In this International Year of Light, it is particularly appropriate to review the historical concept of what is light and the controversies surrounding the extent of the visible spectrum. Today we recognize that light possesses both a wave and particle nature. It is also clear that the limits ...
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By contrast, the midday Sun is rich in shorter wavelengths with a color temperature of about 6500 K. Sunlight become red-rich when low in the sky and the significant change in spectrum is often unnoticed because of selective chromatic adaptation by our visual system. What is light DH Sliney ...
某公司2021年度发生的有关交易或事项如下:(1)因出租房屋取得租金收入120万元(2)因处置固定资产产生净收益30万元(3)因管理不当造成存货短缺净损失10万元(4)办公楼所在地块的土地使用权摊销200万元(5)持有的交易性金融资产公允价值上升20万元(6)因存货市价上升转回上年计提的存货跌价准备50万元。上述交易或事项对该...
Coming off of Laura's post and Neir's survey, I've been thinking again about this terminology and the model of identity it implies. "A-spectrum" is a term originating on Tumblr in 2015, as an attempt to refer to the aro and ace spectrums simultaneously.
In the broadest sense a spectrometer is any instrument that is used to measure the variation of a physical characteristic over a given range; i.e. a spectrum. This could be a mass-to-charge ratio spectrum in the case of a mass spectrometer, the variation of nuclear resonant frequencies in...
A spectrometer is a device that measures a continuous, non-discrete physical characteristic by first separating it into a spectrum of its constituent components.
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We also get a continuum spectrum from a hot solid, so for example the light produced by incandescent light bulbs is a continuum spectrum. These kinds of bulbs give off light by a very thin coil of metal, the filament, (usually tungsten) getting extremely hot from having an electric current...