We apply the dynamic decomposition of Poincaré plots, which is a computationally intensive, visual method of analysing physiological time series, to the analysis of the interbeat interval variability, systolic blood pressure, stroke volume and total peripheral resistance which were simultaneously recorded from a patient with pheochromocytoma and rapid, repetitive haemodynamic changes over 6 hours. The resulting animation is analysed and interpreted. It is found that changes in total peripheral resistance usually precede those of other variables, and the magnitude of changes is greatest for this variable. It is demonstrated that the decomposition of Poincaré plots of multivariate signals can visualise both the order and the extent of ongoing instant changes.
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An effect generated by the nonexponential behavior of the survival amplitude of an unstable state in the long time region is considered. We find that the instantaneous energy of the unstable state for a large class of models of unstable states tends to the minimal energy of the system epsilon min as t rightwards arrow infinity which is much smaller than the energy of this state for t of the order of the lifetime of the considered state. Analyzing the transition time region between the exponential and non-exponential form of the survival amplitude, we find that the instantaneous energy of the considered unstable state can take large values, much larger than the energy of this state for t from the exponential time region. Taking into account results obtained for a considered model, it is hypothesized that this purely quantum mechanical effect may be responsible for the properties of broad resonances such as sigma meson as well as having astrophysical and cosmological consequences.
Wsród współczesnych technologii odsiarczania gazu ziemnego przydatnych dla niewielkich obiektów wyróżniają się korzystne metody "Redox", których produktem końcowym jest siarka elementarna. Spośród nich szczególnie szybko rozwijają się technologie wykorzystujące chelaty żelaza (Fe-EDTA) jako katalizator konwersji H2S do siarki. Artykuł prezentuje wyniki testowania i wdrożenia w O/SZGNiG Sanok krajowej odmiany chelatowej technologii odsiarczania opracowanej przez IGNiG Kraków, znanej pod nazwą IGNiG-Chelate.
EN
Among the contemporary natural gas desulfurization technological processes that are suitable for rather small-size plants, distinguished as advantageous are the "Redox" methods with elementary sulphur as the final product. Out of them, the technological processes that utilize iron chelates (Fe-EDTA) as a catalyzer of conversion of H2S to elemental sulphur undergo a particularly rapid development. The article presents the results of testing and implementation, in the O/SZGNiG Sanok, of a domestic modification of the chelate Desulfurization technology, known under the name of IGNiG-Chelate, developed by the Purification and Odorizing Unit of the Institute of Oil Mining & gas Engineering - Warsaw Branch /Zakład Technologii Oczyszczania i Nawadniania, Instytut Górnictwa Naftowego i Gazownictwa - Oddział w Warszawie/.
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We present an exploratory study of a group of patients (150) who have undergone precutaneous transluminal coronary angioplasty with the use of drug eluting stents. We concentrate on the most often studied rare adverse event, i.e. death, as well as the still unexplored cancer variable. The aim of the study is to identify possible statistical hypotheses for a subsequent, large sample study. The results of this study may lead to a change in the therapy administered after precutaneous coronary interventions which will reduce the mortality rate. To achieve this, we use clustering techniques such as hierarchical cluster analysis, principal components methods and interactive brushing. We show that death cases cluster in the space defined by the available variables, while the cancer cases do not seem to cluster.
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