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Photometric variability in young stellar objects (YSOs) provides critical insight into the mechanisms of mass accretion, disk evolution, and circumstellar extinction in early stellar evolution. We present an analysis of day-timescale…

The use of eco-friendly materials for the environment has been addressed as a critical issue in the development of systems for renewable energy applications. In this regard, the investigation of organic photovoltaic (OPV) molecules for the…

化学物理 · 物理学 2017-01-13 Alfredo Guillén-López , Miguel Robles , Jesús Muñiz

The Virgo and A1795 clusters of galaxies were re-observed by EUVE with {\it in situ} background measurements by pointing at small offsets. Earlier, a similar re-observational strategy applied to the cluster A2199 revealed that the…

天体物理学 · 物理学 2009-10-31 Max Bonamente , Richard Lieu , Jonathan P. D. Mittaz

Modern robotics has enabled the advancement in yield estimation for precision agriculture. However, when applied to the olive industry, the high variation of olive colors and their similarity to the background leaf canopy presents a…

机器人学 · 计算机科学 2023-08-17 Yianni Karabatis , Xiaomin Lin , Nitin J. Sanket , Michail G. Lagoudakis , Yiannis Aloimonos

Results of the estimation of the precision for determination volatile compounds in alcohol-containing products by gas chromatography: acetaldehyde, methyl acetate, ethyl acetate, methanol, isopropyl alcohol, propyl alcohol, isobutyl…

化学物理 · 物理学 2016-01-21 S. V. Charapitsa , N. I. Zayats , Y. V. Zadreyko , S. N. Sytova

(Aims) We investigate whether volcanic exomoons can be detected in thermal wavelength light curves due to their phase variability along their orbit. The method we use is based on the photometric signal variability that volcanic features or…

地球与行星天体物理 · 物理学 2024-07-03 E. Kleisioti , D. Dirkx , X. Tan , M. A. Kenworthy

Time-varying phenomena are one of the most substantial sources of astrophysical information and their study has led to many fundamental discoveries in modern astronomy. We have developed an automated tool to search and analyze variable…

Service life prediction is of great importance to manufacturers of coatings and other polymeric materials. Photodegradation, driven primarily by ultraviolet (UV) radiation, is the primary cause of failure for organic paints and coatings, as…

应用统计 · 统计学 2017-05-10 Yuanyuan Duan , Yili Hong , William Q. Meeker , Deborah L. Stanley , Xiaohong Gu

Tomato anomalies/damages pose a significant challenge in greenhouse farming. While this method of cultivation benefits from efficient resource utilization, anomalies can significantly degrade the quality of farm produce. A common anomaly…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Mahmoud Abdulsalam , Usman Zahidi , Bradley Hurst , Simon Pearson , Grzegorz Cielniak , James Brown

We search for extragalactic sources in the VISTA Variables in the V\'ia L\'actea survey that are hidden by the Galaxy. Herein, we describe our photometric procedure to find and characterize extragalactic objects using a combination of…

Understanding solar flares is critical for predicting space weather, as their activity shapes how the Sun influences Earth and its environment. The development of reliable forecasting methodologies of these events depends on robust flare…

Detecting and characterizing the atmospheres of rocky exoplanets has proven to be challenging for JWST. Transit spectroscopy of the TRAPPIST-1 planets has been impacted by the effects of spots and faculae on the host star. Secondary…

The orientation of luminescent molecules in organic light-emitting diodes (OLEDs) strongly influences device performance. However, our understanding of the factors controlling emitter orientation is limited as current measurements only…

Two-stage object detectors generate object proposals and classify them to detect objects in images. These proposals often do not contain the objects perfectly but overlap with them in many possible ways, exhibiting great variability in the…

计算机视觉与模式识别 · 计算机科学 2023-04-12 Jingyi Xu , Hieu Le , Dimitris Samaras

Determination of the volume content of ethanol in the alcohol products in practice is usually determined by pycnometry, electronic densimetry, or densimetry using a hydrostatic balance in accordance with Commission Regulation No 2870/2000.…

化学物理 · 物理学 2014-01-23 Siarhei Charapitsa , Nikita Kulevich , Svetlana Sytova , Yurii Yakuba

RV variable stars are important in astrophysics. The Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) spectroscopic survey has provided ~ 6.5 million stellar spectra in its Data Release 4 (DR4). During the survey, ~ 4.7…

Understanding planetary habitability requires a comparative approach that explores the divergent evolutionary outcomes of Earth and Venus. The Habitable Worlds Observatory (HWO) will be uniquely positioned to conduct a statistical and…

Electrochemical impedance spectroscopy (EIS) is a widely used tool for characterization of fuel cells and other electrochemical conversion systems. When applied to the on-line monitoring in the context of in-field applications, the…

We perform a blind search for the variability of the gamma-ray sky in the energy range E>1 GeV using 308 weeks of the Fermi-LAT data. We use the technique based on the comparison of the weekly photon counts and exposures in sky pixels by…

高能天体物理现象 · 物理学 2015-12-22 M. S. Pshirkov , G. I. Rubtsov