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Here is the wavelength of light, and ¯ is the luminous efficiency function, which represents the eye's sensitivity to different wavelengths of light. Luminous energy is the integrated luminous flux in a given period of time: Q v = ∫ 0 T Φ v ( t ) d t {\displaystyle Q_{\mathrm {v} }=\int _{0}^{T}{\mathit {\Phi _{\mathrm {v} }}}(t)\,\mathrm ...
All the inscriptions published between 1916 and 1936 were given identification numbers following those of Gardiner's initial 1916 publication. Gardiner's numbers 1–344 were objects from Sinai with unrelated Egyptian inscriptions, so the Proto-Sinaitic inscriptions numbering began at 345.
The Sinai Peninsula, or simply Sinai (/ ˈ s aɪ n aɪ / SY-ny; Arabic: سِينَاء; Egyptian Arabic: سينا; Coptic: Ⲥⲓⲛⲁ), is a peninsula in Egypt, and the only part of the country located in Asia. It is between the Mediterranean Sea to the north and the Red Sea to the south, and is a land bridge between Asia and Africa.
Appendix: Observations on the discovery, by Professor Lepsius, of sculptured marks on rocks in the Nile valley in Nubia; indicating that, within the historical period, the river had flowed at a higher level than has been known in modern times.
By recording the attenuation of light for various wavelengths, an absorption spectrum can be obtained. In physics, absorption of electromagnetic radiation is how matter (typically electrons bound in atoms) takes up a photon's energy—and so transforms electromagnetic energy into internal energy of the absorber (for example, thermal energy). [1]
Syriac Sinaiticus, folio 82b, Gospel of Matthew 1:1-17. Superimposed, life of Saint Euphrosyne.. The Syriac Sinaiticus or Codex Sinaiticus Syriacus (syr s), known also as the Sinaitic Palimpsest, of Saint Catherine's Monastery (Sinai, Syr. 30), or Old Syriac Gospels is a late-4th- or early-5th-century manuscript of 179 folios, containing a nearly complete translation of the four canonical ...
Spectral sensitivity is the relative efficiency of detection, of light or other signal, as a function of the frequency or wavelength of the signal. In visual neuroscience , spectral sensitivity is used to describe the different characteristics of the photopigments in the rod cells and cone cells in the retina of the eye .
People with protanopia have essentially no sensitivity to light of wavelengths more than 670 nm. Most non-primate mammals have the same luminous efficiency function as people with protanopia. Their insensitivity to long-wavelength red light makes it possible to use such illumination while studying the nocturnal life of animals. [18]