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401
Heart Rate Variability and Cardiovascular Reflex Tests for Assessment of Autonomic Functions in Preeclampsia
Published 2018-01-01“…In the frequency domain we measured total power (TP), high frequency (HF) power, low frequency (LF) power, and LF/HF ratio. Cardiovascular reflex tests showed a significant parasympathetic deficit in preeclamptic women. …”
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402
Heart Rate Variability in Patients with Hypertension: the Effect of Metabolic Syndrome and Antihypertensive Treatment
Published 2020-01-01“…The purpose of this study was to assess the effects of antihypertensive treatment on heart rate variability (HRV) in patients with hypertension (HTN), depending on cooccurrence of MetS. 118 patients with uncontrolled HTN were enrolled to the study. …”
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403
Modelling the variability and dynamics of river plumes in Hawke’s Bay, Aotearoa New Zealand
Published 2025-06-01“…The passive tracers were used to investigate the spatio-temporal variability on seasonal and interannual timescales and to identify the main plume patterns and their potential forcing mechanisms. …”
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404
Biostrap Kairos Wristband Versus Electrocardiography for Resting Heart Rate Variability Assessment
Published 2025-05-01“…The Kairos wristband offers on-demand heart rate variability (HRV) assessment through its “Spot Check” feature, enabling standardized recordings for clinical, research, or self-tracking purposes, but its validity is untested. …”
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405
Variability and Reliability of the Axivity AX6 Accelerometer in Technical and Human Motion Conditions
Published 2025-04-01“…Results demonstrated low intra- and inter-instrument variability (CVintra: 3.3–4.5%; CVinter: 6.3–7.7%) with high reliability (ICC = 0.98). …”
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406
Quality of the Governing Temperature Variables in WRF in relation to Simulation of Primary Biological Aerosols
Published 2015-01-01“…The quality of the results is then determined in the context of the governing variables used in crop science, forestry, and aerobiological models. …”
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407
Assessing the Variability of Energy Metabolisability in Barley, Rye, and Wheat Varieties for Broiler Diets
Published 2024-12-01“…This trial assessed the variability of energy metabolisability in four varieties of barley, rye, and wheat based on changes in energy and nutrient flow estimations in excreta. …”
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408
Analysis of heart rate as a predictor of changes in heart rate variability in children
Published 2024-10-01“…Heart rate also proved to be a good predictor considering low-frequency/high-frequency ratio (LF/HF) and standard deviation of long-term continuous NN intervals /standard deviation of the instantaneous variability of continuous NN intervals in the Poincaré graph ratio (SD2/SD1). …”
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409
Relationship between trunk diameter fluctuations and physiological variables in adult cocoa trees
Published 2025-06-01“…The trial was conducted for 128 days, from July to October 2023. The physiological variables were measured twice a week, while the meteorological variables, soil moisture, and MCDT were recorded continuously. …”
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410
Shallow cloud variability in Houston, Texas, during the ESCAPE and TRACER field experiments
Published 2025-06-01“…Aerosols, large-scale meteorology, and low-level convergence influence the spatiotemporal variability in shallow convection, and the coastal urban area of Houston, Texas, is an ideal laboratory to investigate these complex interactions. …”
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411
Trends and variability of heat waves in Europe and the association with large-scale circulation patterns
Published 2025-09-01“…This study employed Empirical Orthogonal Functions and composite analysis to investigate the frequency, trend, and spatio-temporal variability of heat waves across Europe from 1921 to 2021. …”
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412
Investigation on spatial variability and influencing factors of drinking water iodine in Xinjiang, China.
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413
Spatio-temporal changes of water quality variables in a highly disturbed river
Published 2017-09-01“…The physicochemical variables were monitored and analysed using two-way analysis of variance. …”
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414
Satellite-derived steric height in the Southern Ocean: trends, variability, and climate drivers
Published 2025-07-01“…The Southern Ocean steric height anomalies capture the expected seasonal cycle of low (high) steric height in winter (summer) and show regionally variable trends during 2002–2018. …”
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415
Influence of slab depth spatial variability on skier-triggering probability and avalanche size
Published 2024-01-01“…Spatial variability of snowpack properties adds uncertainty in the evaluation of avalanche hazard. …”
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416
The Photometric Variability and Spectrum of the Hot Post-AGB Star IRAS 21546+4721
Published 2025-03-01“…Possible causes of the photometric variability are discussed. Additionally, we acquired low-resolution spectra in a wavelength range from 3500 to 7500 Å. …”
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417
Near-Infrared Electronically-Controlled Variable Attenuator for W-Band Frequency Range
Published 2025-01-01“…This article presents the design, fabrication, and performance evaluation of a novel high-performance millimeter-wave (mm-wave) variable attenuator operating across the 75–110 GHz frequency band, controlled via near-infrared (NIR) illumination. …”
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418
USE OF TRIANGULAR MODELS OF NON-STATIONARY PROCESSES IN MODELING VARIABILITY OF HEART RHYTHM
Published 2019-03-01“…The subject matter is a mathematical model describing the process of heart rhythm variability, which is based on the use of triangular models of non-stationary random processes in the Hilbert space. …”
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419
Climate variability and warming in Coastal Odisha: assessing interannual temperature trends and impacts
Published 2025-04-01“…Explicitly noted the limitations of prior studies (e.g. low station density, short temporal scales, lack of focus on interannual variability),this study contributes novel insights to climate research in Odisha by employing long-term, high-resolution station-level data and advanced homogenisation techniques. …”
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420