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Wyświetlanie 1-10 z 10
Tytuł:
Pasożyty lipienia Thymallus thymallus zasiedlającego rzeki Pomorza: Łebę, Redę i Radunię
PARASITES OF GRAYLING THYMALLUS THYMALLUS DWELLING IN THE POMERANIAN RIVERS: ŁEBA, REDA AND RADUNIA
Autorzy:
Kulikowski, M.
Rokicki, J.
Powiązania:
https://bibliotekanauki.pl/articles/2148850.pdf
Data publikacji:
1998
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
Cestoda
rzeki
pasozyty zwierzat
Thymallus thymallus
Protozoa
Pomorze
nicienie
przywry digenetyczne
zywiciele
lipien
parazytologia
pierwotniaki
Radunia
Reda
Leba
kolcoglowy
Acanthocephala
Nematoda
ryby
Digenea
tasiemce
Opis:
In 127 specimens of grayling Thymallus thymallus (LINNAEUS, 1758) originating from three rivers: Łeba, Reda and Radunia and caught between 1992 and 1994, 8694 parasite individuals (apart from Protozoa) were found, belonging to 11 species (including one genus determined). Among them Trichodina sp., Ichtyophthirius multifiliis, Plagioporus stefanskii were first ever revealed in grayling. In Poland it has turn out to be a new host for the following parasites: Trichodina sp., Ichthyophthirius multifiliis, Diplostomum spathaceum, Crepidostomum metoecus, Plagioporus stefanskii, Cucullanus truttae, Pomphorhynchus laevis. Other species, previously noted in Polish graylings, were also found: Cyathocephalus truncatus, Cystidicoloides ephemeridarum, Echinorhynchus truttae, Echinorchynhus borealis. The differentiated parasitofauna of the grayling in Łeba, Reda and Radunia points to the fish isolation in particular biotopes. It also revealed an increased number of parasite species in fish from Radunia occurring due to the operation of Salmon-like Fishes Culture Centre in Rutki near Gdańsk.
Źródło:
Wiadomości Parazytologiczne; 1998, 44, 1; 73-84
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pasozyty lipienia Thymallus thymallus zasiedlajacego rzeki Pomorza: Lebe, Rede i Radunie
Autorzy:
Kulikowski, M
Rokicki, J.
Powiązania:
https://bibliotekanauki.pl/articles/838189.pdf
Data publikacji:
1998
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
Cestoda
rzeki
pasozyty zwierzat
Thymallus thymallus
Protozoa
Pomorze
nicienie
przywry digenetyczne
zywiciele
lipien
parazytologia
pierwotniaki
Radunia
Reda
Leba
kolcoglowy
Acanthocephala
Nematoda
ryby
Digenea
tasiemce
Opis:
In 127 specimens of grayling Thymallus thymallus (LINNAEUS, 1758) originating from three rivers: Łeba, Reda and Radunia and caught between 1992 and 1994, 8694 parasite individuals (apart from Protozoa) were found, belonging to 11 species (including one genus determined). Among them Trichodina sp., Ichtyophthirius multifiliis, Plagioporus stefanskii were first ever revealed in grayling. In Poland it has turn out to be a new host for the following parasites: Trichodina sp., Ichthyophthirius multifiliis, Diplostomum spathaceum, Crepidostomum metoecus, Plagioporus stefanskii, Cucullanus truttae, Pomphorhynchus laevis. Other species, previously noted in Polish graylings, were also found: Cyathocephalus truncatus, Cystidicoloides ephemeridarum, Echinorhynchus truttae, Echinorchynhus borealis. The differentiated parasitofauna of the grayling in Łeba, Reda and Radunia points to the fish isolation in particular biotopes. It also revealed an increased number of parasite species in fish from Radunia occurring due to the operation of Salmon-like Fishes Culture Centre in Rutki near Gdańsk.
Źródło:
Annals of Parasitology; 1998, 44, 1; 73-84
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Notes on the parasites of European grayling, Thymallus thymallus (L.) (Actenopterygii: Salmonidae), from selected rivers in Poland
Autorzy:
Kulikowski, M.
Rolbiecki, L.
Rokicki, J.
Powiązania:
https://bibliotekanauki.pl/articles/5957.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
parasite
fish
European grayling
Thymallus thymallus
Actinopterygii
Salmonidae
river
Polska
Źródło:
Annals of Parasitology; 2016, 62, Suppl.
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Connection between parasite fauna of wild grayling Thymallus thymallus [L.] and farmed fish
Autorzy:
Rokicki, J.
Kulikowski, M.
Rolbiecki, L.
Powiązania:
https://bibliotekanauki.pl/articles/839999.pdf
Data publikacji:
1998
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
fish
Reda River
Acanthocephala
Protozoa
Leba River
Digenea
parasite
Thymallus thymallus
Cestoda
wild grayling
farmed fish
metacercaria
Radunia River
grayling
Źródło:
Annals of Parasitology; 1998, 44, 3
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modern Direct Torque and Flux Control methods of an induction machine supplied by three-level inverter
Autorzy:
Sikorski, A.
Kulikowski, K.
Korzeniewski, M.
Powiązania:
https://bibliotekanauki.pl/articles/201199.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
asynchronous machine
DC/AC inverter
DTC
flux and torque control
3-level DC/AC inverter
Opis:
This paper describes two modern direct torque and flux control methods of an induction machine supplied by a three-level inverter. Additionally, it presents a comparison of the methods both in static and dynamic states. The methods, in a specific way, make use of an increased number of active vectors of the three-level inverter in order to improve control quality and reduce switching frequency. The two methods modify the DTC method by using its advantages and eliminating, at the same time its drawbacks. In static states the comparison was based on the results of investigations performed for two different load values and three set values of angular speed, whereas in dynamic states the comparison was focused on the behavior of the machine at startup. The results of the investigations have shown that both methods give very good performance. They are characterized by both sinusoidal shape of flux and low current deformations even at low angular speeds i.e. less than 10% of the nominal value. The presented methods also allow to generate nominal flux for set zero angular speed in order to achieve excitation of the induction machine. The switching frequencies for both methods are very similar in almost the whole range of control but the methods have shown some differences in control quality, particularly for higher torque values.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2013, 61, 4; 771-778
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Discrimination of biomedical textures based on logical similarity measure
Autorzy:
Kulikowski, J. L.
Przytulska, M.
Wierzbicka, D.
Powiązania:
https://bibliotekanauki.pl/articles/333479.pdf
Data publikacji:
2011
Wydawca:
Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:
rozpoznawanie wzorców
dyskryminacja tekstur
podobieństwo wieloaspektowe
logiczne testy
widma morfologiczne
pattern recognition
textures discrimination
multi-aspect similarity
logical tests
morphological spectra
Opis:
The paper presents an approach to discrimination of textures in radiological images based on multi-aspect similarity measures composed of logical tests. There are formulated basis assumptions for similarity measures which can be composed by products of partial (single-aspect) similarity measures. On the basis of similarity measures -similarity classes are defined. Next, two types: strong and weak similarity measures are defined. It is shown that they make possible to define similarity measures based on quality objects properties as well as on their numerical parameters. As an example of application of the general concept discrimination of normal and ill (lesions affected) tissues is considered. It is illustrated by analysis of USG images of liver tissues for which morphological spectra and their statistical parameters have been calculated. It is shown that the differences between values of some pairs of corresponding parameters can be used to a construction of an effective algorithm of textures discrimination. This algorithm takes into consideration both, numerical features of the texture samples and some qualitative data concerning the patients. Conclusions are formulated at the end of the paper.
Źródło:
Journal of Medical Informatics & Technologies; 2011, 17; 89-95
1642-6037
Pojawia się w:
Journal of Medical Informatics & Technologies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Implementation of a Web-based remote control system for qZS DAB application using low-cost ARM platform
Autorzy:
Korzeniewski, M.
Kulikowski, K.
Zakis, J.
Jasiński, M.
Malinowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/201276.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
ARM processor
DAB converter controller
network controller
web-based user interface
energy control
procesor ARM
kontroler
konwerter
kontroler sieciowy
interfejs użytkownika oparty na sieci Web
kontrola energii
DAB
Opis:
Continuous development of intelligent network applications drives the demand for deployment-ready hardware and software solutions. Such solutions are highly valued not only by distributed producers of energy but by energy consumers as well. The use of intelligent network applications enables the development and improvement of the quality of services. It also increases self-sufficiency and efficiency. This paper describes an example of such device that allows for the control of a dual active bridge (DAB) converter and enables its remote control in real time over an IP-based network. The details of both hardware and software components of proposed implementation are provided. The DAB converter gives a possibility to control and manage the energy between two DC power systems with very different voltage levels. Not only information, but also the quality of energy, the direction of power flow, and energy storage systems can be easily controlled through an IP-based network and power electronics converters. Information technology, together with intelligent control of power electronics technology, provides a flexible solution, especially for sustainable smart grids.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2016, 64, 4; 887-896
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Corrosion Resistance of Nitrogen-Doped DLC Coatings Produced in Glow Discharge Conditions on Nitrided Austenitic Steel
Autorzy:
Borowski, T.
Spychalski, M.
Rożniatowski, K.
Kulikowski, K.
Powiązania:
https://bibliotekanauki.pl/articles/354989.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
DLC coating
nitrided layer
DC
pulsed glow discharge
corrosion
adhesion
Opis:
Nitrogen-doped DLC (diamond-like carbon) coatings were produced on 316L nitrided austenitic steel in direct current and pulsed glow discharge conditions. The chemical composition, surface topography, hardness and corrosion resistance of the obtained carbon coatings were examined. The coatings varied in surface morphology, roughness and hardness. Direct current glow discharge made it possible to produce a coating characterized by lower hardness, greater thickness and higher nitrogen content. The coating featured improved corrosion resistance and adhesion compared to coatings produced in the pulsed process.
Źródło:
Archives of Metallurgy and Materials; 2020, 65, 3; 1141-1146
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Properties of active rectifier with LCL filter in the selection process of the weighting factors in finite control set-MPC
Autorzy:
Falkowski, P.
Sikorski, A.
Kulikowski, K.
Korzeniewski, M.
Powiązania:
https://bibliotekanauki.pl/articles/200718.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
model predictive control (MPC)
active front end converters
inductive-capacitive-inductive (LCL) filter
weighting factors selection
Opis:
One of the main problems of multivariable cost functions in model predictive control is the choice of weighting factors. Two finite control set model predictive control algorithms, applied to the three-phase active rectifier with an LCL filter, are described in the paper. The investigated algorithms, i.e. PCicuc and PCigicuc, implement multivariable approaches applying line (grid) current, capacitor voltage and converter current. The main problem dealt with in the paper is the choice of optimum values of the cost function weighting factors. The values of the factors calculated using the method proposed in the paper are very close to the values represented by the lowest THDi of the line current. Moreover, simulations verifying the equations used in the prediction of controlled values, i.e. line current, capacitor voltage and converter current, are presented. Both simulation and experimental results are presented to verify effectiveness of the investigated control strategies under change of the load (P = 5 kW and 2.5 kW), during transient states, under unbalanced and balanced line voltage.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2020, 68, 1; 51-60
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
XXII Europejska Wyprawa Mostowa : Północna Hiszpania - Pireneje 2016, cz. 1
Autorzy:
Flaga, K.
Feigel-Młodkowska, K.
Kulikowski, H.
Sorochtej, M.
Powiązania:
https://bibliotekanauki.pl/articles/364178.pdf
Data publikacji:
2016
Wydawca:
Nowoczesne Budownictwo Inżynieryjne
Tematy:
Francja
Hiszpania
most
most drogowy
kładka dla pieszych
budownictwo mostowe
France
Spain
bridge
road bridge
footbridge
building bridges
Opis:
XXII Europejska Wyprawa Mostowa Północna Hiszpania – Pireneje 2016 została zorganizowana w dniach 9–23 lipca 2016 r. przez Stowarzyszenie Wyprawy Mostowe oraz Biuro Turystyczne Anitour z Czechowic-Dziedzic przy współpracy Katedry Budowy Mostów i Tuneli Politechniki Krakowskiej. Patronat medialny nad wyjazdem objął magazyn Nowoczesne Budownictwo Inżynieryjne.
Źródło:
Nowoczesne Budownictwo Inżynieryjne; 2016, 6; 96-103
1734-6681
Pojawia się w:
Nowoczesne Budownictwo Inżynieryjne
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-10 z 10

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