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Beckman DU640 UV-Vis spectrophotometer. Ultraviolet–visible spectrophotometry (UV–Vis or UV-VIS) [1] [2] [3] refers to absorption spectroscopy or reflectance spectroscopy in part of the ultraviolet and the full, adjacent visible regions of the electromagnetic spectrum. [2]
Star system ← ← Nebula Median distance () Stars in system Spectral type Apparent magnitude (V) Comments and references Gamma² Velorum (WR 11/Suhail al Muhlif/Regor) : 1096 +26
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IP65 touchscreen display IP65 LED lamp. The IP code or ingress protection code indicates how well a device is protected against water and dust. It is defined by the International Electrotechnical Commission (IEC) under the international standard IEC 60529 [1] which classifies and provides a guideline to the degree of protection provided by mechanical casings and electrical enclosures against ...
This table lists the machine-readable file formats that can be exported from reference managers. These are typically used to share data with other reference managers or with other people who use a reference manager.
NATO was established on 4 April 1949 via the signing of the North Atlantic Treaty (Washington Treaty). The 12 founding members of the Alliance were: Belgium, Canada, Denmark, France, Iceland, Italy, Luxembourg, the Netherlands, Norway, Portugal, the United Kingdom, and the United States.
The White House, official residence of the president of the United States, in July 2008. The president of the United States is the head of state and head of government of the United States, [1] indirectly elected to a four-year term via the Electoral College. [2]
Lilo & Stitch is a 2002 American animated science fiction comedy drama film produced by Walt Disney Feature Animation and released by Walt Disney Pictures. [3] [4] It was written and directed by Chris Sanders and Dean DeBlois and produced by Clark Spencer, based on an original story created by Sanders.