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Wyszukujesz frazę "HU" wg kryterium: Temat

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    Wyświetlanie 1-6 z 6
    Tytuł:
    Geoarchaeological and environmental work at the sacred animal necropolis, north Saqqara, Egypt
    Autorzy:
    Nicholson, P.T.
    Harrison, J.
    Ikram, S.
    Early, E.
    Qin, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/2027030.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Saqqara
    Dog Cata comb
    Ibis
    Rela tive Hu mid ity
    Auger ing
    Opis:
    This pa per sum ma rises work un der taken dur ing the Cat a combs of Anubis pro ject which has ex am ined the Dog Cat a - comb at North Saqqara. It ex am ines the con di tion and nat u ral de cay of the mon u ment as well as look ing at the en virons of the Lake of Abusir at the north ern end of the site.
    Źródło:
    Studia Quaternaria; 2013, 30; 83-89
    1641-5558
    2300-0384
    Pojawia się w:
    Studia Quaternaria
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A hybrid approach for fault diagnosis of spur gears using Hu invariant moments and artificial neural networks
    Autorzy:
    Rex, F. Michael Thomas
    Andrews, A.
    Krishnakumari, A.
    Hariharasakthisudhan, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/220768.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    gear fault
    Ahao-Atlas-Marks
    time-frequency domain features
    Hu invariant moments
    ANN
    Opis:
    Achieving a reliable fault diagnosis for gears under variable operating conditions is a pressing need of industries to ensure productivity by averting unwanted breakdowns. In the present work, a hybrid approach is proposed by integrating Hu invariant moments and an artificial neural network for explicit extraction and classification of gear faults using time-frequency transforms. The Zhao-Atlas-Marks transform is used to convert the raw vibrations signals from the gears into time-frequency distributions. The proposed method is applied to a single-stage spur gearbox with faults created using electric discharge machining in laboratory conditions. The results show the effectiveness of the proposed methodology in classifying the faults in gears with high accuracy.
    Źródło:
    Metrology and Measurement Systems; 2020, 27, 3; 451-464
    0860-8229
    Pojawia się w:
    Metrology and Measurement Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Anthropogenic transformation of the vegetation in the immediate vicinity of the settlement complex in Poganowo (Mrągowo Lakeland, NE Poland)
    Autorzy:
    Szal, Marta
    Kupryjanowicz, Mirosława
    Wyczółkowski, Mariusz
    Powiązania:
    https://bibliotekanauki.pl/articles/2025749.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    hu man im pact
    pol len anal y sis
    fun gal spores
    Masuria
    Mid dle Ages
    Opis:
    The re sults of pol len, non-pol len palynomorph and microcharcoal par ti cle anal y ses of de pos its from a small pond in north east ern Po land are pre sented. The study fo cused on hu man-in duced veg e ta tion changes that oc curred in a close vi cin ity of the set tle ment com plex at Poganowo dur ing the Mid dle Ages (ca 10th–16th cen tu ries). We dis tin guished three phases of hu man im pact. First and third phases cor re spond to in ten si fied set tle ment ac tiv ity. The sec ond phase was a pe riod when hu man ac tiv ity de creased and wood land re gen er a tion took place. The high in ci dence of the par a - sitic fun gus Kretzschmaria deusta in a lo cal for est stand dur ing the third phase was si mul ta neous with nu mer ous spores of coprophilous fungi (Sordaria-type and Cercophora-type). We con sider that Kretzschmaria deusta in hab ited the roots and bases of tree trunks dam aged by dig ging and graz ing an i mals.
    Źródło:
    Studia Quaternaria; 2015, 32; 19-29
    1641-5558
    2300-0384
    Pojawia się w:
    Studia Quaternaria
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessing the representative elementary volume of rock types by X-ray computed tomography (CT) – a simple approach to demonstrate the heterogeneity of the Boda Claystone Formation in Hungary
    Autorzy:
    Abutaha, Saja M.
    Geiger, János
    Gulyás, Sándor
    Fedor, Ferenc
    Powiązania:
    https://bibliotekanauki.pl/articles/2204358.pdf
    Data publikacji:
    2021
    Wydawca:
    Uniwersytet im. Adama Mickiewicza w Poznaniu
    Tematy:
    Hounsfield Unit
    HU
    autoregressive integrated moving average
    ARIMA
    Statistical Process Control
    SPC technique
    skala Hounsfielda
    model ARIMA
    statystyczna kontrola procesu
    SPC
    Opis:
    X-ray computed tomography (CT) can reveal internal, three-dimensional details of objects in a non-destructive way and provide high-resolution, quantitative data in the form of CT numbers. The sensitivity of the CT number to changes in material density means that it may be used to identify lithology changes within cores of sedimentary rocks. The present pilot study confirms the use of Representative Elementary Volume (REV) to quantify inhomogeneity of CT densities of rock constituents of the Boda Claystone Formation. Thirty-two layers, 2 m core length, of this formation were studied. Based on the dominant rock-forming constituent, two rock types could be defined, i.e., clayey siltstone (20 layers) and fine siltstone (12 layers). Eleven of these layers (clayey siltstone and fine siltstone) showed sedimentary features such as, convolute laminations, desiccation cracks, cross-laminations and cracks. The application of the Autoregressive Integrated Moving Averages, Statistical Process Control (ARIMA SPC) method to define Representative Elementary Volume (REV) of CT densities (Hounsfield unit values) affirmed the following results: i) the highest REV values corresponded to the presence of sedimentary structures or high ratios of siltstone constituents (> 60%). ii) the REV average of the clayey siltstone was (5.86 cm3) and (6.54 cm3) of the fine siltstone. iii) normalised REV percentages of the clayey siltstone and fine siltstone, on the scale of the core volume studied were 19.88% and 22.84%; respectively. iv) whenever the corresponding layer did not reveal any sedimentary structure, the normalised REV values would be below 10%. The internal void space in layers with sedimentary features might explain the marked textural heterogeneity and elevated REV values. The drying process of the core sample might also have played a significant role in increasing erroneous pore proportions by volume reducation of clay minerals, particularly within sedimentary structures, where authigenic clay and carbonate cement were presumed to be dominant.
    Źródło:
    Geologos; 2021, 27, 3; 157--172
    1426-8981
    2080-6574
    Pojawia się w:
    Geologos
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Hidden Connections Between NanoTesla Magnetic Fields, Cosic Molecular Resonance, and Photonic Fields Within Living Systems
    Autorzy:
    Persinger, Michael A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1188077.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Cosic RRM; photon flux; nanoTesla magnetic fields; 10-20 Joules; Hu-Wu dipole-dipole effects; Bokkon photonic fields; ultraweak biophoton emissions
    excess correlation
    geomagnetic activity
    spectral power densities
    Opis:
    The interfaces between molecules and the interactions between cells involve very small energies (~10-20 J) and photon flux densities (~10-12 W•m-2) that ultimately control the dynamics and health of the human body. Within the environment there is an increment (± 3 nT) of weak magnetic field fluctuations whose energies within the volume of the human brain display the capacities to affect its properties through nuclear spins in neural membranes. There is a conservation of energy. Within the same volume when there are increases in photon flux densities from cells and human cerebrums there are decreases of interfacial geomagnetic field intensities within the nanoTesla range. The spectral power densities of the sequential quantifications of pseudopotentials of the amino acids that compose proteins and the nucleotides that construct DNA and RNA predict the functions of molecular pathways as electromagnetic resonances. They operate through these small energies, photon flux densities, and fluctuating magnetic fields. Whereas metabolic-level energies operate the mechanics of the multivariate molecular pathways for cell signaling the photon wavelengths predicted by the Cosic Resonant Recognition Model may be the templates and the initiators. The involvement of specific peaks of photon wavelengths that are the energetic equivalents of molecular structures containing intrinsic phase-modulations creates the conditions for excess correlations (“entanglement”) and potential non-locality within the total human environment. This alternative perspective may facilitate developments of different strategies and technologies for solving the challenges of global public health in the 21st century.
    Źródło:
    World Scientific News; 2016, 56; 1-20
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of legislative background on the fight against human trfficking in the Slovak Republic
    Autorzy:
    Mihoková, Emilia
    Powiązania:
    https://bibliotekanauki.pl/articles/2157855.pdf
    Data publikacji:
    2017
    Wydawca:
    Instytut Studiów Międzynarodowych i Edukacji Humanum
    Tematy:
    trafficking in human beings
    the national coordinator
    victim of human trafficking
    identification of victims
    victim assistance
    support and protection of victims of trafficking in hu- man beings
    the national programe for the fight against trafficking in human beings
    the law on the fight against trafficking in human beings
    Opis:
    Human trafficking crosses borders between regions, countries and continents. Taking into account this fact, it is clear that the effort to improve the fight against this unwanted phenomenon requires international cooperation between Member States. This post presents an analysis of the current legal status of the fight against trafficking in human beings in the Slovak Republic in accordance with the rules of the Council of Europe. To make the fight against trafficking in human beings, the authors of the article proposed in the Slovak Republic special legislation aimed at combating trafficking in human beings with an emphasis to deal with the coordination area, but also in the identification of victims of trafficking in human beings and the provision of aid to these victims.
    Źródło:
    Społeczeństwo i Edukacja. Międzynarodowe Studia Humanistyczne; 2017, 1(24); 103-113
    1898-0171
    Pojawia się w:
    Społeczeństwo i Edukacja. Międzynarodowe Studia Humanistyczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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