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Sporadic Dips from Extended Debris Transiting the Metal-rich White Dwarf SBSS 1232+563
Published 2025-01-01Get full text
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703
Performance improvement and emissions reduction of methanol fuelled marine dual-fuel engine with variable compression ratio
Published 2025-07-01“…The results reveal that the engine thermal efficiency for CR 19, 16 and 12 at low, medium and high loads respectively increases by 7 %, 2 % at low and medium loads, whereas, decreases by 4 % at the high load. …”
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704
Genetic Variability of Coffee (Coffea arabica L.) Germplasm in Biennial Bearing and Its Influence on Selection Efficiency
Published 2023-01-01“…Both T43/11 and T51/11 were among the top high yielders and showed low biennial bearing at Gera and Tepi. T33/11, T49/11, T55/11, and T61/11 showed very low biennial bearing at both locations. …”
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705
Assessment of genetic variability of Ethiopian chickpea (Cicer arietinum L.) genotypes using agro-morphological traits
Published 2025-12-01“…The study was conducted to assess the genetic variability present among 231 chickpea genotypes using alpha lattice design at Aksum, Northern Ethiopia. …”
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706
Combining Smartphone Inertial Sensors and Machine Learning Algorithms to Estimate Power Variables in Standing Long Jump
Published 2025-01-01“…This study proved the feasibility of combining low-cost smartphone sensors and machine learning to automatically and objectively estimate SLJ power variables in ecological settings.…”
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707
Fault Ride-Through Control Strategy for Variable Speed Pumped Storage Unit with Full-Size Converter
Published 2024-09-01“…This paper proposes low-voltage ride through (LVRT) and high-voltage ride through (HVRT) strategies for FSC-VSPU to address this issue. …”
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708
Livelihood vulnerability of rural households to climate variability and change: An agroecological system-based approach in northwestern Ethiopia
Published 2024-12-01“…Ethiopia is widely acknowledged to be extremely vulnerable to climatic variability and change. Its agricultural sector, which is particularly susceptible to risks associated with rainfall variability, represents a major source of vulnerability. …”
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709
TREATMENT OF PATIENTS WITH ESSENTIAL HYPERTENSION 1-2 GRADE WITH METOPROLOL TARTRATE AND ANALYSIS OF HEART RATE VARIABILITY
Published 2015-12-01“…It was suggested to split patients in groups with high, normal and low levels of HRV. It was mostly difficult to reach BP targets in patients with low HRV level. …”
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710
Chicago–Carnegie Hubble Program: A Multiwavelength Search for the Effects of Metallicity on the Cepheid Distance Scale. II. Theoretical Models and Synthetic Spectra
Published 2025-01-01“…The discovered effects of metallicity are systematic, but they are small, and as such, they do not contradict the findings of Paper I, but they do explain why the problem has been so hard to resolve given the low level of precision of the photometry for all but the very nearest and apparently brightest Cepheids. …”
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711
Activity-induced Near-infrared Spectral Variability at 29P/Schwassmann–Wachmann 1, 2017–2022
Published 2025-01-01Get full text
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712
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25-hydroxyvitamin D as a predictor of reduced heart rate variability in elderly patients with diabetes mellitus
Published 2025-04-01“…ObjectiveTo analyze the risk factors for decreased heart rate variability (HRV) in elderly diabetic patients and evaluate the predictive value of 25-hydroxyvitamin D [25-(OH)D].MethodsA retrospective study was conducted, enrolling 101 elderly diabetic patients admitted to the Department of Geriatric Endocrinology at the First Affiliated Hospital of Anhui Medical University from 2023 to 2024. …”
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Sketch of the Configuration Scheme of Two-stage Variable Speed Gear Transmission in Unmanned Helicopter Main Gearbox
Published 2018-01-01“…At present,the most effective method of changing the main rotor speed associated with the great speed range and low cost is a variable speed gear transmission employed in main gearbox. …”
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716
ANALYSIS ON DYNAMIC CHARACTERISTICS OF TOOTH ROOT CRACK OF GEAR DRIVE SYSTEM UNDER VARIABLE LOAD EXCITATION
Published 2017-01-01“…On this basis,the dynamic characteristics of gear crack under variable load excitation are analyzed. Analysis shows that,under variable load excitation,the vibration wave forms are very similar to the variable load excitation; Cracks caused by the impact phenomenon on the waveform and meshing frequency and its harmonics appear sideband.Sideband spectrum of the meshing frequency is the rotating frequency of the fault gear; Under variable load excitation,the frequency components of the low frequency is related to the variable load excitation.…”
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An Examination of Academic Procrastination Levels among Undergraduate Kuwait University Students and their Effect on some Demographic Variables.
Published 2018-12-01“… The present research is aimed to investigate the academic procrastination levels among undergraduate Kuwait University students and to explore the effect of some demographic variables namely gender, and academic achievement. …”
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Heart rate variability in patients with acute ST-segment elevation myocardial infarction after COVID-19
Published 2023-11-01“…To compare heart rate variability parameters in patients after a coronavirus disease 2019 (COVID-19) with acute ST elevation myocardial infarction (STEMI) during the inhospital and post-hospital periods.Material and methods. …”
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720
Association of serum copeptin levels with pulmonary complications and heart right ventricular functions in common variable immunodeficiency
Published 2025-08-01“…A copeptin cut-off value of 21 pmol/L effectively distinguished CVID patients with low TAPSE from those with normal TAPSE values (p < 0.001). …”
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