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Selenium was originally developed by Jason Huggins in 2004 as an internal tool at ThoughtWorks. [5] Huggins was later joined by other programmers and testers at ThoughtWorks, before Paul Hammant joined the team and steered the development of the second mode of operation that would later become "Selenium Remote Control" (RC).
The "Printable version" link in your sidebar will be replaced with a new "Print page" link. When clicked you will be presented with a dialog as shown to the right.
Selenium toning is a popular archival toning process, converting metallic silver to silver selenide. In a diluted toning solution, selenium toning gives a red-brown tone, while a strong solution gives a purple-brown tone. The change in color depends upon the chemical make-up of the photographic emulsion being toned.
Selenium is found in metal sulfide ores, where it substitutes for sulfur. Commercially, selenium is produced as a byproduct in the refining of these ores. Minerals that are pure selenide or selenate compounds are rare. The chief commercial uses for selenium today are glassmaking and pigments. Selenium is a semiconductor and is used in photocells.
Field Size (bits) Description Copied: 1: Set to 1 if the options need to be copied into all fragments of a fragmented packet. Option Class: 2: A general options category. 0 is for control options, and 2 is for debugging and measurement. 1 and 3 are reserved.
The default Vector skin has a selection in the tools menu at the top-right for 'Printable version'. This printable version is often misunderstood, as it is not exactly a print preview.
Toning is sometimes used for permanence or aesthetic purposes and follows the fixing step. Selenium, gold, and sulfur toners are the most common and act by either partially converting the silver to another compound (such as silver selenide or silver sulfide) or partially replacing the silver with another metal (such as gold). [6]
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