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    Wyświetlanie 1-13 z 13
    Tytuł:
    Analysis of Experimental Stand for Surface Acoustic Wave Vibrations Sensors
    Autorzy:
    Filipiak, J.
    Solarz, L.
    Steczko, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1506759.pdf
    Data publikacji:
    2010-12
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    77.65.Dq
    68.35.Iv
    Opis:
    The analysis of vibrations excitation in surface acoustic wave vibrations sensors is the aim of our work. The sensors are parts of electronic warning system which is intended to be mounted at fences of guarded object. The vibration excitation with expected acceleration is needed during experiments. Elements of fences are replaced by tense strings for experimental purposes and the surface acoustic wave vibration sensors are fastened to these strings. Analysis of the assembly string-sensor takes into account not only the mass of sensor but its moment of inertia, too. Free vibrations of string-sensor assembly are considered. The standard excitation by pulling off string in chosen point causes vibrations. The normal vibrations of assembly (frequencies, orthogonal set of normal functions) are calculated and used for calculations of free vibrations. The spectrum of the standard free vibrations is calculated. The results will be used in the experimental stand. The calculations enable excitation of vibrations with expected spectrum. The stand enables tests of the whole warning system. The thresholds of detection and reaction at concurrent intruder alarm will be investigated at this laboratory stand.
    Źródło:
    Acta Physica Polonica A; 2010, 118, 6; 1118-1123
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Badanie własności mechanicznych powłoki polimerowej na podłożu ze stopu Ti6Al7Nb
    Mechanical properties of polymer coating on Ti6Al7Nb substrate
    Autorzy:
    Solarz, J.
    Grygiel-Pradelok, M.
    Kajzer, W.
    Szewczenko, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/99169.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Śląska. Katedra Biomechatroniki
    Tematy:
    PLGA
    Ti6Al7Nb
    adhezja powłok polimerowych
    twardość powłok polimerowych
    Ti-6Al-7Nb
    polymer coating adhesion
    polymer coating hardness
    Opis:
    W pracy przedstawiono wpływ sposobu modyfikacji powierzchni stopu Ti6Al7Nb na własności mechaniczne naniesionej powłoki biodegradowalnego polimeru poli(D,L-laktyd-ko-glikolid) (PLGA). Zakres badań obejmował: pomiary chropowatości oraz obserwacje makroskopowe powierzchni metalowego podłoża oraz obserwacje powierzchni powłoki polimerowej, badanie adhezji do podłoża oraz ultrananotwardości. Badania wykazały istotny wpływ sposobu modyfikowania powierzchni podłoża ze stopu Ti6Al7Nb na własności mechaniczne powłoki polimeru PLGA.
    The study describes results of research influence of methods for modifying the surface of the Ti6Al7Nb alloy on the mechanical properties of the applied coating of biodegradable polymer poli(lactid-co-glicolic acid) (PLGA). The research included: assessment of the macroscopic surface of samples in the initial state and after applied polymer coating, measurements of surface roughness of the metal substrate, scratch test and ultrananohardness test. Research has shown a significant impact of used method of modifying metal substrate on mechanical properties of the PLGA coating. The analysis also showed dependence of adhesion polymer coating on roughness of the metal substrate.
    Źródło:
    Aktualne Problemy Biomechaniki; 2016, 10; 69-74
    1898-763X
    Pojawia się w:
    Aktualne Problemy Biomechaniki
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Czochralski Growth and Optical Properties οf $(Lu_{x}Gd_{1-x})_2SiO_5$ Solid Solution Crystals Single Doped with $Sm^{3+}$ and $~Dy^{3+}$
    Autorzy:
    Ryba-Romanowski, W.
    Strzęp, A.
    Głowacki, M.
    Lisiecki, R.
    Solarz, P.
    Domagala, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1399472.pdf
    Data publikacji:
    2013-08
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.55.Rz
    42.70.Hj
    78.40.-q
    78.55.Fv
    Opis:
    Solid solution crystals $(Lu_{x}Gd_{1-x})_2SiO_5$ single doped with $Sm^{3+}$ and $Dy^{3+}$ were grown by the Czochralski method. Segregation coefficients Lu/Gd, melting temperatures and structures of solid solution crystals were determined for 0.15 ≤ x ≤ 0.8. It was found that for x ≥ 0.17 the crystals belong to the monoclinic system within a space group C2/c and their melting temperature diminishes monotonously from 1990C to 1780C when x decreases from 0.8 to 0.15. Disparity of ionic radii of $Lu^{3+}$ and $Gd^{3+}$ induces structural disorder that brings about an inhomogeneous broadening of spectral lines in absorption and emission spectra of incorporated luminescent $Sm^{3+}$ and $Dy^{3+}$ ions. Optical properties of obtained crystals were determined based on results of measurement of absorption and emission spectra and luminescence decay curves. Spectroscopic investigation revealed that $Sm^{3+}$ doped crystals show intense emission distributed in the visible-near infrared region with the most intense band centred at 605 nm and characterized by a branching ratio of 0.43. Emission spectrum of $Dy^{3+}$ doped crystals is dominated by a band centred at 575 nm and characterized by a branching ratio of 0.58. It has been concluded that the systems under study are potential laser materials able to generate visible emission upon GaN/InGaN laser diode pumping.
    Źródło:
    Acta Physica Polonica A; 2013, 124, 2; 321-328
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Detection of Borrelia burgdorferi sensu lato, Anaplasma phagocytophilum and Babesia microti in Ixodes ricinus collected on selected recreational areas of Krakow- Czestochowa Upland
    Autorzy:
    Asman, M.
    Szilman, E.
    Szilman, P.
    Jakubas-Zawalska, J.
    Solarz, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/5623.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    detection
    Borrelia burgdorferi
    Anaplasma phagocytophilum
    Babesia microti
    Ixodes ricinus
    Lyme disease
    human disease
    granulocytic anaplasmosis
    babesiosis
    recreational area
    Krakow-Czestochowa Upland
    Źródło:
    Annals of Parasitology; 2016, 62, Suppl.
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Electronic Warning System Based on Surface Acoustic Wave Vibration Sensors
    Autorzy:
    Filipiak, J.
    Solarz, L.
    Steczko, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1493038.pdf
    Data publikacji:
    2011-10
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    77.65.Dq
    68.35.Iv
    Opis:
    In the paper feasibility analysis of the surface acoustic wave based electronic warning system was presented. As a transducer in the system the surface acoustic wave delay line was proposed. It is fabricated in standard single mask process as a pair of interdigital transducers placed on the top of piezoelectric crystal substrate. Transducer is a plate with rectangular cross-section and it converts all environmental vibration to electric signal. From electronic point of view it was considered as a two-port network. Necessary condition for proper sensor operation is that the input signal frequency from external generator should be close to central frequency of delay line. Principle of operation of the sensor is that the measured phase shift of high frequency signal has frequency equal resonant frequency of vibrating plate and its amplitude is proportional to vibration amplitude of transducer. The environmental vibrations are defined by amplitude of the output signal and the threat location is pointed by resonant frequency of excited transducer. The described above principles of sensor operation allow us designing electronic warning system consisting of many sensors with different resonant frequencies of transducers. Output signals from precisely located sensors contain all necessary information about the whole warning system. This information is easy to transmit and detect by simple electronic circuits based on phase detector and proper data acquisition system, for which necessary conditions are presented.
    Źródło:
    Acta Physica Polonica A; 2011, 120, 4; 593-597
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Occurrence of Borrelia burgdorferi sensu lato, Anaplasma phagocytophilum and Babesia microti in Ixodes ricinus ticks collected from selected areas of Opolskie Province in south-west Poland
    Autorzy:
    Asman, M.
    Witecka, J.
    Solarz, K.
    Zwonik, A.
    Szilman, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/2085175.pdf
    Data publikacji:
    2019
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    Ixodes ricinus
    Opolskie Province
    Polska
    Borrelia burgdorferi sensu lato
    Anaplasma phagocytophilum
    Babesia microti
    Borrelia burgdorferi sensu lato genospecies
    Opis:
    Introduction. Ticks (Acari: Ixodida) are vectors and/or reservoirs of many pathogens, i.e. Borrelia burgdorferi sensu lato, Anaplasma phagocytophilum and Babesia microti. These pathogens are ethiological agents of such diseases as Lyme borreliosis, human granulocytic anaplasmosis and human babesiosis. Objective. The aim of the study was to evaluate the role of the Ixodes ricinus in the transmission of Borrelia burgdorferi sensu lato, Borrelia afzelii, Borrelia garinii, Borrelia burgdorferi sensu stricto, Anaplasma phagocytophilum and Babesia microti in Opolskie Province in Poland. Materials and method. DNA from 222 ticks was isolated by the ammonia method. The pair of primers specific to the flagelline gene was used to detect of B. burgdorferi s. l. To detect of genospecies of this spirochete, three pairs of internal primers were used. In turn, two pairs of primers specific to the 16S rDNA gene and the 18S rRNA were used, respectively, for the detection of A. phagocytophilum and B. microti. Borrelia burgdorferi s. l., A. phagocytophilum, and B. microti were detected in 4.5%, 2.7% and 5.4% of examined ticks, respectively. Results and conclusions. Of the ten ticks infected with B. burgdorferi s. l., B. afzelii was found in seven, undefinied genospecies in two, and mixed infection with B. afzelii and B. burgdorferi s. s. in one. The study demonstrated the potential risk of exposure of humans and animals to infections of B. burgdorferi s. l., A. phagocytophilum and B. microti in the examined area of Poland.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2019, 26, 4; 544-547
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    SAW Delay Line for Vibration Sensors
    Autorzy:
    Filipiak, J.
    Solarz, L.
    Steczko, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1417951.pdf
    Data publikacji:
    2012-11
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    43.25.Fe
    77.65.Dq
    68.35.Iv
    Opis:
    The paper presents an analysis of surface acoustic wave delay line. The line consists of two simple interdigital transducers placed on a ST-cut quartz plate. Mid-band operation frequency of the line is 74 MHz. The line will be applied for surface acoustic wave vibration sensor. At the immovable end of the plate there are electric signal feeds to both transducers. This is the cause of increase in signal value going directly between the transducers and the cause of line losses. By means of equivalent electric model of interdigital transducer a loss analysis of the line has been made at 50 Ω load. The analysis allows to minimize line losses by matching the transducers to 50 Ω impedance. This has been practically achieved by a design of transducer geometry and configuration matching 50 Ω impedance, by means of inductance. An analysis of repeated operation characteristics of two interdigital transducers has been made. A signal going directly through capacitance between transducers and signals reflected from the edge of piezoelectric substrate have been presented. Results of theoretical analysis have been compared with experimental examinations.
    Źródło:
    Acta Physica Polonica A; 2012, 122, 5; 808-813
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sensitization to Oryzaephilus surinamensis in selected suburban population of south Poland
    Autorzy:
    Jakubas-Zawalska, J.
    Asman, M.
    Klys, M.
    Solarz, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/6655.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    sensitization
    Oryzaephilus surinamensis
    saw-toothed grain beetle
    suburban population
    storage
    insect
    economic loss
    occupational disease
    allergy
    Polska
    Źródło:
    Annals of Parasitology; 2016, 62, Suppl.
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Skażenia chemiczne : typologia zagrożeń
    Chemical contamination : typology of threats
    Autorzy:
    Solarz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/120459.pdf
    Data publikacji:
    2013
    Wydawca:
    Akademia Sztuki Wojennej
    Tematy:
    skażenia chemiczne
    bojowe środki trujące
    toksyczne środki przemysłowe
    niebezpieczne substancje chemiczne
    contamination
    chemical warfare agents
    toxic industrial chemicals
    chemical hazardous substances
    Opis:
    Risk of contamination is a problem well known for many years. Its apogee coincided with the Cold War, in which weapons of mass destruction, which is the main source of potential contamination, remained constantly in the spotlight. Today, despite the threat of use of chemical weapons, nuclear or biological weapons is negligible, the problem of contamination still exists. This is particularly evident in the case of chemical agents, which in some cases can lead to major emergencies. In addition, due to the quite different characteristics of individual agents , the type of emerging risks, generated by the contamination may be very different. This means that for a correct assessment of possible contamination risks we have to get to know the type and nature of all agents, being a potential factor in the formation of contamination. This article is an attempt to present the essence and nature of the risks generated by chemical agents, both those warfare, as well as other commonly used in the national economy. For a better problem understanding, the most possible threats have been discussed, pointing to the real danger that pose. Additionally presented the essence of the contamination, identification of respective risks and their basic typologies.
    Źródło:
    Zeszyty Naukowe AON; 2013, 4(93); 310-325
    0867-2245
    Pojawia się w:
    Zeszyty Naukowe AON
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Standardy zarządzania ryzykiem w kontekście zarządzania ryzykiem skażeń
    Risk management standards in the context of CBRN risk management
    Autorzy:
    Solarz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/93289.pdf
    Data publikacji:
    2017
    Wydawca:
    Akademia Sztuki Wojennej
    Tematy:
    skażenia
    ryzyko
    zarządzanie ryzykiem
    contamination
    risk
    risk management
    Opis:
    Związki chemiczne, materiały biologiczne oraz substancje promieniotwórcze od wielu lat są wykorzystywane w codziennej działalności człowieka. Ich zastosowania obejmują chyba wszystkie branże przemysłu, a także każdą inną działalność człowieka. Prawie na każdym kroku mamy do czynienia z różnymi produktami, które powstały dzięki zastosowaniu wspomnianych środków z produktami, bez których nasze życie nie byłoby takie łatwe, wygodne czy bezpieczne. Aspekt bezpieczeństwa jest istotny także z innego powodu, gdyż o ile nowe technologie nieustannie poprawiają nasze bezpieczeństwo, to sama obecność materiałów niebezpiecznych w naszym otoczeniu generuje istotne zagrożenia, które w pewnych sytuacjach mogą się zmaterializować i stanowić poważne problemy dla ludzi i środowiska. Specyfika takich obiektów powoduje, że wszelkie działania muszą być bardzo precyzyjnie określone, a wszystkie odstępstwa i anomalie pilnie odnotowane i uwzględnione w działaniach ochronnych. I właśnie do tego celu potrzebne są najlepsze standardy zarządzania ryzykiem - takie, które zapewnią pełne (maksymalnie możliwe) bezpieczeństwo dla ludzi i środowiska. W artykule podjęto próbę analizy wybranych standardów zarządzania ryzykiem oraz wstępnej identyfikacji ich możliwości w zakresie wykorzystania do zarządzania ryzykiem skażeń.
    Chemical compounds, biological materials and radioactive substances have been used in everyday human activity for many years. Their application probably covers all industries, as well as all other human activity. Almost at every step, we are dealing with the various products that have arisen from the aforementioned means, with products without which our lives would not be so easy, safe or secure. The safety aspect is also important for another reason, because new technologies constantly improve our security. On the other hand, the very presence of hazardous materials in our environment generates significant hazards that in certain situations, can materialize and pose serious problems for people and the environment. The specific nature of such objects means all activities must be very precisely defined and all derogations and anomalies urgently recorded and taken into account in safeguards. And for that, the best risk management standards are needed to ensure complete (the maximum possible) safety for people and the environment. This article attempts to analyse currently applicable risk management standards and to identify their potential for use in the management of contamination risks.
    Źródło:
    Zeszyty Naukowe Akademii Sztuki Wojennej; 2017, 4(109); 128-147
    2543-6937
    Pojawia się w:
    Zeszyty Naukowe Akademii Sztuki Wojennej
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Surface Acoustic Wave Vibration Sensor Electronic System
    Autorzy:
    Filipiak, J.
    Solarz, L.
    Steczko, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1493039.pdf
    Data publikacji:
    2011-10
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    43.25.Fe
    77.65.Dq
    68.35.Iv
    Opis:
    The paper presents surface acoustic wave vibration sensor electronic system. The system cooperates with surface acoustic wave delay line. The sensor has been designed for electronic warning systems. The sensor is a four-terminal network. In the system, there is a cascade connection of sensors by means of coaxial cable. Test signal and constant supply voltage are jointly sent between sensors. Separating the signals, their summation and amplification of test signal as well as matching the line to impedance 50 Ω are performed by surface acoustic wave vibration sensor electronic system. The electronic system devices and the making of them are discussed. System development of such a sensor is presented and its design is analysed. Experimental examination results of surface acoustic wave vibration sensor are presented. Parasitic effects occurring in vibration sensor electronic system operation connected with electromagnetic coupling and ground current coupling are discussed.
    Źródło:
    Acta Physica Polonica A; 2011, 120, 4; 598-603
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Surface Acoustic Wave Vibration Sensors for Linear Electronic Warning Systems
    Autorzy:
    Filipiak, J.
    Solarz, L.
    Steczko, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1795794.pdf
    Data publikacji:
    2009-09
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    43.25.Fe
    77.65.Dq
    43.35.Pt
    68.35.Iv
    Opis:
    The topic of the paper is analysis of feasibility of surface acoustic wave vibration sensors for linear electronic warning systems. In linear warning systems localisation of the object is realised by pointing out the sensors which detect vibrations caused by the object. The information sent out by the detector enables identification of the sensor and its state. The sensor contains surface acoustic wave delay line in four-terminal network. The delay line is formed at the surface of piezoelectric plate. The vibrations of the plate are caused by vibrations of the medium surrounding the sensor. The frequency of the input signal is equal to the working frequency of delay line. The phase of the output signal is shifted in comparison with the input signal. The frequency of the phase shift would be equal to the resonance frequency of the sensor plate. The change of the output signal amplitude would be proportional to the amplitude of plate vibrations. The measured amplitude and frequency of the output signal would be registered by simple electronic devices. The measurements give us knowledge which sensor vibrates and the intensity of these vibrations. Such sensors enable construction of the electronic warning system.
    Źródło:
    Acta Physica Polonica A; 2009, 116, 3; 302-306
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-13 z 13

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