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Wyszukujesz frazę "87.19.U-" wg kryterium: Temat


Wyświetlanie 1-8 z 8
Tytuł:
Posture Stability Evaluation Using Static Posturography in Patients after Cruciate Ligament Reconstruction
Autorzy:
Kubisz, L.
Werner, H.
Bosek, M.
Weiss, W.
Powiązania:
https://bibliotekanauki.pl/articles/1504202.pdf
Data publikacji:
2011-06
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
87.19.lu
87.19.R-
87.19.U-
Opis:
Ligament reconstruction is one of the surgical methods for treatment of anterior cruciate ligament injury. The main purpose of rehabilitation after surgical ligament reconstruction is to obtain maximal efficiency of knee joint, their stability and appropriate lower limbs encumbrance. Static posturography is one of the control, rehabilitative and diagnostic tools in such treatment. The purpose of the study was to evaluate the posture stability differences between healthy people and patients after anterior cruciate ligament reconstruction. The centre of pressure sway was registered using the standard posturography platform (Pro-med). During the test, the subject stood freely with eyes open and closed. In order to determine the stability of the subject, the average velocity of the centre of pressure sway, and the average accretion rate of surface area encircled by centre of pressure, a mean radius of centre of pressure and amount of its displacement were calculated. Parameters measured for the eyes closed posture were significantly greater for people after anterior cruciate ligament reconstruction, while differences between groups for eyes open test were statistically insignificant. This indicates impairment of the somatosensoric posture control system. It should be noted that selected stability indicators: an average velocity of the centre of pressure sway, its anterior-posterior and mediolateral components, a mean radius of centre of pressure and a mean accretion rate of surface area encircled by centre of pressure varied in both groups.
Źródło:
Acta Physica Polonica A; 2011, 119, 6A; 957-960
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Interferometric Fiber Optics Based Sensor for Monitoring of the Heart Activity
Autorzy:
Życzkowski, M.
Szustakowski, M.
Ciurapiński, W.
Uziębło-Życzkowska, B.
Powiązania:
https://bibliotekanauki.pl/articles/1493313.pdf
Data publikacji:
2011-10
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
47.63.Cb
87.19.U-
Opis:
The paper presents the concept of the interferometric fiber optic sensor system for human psycho-physical activity detection. A fiber optic sensor utilizes phase changes of propagating light to monitor patient's vital signs such as respiration cardiac activity, blood pressure and body's physical movements.
Źródło:
Acta Physica Polonica A; 2011, 120, 4; 782-784
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Model Study of Cardiac Output Measurement by Thermodilution in Thermal Instability
Autorzy:
Gawlikowski, M.
Pustelny, T.
Przywara-Chowaniec, B.
Nowak-Gawlikowska, J.
Powiązania:
https://bibliotekanauki.pl/articles/1506760.pdf
Data publikacji:
2010-12
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
47.63.Cb
87.19.U-
Opis:
Cardiac output is one of the most valuable hemodynamic parameter. It is measured commonly with intravascular pressures by pulmonary artery catheterization technique. The cardiac output itself is measured by dilution of thermal marker method (thermodilution), which is not resistant for various disturbances. In this paper the influence of blood temperature on metrological properties of thermal dilution method was described.
Źródło:
Acta Physica Polonica A; 2010, 118, 6; 1124-1126
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of Biomedical Signals Using Differential Geometry Invariants
Autorzy:
Studnička, F.
Powiązania:
https://bibliotekanauki.pl/articles/1492489.pdf
Data publikacji:
2011-12
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
47.63.Cb
87.19.U-
Opis:
Accelerometers embedded in the medical bed were used to examine the human cardiovascular system. N signals acquired from those sensors were described as 1D manifold and analysed using classical and affine differential geometry invariants. Experiments using elastic tube and two accelerometers were done to model human aorta and to prove the relation presented in the paper of Pinheiro et al.
Źródło:
Acta Physica Polonica A; 2011, 120, 6A; A-154-A-157
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Clinical Studies of Rheocardiography Application to Hemodynamic Monitoring of Patients with Dilated Cardiomyopathy
Autorzy:
Przywara-Chowaniec, B.
Poloński, L.
Gawlikowski, M.
Pustelny, T.
Powiązania:
https://bibliotekanauki.pl/articles/1807749.pdf
Data publikacji:
2009-09
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
47.63.Cb
87.19.U-
Opis:
Impedance cardiography is a non-invasive, cheap and easy to use method of long term hemodynamic monitoring. Nowadays this method is perceived as an alternative for invasive monitoring of the patients. The goal of the presented papers was to compare the results of rheocardiography with reference invasive monitoring.
Źródło:
Acta Physica Polonica A; 2009, 116, 3; 380-382
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optical Fiber Sensors for Point Investigation οf Cancer Tissues
Autorzy:
Beres-Pawlik, E.
Gasiorek, K.
Kulas, Z.
Rzaca, M.
Czarnecki, R.
Powiązania:
https://bibliotekanauki.pl/articles/1795780.pdf
Data publikacji:
2009-09
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
47.63.Cb
87.19.U-
87.19.Hr
Opis:
The paper presents optical fiber sensors for point investigation of cancer tissues. The construction of several sensors has been described, including selection of proper optical fiber as well as the construction of measuring head. Being part of medical endoscopes, presented sensors can be applied to investigate autofluorescence spectra in various tissue areas. The level of autofluorescence intensity indicates the stage of disease advancement. The paper presents the results of investigating autofluorescence spectra for different cancer tissues. Various areas of cancer tissues have been investigated in order to determine the level of disease advancement. In the paper new constructions of fluorescent fiber sensors are presented. The sensors were used to investigate human and animal normal and tumor tissues. The fiber sensors, possible to use in videoendoscopy, are very small. The comparative analysis of fluorescent spectra of normal and tumor tissues is presented.
Źródło:
Acta Physica Polonica A; 2009, 116, 3; 254-256
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Preliminary Analysis of Wireless Link for Bats Signals Acquisition System
Autorzy:
Herman, K.
Debski, M.
Furmankiewicz, J.
Powiązania:
https://bibliotekanauki.pl/articles/1493212.pdf
Data publikacji:
2011-10
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
47.63.Cb
87.19.U-
07.05.Tp
Opis:
The scope of an article that is presented below covers a preliminary analysis of a wireless link of ultrasound signal transmission in commercial radio frequency band (UHF). The radio link is used to transmit short ultrasound bat-like biosonar signals. Because of complicated structure properties and of transmitted signals the various methods of wireless transmission are shown. The hardware implementation consists of micro-electro-mechanical system microphone, microphone preamplifier and FM transmitter. At the end of the radio link a standard FM receiver is used. Since we use frequency modulation an influence of the radio link on received signal parameters is presented. The analysis of results provides us a set of information that might be used in designing of large scale wireless sensor networks for bats behavior monitoring.
Źródło:
Acta Physica Polonica A; 2011, 120, 4; 635-638
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Use of White Light Interference Methods in the Opaque Mediums Diagnostic
Autorzy:
Kasprzak, J.
Borkowska, A.
Kecik, M.
Powiązania:
https://bibliotekanauki.pl/articles/1493239.pdf
Data publikacji:
2011-10
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
47.63.Cb
87.19.U-
07.05.Tp
Opis:
The reflection, absorption and scattering influence on turbid structure has been discussed. The influence of transverse scanning method on geometrical deformations as well as issues of thickness absolute measurements and refractive index evaluation methods has been analyzed. A number of phenomena which may be the artefact source and the cause of tomogram incorrect interpretation have been pointed out.
Źródło:
Acta Physica Polonica A; 2011, 120, 4; 657-661
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-8 z 8

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