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  2. F-factor (conversion factor) - Wikipedia

    en.wikipedia.org/wiki/F-factor_(conversion_factor)

    In diagnostic radiology, the F-factor is the conversion factor between exposure to ionizing radiation and the absorbed dose from that radiation. In other words, it converts between the amount of ionization in air (roentgens or, in SI units, coulombs per kilogram of absorber material) and the absorbed dose in air (rads or grays).

  3. Dexmethylphenidate - Wikipedia

    en.wikipedia.org/wiki/Dexmethylphenidate

    A long-acting formulation, Focalin XR, which spans 12 hours is also available and has been shown to be as effective as DL (dextro-, levo-)-TMP (threo-methylphenidate) XR (extended release) (Concerta, Ritalin LA), with flexible dosing and good tolerability. [53] [54] It has also been demonstrated to reduce ADHD symptoms in both children [55] and ...

  4. Absorbed dose - Wikipedia

    en.wikipedia.org/wiki/Absorbed_dose

    Absorbed dose is a dose quantity which is the measure of the energy deposited in matter by ionizing radiation per unit mass. Absorbed dose is used in the calculation of dose uptake in living tissue in both radiation protection (reduction of harmful effects), and radiology (potential beneficial effects, for example in cancer treatment).

  5. Methylphenidate - Wikipedia

    en.wikipedia.org/wiki/Methylphenidate

    The dosage may vary and is titrated to effect, with some guidelines recommending initial treatment with a low dose. [33] Methylphenidate is available in both immediate-release and extended-release (XR) formulations to provide a sustained release of the drug. [34] [35] Methylphenidate is not approved for children under six years of age. [36] [37]

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  7. Percentage depth dose curve - Wikipedia

    en.wikipedia.org/wiki/Percentage_depth_dose_curve

    The dose values are divided by the maximum dose, referred to as d max, yielding a plot in terms of percentage of the maximum dose. Dose measurements are generally made in water or "water equivalent" plastic with an ionization chamber, since water is very similar to human tissue with regard to radiation scattering and absorption.

  8. Effective dose (radiation) - Wikipedia

    en.wikipedia.org/wiki/Effective_dose_(radiation)

    Effective dose is a dose quantity in the International Commission on Radiological Protection (ICRP) system of radiological protection. [1]It is the tissue-weighted sum of the equivalent doses in all specified tissues and organs of the human body and represents the stochastic health risk to the whole body, which is the probability of cancer induction and genetic effects, of low levels of ...

  9. AOL Mail for Verizon Customers - AOL Help

    help.aol.com/products/aol-mail-verizon

    AOL Mail welcomes Verizon customers to our safe and delightful email experience!