Results 221 to 230 of about 143,610 (241)
Advanced Engineering Materials, EarlyView.An idea of designing novel sensors is proposed by creating appropriate Schottky barriers and vacancies between isomorphous Core‐CuOii/ Shell‐CuOi secondary microspheres and enhancing catalytic and spill‐over effects, and electronegativity via spontaneous biphasic separation, self‐assembly, and trace‐Ni‐doping.
Bala Ismail Adamu +8 more
wiley +1 more source
Consumed by Abdominal Distention
Arthritis Care &Research, Accepted Article.
Abimbola Fadairo‐Azinge +3 more
wiley +1 more source
An Inkjet‐Printed Platinum‐Based Temperature Sensing Element on Polyimide Substrates
Advanced Engineering Materials, EarlyView.An inkjet‐printed, meander‐structured, nanoparticle platinum‐based resistive temperature sensors on polyimide substrates are demonstrated as proof‐of‐concept. Optimized sintering at 250°C enables stable conductive structures. The Pt100‐ and Pt1000‐type sensors exhibit linear resistance–temperature characteristics with stable TCR in the 20°C–80°C range,
Shawon Alam +6 more
wiley +1 more source
Advanced Engineering Materials, EarlyView.This article presents a solver‐agnostic domain‐specific language (DSL) for computational structural mechanics that strengthens interoperability in virtual product development. Using a hierarchical data model, the DSL enables seamless exchange between diverse simulation tools and numerical methods.
Martin Rädel +3 more
wiley +1 more source
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International Astronomical Union Colloquium, 1978
SummaryAlthough mass results and their evolutionary connotations now largely stem from observational realms other than astrometry, it is the combination with proper motions, kinematics, and distance calibration which significantly enhances their usefulness.
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SummaryAlthough mass results and their evolutionary connotations now largely stem from observational realms other than astrometry, it is the combination with proper motions, kinematics, and distance calibration which significantly enhances their usefulness.
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Stellar mass loss and atmospheric instability
International Astronomical Union Colloquium, 1988AbstractA review is given of rate of mass-loss values in the upper part of the Hertzsprung-Russell diagram. Near the luminosity limit of stellar existance = −10−4 M⊙ yr−1. Episodical mass loss in bright variable super- and hypergiants does not significantly increase this value. For Wolf-Rayet stars the rate of mass loss is larger by a factor 140 than
Cornelis de Jager, Hans Nieuwenhuijzen
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1989
We have seen that a careful analysis of a star’s spectrum reveals the chemical and physical characteristics of its atmosphere, but the spectrum tells us very little about its deep interior. It gives us only the total amount of radiation emitted per second by the star; it tells us nothing about the generation and transport of this radiation through the ...
Lloyd Motz, Jefferson Hane Weaver
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We have seen that a careful analysis of a star’s spectrum reveals the chemical and physical characteristics of its atmosphere, but the spectrum tells us very little about its deep interior. It gives us only the total amount of radiation emitted per second by the star; it tells us nothing about the generation and transport of this radiation through the ...
Lloyd Motz, Jefferson Hane Weaver
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2014
This chapter examines stellar-mass black holes. The empirical study of black holes began in the 1960s with the discovery of quasars and the advent of X-ray astronomy. X-ray detectors could detect X-rays coming from a particular direction—as the instrument rotated, the detector scanned the sky.
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This chapter examines stellar-mass black holes. The empirical study of black holes began in the 1960s with the discovery of quasars and the advent of X-ray astronomy. X-ray detectors could detect X-rays coming from a particular direction—as the instrument rotated, the detector scanned the sky.
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Stellar mass-luminosity and mass-radius relations
Astrophysics and Space Science, 1991The new binary star data have been used together with new theoretical estimates in the study of mass-luminosity and mass-radius relations (MLR and MRR) for the Main-Sequence (MS) stars. The slopes of the relations change at certain critical values, e.g., at ∼0.5M⊙ for MLR and at ∼1.7M⊙ for MRR. The first point is the indication of transition from fully-
Osman Demircan, G�ksel Kahraman
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Nature, 1881
I SEND you a working hypothesis which I think will well pay for its place in the world. It is as to the heat of large stellar masses; that the imperfect conduction of the kinetic force producing gravitation through large stellar masses causes heat in them.
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I SEND you a working hypothesis which I think will well pay for its place in the world. It is as to the heat of large stellar masses; that the imperfect conduction of the kinetic force producing gravitation through large stellar masses causes heat in them.
openaire +1 more source