Phase angle (astronomy)
View article: Theory of magnetic circular dichroism spectroscopy technique in reflected light using an additional mirror
Theory of magnetic circular dichroism spectroscopy technique in reflected light using an additional mirror Open
The theory of the method of magnetic circular dichroism spectroscopy in reflected light (RMCD) has been developed using a simplified scheme without an analyzer, with the use of an additional mirror in the optical system and with the applic…
View article: Theory of magnetic circular dichroism spectroscopy technique in reflected light using an additional mirror
Theory of magnetic circular dichroism spectroscopy technique in reflected light using an additional mirror Open
The theory of the method of magnetic circular dichroism spectroscopy in reflected light (RMCD) has been developed using a simplified scheme without an analyzer, with the use of an additional mirror in the optical system and with the applic…
View article: Analysis of Harmonic Improvement in the Computer Laboratory of Samarinda State Polytechnic with the Addition of a Static VAR Compensator
Analysis of Harmonic Improvement in the Computer Laboratory of Samarinda State Polytechnic with the Addition of a Static VAR Compensator Open
An electrical system is said to have a high level of reliability if it is capable of supplying electrical energy continuously and in accordance with user needs. The quality of electrical power can be disrupted by the use of non-linear load…
View article: Analysis of Harmonic Improvement in the Computer Laboratory of Samarinda State Polytechnic with the Addition of a Static VAR Compensator
Analysis of Harmonic Improvement in the Computer Laboratory of Samarinda State Polytechnic with the Addition of a Static VAR Compensator Open
An electrical system is said to have a high level of reliability if it is capable of supplying electrical energy continuously and in accordance with user needs. The quality of electrical power can be disrupted by the use of non-linear load…
View article: Experimental Evaluation and Predictive Modeling of Asphalt Binders Modified with Ground Tire Rubber
Experimental Evaluation and Predictive Modeling of Asphalt Binders Modified with Ground Tire Rubber Open
The use of ground tire rubber (GTR) as a modifier significantly enhances asphalt binder performance while simultaneously addressing environmental concerns associated with tire disposal. As electric vehicle (EV) adoption rises, scrap tire v…
View article: Association of SARC-F with muscle mass, strength, and quality derived from bioelectrical impedance spectroscopy for sarcopenia assessment
Association of SARC-F with muscle mass, strength, and quality derived from bioelectrical impedance spectroscopy for sarcopenia assessment Open
The SARC-F is a 5-item questionnaire screening for patients at risk of sarcopenia. The electrical properties of tissues derived from bioelectrical impedance spectroscopy (BIS), including phase angle (PhA) and intracellular-extracellular wa…
View article: Ultrasonic Monitoring of the Processes of Blast Freezing and Thawing of Meat
Ultrasonic Monitoring of the Processes of Blast Freezing and Thawing of Meat Open
Freezing and thawing strongly affect the structural integrity and quality of meat, yet these processes remain difficult to monitor due to spatial temperature gradients and non-uniform phase transitions. This study investigates the ability …
View article: An Ambiguity in Child Body Surface Area Measurement
An Ambiguity in Child Body Surface Area Measurement Open
Body Surface Area (BSA) and Total Body Surface Area (TBSA) are important indicators used in different domains of medicine, playing a crucial role in oncology, toxicology, and even transplantology or cardiology. Their main (although not sol…
View article: Clinical Significance of Phase Angle for Assessing Quality of Life and Prognosis in Hemodialysis Patients
Clinical Significance of Phase Angle for Assessing Quality of Life and Prognosis in Hemodialysis Patients Open
Background/Objectives: The phase angle (PA), derived from bioelectrical impedance analysis (BIA), reflects cellular integrity and nutritional status. Previous studies have reported associations between PA, QOL, and prognosis in hemodialysi…
View article: Asteroid phase curve modeling with empirical correction for shape and viewing geometry
Asteroid phase curve modeling with empirical correction for shape and viewing geometry Open
We present a novel empirical method for correcting asteroid phase curves for rotational and geometrical effects using precomputed spin-and-shape models. Our approach normalizes sparse photometric data to a pole-on geometry, enabling consis…
View article: Asteroid phase curve modeling with empirical correction for shape and viewing geometry
Asteroid phase curve modeling with empirical correction for shape and viewing geometry Open
We present a novel empirical method for correcting asteroid phase curves for rotational and geometrical effects using precomputed spin-and-shape models. Our approach normalizes sparse photometric data to a pole-on geometry, enabling consis…
View article: Phase Geometry Series — Parts I and I-B: Resonant Field Symmetry in Superconductivity and Classical Basis for Magnetic Phase Control of a Thick SNS Weak Link
Phase Geometry Series — Parts I and I-B: Resonant Field Symmetry in Superconductivity and Classical Basis for Magnetic Phase Control of a Thick SNS Weak Link Open
This record contains two companion preprints that form Parts I and I-B of the Phase Geometry Series. Part I — “Resonant Field Symmetry in Superconductivity: Standing-wave Interpretation of Barriers and the Meissner Effect”…
View article: Non-Linear Association Between Phase Angle and Body Fat in a Sample of US Adults
Non-Linear Association Between Phase Angle and Body Fat in a Sample of US Adults Open
Phase angle (PhA) is a widely used bioimpedance index associated with cell mass, membrane integrity, skeletal muscle mass and quality, and body fluid distribution. This study aims to investigate the relationship between PhA and body fat, w…
View article: Bioelectrical Impedance Analysis and Phase Angle in Cancer Care: Prognosis, Nutrition, and Clinical Utility in 19.151 Patient
Bioelectrical Impedance Analysis and Phase Angle in Cancer Care: Prognosis, Nutrition, and Clinical Utility in 19.151 Patient Open
Background: Cancer-related malnutrition and inflammation worsen clinical outcomes. Bioelectrical impedance analysis (BIA) provides raw parameters—resistance (R) and reactance (Xc)—from which phase angle (PhA) is derived as a proxy of cell‐…
View article: Implementation of bioimpedance body composition analysis in the comprehensive assessment of nutritional status of children after severe traumatic brain injury
Implementation of bioimpedance body composition analysis in the comprehensive assessment of nutritional status of children after severe traumatic brain injury Open
Children with severe traumatic brain injury are at high risk of developing nutritional disorders, the frequency of which, according to the literature, reaches 50%. The aim of the study is to analyze the structure and frequency of nutrition…
View article: Association Between the Phase Angle and Function Recovery in Patients With Hip Fractures
Association Between the Phase Angle and Function Recovery in Patients With Hip Fractures Open
View article: Extracellular Water and Phase Angle, Markers of Heightened Inflammatory State, and Their Prognostic Potential for Body Composition Outcomes in Adults
Extracellular Water and Phase Angle, Markers of Heightened Inflammatory State, and Their Prognostic Potential for Body Composition Outcomes in Adults Open
Background/Aim: Extracellular-to-total body water ratio (ECW/TBW) and phase angle (PhA, PA) reflect hydration and cellular health, but their relationship with bone, muscle, and fat, as primary components of body composition, is not fully e…
View article: Reconstruction of Impedance Criteria and Stability Enhancement Strategies for Grid-Connected Inverters
Reconstruction of Impedance Criteria and Stability Enhancement Strategies for Grid-Connected Inverters Open
Grid-connected inverters play an indispensable and crucial role between new energy power generation devices and the power grid. As an important method for stability analysis of grid-connected inverters, impedance criteria have been widely …
View article: Complex Modulus of Bituminous Mixtures Modified with PVC Waste Using Dynamic Mechanical Analysis
Complex Modulus of Bituminous Mixtures Modified with PVC Waste Using Dynamic Mechanical Analysis Open
Asphalt pavements are subject to deterioration due to climatic and mechanical effects, which progressively impair the physical and chemical properties of asphalt mixtures and reduce their durability. At the same time, plastic waste, partic…
View article: Phase Geometry Series — Parts I and I-B: Resonant Field Symmetry in Superconductivity and Classical Basis for Magnetic Phase Control of a Thick SNS Weak Link
Phase Geometry Series — Parts I and I-B: Resonant Field Symmetry in Superconductivity and Classical Basis for Magnetic Phase Control of a Thick SNS Weak Link Open
This record contains two companion preprints that form Parts I and I-B of the Phase Geometry Series. Part I — “Resonant Field Symmetry in Superconductivity: Standing-wave Interpretation of Barriers and the Meissner Effect”This work present…
View article: Rheological Deterioration of High Viscosity High Elasticity Asphalt (HVEA) Under the Coupling Effect UV Aging and Salt Freeze-Thaw (SFT) Cycles
Rheological Deterioration of High Viscosity High Elasticity Asphalt (HVEA) Under the Coupling Effect UV Aging and Salt Freeze-Thaw (SFT) Cycles Open
To investigate the deterioration pattern of the rheological properties of high-viscosity high-elasticity asphalt (HVEA) under UV and salt freeze–thaw (SFT) cycle environments, two snowmelt salts were used for coupled aging tests, along wit…
View article: Influence of circadian alignment and sleep timing variability on sex-specific inflammatory markers in healthy adults
Influence of circadian alignment and sleep timing variability on sex-specific inflammatory markers in healthy adults Open
Sleep and circadian disruption affect inflammatory mechanisms; however, the extent which to sex plays a role in the relationship between the circadian timing of behaviors and markers of inflammation is unclear. We investigated sex-specific…
View article: Prognostic Value of Multifrequency Bioelectrical Impedance Analysis in Chronic Obstructive Pulmonary Disease: Systematic Review
Prognostic Value of Multifrequency Bioelectrical Impedance Analysis in Chronic Obstructive Pulmonary Disease: Systematic Review Open
Background and Objectives: Chronic obstructive pulmonary disease (COPD) is a systemic condition in which muscle wasting, malnutrition, and altered fluid balance strongly influence prognosis. While spirometry remains essential for diagnosis…
View article: Estimation of phasors of power grid voltages and currents based on discrete samples of instantaneous values
Estimation of phasors of power grid voltages and currents based on discrete samples of instantaneous values Open
A method for estimating the real and imaginary parts of the phasor of voltages and currents of the power grid based on discrete readings of instantaneous values is proposed. The method involves determining the projections on the complex …
View article: Porcine tooth CDJ fatigue damage high-energy phase contrast imaging
Porcine tooth CDJ fatigue damage high-energy phase contrast imaging Open
We study the propagation of cracks and crack-arrest mechanisms across the interface between tooth dentine and root cementum. We use freshly extracted porcine teeth as they have diet and eating habits that can be compared to young adult hum…
View article: Classification of Induction Motor Fault and Imbalance Based on Vibration Signal Using Single Antenna's Reactive Near Field
Classification of Induction Motor Fault and Imbalance Based on Vibration Signal Using Single Antenna's Reactive Near Field Open
Early fault diagnosis is imperative for the proper functioning of rotating machines. It can reduce economic losses in the industry due to unexpected failures. Existing fault analysis methods are either expensive or demand expertise for the…
View article: Evaluating and Improving Light Absorption Retrievals of Black Carbon Using In Situ Polar Nephelometry
Evaluating and Improving Light Absorption Retrievals of Black Carbon Using In Situ Polar Nephelometry Open
Black carbon (BC) is among the major contributors to global warming, yet significant uncertainties exist in remote sensing retrievals of BC light absorption. A key issue is the mismatch between the simplified spherical morphology assumptio…
View article: Performance Evaluation of Composite CNT/PE-Modified Asphalt Concrete at Binder, Mixture, and Pavement Levels
Performance Evaluation of Composite CNT/PE-Modified Asphalt Concrete at Binder, Mixture, and Pavement Levels Open
Advancing the multi-scale performance of asphalt pavements requires innovative binder modifications that address limitations in rutting resistance, fatigue resistance, and durability across the binder, mixture, and structural levels. This …
View article: Phase Angle as a Marker of Sarcopenia and Frailty in Hospitalized Older Adults: Clinical Promise and Research Needs
Phase Angle as a Marker of Sarcopenia and Frailty in Hospitalized Older Adults: Clinical Promise and Research Needs Open
View article: Chrono-Synchronised Dual-Slack Bus System Phase Angle Determination and Alignment
Chrono-Synchronised Dual-Slack Bus System Phase Angle Determination and Alignment Open