Results 101 to 110 of about 16,757 (258)

HRTEM Imaging and Mechanistic Insights Into Carbon Nanotube Nucleation and Growth on Fe Nanocatalysts in a Thermal Plasma

Small Methods, EarlyView.
Carbon nanotubes (CNTs) were successfully debundled from Tuball soots produced using iron nanocatalysts in arc discharge thermal plasma and distributed on monolayer graphene for HRTEM imaging for mechanistic insights into CNT synthesis. Zigzag single‐wall or double‐wall CNTs were identified.
Hengfei Gu, Stanislav Musikhin, Guangming Cheng, Nan Yao, Yevgeny Raitses, Bruce E. Koel   +5 more
wiley   +1 more source

Detection of Four Intermediate-mass Stars with Cool Companions in Low Mass Ratio Eclipsing Binaries

The Astrophysical Journal
According to the core fragmentation and dynamical capture theories of binary formation, binaries tend to form with nearly equal masses. The detection of intermediate-mass binaries with low mass ratios challenges these theories, as such binaries may form ...
Linfeng Chang, Shengbang Qian, Lei Zang, Fuxing Li   +3 more
doaj   +1 more source

Fragment‐Block: A Novel Approach for Managing Variability in Software Product Lines

Software: Practice and Experience, EarlyView.
ABSTRACT Objective Changes in the functionality of a software product line (SPL) can generate various issues in the SPL source code. Their complexity depends primarily on the amount of changes in the SPL source code and the internal mechanisms for managing variability. Further, modern development frameworks rely on a variety of artefacts besides source
Junior Cupe Casquina, Leonardo Montecchi
wiley   +1 more source

Observations of Two Unusual Eclipsing Binaries, FN Cam and AG Vir

Open Astronomy, 2014
Based on the results of classification of eclipsing binaries, we have compiled a list of stars that are promising objects for future study. We have started an observational campaign with telescopes of the Kourovka Observatory, Russia and present the ...
Avvakumova E. A., Malkov O. Yu., Popov A. A., Kniazev A. Yu.   +3 more
doaj   +1 more source

THE (O-C) DIAGRAMS OF ECLIPSING BINARIES: TRADITIONAL AND NEW WAYS OF TREATMENT

Odessa Astronomical Publications, 2017
In this review, the traditional and the new ways of treatment of the orbital period changes of close eclipsing binaries are presented. Moreover, a comparison is made, and a general discussion is given.
H. Rovithis-Livaniou
doaj   +1 more source

Kepler Eclipsing Binary Stars. VI. Identification of Eclipsing Binaries in the K2 Campaign 0 Data-set

, 2015
The original {\it Kepler} mission observed and characterized over 2400 eclipsing binaries in addition to its prolific exoplanet detections. Despite the mechanical malfunction and subsequent non-recovery of two reaction wheels used to stabilize the ...
Barclay, Tom, Boyajian, Tabetha S., Conroy, Kyle E., Coughlin, Jeffrey L., Fischer, Debra A., Jacobs, Thomas L., Jek, Kian J., LaCourse, Daryll M., Nelson, Lorne, Pepper, Joshua, Prša, Andrej, Rappaport, Saul A., Sanchis-Ojeda, Roberto, Schmitt, Joseph R., Shporer, Avi, Stassun, Keivan G., Wang, Ji, Winarski, Troy   +17 more
core   +1 more source

GAIA Survey of Galactic Eclipsing Binaries [PDF]

International Astronomical Union Colloquium, 2002
AbstractThe general importance and capabilities of observations of eclipsing binaries by the forthcoming ESA mission GAIA are discussed. Availability of spectroscopic observations and a large number of photometric bands on board will make it possible to reliably determine physical parameters for ∼ 105 binary stars.
openaire   +2 more sources

Data privacy model using blockchain reinforcement federated learning approach for scalable internet of medical things

CAAI Transactions on Intelligence Technology, EarlyView.
Abstract Internet of Medical Things (IoMT) has typical advancements in the healthcare sector with rapid potential proof for decentralised communication systems that have been applied for collecting and monitoring COVID‐19 patient data. Machine Learning algorithms typically use the risk score of each patient based on risk factors, which could help ...
Chandramohan Dhasaratha, Mohammad Kamrul Hasan, Shayla Islam, Shailesh Khapre, Salwani Abdullah, Taher M. Ghazal, Ahmed Ibrahim Alzahrani, Nasser Alalwan, Nguyen Vo, Md Akhtaruzzaman   +9 more
wiley   +1 more source

Four ultra-short period eclipsing M-dwarf binaries in the WFCAM Transit Survey

, 2012
We report on the discovery of four ultra-short period ...
Allard, Amôres, Artymowicz, B. Sipőcz, Baraffe, Baraffe, Barrado y Navascués, Bate, Bate, C. del Burgo, Cargile, Casali, Collier-Cameron, Coughlin, Covey, D. Barrado, D. J. Pinfield, D. Mislis, Deb, Derekas, Devor, Dimitrov, E. L. Martin, Eggen, Eggleton, Eggleton, Fabrycky, G. Kovacs, Ge, Goodwin, H. Stoev, Hebb, Henry, Herbst, Hodgkin, I. A. G. Snellen, Irwin, Irwin, Irwin, J. Koppenhoefer, J. L. Birkby, J. Zendejas, Jiang, Knigge, Kovács, Kowalski, M. Cappetta, Maceroni, Martin, Melo, Miller, Morales, N. Goulding, Norton, P. Cruz, Pepper, Pojmanski, Pribulla, Pringle, R. P. Saglia, Raedler, Reipurth, Riaz, Rodríguez-López, Rozyczka, Rucinski, Rucinski, Rucinski, S. T. Hodgkin, S. V. Nefs, Scargle, Schlegel, Sesar, Stepien, Stepien, Stepien, Stetson, Tokovinin, Tylenda, Vida, Weldrake, West, Y. V. Pavlenko, Zhang   +83 more
core   +1 more source

Two Young Eclipsing Binaries in Orion with Temperatures and Radii Affected by Spots and Third Bodies

The Astronomical Journal
In this work we present a model of two young eclipsing binaries in the Orion complex. Both heavily spotted, they present radii and temperatures that are in disagreement with the predictions of standard stellar models.
Marina Kounkel, Keivan G. Stassun
doaj   +1 more source