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  2. List of EIA standards - Wikipedia

    en.wikipedia.org/wiki/List_of_EIA_standards

    Signal standard for non-broadcast high resolution monochrome video. EIA-343A Formerly RS-343 A. Video signal standard for high resolution monochrome CCTV. Based on EIA-343. EIA-364-38 TP-38D Cable Pull-Out Test Procedure for Electrical Connectors. EIA-370-B Designation System for Semiconductor Devices.

  3. 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 ...

  4. Academic grading in the United States - Wikipedia

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

    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 generally vary from ...

  5. Phase I environmental site assessment - Wikipedia

    en.wikipedia.org/wiki/Phase_I_environmental_site...

    The most recent standard is "Standards and Practices for All Appropriate Inquiries" 40 Code of Federal Regulations, Section 312 [1] which drew heavily from ASTM E1527-13, which is the ASTM Standard for conducting 'All Appropriate Inquiry' (AAI) for the environmental assessment of a real property. Previous guidances regarding the ASTM E1527 ...

  6. SAE International - Wikipedia

    en.wikipedia.org/wiki/SAE_International

    SAE International is a global professional association and standards organization based in Warrendale, Pennsylvania, United States.Formerly the Society of Automotive Engineers, the organization adopted its current name in 2006 to reflect both its international membership and the increased scope of its activities beyond automotive engineering and the automotive industry to include aerospace and ...

  7. European Standard - Wikipedia

    en.wikipedia.org/wiki/European_Standard

    European Standards are a key component of the Single European Market. They are crucial in facilitating trade and have high visibility among manufacturers inside and outside the European territory. A standard represents a model specification, a technical solution against which a market can trade. European Standards must be transposed into a ...

  8. European Cooperation for Space Standardization - Wikipedia

    en.wikipedia.org/wiki/European_Cooperation_for...

    ecss.nl. The European Cooperation for Space Standardization (ECSS) is a collaboration between the European Space Agency (ESA), the European space industry represented by Eurospace, and several space agencies, to develop and maintain a coherent, single set of user-friendly standards for use in all European space activities. [1]

  9. Technology readiness level - Wikipedia

    en.wikipedia.org/wiki/Technology_readiness_level

    Technology readiness levels (TRLs) are a method for estimating the maturity of technologies during the acquisition phase of a program. TRLs enable consistent and uniform discussions of technical maturity across different types of technology. [1] TRL is determined during a technology readiness assessment (TRA) that examines program concepts ...