support the full spectrum of IYCF using existing policies and delivery platforms, but capacity, financing, and evidence gaps on critical areas of programming can limit impact at scale.…”
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    Journal Article
  9. Hjärtfrekvensvariabilitet hos friska hundar by Törner, Maria

    Published 2010
    “…Heart rate variability can be measured by time domain - and frequency domain analysis. In a time domain analysis you study the beat-to-beat-interval (RR-interval) in an electrocardiogram (ECG), while a frequency domain analysis can be used to determine the size of the variability. …”
    M2
  10. Avirulence (AVR) gene-based diagnosis complements existing pathogen surveillance tools for effective deployment of resistance (R) genes against rice blast disease by Selisana, S.M., Yanoria, M.J., Quime, B., Chaipanya, C., Lu, G., Opulencia, R., Wang, G.-L., Mitchell, T., Correll, J., Talbot, N.J., Leung, H., Zhou, B.

    Published 2017
    “…In this study, an AVR-gene-based diagnosis tool for determining the virulence spectrum of a rice blast pathogen population was developed and validated. …”
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    Journal Article
  11. Understanding biological control with entomopathogenic fungi-Insights from a stochastic pest-pathogen model by Djouda, Byliole S., Ndjomatchoua, Frank T., Moukam Kakmeni, F.M., Tchawoua, Clément, Tonnang, Henri E. Z.

    Published 2021
    “…A large size population led to a spatial and temporal resonant stochasticity and also induces an amplification effect on power spectrum density.…”
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    Journal Article
  12. Photosynthesis Research: A Model to Bridge Fundamental Science, Translational Products and Socio-economic Considerations in Agriculture by Kohli, Ajay, Miro, Berta, Balié, Jean, d’A Hughes, Jacqueline

    Published 2020
    “…Two crucial recommendations from the analysis of the state of knowledge and potential ways forward are (i) the formulation of integrative mega-projects, which span the multistakeholder spectrum, to ensure rapid success in harnessing the transformative power of photosynthesis; and (ii) stipulating spatiotemporal, labour, and economic criteria to stage-gate deliverables.…”
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  13. Genetic diversity of the rice blast fungus in a disease nursery in Colombia by Levy, M., Correa Victoria, Fernando J., Zeigler, Robert S., Xu, S, Hamer, JE

    Published 1993
    “…Typically, the pathotypes within a lineage had a closely related infection spectrum, differing by single compatibility differences on a particular subset of the international differentials. …”
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    Journal Article
  14. The reliability and validity of the social responsiveness scale to measure autism symptomology in Vietnamese children by Nguyen, Phuong Hong, Ocansey, Maku E., Miller, Meghan, Le, Dung T. K., Schmidt, Rebecca J., Prado, Elizabeth L.

    Published 2019
    “…We applied receiver operator characteristic (ROC) analysis to determine optimal cutoff scores discriminating the children with ASD from those without ASD. …”
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    Journal Article
  15. In-line Application of Visible and Near-Infrared Diffuse Reflectance Spectroscopy to Identify Apple Varieties by Cortés, Victoria, Cubero, Sergio, Blasco, José, Aleixos, Nuria

    Published 2019
    “…Seven principal components were then used to perform linear discriminant analysis (LDA) and quadratic discriminant analysis (QDA). …”
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    Artículo

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