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    Wyświetlanie 1-9 z 9
    Tytuł:
    Ground-State Energy of Biquadratic Spin Systems (S=3/2) in the (1/z)$\text{}^{1}$-Approximation
    Autorzy:
    Błaszczak, E.
    Aksamit, J.
    Franek, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2035740.pdf
    Data publikacji:
    2003-04
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    75.10.Jm
    75.30.Ds
    75.30.Et
    75.50.Ee
    Opis:
    Corrections to the molecular-field ground-state energies of the Heisenberg model with isotropic biquadratic interactions (spin S=3/2) are calculated in the (1/z)$\text{}^{1}$-approximation using the diagrammatic technique based on the Wick reduction theorem (z is the number of spins interacting with any given spin). The present results for the antiferri- and antiferromagnetic phases complete the previously obtained data for the antiquadrupolar, ferri- and ferromagnetic phases. From among the boundaries between different ground states only that between the antiferri- and antiferromagnetic phases is shifted with respect to its molecular-field value.
    Źródło:
    Acta Physica Polonica A; 2003, 103, 4; 403-414
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Bioelectrical activity of the pelvic floor muscles after 6-week biofeedback training in nulliparous continent women
    Autorzy:
    Chmielewska, D.
    Stania, M.
    Smykla, A.
    Kwaśna, K.
    Błaszczak, E.
    Sobota, G.
    Skrzypulec-Plinta, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/306365.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    elektromiografia
    biofeedback
    zdrowi ochotnicy
    profilaktyka
    pelvic floor
    electromyography
    healthy volunteers
    prevention
    Opis:
    Purpose: The aim of the study was to evaluate the effects of a 6-week sEMG-biofeedback-assisted pelvic floor muscle training program on pelvic floor muscle activity in young continent women. Methods: Pelvic floor muscle activity was recorded using a vaginal probe during five experimental trials. Biofeedback training was continued for 6 weeks, 3 times a week. Muscle strenghtening and endurance exercises were performed alternately. SEMG (surface electromyography) measurements were recorded on four different occasions: before training started, after the third week of training, after the sixth week of training, and one month after training ended. Results: A 6-week sEMG-biofeedback-assisted pelvic floor muscle training program significantly decreased the resting activity of the pelvic floor muscles in supine lying and standing. The ability to relax the pelvic floor muscles after a sustained 60-second contraction improved significantly after the 6-week training in both positions. SEMG-biofeedback training program did not seem to affect the activity of the pelvic floor muscles or muscle fatigue during voluntary pelvic floor muscle contractions. Conclusions: SEMG-biofeedback-assisted pelvic floor muscle training might be recommended for physiotherapists to improve the effectiveness of their relaxation techniques.
    Źródło:
    Acta of Bioengineering and Biomechanics; 2016, 18, 3; 105-113
    1509-409X
    2450-6303
    Pojawia się w:
    Acta of Bioengineering and Biomechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An attempt at objective and subjective evaluation of the therapeutic efficacy of focused and radial shockwave applied to symptomatic heel spur
    Autorzy:
    Król, P.
    Franek, A.
    Dolibog, P.
    Błaszczak, E.
    Durmała, J.
    Ficek, K.
    Król, T.
    Wnuk, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/306196.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    leczenie
    fala uderzeniowa Rosetta
    ESWT
    treatment
    Extracorporeal Shock Wave Therapy
    symptomatic heel spur
    Opis:
    Purpose: The experiment was designed to evaluate and compare the efficacy of focused shockwave and radial shockwave in symptomatic heel spur treatment. Postural balance tests were used to ensure the objectivity of evaluations. Methods: Forty three patients with symptomatic heel spur were divided into two comparative groups that received respectively focused shockwave therapy (the FSWT group; 2000 impulses, 4 Hz, 0.4 mJ/mm2 ) and radial shockwave therapy (the RSWT group; 2000 impulses, 8 Hz, 5 bars + 2000 impulses, 8 Hz, 2.5 bars). Each patient received 5 treatments at weekly intervals. Before therapy started and 1, 3, 6 and 12 weeks after it ended, the intensity of pain experienced by the patients was assessed and static balance tests were performed on a force platform. Results: Successive measurements showed that the intensity of all kinds of pain under consideration was decreasing gradually and statistically significantly in both groups. The percentage reduction in pain intensity was similar between the groups. The standard deviation of the COP in the anterior-posterior and medial-lateral directions, 95% confidence ellipse area and COP velocity kept varying throughout the experiment, but in none of the groups changes were statistically significant. Conclusions: Focused shockwave therapy and radial shockwave therapy improve the well-being of patients with symptomatic heel spur significantly and comparably. Posturography cannot deliver unambiguous data for tracking changes that the two therapies induce in these patients.
    Źródło:
    Acta of Bioengineering and Biomechanics; 2016, 18, 3; 143-148
    1509-409X
    2450-6303
    Pojawia się w:
    Acta of Bioengineering and Biomechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Kinematic gait parameters changes in patients after total knee arthroplasty : Comparison between cruciate-retaining and posterior-substituting design
    Autorzy:
    Hajduk, G.
    Nowak, K.
    Sobota, G.
    Kusz, D.
    Kopeć, K.
    Błaszczak, E.
    Cieliński, Ł.
    Bacik, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/306649.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    staw kolanowy
    endoprotezoplastyka
    analiza lokomocji
    total knee arthroplasty
    gait analysis
    cruciate retaining
    posterior substituting
    Opis:
    Purpose: The patients expect optimal knee function after Total Knee Arthroplasty. It is necessary to apply appropriate surgical technique and supervised physical therapy. The optimal management of posterior cruciate ligament remains controversial. Both implant designs, i.e., cruciate retaining and posterior substituting, allow the orthopedic surgeon to achieve excellent clinical outcomes, as measured by commonly used questionnaires. Such methods of assessment may poorly reflect the functional status of patients. Therefore, three-dimensional gait analysis is recommended to evaluate the outcomes of surgical intervention. This study sought to determine differences in kinematic gait parameters and Knee Society Score between cruciate-retaining and posterior-substituting patients. Methods:23 individuals after cruciate-retaining total knee arthroplasty and 19 individuals after posterior-substituting total knee arthroplasty were subjected to gait analysis using three-dimensional motion capture system BTS Smart DX 7000. In addition, gait was assessed in 21 patients with knee osteoarthritis and in 30 healthy individuals. Results: The study did not reveal differences between cruciate-retaining and posterior-substituting groups, both in terms of Knee Society Score and kinematic gait parameters. There were also no differences in kinematic gait parameters between patients from the knee osteoarthritis group and total knee arthroplasty groups. The analyzed parameters in all of the groups differed significantly from those found in healthy individuals. Conclusions: Surgical technique and implant design do not affect values of kinematic gait parameters evaluated under natural walking speed. Several months after surgery the patients still demonstrated alterations in gait pattern, similar to those recorded in patients with knee osteoarthritis.
    Źródło:
    Acta of Bioengineering and Biomechanics; 2016, 18, 3; 137-142
    1509-409X
    2450-6303
    Pojawia się w:
    Acta of Bioengineering and Biomechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Oral hygiene in children suffering from acute lymphoblastic leukemia living in rural and urban regions
    Autorzy:
    Pels, E.
    Mielnik-Blaszczak, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/49515.pdf
    Data publikacji:
    2012
    Wydawca:
    Instytut Medycyny Wsi
    Opis:
    Introduction and objective. During acute lymphoblastic leukemia treatment, oral mucositis is a hugely important dental problem. In order to lower the risk of such complications, patients should take special care of their oral hygiene. The aim of this study was to assess the oral hygiene status in children with ALL during anti-cancer treatment protocols. Materials and methods. 78 children with ALL who were examined in 3 stages, and 78 generally healthy children, who constituted the control group, participated in the study. In the group of patients were 55 children from the rural environment and 23 children living in towns. Oral hygiene status was assessed with the use of the Oral Hygiene Simplified Index, Plaque Index, and Gingival Index. Results. The average value of OHI-S index in children with ALL before the chemotherapy was 0.64 ± 0.85, the value of the Pl.I index was 0.59 ± 0.74, GI index value was 0.08 ± 0.34. In the period from 0.5 – 1.5 years, the anti-cancer therapy value indicators of oral hygiene in children with ALL developed as follows: OHI-S – 0.49 ± 0.69, Pl.I – 0.49 ± 0.67, GI – 0.02 ± 0.13. Conclusions. Oral hygiene was significantly better in children with ALL than in children in the control group. The better condition of oral hygiene in children with ALL than children in the control group is the result of the oral hygiene regime that the children were following during cancer treatment protocols. Significantly higher GI in children with ALL, compared to children from the control group, was observed despite the better oral hygiene.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2012, 19, 3
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The aesthetic charakter of industrial design furniture in the eclectism period
    Estetyka mebli eklektycznych w czasie rewolucji przemysłowej
    Autorzy:
    Blaszczak, I.
    Lisiecka, E.
    Mielnik, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/7274.pdf
    Data publikacji:
    2015
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Źródło:
    Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology; 2015, 92
    1898-5912
    Pojawia się w:
    Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Primenenie andragogicheskojj modeli obuchenija na primere metodov sokhranenija drevesiny sredstvami na osnove naturalnykh veshhestv
    Zastosowanie andragogicznego modelu nauczania na przykładzie technik zabezpieczania drewna środkami na bazie naturalnych substancji
    Autorzy:
    Blaszczak, I.
    Lisiecka, E.
    Mielnik, A.
    Ivanov, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/9160.pdf
    Data publikacji:
    2015
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Źródło:
    Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology; 2015, 92
    1898-5912
    Pojawia się w:
    Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Skaning laserowy jako technologia wielu zastosowań - pomiary geodezyjne na potrzeby architektów
    Laser scanning as multi-use technology - geodetic measurements for the architecture purposes
    Autorzy:
    Błaszczak-Bąk, W.
    Sobieraj-Żłobińska, A.
    Szulwic, J.
    Minkowska, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/372193.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    skaning laserowy
    chmura punktów
    wymiarowanie
    wizualizacja
    laser scanning
    point cloud
    dimensioning
    visualization
    Opis:
    Skaning laserowy umożliwia pozyskanie chmury punktów, która może być opracowana i wykorzystana w różnych etapach inwestycji, od wykonywania prostych pomiarów na uzyskanym dzięki chmurze modelu lub na samej chmurze, po opracowywanie modeli cyfrowych zeskanowanych obiektów, ich wizualizacje i aranżacje wnętrz. W pracy przedstawiono możliwości zastosowania wyników naziemnego skanowania laserowego do opracowania projektu aranżacji wnętrza budynku o charakterze biurowym. Wymiarowanie obiektu zostało poprzedzone procesem wykrywania krawędzi i płaszczyzn w pozyskanych chmurach punktów. W ramach współpracy z architektem wykonany został projekt wnętrza.
    Laser scanning makes it possible to acquire a point cloud, which can be developed and used in various stages of investment, e.g: by performing simple measurements on point cloud or on the model created on the basis of this point cloud, the development of digital models of scanned objects, their visualizations and interior design. The paper presents the applicability of the results of terrestrial laser scanning for the development of a project of interior design of the building as office buildings. Dimensioning object was preceded by a process of detecting edges and surfaces in the acquired point clouds. In cooperation with the architect the interior design was made.
    Źródło:
    Zeszyty Naukowe. Inżynieria Środowiska / Uniwersytet Zielonogórski; 2016, 164 (44); 73-83
    1895-7323
    Pojawia się w:
    Zeszyty Naukowe. Inżynieria Środowiska / Uniwersytet Zielonogórski
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Electron paramagnetic resonance (EPR) study of the short - living radicals generated thermally in phosphorylated maize starch with different amounts of amylose
    Autorzy:
    Bidzińska, E.
    Dyrek, K.
    Kruczała, K.
    Szczygieł, J.
    Wenda, E.
    Błaszczak, W.
    Fornal, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/147482.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    carbon centred radicals
    electron paramagnetic resonance (EPR) spectroscopy
    PBN spin trap
    starch phosphates
    thermal treatment
    Opis:
    Quantitative electron paramagnetic resonance (EPR) spectroscopy was used for the determination of a number and properties of short-living radicals generated thermally in maize starch with various amounts of amylose. The EPR spectra of radical adducts with N-tert-butyl-α-phenylnitrone (PBN) spin trap reveal the presence of three types of radicals of mobility related with their localization in the zones of various degree of crystallinity. Hylon VII, which represents a matrix with a high content of amylose, offers better conditions for free rotation of radical species, whereas waxy maize, containing almost exclusively amylopectin, exhibits more restricted dynamics.
    Źródło:
    Nukleonika; 2013, 58, 3; 429-433
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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