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  2. Net metering - Wikipedia

    en.wikipedia.org/wiki/Net_metering

    Net metering (or net energy metering, NEM) is an electricity billing mechanism that allows consumers who generate some or all of their own electricity to use that electricity anytime, instead of when it is generated.

  3. Letter frequency - Wikipedia

    en.wikipedia.org/wiki/Letter_frequency

    The California Job Case was a compartmentalized box for printing in the 19th century, sizes corresponding to the commonality of letters. The frequency of letters in text has been studied for use in cryptanalysis, and frequency analysis in particular, dating back to the Arab mathematician al-Kindi (c. 801–873 AD), who formally developed the method (the ciphers breakable by this technique go ...

  4. Grading systems by country - Wikipedia

    en.wikipedia.org/wiki/Grading_systems_by_country

    3.7 80-91 2+ 12 points 1.7 "gut" (good: an achievement that exceeds the average requirements considerably) 3.3 2 11 points 2.0 3.0 2- 10 points 2.3 2.7 65–79 3+ 9 points 2.7 "befriedigend" (satisfactory: an achievement that fulfills average requirements) 2.3 3 8 points 3.0 2.0 3- 7 points 3.3 1.7 50–64 4+ 6 points 3.7

  5. Model for End-Stage Liver Disease - Wikipedia

    en.wikipedia.org/wiki/Model_for_End-Stage_Liver...

    If the patient has been dialyzed twice within the last 7 days, then the value of serum creatinine should be 4.0 mg/dL Any value less than one is given a value of 1 (i.e. if bilirubin is 0.8 a value of 1.0 is used) to prevent subtraction from any of the three factors, since the natural logarithm of a positive number below 1 (greater than 0 and ...

  6. Gamma correction - Wikipedia

    en.wikipedia.org/wiki/Gamma_correction

    Gamma correction is, in the simplest cases, defined by the following power-law expression: where the non-negative real input value is raised to the power and multiplied by the constant A to get the output value . In the common case of A = 1, inputs and outputs are typically in the range 0–1. A gamma value is sometimes called an encoding gamma ...

  7. Academic grading in Germany - Wikipedia

    en.wikipedia.org/wiki/Academic_grading_in_Germany

    v. t. e. Germany uses a 5- or 6-point grading scale (GPA) to evaluate academic performance for the youngest to the oldest students. Grades vary from 1 (excellent, sehr gut) to 5 (resp. 6) (insufficient, nicht genügend). In the final classes of German Gymnasium schools that prepare for university studies, a point system is used with 15 points ...

  8. N-Ethylmaleimide - Wikipedia

    en.wikipedia.org/wiki/N-Ethylmaleimide

    N-Ethylmaleimide (NEM) is an organic compound that is derived from maleic acid. It contains the amide functional group, but more importantly it is an alkene that is reactive toward thiols and is commonly used to modify cysteine residues in proteins and peptides. [2]

  9. Gutenberg–Richter law - Wikipedia

    en.wikipedia.org/wiki/Gutenberg–Richter_law

    Gutenberg–Richter law. Gutenberg–Richter law fitted to the aftershocks of the August 2016 Central Italy earthquake, during the Aug 22 - Sep 1 period. Notice that the linear fit fails at the upper and lower end, due to lack of registered events. Since the recording period is only 10 days, events of magnitude greater than 6 has not yet appeared.