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  2. List of EIA standards - Wikipedia

    en.wikipedia.org/wiki/List_of_EIA_standards

    500–599. EIA-535 Fixed Tantalum Capacitors. TIA-568 cable wiring standard for structured cabling (Commercial Building Telecommunications Cabling Standard) EIA/TIA-569 Commercial Building Standard for Telecommunications Pathways and Spaces. EIA/TIA-570 Residential and Light Commercial Telecommunications Wiring Standard.

  3. IEEE Standards Association - Wikipedia

    en.wikipedia.org/wiki/IEEE_Standards_Association

    The Institute of Electrical and Electronics Engineers Standards Association (IEEE SA) is an operating unit within IEEE that develops global standards in a broad range of industries, including: power and energy, artificial intelligence systems, internet of things, consumer technology and consumer electronics, biomedical and health care, learning technology, information technology and robotics ...

  4. E/A ratio - Wikipedia

    en.wikipedia.org/wiki/E/A_ratio

    E/A ratio. The E/A ratio is a marker of the function of the left ventricle of the heart. It represents the ratio of peak velocity blood flow from left ventricular relaxation in early diastole (the E wave) to peak velocity flow in late diastole caused by atrial contraction (the A wave). [1] It is calculated using Doppler echocardiography, an ...

  5. Academic grading in the United States - Wikipedia

    en.wikipedia.org/wiki/Academic_grading_in_the...

    Papua New Guinea. v. t. e. In the United States, academic grading commonly takes on the form of five, six or seven letter grades. Traditionally, the grades are A+, A, A−, B+, B, B−, C+, C, C−, D+, D, D− and F, with A+ being the highest and F being lowest. In some cases, grades can also be numerical. Numeric-to-letter-grade conversions ...

  6. Steel grades - Wikipedia

    en.wikipedia.org/wiki/Steel_grades

    European standard steel grades EN 10027-1 steel grade designation system. European standard steel grade names fall into two categories: Steel specified by purpose of use and mechanical properties. Steel specified by chemical composition. The inclusion of a letter 'G' before the code indicates the steel is specified in the form of a casting.

  7. List of standardized tests in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_standardized_tests...

    WorkKeys. California Achievement Test. ITBS – Iowa Test of Basic Skills [2] SAT – formerly Scholastic Aptitude Test. SAT Subject Tests. CLT – Classic Learning Test. Former English Language Proficiency Test – ELPT. PSAT/NMSQT – Preliminary SAT/National Merit Scholarship Qualifying Test.

  8. E series of preferred numbers - Wikipedia

    en.wikipedia.org/wiki/E_series_of_preferred_numbers

    The E series is a system of preferred numbers (also called preferred values) derived for use in electronic components. It consists of the E3, E6, E12, E24, E48, E96 and E192 series, [1] where the number after the 'E' designates the quantity of logarithmic value "steps" per decade. Although it is theoretically possible to produce components of ...

  9. Corporate average fuel economy - Wikipedia

    en.wikipedia.org/wiki/Corporate_average_fuel_economy

    The program covered model year 2012 to model year 2016 and ultimately required an average fuel economy standard of 35.5 miles per US gallon (6.63 L/100 km; 42.6 mpg ‑imp) in 2016 (of 39 miles per gallon for cars and 30 mpg for trucks), a jump from the 2009 average for all vehicles of 25 miles per gallon.