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  2. Oxycodone - Wikipedia

    en.wikipedia.org/wiki/Oxycodone

    Oxycodone, sold under various brand names such as Roxicodone, Endone, and OxyContin (which is the extended-release form), is a semi-synthetic opioid used medically for treatment of moderate to severe pain.

  3. EC50 - Wikipedia

    en.wikipedia.org/wiki/EC50

    EC 50 is a measure of concentration, expressed in molar units (M), where 1 M is equivalent to 1 mol / L. The EC 50 of a graded dose response curve therefore represents the concentration of a compound where 50% of its maximal effect is observed. [ 4] The EC 50 of a quantal dose response curve represents the concentration of a compound where 50% ...

  4. Standard error - Wikipedia

    en.wikipedia.org/wiki/Standard_error

    when the probability distribution of the value is known, it can be used to calculate an exact confidence interval; when the probability distribution is unknown, Chebyshev 's or the Vysochanskiï–Petunin inequalities can be used to calculate a conservative confidence interval; and

  5. Numeric precision in Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Numeric_precision_in...

    Excel's storage of numbers in binary format also affects its accuracy. [3] To illustrate, the lower figure tabulates the simple addition 1 + x − 1 for several values of x. All the values of x begin at the 15 th decimal, so Excel must take them into account. Before calculating the sum 1 + x, Excel first approximates x as a binary number

  6. Hill equation (biochemistry) - Wikipedia

    en.wikipedia.org/wiki/Hill_equation_(biochemistry)

    In biochemistry and pharmacology, the Hill equation refers to two closely related equations that reflect the binding of ligands to macromolecules, as a function of the ligand concentration. A ligand is "a substance that forms a complex with a biomolecule to serve a biological purpose" ( ligand definition ), and a macromolecule is a very large ...

  7. Gaussian function - Wikipedia

    en.wikipedia.org/wiki/Gaussian_function

    Gaussian function. In mathematics, a Gaussian function, often simply referred to as a Gaussian, is a function of the base form and with parametric extension for arbitrary real constants a, b and non-zero c. It is named after the mathematician Carl Friedrich Gauss. The graph of a Gaussian is a characteristic symmetric "bell curve" shape.

  8. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    Website. products .office .com /en-us /excel. Microsoft Excel is a spreadsheet editor developed by Microsoft for Windows, macOS, Android, iOS and iPadOS. It features calculation or computation capabilities, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications (VBA).

  9. Potassium dichromate - Wikipedia

    en.wikipedia.org/wiki/Potassium_dichromate

    Potassium dichromate is an oxidising agent in organic chemistry, and is milder than potassium permanganate. It is used to oxidize alcohols. It converts primary alcohols into aldehydes and, under more forcing conditions, into carboxylic acids. In contrast, potassium permanganate tends to give carboxylic acids as the sole products.

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