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Titlebook: Observer‘s Guide to Variable Stars; Martin Griffiths Book 2018 Springer Nature Switzerland AG 2018 variable star.finder chart.observationa

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11#
發(fā)表于 2025-3-23 12:14:56 | 只看該作者
Martin Griffithsrespectively, through quasi-static cyclic experiments on double-edge-notched specimens and aluminum buckling-restrained braces. The validation results show that the proposed method can well describe cyclic plasticity of aluminum members at the full strain range.
12#
發(fā)表于 2025-3-23 16:55:19 | 只看該作者
Martin Griffithst offers a valuable resource for undergraduate and graduate students interested in ultra-low-cycle fatigue, researchers investigating steel and aluminum structures, and structural engineers working on applications related to cyclic large plastic loading conditions..978-981-13-2661-5Series ISSN 2366-259X Series E-ISSN 2366-2603
13#
發(fā)表于 2025-3-23 18:02:35 | 只看該作者
rm 2-D arrays. The NUFFT beamforming method is approximate, but suitable for arbitrary 2-D arrays. It is proven that the computation errors of the NUFFT beamforming are neglected for underwater 3-D imaging. In most cases, the computational load of the NUFFT beamforming method is lower than that of t
14#
發(fā)表于 2025-3-23 22:56:30 | 只看該作者
Book 2018e author goes on to explain the?skills needed to operate a telescope and other equipment, as well as how to couple filters to a CCD camera or digital SLR camera in order to photometrically record these celestial objects. Further, the book includes an observational guide to 50 objects for study, with
15#
發(fā)表于 2025-3-24 03:17:48 | 只看該作者
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發(fā)表于 2025-3-24 09:20:04 | 只看該作者
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發(fā)表于 2025-3-24 14:10:52 | 只看該作者
Instruments and Equipment,r heavenly heritage. In our modern era it seems incredible to think that the telescope was invented only 400?years ago and the quality of astronomical telescopes has steadily improved ever since. Therefore, let us now turn to an examination of the kinds of instruments and auxiliary equipment availab
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發(fā)表于 2025-3-24 17:45:25 | 只看該作者
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發(fā)表于 2025-3-24 21:54:30 | 只看該作者
20#
發(fā)表于 2025-3-25 00:25:16 | 只看該作者
Giant Stars and Their Variability,to take up the discipline of recording variable starlight curves. Their longer periods, and in the case of the red giant stars, large range of magnitudes, enable the observer to record over an extended period of time; the interference from inclement weather is reduced, as missing data is not as impo
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