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    Wyświetlanie 1-11 z 11
    Tytuł:
    Koncepcja i analiza działania projektu wirnika nosnego współosiowego współbieżnego na przykładzie rozwiązania dla śmigłowca IS-2
    Idea and performance analysis of the coaxial synchronous lifting rotor project on the solution example for the IS-2 helicopter
    Autorzy:
    Filipiak, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/213892.pdf
    Data publikacji:
    2008
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Lotnictwa
    Tematy:
    lotnictwo
    śmigłowce
    projekt wirnika nośnego współosiowego współbieżnego
    śmigłowiec IS-2
    aviation
    helicopters
    coaxial synchronous lifting rotor
    IS-2 helicopter
    Opis:
    W artykule przedstawiono wstępną koncepcję wirnika nośnego o liczbie łopat większej od pięciu. Rozwiązanie takie pozwoli na obniżenie poziomu emitowanego hałasu przez wirnik nośny. Dodatkowo zwiększona liczba łopat wirnika spowoduje mniejszy poziom drgań powstających na wirniku i przenoszonych na kadłub śmigłowca.
    In the article is submitted the initial idea of lifting rotor with the blades number greater than five. Such solution will permit on the lowering noise level caused by the lifting rotor. Additionally, the increased number of the rotor blades will cause lowering of the rotor vibrations level, later transferred on the helicopter fuselage.
    Źródło:
    Prace Instytutu Lotnictwa; 2008, 3-4 (194-195); 240-250
    0509-6669
    2300-5408
    Pojawia się w:
    Prace Instytutu Lotnictwa
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Palinologia dolnodewońskich i środkowodewońskich osadów klastycznych z otworu wiertniczego Trojanowice 2
    Palynology of the Lower and Middle Devonian clastic rocks from the Trojanowice 2 borehole (Southern Poland)
    Autorzy:
    Filipiak, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/2061881.pdf
    Data publikacji:
    2014
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    palinofacje
    miospory
    dewon
    ems
    eifel
    palinostratygrafia
    palynostratigraphy
    palynofacies
    miospores
    Devonian
    Emsian
    Eifelian
    Opis:
    Kompleksowe badania palinologiczne przeprowadzono na 37 próbkach z otworu wiertniczego Trojanowice 2, z interwału 502,0–558,8 m. Na podstawie rozpoznanych gatunków miospor wyróżniono dwa standardowe poziomy miosporowe: Emphanisporites annulatus-Camarozonotriletes sextantii z emsu oraz Grandispora douglastownense-Ancyrospora eurypterota z pogranicza emsu i eiflu. Przeprowadzone anlizy palinofacjlne pozwoliły określić środowisko sedymentacji spągowych partii profilu na morskie, bliskiego brzegu, z intensywną dostawą materiału organicznego z lądu.W części stropowej stwierdzono natomiast nieco głębsze warunki depozycji, w większym oddaleniu od obszarów źródłowych. Analiza kolorystyczna wykazała dojrzały stopień przeobrażenia termicznego materii organicznej. Formalnie opisano po raz pierwszy dwa nowe gatunki miospor: Camptozonotriletes reticulum sp.n. i Perotrilites asymmetricus sp.n.
    The palynological investigation were carried out on 37 samples from the Trojanowice 2 borehole from a depth interval of 502.0–558.8 m. Based on the presence of index and important microflora species two standard miospore zones were recognized: Emphanisporites annulatus-Camarozonotriletes sextantii, from the Emsian and Grandispora douglastownense-Ancyrospora eurypterota from the Emsian/ Eifelian transition interval. Palynofacies from the lower part of the section indicate marginal marine palaeoenvironmental conditions. Palynofacies from the upper part prove deeper marine conditions further from the shoreline. Additionally, spore colour analyses revealed a high degree of thermal transformation. Two new miospore taxa have been formally erected: Camptozonotriletes reticulum sp.n. and Perotrilites asymmetricus sp.n.
    Źródło:
    Biuletyn Państwowego Instytutu Geologicznego; 2014, 459; 7--31
    0867-6143
    Pojawia się w:
    Biuletyn Państwowego Instytutu Geologicznego
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Nowe dane na temat flory z famenu Gór Świętokrzyskich
    The new findings of macroflora from the Famennian of the Holy Cross Mountains
    Autorzy:
    Dąbrowska, K.
    Filipiak, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074487.pdf
    Data publikacji:
    2006
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    mikroflora
    makroflora
    Góry Świętokrzyskie
    macroflora
    microflora
    Archaeopteris
    Famennian
    Holy Cross Mountains
    Opis:
    New macroflora remains were found from the Famennian strata (unit J) from the Kowala Quarry (the Holy Cross Mts., central Poland). Palynological research indicates presence of the VF (Diducites versabilis-Grandispora famenensis) miospore Zone. Macroflora is very well preserved as many carbonized parts or imprints. Preliminary observations indicate that those remains can belong to genus Archaeopteris. This cosmopolitan genus has been earlier reported from Poland in the Sudetes Mts. from similar stratigraphic position.
    Źródło:
    Przegląd Geologiczny; 2006, 54, 8; 720-723
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Analysis of Feedrate Correction Influence on Corner Radius Errors of Workpieces During Milling
    Autorzy:
    Józwik, J.
    Filipiak, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/971217.pdf
    Data publikacji:
    2009
    Wydawca:
    Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
    Tematy:
    cutting process
    correction of feed rate
    radius errors
    workpiece
    CNC machine
    Opis:
    Geometrical accuracy of workpieces manufactured in CNC technology is dependent on many different factors, such as the parameters of a cutting process. The most significant are: cutting velocity vc and feed rate vf but also proper cooling and appropriate rigidity of a machine tool. Values of these parameters are dependant on the kind of a workpiece and on the applied tools. Considering shape complexity of a workpiece, dimensional and shape errors can appear, for example deviations of flatness, rectilinearity and radius roundness, etc. To avoid errors connected with geometrical profile, the parameters of machining should be selected in such way to obtain maximal value of quality rating of a product considering its shape and dimension. The aim of this paper is to evaluate the correction of feed rate (vf ) influence on radius errors of a workpiece's corners and to define the relation between technological conditions of cutting process and the actual shape of radius after machining. In theoretical part, the influence of different factors on the accuracy of cutting on CNC machine was included; the main focus was on the accuracy of cuttings the corners with different radii. The practical part consists of corner's radius errors measurements with the usage of coordinate measuring machine and complex analysis of research findings. The findings were presented in the form of diagrams and charts. Because of the fact that the feed rate influences the global time of workpieces' machining, the findings presented in this paper enable the production engineers to choose the optimal value of feed rate during the cutting of corners on CNC machines. It is very important during machining of matrices which construction consists of many corners with given radii that are placed between perpendicular and slant walls.
    Źródło:
    Journal of Machine Engineering; 2009, 9, 1; 66-77
    1895-7595
    2391-8071
    Pojawia się w:
    Journal of Machine Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Proliferation of abnormal palynoflora during the end-Devonian biotic crisis
    Autorzy:
    Filipiak, P.
    Racki, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/2059045.pdf
    Data publikacji:
    2010
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Devonian-Carboniferous transition
    mutation
    palynomorphs
    tetrads
    mass extinction
    volcanism
    Opis:
    The dispersed miospore assemblage of the Retispora lepidophyta-Verrucosisporites nitidus (LN) Zone from the Holy Cross Mountains(Poland) is marked by enrichment (above 4%) in abnormal spore morphotypes during a terrestrial flora turnover close to the Devonian-Carboniferous boundary, recorded just above the Hangenberg Black Shale level. Incomplete and complete tetrads represent mostly Vallatisporites spp., supplemented by Grandispora, Retusotriletes and Apiculiretusispora. Additional peculiar morphotypes, marked byanomalous overall shape and ornamentation, are interpreted as mutated varieties of Vallatisporites based on intermediate morphologicalstages, connecting them with this well known genus. This relatively high aberrant palynomorph frequency is accompanied by volcanicash intercalations, as well as by charcoal debris and polycyclic aromatic biomarkers indicative of forest wildfire. Thus, the anomalousspore morphology could reflect the mutagenic effect of regional acidification due to explosive volcanism. However, palynological literature data from NW France and Canada highlight the possibility of a supra-regional mutated miospore signal near the Devonian-Carboniferous boundary, and there is need for high-resolution studies of the LN Zone to examine this. The end-Permian scenario of abnormalfloral growth in immensely stressed habitats may therefore apply to other potentially volcanically-induced biotic turnovers.
    Źródło:
    Geological Quarterly; 2010, 54, 1; 1-14
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Contemporary Management of Green Infrastructure within the Borders of Wrocław Functional Area (WrOF)
    Współczesne kształtowanie zielonej infrastruktury we Wrocławskim Obszarze Funkcjonalnym (WrOF)
    Autorzy:
    Niedźwiecka-Filipiak, I.
    Potyrała, J.
    Filipiak, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1190078.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Przyrodniczy we Wrocławiu
    Tematy:
    zielona infrastruktura
    pasy zieleni
    obszar metropolitarny
    krajobraz wiejski
    green infrastructure
    green belts
    metropolitan areas
    rural landscape
    Opis:
    W niniejszym artykule przedstawiono propozycję rozwiązania systemu zielonej infrastruktury dla Wrocławskiego Obszaru Funkcjonalnego (WrOF) opracowaną w 2014 r. na zlecenie Instytutu Rozwoju Terytorialnego we Wrocławiu. Opracowanie wykonane zostało w projekcie pn. „Studium spójności funkcjonalnej we Wrocławskim Obszarze Funkcjonalnym” częściowo finansowanym przez Unię Europejską w ramach programu Operacyjnego Pomoc Techniczna 2007–2013. Zarys projektu pokazano na tle wybranych przykładów zagranicznych. Wskazano także na problematykę kształtowania obszarów wiejskich i suburbiów z uwzględnieniem znaczenia zieleni i partycypacji społecznej oraz na konieczność nowego podejścia do projektowania na tych obszarach.
    Źródło:
    Architektura Krajobrazu; 2015, 2; 4-27
    1641-5159
    Pojawia się w:
    Architektura Krajobrazu
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ nielegalnego składowania odpadów na zawartość metali ciężkich w powierzchniowej warstwie gleb gminy Police
    Effect of illegal waste storage on heavy metals concentration in surface soil of Police municipality
    Autorzy:
    Dusza, E.
    Filipiak, P.
    Mieszczerykowska-Wojcikowska, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/82530.pdf
    Data publikacji:
    2013
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Źródło:
    Folia Pomeranae Universitatis Technologiae Stetinensis. Agricultura, Alimentaria, Piscaria et Zootechnica; 2013, 28
    2081-1284
    Pojawia się w:
    Folia Pomeranae Universitatis Technologiae Stetinensis. Agricultura, Alimentaria, Piscaria et Zootechnica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Waloryzacja widoków jako element studium krajobrazowego na przykładzie gminy Paczków
    Valorisation of Views as an Element of the Landscape Study on the Example of Community Paczków
    Autorzy:
    Potyrała, J.
    Niedźwiecka-Filipiak, I.
    Ziemiańska, M.
    Filipiak, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1189764.pdf
    Data publikacji:
    2012
    Wydawca:
    Uniwersytet Przyrodniczy we Wrocławiu
    Tematy:
    waloryzacja
    studium krajobrazowe
    metoda badawcza
    valorization
    landscape study
    research method
    Opis:
    To properly compose a space at the community level its area should be analyzed taking into account the cultural and natural values and landscape values specified in sight from roads and valorisation of views. Such studies are aimed at the gradation of study area for spatial effects in the case of heavily accented investments there in the landscape. This article describes a method proposal of analysis for the municipality area taking into account the landscape values, this method was a one of the elements of study of the cultural landscape of the community Paczków done by a team of authors. In the first part of the paper the authors present the systematics of the well-known landscape valorization methods, noting, inter alia, methods of the natural valorisation, valorization methods of the cultural elements, planning and managerial valorization methods. During the work on the study there was developed an authorial method of valorisation of panoramas and views presented in the further part of the study. After the preliminary analysis of the terrain and routes of the community Paczków the exhibi-tion space was selected within an average of 500 m from the locality, situated on the road leading to it. Of the selected points there were made photos of the village panoramas and open landscape with a viewing angle of about 90-1200. On their basis there were made drawings by processing the image of photo on linear composition taking into account the facture differences of individual planes. The number of plans and landform were analyzed (wing view, the emergence of a distant placed surfaces, hilliness of the area plane), then the degree of diversification of land cover (crop diversity, variety of colors, variety of surface structures). We analyzed the complexity of the habitat elements (the relationships between the saturation of buildings and surrounding greenery it, the types of systems of the mid-field green), and the degree of space orientation (emphasis of the road direction by vertical elements - rows and avenues of trees, its free and smooth direction, emphasizing the landscape elements receding in perspective). For each of these issues there were made 4 models of panoramic view with a four-level scale of complexity, with the assumption that with it grows the view attractiveness. In total, each panoramic image of the community area could get points in a scale from 4 to 16. It was assumed to consider as a medium attractive view in the range of 7 to 10 points, 11 points and above as a very attractive view and worthy of protection. The views of scoring 6 and below have no landscape value. The diverse composition of the view emphasized by the ordering element is, according to authors, of the greatest value. As it turns out, it has a strong relationship with the commonly understood cultural values. These are the view approaches to the traditionally shaped forms, and so, inter alia, the localities with the building development surrounded by high green, enriched with the dominant of church tower, the diversity of crop fields, alleys and roadside rows, free but dependent on landform the road line make the landscape so pleasant to receive. The conclusion here is that the developed method, based on the valorisation of purely spatial elements gives a good tool for assessing the value of the landscape, and in particular the degree of its consistency with the cultural values.
    Źródło:
    Architektura Krajobrazu; 2012, 3; 13-21
    1641-5159
    Pojawia się w:
    Architektura Krajobrazu
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Palynology and microfacies of Lower Devonian mixed carbonate-siliciclastic deposits in Podolia, Ukraine
    Autorzy:
    Filipiak, P.
    Zaton, M.
    Szaniawski, H.
    Wrona, R.
    Racki, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/19979.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    palynology
    microfacies
    Lower Devonian
    Devonian
    carbonate-siliciclastic deposit
    Podolia
    Ukraine
    stratigraphy
    cuticle
    arthropod
    Opis:
    Investigation of mixed carbonate−siliciclastic Lower Devonian deposits have been carried out in the Ivanye Zolote and Ustechko sections in Podolia, Ukraine. Based on palynomorph evidence, the age of the samples studied is late Lochkovian, not older than the NM Oppel Miospore Zone, specifically the Si Lineage Zone. The presence of acritarchs and chitinozoans points to dominantly marine depositional conditions. However, a regressive environmental change toward more brackish conditions is indicated by a decrease in the taxonomic diversity of acritarchs in the topmost samples, the simultaneous disappearance of chitinozoans, and an increase in leiosphaerid frequency. Furthermore, evolution of limestone microfacies demonstrates a progressive transition from a shrinking marine basin toward a brackish, storm−affected muddy lagoon, manifested by recurrent profusion of impoverished, mostly opportunistic and euryhaline shelly benthos (nuculanid bivalves, leperditicopids and other ostracods, terebratulid brachiopods), chaetetid demosponges and diverse ichthyofauna. The association of plant (mainly nematophytes and some tracheids) and animal (eurypterid, ?scorpion, and possibly other arthropod) remains points to the presence of nearby Early Devonian wetland vegetation, providing food and shelter for various semi−aquatic and other terrestrial arthropods.
    Źródło:
    Acta Palaeontologica Polonica; 2012, 57, 4
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Laboratory automatic measuring system for gamma specimens
    Autorzy:
    Jakowiuk, A.
    Filipiak, P.
    Bartak, J.
    Pieńkos, P.
    Kowalska, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/146868.pdf
    Data publikacji:
    2012
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    gamma counter
    radioimmunoassay (RIA)
    immunoradiometric assay (IRMA)
    Opis:
    LG Gamma Counter is designed for low activity measurement of the radioactive isotope iodine 125I in liquid or solid samples during radioimmunoassay (RIA) and immunoradiometric assay (IRMA) in small or medium size clinic laboratories. Apart from RIA and IRMA programmed procedures, a measurement of small activity gamma samples is possible. The well scintillator NaI(Tl) is used as radiation detector for the isotope 125 I in the measuring channel, the well dimensions fi being 17 x 38 mm. Gamma Counter was adapted for measuring radioactivity of single samples. The counter is equipped with an automatic system allowing transportation of examined samples to a scintillator well. The gauge is based on an integrated computer which is working under the control of Windows CE and is equipped with special software allowing for setting measurement parameters and communication with an external computer. The measured sample is placed inside the scintillator well either by an automatic sample feeder or manually. The pulses from a photomultiplier tube after amplification and shaping in pulse amplifiers are counted in the window of a single channel analyser by a programmable pulse counter under the control of microprocessor system. The measured count rate is the measure of activity of the assayed sample. Expected count rate error due to unstable operation of amplification is lower than 1%.
    Źródło:
    Nukleonika; 2012, 57, 4; 633-635
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wireless system for radiometric measurements
    Autorzy:
    Jakowiuk, A.
    Pieńkos, P. J.
    Kowalska, E.
    Filipiak, P.
    Świstowski, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/146860.pdf
    Data publikacji:
    2012
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    radiometric probes
    radon concentration measurements
    wireless communication
    Opis:
    Wireless system for radiometric measurements contains probes, for gamma radiation measurements and other probes for radon concentration measurements in air and water. The probes have the form of droplet-tight cylinders powered from a local battery. Measuring data collecting unit, based on a portable computer, communicates directly with the probes in a wireless manner using the WiFi communication network, or through the internet using mobile phone GSM network. Serial port wire connection is also possible. The local battery ensures at least 14 days of continuous operation of the probes. For long term measurements, the probes can also be powered from solar panels. Construction and operation of the probes are described. Results of scintillation probes investigation are given. Detection efficiency of the developed probes is comparable with the laboratory probes offered in our country.
    Źródło:
    Nukleonika; 2012, 57, 4; 637-641
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-11 z 11

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