Results 61 to 70 of about 89,049 (160)

Changes and monitoring technology of human heart rate and blood oxygen saturation under high-altitude hypoxia

open access: yesFrontiers in Physiology
High-altitude hypoxia affects human physiology and primarily regulates the cardiovascular system by hypoxia-inducible factor and relative factors. This review introduces physiological changes in heart rate and blood oxygen saturation, commonly used ...
Yan Liao, Dianxiang Lu, Jin Yang
doaj   +1 more source

Asymptotic properties of the gauge of step-indicator saturation

open access: yes, 2020
We investigate the asymptotic properties of Step-indicator Saturation which is an algorithm to handle unmodelled location shifts in time series. We consider a stylized version of the algorithm that uses the split-half approach. We present asymptotic convergence and distribution results on the gauge of the algorithm which is the frequency of falsely ...
Nielsen, B, Qian, M
openaire   +1 more source

Formation evaluation for Mauddud Formation in Bai Hassan oilfield, Northern Iraq

open access: yesIraqi Journal of Chemical and Petroleum Engineering
   Formation evaluation is a critical process in the petroleum industry that involves assessing the petrophysical properties and hydrocarbon potential of subsurface rock formations.
Noor Alhuda K. Mohammed   +1 more
doaj   +1 more source

Structural Time Series Modelling of Climate Change Effects on Mortality in a Tropical Developing Country

open access: yesJournal of ICT
Heat-related mortality has emerged as a critical public health issue, driven by the accelerating impacts of climate change. Most studies establish a direct causative relationship between high temperatures and mortality; however, there is scarce ...
Robiaatul Adawiah Edrus   +3 more
doaj   +1 more source

Towards the investigation of the magnetization processes of uniaxial magnetic materials by means of the analysis of transformation of their domain structure: experiment and computer modeling

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов
This paper presents the results of complex studies, including direct experiment and computer modeling, of the magnetization reversal processes of a SmCo5 single crystal and a (GdBiLu)3(FeGa)5O12 ferrite-garnet film.
G.G. Dunaeva, A.Yu.. Karpenkov
doaj   +1 more source

Airspace Saturation and Midair Collision Risk: A Case Study at a Class D Airport

open access: yesInternational Journal of Aviation, Aeronautics, and Aerospace
Near midair collisions are precursor events to actual collisions and may be an indicator of risk. While previous studies have used reports of near midair collisions to relate factors such as airspace saturation to near midair collisions, the reports ...
Luigi Raphael I Dy, John H Mott
doaj   +1 more source

PRESSURE OF SATURATED STEAMS AS INDICATOR OF STRUCTURAL CHANGES IS IN LIQUIDS

open access: yesWATER AND WATER PURIFICATION TECHNOLOGIES. SCIENTIFIC AND TECHNICAL NEWS, 2018
The results show that the pressure of saturated vapors of water and other molecular liquids can indeed be affected by structural changes in the volume and even on the surface. On the basis of supposition that homogeneously structured liquids have permanent energy of activating, two functions are shown out: "cubic" - for pressure of saturated steams ( ∛
openaire   +2 more sources

Bayesian Indicator-Saturated Regression for Climate Policy Evaluation

open access: yes
Structural break identification methods are an important tool for evaluating the effectiveness of climate change mitigation policies. In this paper, we introduce a unified probabilistic framework for detecting structural breaks with unknown timing and arbitrary sequence in longitudinal data.
Konrad, Lucas D.   +2 more
openaire   +2 more sources

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