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  2. 4-tert-Butylcatechol - Wikipedia

    en.wikipedia.org/wiki/4-tert-Butylcatechol

    4-tert-Butylcatechol (TBC) is an organic chemical compound which is a derivative of catechol. [1] TBC is available in the form of a solid crystal flake [ 2 ] and 85% solution in methanol [ 3 ] or water.

  3. List of time periods - Wikipedia

    en.wikipedia.org/wiki/List_of_time_periods

    The categorisation of the past into discrete, quantified named blocks of time is called periodization. [1] This is a list of such named time periods as defined in various fields of study. These can be divided broadly into prehistorical periods and historical periods (when written records began to be kept).

  4. Tanzania Broadcasting Corporation - Wikipedia

    en.wikipedia.org/wiki/Tanzania_Broadcasting...

    TBC Establishment Order signed by His Excellency the President of the United republic of Tanzania on 18 August 2007 Singida TV and Radio transmitter stations commissioned in 2010 10 new FM radio transmitter stations established at Sumbawanga, Kilimanjaro, Shinyanga, Babati, Mpanda, Tunduru, Songea, Morogoro, Iringa and Masasi in 2010/2011

  5. Management of tuberculosis - Wikipedia

    en.wikipedia.org/wiki/Management_of_tuberculosis

    Management of tuberculosis refers to techniques and procedures utilized for treating tuberculosis (TB), or simply a treatment plan for TB.. The medical standard for active TB is a short course treatment involving a combination of isoniazid, rifampicin (also known as Rifampin), pyrazinamide, and ethambutol for the first two months.

  6. History of tuberculosis - Wikipedia

    en.wikipedia.org/wiki/History_of_tuberculosis

    In 2008, evidence for tuberculosis infection was discovered in human remains from the Neolithic era dating from 9,000 years ago, in Atlit Yam, a settlement in the eastern Mediterranean. [7] This finding was confirmed by morphological and molecular methods; to date it is the oldest evidence of tuberculosis infection in humans.

  7. Time base correction - Wikipedia

    en.wikipedia.org/wiki/Time_base_correction

    Time base correction (TBC) is a technique to reduce or eliminate errors caused by mechanical instability present in analog recordings on mechanical media. Without time base correction, a signal from a videotape recorder (VTR) or videocassette recorder (VCR), cannot be mixed with other, more time-stable devices such as character generators and video cameras found in television studios and post ...

  8. Adjusted ERA+ - Wikipedia

    en.wikipedia.org/wiki/Adjusted_ERA+

    ERA+ is calculated as: + = Where ERA is the pitcher's ERA, lgERA is the average ERA of the league, and PF is the park factor of the pitcher in question.. This formula is now standard, [1] although Baseball-Reference.com briefly used a different formula which took values strictly between 0 and 200 instead of between 0 and infinity, but the current website shows values above 200 so it is clearly ...

  9. List of periods and events in climate history - Wikipedia

    en.wikipedia.org/wiki/List_of_periods_and_events...

    Knowledge of precise climatic events decreases as the record goes further back in time. The timeline of glaciation covers ice ages specifically, which tend to have their own names for phases, often with different names used for different parts of the world. The names for earlier periods and events come from geology and paleontology.