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Purpose: The purpose of this study was to describe labor and delivery nurses' experiences in caring for patients during the COVID-19 pandemic.
Methods: We used a descriptive phenomenological design and purposeful sampling to recruit experienced labor and delivery nurses for flexible semi-structured face-to-face audiotaped interviews. Constant comparison was used to analyze data.
Exploring nonlinear chaotic systems with applications in stochastic processes.
Sci Rep
December 2024
Department of Physics, College of Science and Humanities, Prince Sattam bin Abdulaziz University, Al-Kharj, 11942, Saudi Arabia.
This manuscript explores the stability theory of several stochastic/random models. It delves into analyzing the stability of equilibrium states in systems influenced by standard Brownian motion and exhibit random variable coefficients. By constructing appropriate Lyapunov functions, various types of stability are identified, each associated with distinct stability conditions.
View Article and Find Full Text PDFShrimp structure as a test bed for ordinal pattern measures.
Chaos
December 2024
Potsdam Institute for Climate Impact Research (PIK), Member of the Leibniz Association, Telegrafenberg A31, 14473 Potsdam, Germany.
Identifying complex periodic windows surrounded by chaos in the two or higher dimensional parameter space of certain dynamical systems is a challenging task for time series analysis based on complex network approaches. This holds particularly true for the case of shrimp structures, where different bifurcations occur when crossing different domain boundaries. The corresponding dynamics often exhibit either period-doubling when crossing the inner boundaries or, respectively, intermittency for outer boundaries.
View Article and Find Full Text PDFA New Compressed Data Acquisition Method for Power System Based on Chaotic Compressive Measurement.
Sensors (Basel)
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Department of Electrical Engineering, Tsinghua University, Beijing 100084, China.
The digitalization level of the new power system driven by "dual carbon" is increasing, leading to a growth in the amount of data that need to be acquired. This has intensified the contradiction between data volume and acquisition capacity. Therefore, it is urgent to study compressed data acquisition methods for power systems based on data compression.
View Article and Find Full Text PDFBalancing immune response: SHP1 controls neutrophil activation in inflamed lungs.
J Clin Invest
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Following respiratory infection or injury, neutrophil hyperactivation can damage surrounding lung tissue by releasing harmful compounds. In this issue of the JCI, Moussavi-Harami and colleagues identified tyrosine phosphatase SHP1 as a key negative regulator of neutrophil activation in acute respiratory distress syndrome (ARDS). Neutrophil-specific Shp1 disruption leads to hyperinflammation, pulmonary hemorrhage, and increased mortality in both sterile and pathogen-induced acute lung injury (ALI).
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