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Wyszukujesz frazę "Castillo, C." wg kryterium: Autor

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    Wyświetlanie 1-11 z 11
    Tytuł:
    “CRAWL.PL” Measuring Statistical and Structural Properties of the Polish Web : Technical Report
    Autorzy:
    Castillo, C.
    Starosta, B.
    Sydow, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/92889.pdf
    Data publikacji:
    2007
    Wydawca:
    Uniwersytet Przyrodniczo-Humanistyczny w Siedlcach
    Tematy:
    web crawling
    web graph
    Page rank
    Polish Web
    Opis:
    This document summarizes the results of an experiment made in the Polish-Japanese Institute of Information Technology, Warsaw, Poland during autumn 2005 and winter 2006. The goal of the project was to collect and analyze large portion of Polish Web documents in order to characterize the structure and other properties of the „.pl” domain. Up to the knowledge of the authors, it was the first publicly reported research experiment of this kind over the Polish Web. The following sections include information about downloaded Web pages, Web sites, and their characteristics. We also present various statistics concerning hosts and domains, as well as the link structure. Among the results of the experiment are the first data sets representing graphs of the Polish Web which will be publicly available for other researchers.
    Źródło:
    Studia Informatica : systems and information technology; 2007, 1(8); 43-73
    1731-2264
    Pojawia się w:
    Studia Informatica : systems and information technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Chetumal: modelo de desarrollo urbano en el trópico húmedo mexicano
    Autorzy:
    Castillo Villanueva, M. C. Lourdes
    Powiązania:
    https://bibliotekanauki.pl/articles/938057.pdf
    Data publikacji:
    2004
    Wydawca:
    Uniwersytet Warszawski. Wydawnictwa Uniwersytetu Warszawskiego
    Źródło:
    Revista del CESLA. International Latin American Studies Review; 2004, 6; 89-104
    1641-4713
    Pojawia się w:
    Revista del CESLA. International Latin American Studies Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Chemical Interactions to Cleanup Highly Polluted Automobile Service Station Wastewater by Bioadsorption-Coagulation-Flocculation
    Autorzy:
    Banchon, C.
    Castillo, A.
    Posligua, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/124468.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    adsorption
    agricultural wastes
    bagasse
    coconut coir
    sawdust
    sludge
    Opis:
    The present study addresses an ecofriendly solution to treat automobile service stations effluents with high concentrations of oily substances, surfactants, organic matter and heavy metals. Bioadsorption using sawdust from pine trees, sugar cane bagasse and coconut coir without any chemical modification removed colloidal contamination up to 70%. Polyaluminium chloride, ferric chloride and polyacrylamide were applied to remove dissolved and colloidal pollutants under saline conditions without change of initial pH. Both bioadsorption and coagulation-flocculation removed up to 97.8% of BOD, COD, surfactants and heavy metals at a saline concentration of 1.5% NaCl. The increase of ionic strength promoted a high sludge index and a representative cost saving in chemicals consumption of almost 70%. High levels of pollution removal with the minimal use of chemicals is herein presented.
    Źródło:
    Journal of Ecological Engineering; 2017, 18, 1; 1-10
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pattern of infection with Parapharyngodon riojensis Ramallo, Bursey, Goldberg 2002 (Nematoda: Pharyngodonidae) in the lizard Phymaturus extrilidus from Puna region, Argentina
    Autorzy:
    Castillo, G.
    Acosta, J.C.
    Ramallo, G.
    Pizarro, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/5830.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Źródło:
    Annals of Parasitology; 2018, 64, 2
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Co-occurrence of pathogenic and non-pathogenic Fusarium decemcellulare and Lasiodiplodia theobromae isolates in cushion galls disease of cacao (Theobroma cacao L.)
    Autorzy:
    Castillo,del, D.S.
    Parra, D.
    Noceda, C.
    Perez-Martinez, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/66527.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    co-occurrence
    pathogenic fungi
    non-pathogenic microorganism
    Fusarium decemcellulare
    Lasiodiplodia theobromae
    isolate
    fungi
    gall disease
    cacao
    Theobroma cacao
    Opis:
    Flowery cushion gall of cacao is a disease complex with six types. Fusarium decemcellulare have been isolated from both flowery and green point galls and recognized as the etiological agent of the disease. In the present work we: i) identified by ITS-rDNA sequencing and/or taxonomy the cultivable fungal species or Operative Taxonomic Units (OTUs) associated with the five symptoms of cushion galls in cacao from Venezuela, and ii) determined the gall inducing capacity on cacao peeled seeds after 45 days of inoculation with suspensions of mycelia/ spores from distinct isolate types. The whole isolate collection rendered an abundance of 113 isolates with a richness of 39 OTUs (27) and eight identified at the species or genera levels, respectively, and in unidentified fungi. The dominant recovered species (≈36%) were F. decemcellulare and Lasiodiplodia theobromae. Some isolates of F. decemcellulare, L. theobromae, F. equiseti, Fusarium spp., F. solani, F. incarnatum, Rhizocthonia solani and Penicillium sp. were pathogenic. Some other isolates of the first six mentioned taxa behave as non-pathogenic. Furthermore, pathogenic and non-pathogenic isolates can also co-occur within a single plant and gall type. Moreover, 2–5 species within a single gall symptom in a single tree were identified (not necessarily at the same point in the tree), indicating a broad diversity of co-occurring taxa.
    Źródło:
    Journal of Plant Protection Research; 2016, 56, 2
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New association between Amblyomma parvitarsum (Acari: Ixodidae) and the endemic lizard Liolaemus eleodori (Iguania: Liolaemidae) in Argentina
    Autorzy:
    Castillo, G.N.
    Acosta, J.C.
    Rodríguez-Munoz, M.
    Martínez, T.
    Gonzalez-Rivas, C.
    Nava, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/5570.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Źródło:
    Annals of Parasitology; 2019, 65, 1
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Measurement of agglomerate shape using three-dimensional reconstruction based on a laser displacement sensor
    Autorzy:
    Zavala De Paz, J. P.
    Castillo Castañeda, E.
    Soto Herrera, J.
    Turchiuli, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/220899.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    agglomerated particles
    laser displacement sensor
    shape parameters
    three-dimensional reconstruction
    Opis:
    The agglomeration of particles is a process that modifies the physical properties of a product originally manufactured as a powder. During milk powder agglomeration of fluidized bed, resulting agglomerates are sufficiently porous to improve the solubility of the final product but, at the same time, their rigidity decreases and agglomerates can be destroyed during packing. The porosity and rigidity properties depend on both the volume and shape characteristics of the agglomerates. This paper presents a three-dimensional reconstruction technique based on a laser displacement sensor (LDS) applied to characterize milk agglomerates. This technique allows three-dimensional scanning to estimate particle volume and extract shape parameters such as: sphericity, elongation and flatness ratio, shape factor and aspect ratio. This technique was implemented using a mechatronic device with two degrees of freedom. The device is composed of an angular positioning system to rotate the agglomerate and a linear positioning system to displace the LDS. Experimental result allows agglomerates classification according to shape parameters.
    Źródło:
    Metrology and Measurement Systems; 2013, 20, 3; 407-418
    0860-8229
    Pojawia się w:
    Metrology and Measurement Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Differential anti-insect activity of natural products isolated from Dodonaea viscosa Jacq. (Sapindaceae)
    Autorzy:
    Diaz, M.
    Diaz, C.E.
    Alvares, R.G.
    Gonzalez, A.
    Castillo, L.
    Gonzalez-Coloma, A.
    Seoane, G.
    Rossini, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/66684.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    Botanical biopesticides constitute an important tool for Integrated Pest Management practices. Uruguay has a great potential for developing botanical biopesticides from its abundant native flora. Dodonaea viscosa Jacq. is a native Sapindaceae that in preliminary studies was shown to possess a potential deterrent activity against insect models. In this work, ethanolic extracts of the leaves of this species were studied. Bioguided fractionation and supercritical fluid extraction led to the isolation of active compounds. For that purpose four insect models were used: Epilachna paenulata, Spodoptera littoralis, Myzus persicae, and Rhopalosiphum padi, which are pests of crops of economic importance. Lupeol, stigmasterol, stigmast-7-en-3-ol, and a labdane diterpene were isolated and showed differential activity against the models.
    Źródło:
    Journal of Plant Protection Research; 2015, 55, 2
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Using the conservative nature of fresh leaf surface density to measure foliar area
    Autorzy:
    Castillo, O.S.
    Zaragoza, E.M.
    Alvarado, C.J.
    Barrera, M.G.
    Dasgupta-Schubert, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/24671.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    nature
    leaf area
    fresh leaf
    leaf surface
    surface density
    measurement
    foliar part
    leaf mass
    planimetry
    Opis:
    For a herbaceous species, the inverse of the fresh leaf surface density, the Hughes constant, is nearly conserved. We apply the Hughes constant to develop an absolute method of leafarea measurement that requires no regression fits, prior calibrations or oven-drying. The Hughes constant was determined in situ using a known geometry and weights of a sub-set obtained from the fresh leaves whose areas are desired. Subsequently, the leaf-areas (at any desired stratification level), were derived by utilizing the Hughes constant and the masses of the fresh leaves. The proof of concept was established for leaf-discs of the plants Mandevilla splendens and Spathiphyllum wallisii. The conservativeness of the Hughes constant over individual leaf-zones and different leaftypes from the leaves of each species was quantitatively validated. Using the globally averaged Hughes constant for each species, the leaf-area of these and additional co-species plants, were obtained. The leaf-area-measurement-by-mass was cross-checked with standard digital image analysis. There were no statistically significant differences between the leaf-area-measurement-by-mass and the digital image analysis measured leaf-areas and the linear correlation between the two methods was very good. Leaf-areameasurement- by-mass was found to be rapid and simple with accuracies comparable to the digital image analysis method. The greatly reduced cost of leaf-area-measurement-by-mass could be beneficial for small agri-businesses in developing countries.
    Źródło:
    International Agrophysics; 2014, 28, 4
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An improved recommender system to avoid the persistent information overload in a university digital library
    Autorzy:
    Porcel, C.
    Morales del Castillo, J. M.
    Cobo, M. J.
    Ruiz, A. A.
    Herrera-Viedma, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/970184.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    recommender systems
    information overload
    university digital libraries
    fuzzy linguistic modeling
    Opis:
    Nowadays we are continuously bombarded with a lot of information, and because of it we have serious problems with accessing the relevant information, that is, we suffer from the information overload problems. Recommender systems have been applied successfully to avoid the information overload in different domains, but the number of electronic resources daily generated keeps growing and the problem rises again. Therefore, we find a persistent problem of information overload. In this paper we propose an improved recommender system to avoid the persistent information overload found in a University Digital Library. The idea is to include a memory to remember selected resources but not recommended to the user, and in such a way, the system could incorporate them in future recommendations to complete the set of filtered resources, for example, if there are a few resources to be recommended or if the user wishes output obtained by combination of resources selected in different recommendation rounds.
    Źródło:
    Control and Cybernetics; 2010, 39, 4; 899-923
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Structure, Morphology and Electrical Properties of CaTiO3 Ceramics Synthesized by the Solid-State Reaction Method
    Autorzy:
    Rocha-Rangel, E.
    López-Hernández, J.
    Castillo-Martínez, J. A.
    Osorio-Ramos, J. J.
    Calles-Arriaga, C. A.
    Estrada-Guel, I.
    Martínez-Sánchez, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/352238.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    CaTiO3
    solid state synthesis
    electrical properties
    insulating ceramics
    Opis:
    In this paper, explain the preparation of CaTiO3 ceramics synthesized by the solid-state reaction method. Calcium carbonate and titanium dioxide were high energy mixed in stoichiometric amounts, and the obtained mixture was calcined at different temperatures (800, 900, 1000 and 1300ºC) for 2h. The obtained samples were characterized by measurement of particle size, Energy Dispersive X-Ray (EDX) Analysis; differential thermal analysis, X-ray diffraction and SEM images. XRD patterns indicated that CaTiO3 ceramics with the structure of perovskite is obtained from calcined powders at 1,300°C for 2h. SEM images show the formation of a very fine and homogeneous morphology. The measured values of electrical resistivity were within the typical range of insulating materials and approach values corresponding to insulating ceramics.
    Źródło:
    Archives of Metallurgy and Materials; 2018, 63, 4; 1749-1753
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-11 z 11

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