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Wyszukujesz frazę "psa" wg kryterium: Temat

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    Wyświetlanie 1-13 z 13
    Tytuł:
    The presence of interfering antibodies in selected control sera on the example of a set for determination of tPSA
    Autorzy:
    Hajdrowska, B.
    Krzakiewicz, K.
    Czubasiewicz, Z.
    Strzelczyk, J.K.
    Szewczyk, M.
    Brus, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/2052429.pdf
    Data publikacji:
    2015
    Wydawca:
    Akademia Bialska Nauk Stosowanych im. Jana Pawła II w Białej Podlaskiej
    Tematy:
    Immunoenzymatic method
    control serum
    PSA antigen
    blocking reagent
    Opis:
    The human sera often contain substances which interfere in the course of immunochemical reactions. It is essential for the control sera used to determine concentrations of antigen of the prostate not to contain such ingredients. The aim of this study was to test the control sera, three producers, containing low (N) and high (P) concentrations of prostate antigen (tPSA). As a factor blocking the interfering actions, the TRU Bloc Meridian Life Science, Inc. reagent was used which contains antibodies against mouse protein and rheumatoid factor. The sera with a low concentration of tPSA demonstrated the presence of interfering substances.
    Źródło:
    Health Problems of Civilization; 2015, 09, 2; 55-57
    2353-6942
    2354-0265
    Pojawia się w:
    Health Problems of Civilization
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Development of a Library Based Tool for Screening External Hazards and Hazard Combinations
    Autorzy:
    Röwekamp, M.
    Sperbeck, S.
    Türschmann, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2068914.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
    Tematy:
    probabilistic safety assessment
    PSA
    external hazards
    hazard combinations
    screening approach
    Opis:
    For a meaningful and efficient probabilistic risk analysis of external hazards and event combinations involving such hazards those hazards with significant risk potential need to be identified and considered for detailed anal-yses. Such a site and plant specific screening approach for external and internal hazards based on a hazards library covering all types of hazards is under development at GRS. The paper provides insights on the approach and first examples of application.
    Źródło:
    Journal of Polish Safety and Reliability Association; 2017, 8, 1; 105--110
    2084-5316
    Pojawia się w:
    Journal of Polish Safety and Reliability Association
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Risk analysis of external hydrological hazards with flooding potential for a German nuclear reference site
    Autorzy:
    Röwekamp, M.
    Gänssmantel, G.
    Peschke, J.
    Strack, C.
    Utschick, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2068763.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
    Tematy:
    flooding
    hydrological hazards
    hazard combinations
    Probabilistic Safety Assessment
    PSA
    risk analysis
    Opis:
    Probabilistic Safety Analyses (PSA) are a supplementary analytical tool used worldwide more and more in order to quantitatively assess the effect of hazards on the overall result regarding the safety of industrial installations, in particular nuclear power plants. In that way PSA provides a reliable basis for decisions on the necessity and the benefits of safety improvements. In the recent past, the existing methods and tools with respect to determining the site-specific risk of nuclear power plants have been comprehensively extended and further enhanced. The focus of extending the existing PSA methods was on external hydrological hazards with flooding potential. For systematically considering hydrological hazards within PSA a systematic approach has been developed. The paper demonstrates the extended approach in the example of a nuclear power plant site with different flooding risks.
    Źródło:
    Journal of Polish Safety and Reliability Association; 2018, 9, 3; 65--74
    2084-5316
    Pojawia się w:
    Journal of Polish Safety and Reliability Association
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Probabilistic safety assessment of fire hazards
    Autorzy:
    Türschmann, M.
    Röwekamp, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2069074.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
    Tematy:
    nuclear facility
    probabilistic safety analysis
    PSA
    plant model
    initiating event
    hazard
    fire
    Opis:
    An as far as possible exhaustive conceptual approach has been developed to systematically address all kinds of internal and external hazards and their potential combinations in Level 1 PSA in a comprehensive manner. The approach assumes a comprehensive generic compilation of hazards being available. By means of site-specific screening process it is decided which hazards need to be analysed in detail by means of probabilistic methods. The requested extension of the plant model is carried out by a systematic approach for those hazards to be analysed in detail. For this purpose, lists of hazard relevant structures, systems and components and their failure dependencies according to the hazards are derived. The comprehensive extension of Level 1 PSA by hazards is demonstrated at the example of plant internal fires.
    Źródło:
    Journal of Polish Safety and Reliability Association; 2016, 7, 1; 225--232
    2084-5316
    Pojawia się w:
    Journal of Polish Safety and Reliability Association
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Methane recovery from gaseous mixtures using carbonaceous adsorbents
    Pozyskiwanie metanu z mieszanin gazowych za pomocą adsorbentów węglowych
    Autorzy:
    Buczek, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/219492.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    adsorbenty węglowe
    właściwości densymetryczne i strukturalne
    PSA
    carbonaceous adsorbents
    densities and structural properties
    Opis:
    Methane recovery from gaseous mixtures has both economical and ecological aspect. Methane from different waste gases like mine gases, nitrogenated natural gases and biogases can be treated as local source for production electric and heat energy. Also occurs the problem of atmosphere pollution with methane that shows over 20 times more harmful environmental effect in comparison to carbon dioxide. One of the ways utilisation such gases is enrichment of methane in the PSA technique, which requires appropriate adsorbents. Active carbons and carbon molecular sieve produced by industry and obtained in laboratory scale were examined as adsorbent for methane recuperation. Porous structure of adsorbents was investigated using densimetry measurements and adsorption of argon at 77.5K. On the basis of adsorption data, the Dubinin-Radushkevich equation parameters, micropore volume (Wo) and characteristics of energy adsorption (Eo) as well as area micropores (Smi) and BET area (SBET) were determined. The usability of adsorbents in enrichment of the methane was evaluated in the test, which simulate the basic stages of PSA process: a) adsorbent degassing, b) pressure raise in column by feed gas, c) cocurrent desorption with analysis of out flowing gas. The composition of gas phase was accepted as the criterion of the suitability of adsorbent for methane separation from gaseous mixtures. The relationship between methane recovery from gas mixture and texture parameters of adsorbents was found.
    Odzyskiwanie metanu z mieszanin gazowych posiada zarówno aspect ekonomiczny jak i ekologiczny. Metan pochodzący z gazów kopalnianych, gazów zaazotowanych oraz biogazów może być traktowany jako lokalne źródło do wytwarzania energii elektrycznej i cieplnej. Jest także problemem zanieczyszczenie atmosfery metanem, który ma ponad dwudziestokrotnie większy wpływ na środowisko w porównaniu z ditlenkiem węgla. Jednym ze sposobów wykorzystania tego typu gazów jest wzbogacanie metanu techniką PSA, która wymaga odpowiednich adsorbentów. Węgle aktywne oraz węglowe sito molekularne wytwarzane przemysłowo i te otrzymane w laboratorium były oceniane jako adsorbenty do wzbogacania metanu. Porowata struktura adsorbentów była analizowana za pomocą pomiarów gęstości i adsorpcji argonu w temperaturze 77.5K. Z danych adsorpcyjnych wyznaczono, posługując się równaniem Dubinina i Raduszkiewicza parametry: Wo, Eo, Smi, a powierzchnię SBET z równania adsorpcji wielowarstwowej Brunauera, Emmetta i Tellera. Przydatność adsorbentów do wzbogacania metanu była oceniana w teście, który symulował podstawowe etapy procesu PSA; a) odgazowanie adsorbentu, b) podnoszenie ciśnienia w kolumnie gazem zasilającym, c) desorpcja współprądowa połączona z analizą gazu. Skład fazy gazowej przyjęto jako kryterium przydatności adsorbentów do wydzielania metanu z mieszanin gazowych. Stwierdzono zależność pomiędzy stężeniem metanu a porowatą strukturą przebadanych adsorbentów.
    Źródło:
    Archives of Mining Sciences; 2016, 61, 2; 285-292
    0860-7001
    Pojawia się w:
    Archives of Mining Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Copolymerizable photoinitiators based on benzophenones and their influence on shrinkage of photoreactive acrylic PSAs
    Autorzy:
    Czech, Z.
    Kowalczyk, A.
    Sowa, D.
    Kowalska, J
    Ragańska, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/412523.pdf
    Data publikacji:
    2013
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    copolymerizable benzophenone photoinitiators
    UV-crosslinking
    acrylic
    pressure-sensitive adhesive (PSA)
    shrinkage
    viscosity
    molecular
    mass
    Opis:
    This manuscript describes a novel class of copolymerizable benzophenone photoinitiators and their influence on viscosity and molecular mass of acrylic pressure-sensitive adhesives (PSAs) during radical solvent polymerization and shrinkage of acrylic PSAs coated on PVC film and crosslinked using UV radiation.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2013, 8, 1; 49-56
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New copolymerizable photoinitiators for radiation curing of acrylic PSA
    Autorzy:
    Czech, Z.
    Sowa, D
    Ragańska, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/411993.pdf
    Data publikacji:
    2013
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    copolymerizable photoinitiators
    UV-crosslinking
    pressure-sensitive adhesive (PSA)
    acrylics
    tack
    peel adhesion
    shear strength
    Opis:
    This article presents a new class of copolymerizable photoinitiators containing vinyloxycarbonyl groups, known such as organic carbonate or carbamate. Novel copolymerizable photoinitiators have been prepared through the reaction between vinyl chloroformate and hydroxyl groups containing photoreactive derivatives such as benzophenone-, acetophenone-, benzoine-and anthrachinone-derivatives. The main emphasis is given to the influence of this new class of unsaturated photoinitiators on UV-crosslinking process of acrylic pressure-sensitive adhesives (PSA). Moreover, the paper describes the influence of various parameters such as UV-initiated crosslinking time and concentration of unsaturated photoinitiators on relevant PSA properties like tack, peel adhesion and shear strength (cohesion).
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2013, 8, 1; 57-65
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An application of LSC method for the measurement of gross alpha and beta activities in spiked water and drinking water samples
    Autorzy:
    Çakal, G. Ö.
    Güven, R.
    Yücel, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/146427.pdf
    Data publikacji:
    2015
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    alpha activity
    beta activity
    drinking water
    liquid scintillation counting (LSC)
    pulse shape analysis (PSA) calibration
    quench
    Opis:
    In this study, after the pulse shape calibration of a liquid scintillation counting (LSC) spectrometer (Quantulus 1220), the efficiency was determined depending on sample quenching parameters. Then, gross alpha and beta activities in two spiked water samples obtained from International Atomic Energy Agency (IAEA) were used for the validation of the ASTM D7283-06 method, which is a standard test method for alpha and beta activity in water by LSC. Later, the drinking water samples (35 tap water and 9 bottled water) obtained from different districts of Ankara, Turkey, were measured. The maximum gross alpha activities are measured to be 0.08 Bq/L for tap waters and 0.13 Bq/L for bottled waters, whereas the maximum gross beta activities are found to be 0.18 Bq/L for tap waters and 0.16 Bq/L for bottled waters. These results indicate that these drinking water samples are below the required limits, which are 0.1 Bq/L for alpha emitting radionuclides and 1 Bq/L for beta emitting radionuclides. As a result, gross alpha and beta activities in drinking water of Ankara were determined accurately by this validated LSC method. It is also worth noting that LSC is a rapid and accurate method for the determination of gross alpha and beta activities without requiring a tedious sample preparation.
    Źródło:
    Nukleonika; 2015, 60, No. 3, part 2; 637-642
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Probabilistic Safety Assessment of ESBWR gravity driven cooling system
    Autorzy:
    Kaszko, Aleksej
    Niewiński, Grzegorz
    Stępień, Michał
    Powiązania:
    https://bibliotekanauki.pl/articles/132047.pdf
    Data publikacji:
    2020
    Wydawca:
    Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
    Tematy:
    nuclear power plant
    Probabilistic Safety Assessment
    PSA
    Fault Tree Analysis
    FTA
    Gravity Driven Cooling System
    GDCS
    Opis:
    According to Polish nuclear law, newly emerging nuclear facilities require probabilistic safety assessment (PSA). This article is intended to present the PSA method and to present the error tree method by which the probability of unavailability of the gravity reactor cooling system (GDCS) of the ESBWR power plant designed by GE Hitachi was determined. This work includes creatiion process of a damage tree and performing a quantitative analysis in SAPHIRE tool and estimating uncertainty using the Monte Carlo method. As a part of the work, it was shown that in the probability of failure of a single GDCS P LINE-A line, the most important element are the basic events related in particular to the operation of service valves.
    Źródło:
    Modern Engineering; 2020, 1; 18-25
    2450-5501
    Pojawia się w:
    Modern Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    UV-crosslinkable photoreactive pressure-sensitive adhesives synthesized from butyl acrylate and 4-acryloyloxy benzophenone
    Autorzy:
    Czech, Z.
    Sowa, D.
    Kowalska, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/412260.pdf
    Data publikacji:
    2013
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    butyl acrylate
    4-acryloyloxy benzophenone
    acrylics
    pressure-sensitive adhesives (PSA)
    UV-crosslinking
    peel adhesion
    shear strength
    Opis:
    The manuscript describes synthesized of photoreactive UV-crosslinkable solvent-borne acrylic pressure-sensitive adhesives (PSA) based on butyl acrylate (BA) and copolymerizable photoinitiator 4-acryloyloxy benzophenone (ABP) characterized by molecular mass in the range of 180 000 to 480 000 Dalton. These copolymers were tacky but possessed insufficient cohesive strength after UV-crosslinking to be useful as PSA. They resulted in materials having a balance of cohesive and adhesive characteristics required of good PSA. Some of the parameters affecting the pressure-sensitive adhesive properties of the copolymer are: amount of the 4-acryloyloxy benzophenone, molecular mass of the polymeric components, UV-reactivity and such important properties like tack, peel adhesion and shear strength.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2013, 3; 21-28
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The PSA analysis of PWR emergency coolant injection availability following SBLOCA
    Autorzy:
    Borysiewicz, M.
    Bronowska, K.
    Kopka, P.
    Kowal, K.
    Kwiatkowski, T.
    Prusiński, A. M.
    Prusiński, P. A.
    Siess, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/146189.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    probabilistic safety assessment (PSA)
    small break LOCA (SBLOCA)
    emergency coolant injection (ECI)
    high pressure injection system (HPIS)
    auxiliary feedwater system (AFWS)
    Opis:
    The aim of this article is to briefly introduce the probabilistic safety assessment (PSA) of nuclear power plants (NPPs), its scope, main concepts and application to a real case. The results of analysis presented here have been obtained by the Probabilistic Safety Analysis Group (GPSA) at the National Centre for Nuclear Research (NCBJ, Otwock) as a part of the work done for the Polish National Atomic Energy Agency (NAEA). As a reference, NPP Surry Unit 1 (USA), equipped with 800 MWe Westinghouse triple-loop PWR (pressurized water reactor), has been chosen. The emergency coolant injection (ECI) function availability following the small break loss of coolant accident (SBLOCA) was thoroughly analyzed. The approach and data, which were adopted for the selected part of the SBLOCA sequences, were those used in the U.S. NRC Reactor Safety Study (WASH-1400). As a result of this study, the SBLOCA event tree, including ECI systems, i.e. high pressure injection system (HPIS) and auxiliary feedwater system (AFWS) reliability models, was developed and quantified. The probability of each accident sequence was evaluated using Saphire v.8, the PSA software by U.S. NRC. The choice of the software was based on earlier PSA software study. The failure probability of at least one of the considered safety systems – P(FAIL) is equal to 5.76E-3 and the most pessimistic accident branch (unavailability of both HPIS and AFWS) is about 0.05% of P(FAIL). These results were obtained based on assumption that the SBLOCA has occured. The most significant failure components are those corresponding to charging pumps unavailability, loss of electric power and human errors.
    Źródło:
    Nukleonika; 2013, 58, 2; 307-316
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Removal of organic solvents for the purpose of manufacturing of solvent-free pressure-sensitive adhesives
    Autorzy:
    Czech, Z.
    Milker, R.
    Butwin, A.
    Herko, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/778683.pdf
    Data publikacji:
    2008
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    poliakrylanowe kleje samoprzylepne
    usuwanie rozpuszczalnika
    reaktor do polimeryzacji
    wyparka
    wytłaczarka
    kleje poliakrylanowe
    PSA
    removal of solvent
    polymerisation reactor
    evaporator
    extruder
    acrylic
    Opis:
    The present report reports on the process of the removal of organic solvents in the polymerisation reactor, thin-layer evaporator, and twin-screw extruder for the production of the solvent-free acrylic pressure-sensitive adhesives (PSA). New applications and technical specifications stimulate the continuous development of new methods of manufacturing of non-solvent self-adhesives. The new synthesis of 100% acrylic systems includes solvent polymerisation and finally a removal of volatile organic compounds in a special extruder, polymerisation vessel or an industrial evaporator. The removal process requires controlling such relevant parameters as temperature, pressure and volatile organic compounds concentration.
    Źródło:
    Polish Journal of Chemical Technology; 2008, 10, 1; 37-40
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis of photoreactive solvent-free acrylic pressure-sensitive adhesives in the recovered system
    Autorzy:
    Milker, R.
    Czech, Z.
    Wesołowska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/779928.pdf
    Data publikacji:
    2007
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    polimeryzacja
    fotoinicjator nienasycony
    rozpuszczalnik organiczny
    poliakrylanowe kleje samoprzylepne
    kleje poliakrylanowe
    kleje samoprzylepne
    oddestylowanie rozpuszczalnika
    polymerization
    unsaturated photoinitiator
    organic solvent
    acrylic PSA
    devolatilizing of solvent
    Opis:
    The present paper discloses a novel photoreactive solvent-free acrylic pressure-sensitive adhesive (PSA) systems, especially suitable for the so much adhesive film applications as the double-sided, single-sided or carrier-free technical tapes, self-adhesive labels, protective films, marking and sign films and wide range of medical products. The novel photoreactive solvent-free pressure-sensitive adhesives contain no volatile organic compounds (residue monomers or organic solvent) and comply with the environment and legislation. The synthesis of this new type of acrylic PSA is conducted in common practice by solvent polymerisation. After the organic solvent are removed, there remains a non-volatile, solvent-free highly viscous material, which can be processed on a hot-melt coating machine at the temperatures of about 100 to 140°C.
    Źródło:
    Polish Journal of Chemical Technology; 2007, 9, 2; 5-9
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-13 z 13

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