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  2. Argon oxygen decarburization - Wikipedia

    en.wikipedia.org/wiki/Argon_oxygen_decarburization

    Argonoxygen decarburization (AOD) is a process primarily used in stainless steel making and other high grade alloys with oxidizable elements such as chromium and aluminium. After initial melting the metal is then transferred to an AOD vessel where it will be subjected to three steps of refining; decarburization , reduction , and desulfurization .

  3. All India Senior School Certificate Examination - Wikipedia

    en.wikipedia.org/wiki/All_India_Senior_School...

    In 2021, due to the COVID-19 crisis, the secondary school exams for class X and XII had been cancelled. [9] In Academic Year (2021-2022) Central Board of Secondary Education (CBSE) Announced That Board Examinations of Class 10th and 12th will be Will be conducted in two-terms, first term in November-December 2021 and second term in April-March ...

  4. Standard solution - Wikipedia

    en.wikipedia.org/wiki/Standard_solution

    Standard solutions are generally prepared by dissolving a solute of known mass into a solvent to a precise volume, or by diluting a solution of known concentration with more solvent. [1] A standard solution ideally has a high degree of purity and is stable enough that the concentration can be accurately measured after a long shelf time. [2]

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  6. Commercial classification of chemicals - Wikipedia

    en.wikipedia.org/wiki/Commercial_classification...

    Kline matrix. [4]Kline matrix was presented for the first time in 1970 by Charles Howard Kline. [5] It is a more detailed classification of the previous one, that distinguished chemical commodities into two subclasses, called respectively "true commodities" and "pseudocommodities".

  7. Ford AOD transmission - Wikipedia

    en.wikipedia.org/wiki/Ford_AOD_transmission

    The AOD (automatic overdrive) is a four-speed automatic transmission, with the 4th gear as overdrive. Introduced in 1980, it was Ford 's first four-speed automatic overdrive transmission. The gearset design is based on the Ford "X" automatic transmissions used during the 1950s, '60s, and '70s.

  8. AOD - Wikipedia

    en.wikipedia.org/wiki/AOD

    Alcohol and Other Drugs (AOD) refers to substances, legal or illegal, that can alter mood, behavior, or physical functioning. Architecture Overview Document, a document related to Solution architecture, details the high-level requirements, principles and constraints that bound to particular project.

  9. Wikipedia:Reference desk/Archives/Science/December 2005 ...

    en.wikipedia.org/wiki/Wikipedia:Reference_desk/...

    The reason for this is that, at a higher temperature, the gas particles move faster, and they can more easily escape from the surface of the solution (the vapor pressure is higher). So, the capacity of hot water to contain dissolved air is less than that of cold water. —Keenan Pepper 18:47, 2 December 2005 (UTC)