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Search results for: INSTABILITY CONDITION
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POLYMER DEGRADATION AND STABILITY
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Chemical instability of the cobalt oxyhydrate superconductor under ambient conditions
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A Criterion for Conditional Instability by the First Approximation for Solutions of Differential Systems
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Chlorogenic Acid Stability in Pressurized Liquid Extraction Conditions
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Stability and instability processes in the calli of Fagopyrum tataricum that have different morphogenic potentials
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Effect of gelation and storage conditions on the oxidative stability of microemulsion and nanoemulsion delivery systems
PublicationIncreased interest in the use of microemulsion and nanoemulsion delivery systems for medical, cosmetic and food purposes, promotes the development of research on their physical and chemical stability, and the safety of use. Here, we have for the first time evaluated the oxidative stability of linseed oil dispersed in the microemulsion, nanoemulsion, and their gelled systems, stored under different conditions, and compared to the...
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Strong ellipticity conditions and infinitesimal stability within nonlinear strain gradient elasticity
PublicationWe discuss connections between the strong ellipticity condition and the infinitesimal instability within the nonlinear strain gradient elasticity. The strong ellipticity (SE) condition describes the property of equations of statics whereas the infinitesimal stability is introduced as the positive definiteness of the second variation of an energy functional. Here we establish few implications which simplify the further analysis...
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Analysis of the internal shell stability of the cylindrical vertical double-shell tank under the condition of the hydrostatic test
PublicationUtrata stateczności płaszcza wewnętrznego w pionowym stalowym zbiorniku może wystąpić jeżeli podczas próby wodnej słup wody w przestrzeni międzypłaszczowej będzie miał większą wysokość niż w zbiorniku wewnętrznym. W artykule przeprowadzono analizę jaka różnica poziomów wody podczas próby wodnej może zagrażać stateczności płaszcza wewnętrznego w zbiorniku o pojemności od 10000 m3 do 100000 m3.
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COGNITION
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Journal of Financial Stability
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Independent Mechanisms Lead to Genomic Instability in Hodgkin Lymphoma: Microsatellite or Chromosomal Instability
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Measurements of relative frequency instability
PublicationFrequency constancy can be determined by the change in time for the subsequent periods. The article shows that classical the method of digital period measurement is not suitable for the measurement process. Therefore, a method using an integrating circuit is being proposed. Errors in the measurement of the given method have been analyzed.
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Epilepsy and Paroxysmal Conditions
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Communication and Cognition
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Visual Cognition
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Cognition and Instruction
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Cognition and Emotion
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Pragmatics & Cognition
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BRAIN AND COGNITION
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Language and Cognition
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Journal of Cognition
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Animal Cognition
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Memory & Cognition
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Social Cognition
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Analytical solution of non-stationary heat conduction problem for two sliding layers with time-dependent friction conditions
PublicationIn this article we conduct an overview of various types of thermal contact conditions at the sliding interface. We formulate a problem of non-stationary heat conduction in two sliding layers with generalized thermal contact conditions allowing for dependence of the heat-generation coefficient and contact heat transfer coefficient on time. We then derive an analytical solution of the problem by constructing a special coordinate...
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Thermal Instability of Gold Thin Films
PublicationThe disintegration of a continuous metallic thin film leads to the formation of isolated islands, which can be used for the preparation of plasmonic structures. The transformation mechanism is driven by a thermally accelerated diffusion that leads to the minimalization of surface free energy in the system. In this paper, we report the results of our study on the disintegration of gold thin film and the formation of nanoislands...
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Liapunov instability of the hypoplastic model for soils.
PublicationWskazanie na konieczność wprowadzenia do hipoplastycznego modelu konstytutywnego tzw. sprężystego jądra. Bez niego model okazuje się być niestabilny w sensie Liapunowa.
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Simulation of ship spiral test for ballast and full load conditions
Open Research DataThe data show the results of the spiral test for the simplified ship model, taking into account two states of loading: ballast and full load. The data set contains the results of time simulation for sea state 10 on the Beaufort scale: changes in rudder angle delta_tab[deg]; angular velocity r_tab[deg/s]; surge velocity u_tab (m/s); sway velocity v_tab...
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Synthesis of oxathiolone fused chalkones bearing O-aminoalkyl side chain. Comparison of stability of isomeric benzoxathiolones under alkylation reaction conditions
PublicationIzomeryczne oksatiolonowe sprzężone chalkony zawierające O-alkilowe łańcuchy boczne otrzymano w wyniku kondensacji odpowiednich benzoksatiolonów z podstawionymi benzaldehydami. Wyjściowe benzoksatiolony otrzymano w wyniku alkilowania odpowiednich fenoli chlorkami aninoalkilowymi, jednakże reakcja była często komplikowana w wyniku otwarcia pierścienia oksatiolonowego poprzez grupę aminową. Określono aktywność cytotoksyczną i przeciwdrobnoustrojową...
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Tadeusz Stolarski prof. dr hab. inż.
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Testability of distributed object.
PublicationWyróżniono trzy poziomy zdalnego dostępu do obiektu: ograniczony, częściowy; pełny i sformułowano warunki testowalności dla dwu klas aplikacji rozproszonych: własnych i obcych. Zaproponowano metodę zdalnego monitorowania stanu obiektów zaimplementowanych =na platformie COBRA
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Influence of operation temperature instability on gas sensor performance
PublicationGas sensors based on the semiconducting metal-oxides, such as SnO2, have been found to be very useful for detecting a wide range of gases. The reversible interactions of the gas with the surface of the sensing layer made of semiconducting metal-oxides are responsible for changes of sensor resistance which is usually used as a measure of sensor response. Semiconductor gas sensors are commercially available and applied in numerous...
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Hydrolytical instability of hydroxyanthraquinone glycosides in pressurized liquid extraction
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Chemical instability of the cobalt oxyhydrate superconductor under ambientconditions.
PublicationPrzedstawiono badania dyfrakcyjne i termograwimetryczne uwodnionego, sodowo-kobaltowego tlenku nadprzewodzącego: NaxCoO2 yH2O (y=1.4). Materiał ten jest niestabilny już w temperaturze pokojowej i przechodzi w nowo odkrytą fazę = 0.6.
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International Journal on Working Conditions
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Bilingualism: Language and Cognition
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Cognition Technology & Work
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Language Cognition and Neuroscience
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Journal of Cognition and Culture
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Aging, Neuropsychology and Cognition
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Economy Transdisciplinarity Cognition
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Cognition, Brain, Behavior
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Schizophrenia Research: Cognition
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Journal of Cognition and Development
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Translation, Cognition and Behavior
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Journal of Numerical Cognition
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Spatial Cognition and Computation
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Stability-International Journal of Security and Development
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Erratum: Cuceu, C., et al. Independent Mechanisms Lead to Genomic Instability in Hodgkin Lymphoma: Microsatellite or Chromosomal Instability. Cancers 2018, 10, 233
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On rotational instability within the nonlinear six-parameter shell theory
PublicationWithin the six-parameter nonlinear shell theory we analyzed the in-plane rotational instability which oc- curs under in-plane tensile loading. For plane deformations the considered shell model coincides up to notations with the geometrically nonlinear Cosserat continuum under plane stress conditions. So we con- sidered here both large translations and rotations. The constitutive relations contain some additional mi- cropolar parameters...