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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. Phase I environmental site assessment - Wikipedia

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

    Standards for performing a Phase I site assessment have been promulgated by the US EPA and are based in part on ASTM in Standard E1527-13. [2] If a site is considered contaminated, a Phase II environmental site assessment may be conducted, ASTM test E1903, a more detailed investigation involving chemical analysis for hazardous substances and/or ...

  5. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    Many corporations have such standards, which define some terms and symbols specific to them; on the national and international level, ASME standard Y14.38 is one of the standards. Australia utilises the Technical Drawing standards AS1100.101 (General Principals), AS1100-201 (Mechanical Engineering Drawing) and AS1100-301 (Structural Engineering ...

  6. Technology readiness level - Wikipedia

    en.wikipedia.org/wiki/Technology_readiness_level

    e. 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 ...

  7. 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 ...

  8. IEEE 802.16 - Wikipedia

    en.wikipedia.org/wiki/IEEE_802.16

    IEEE 802.16 is a series of wireless broadband standards written by the Institute of Electrical and Electronics Engineers (IEEE). The IEEE Standards Board established a working group in 1999 to develop standards for broadband for wireless metropolitan area networks. The Workgroup is a unit of the IEEE 802 local area network and metropolitan area ...

  9. Scientific notation - Wikipedia

    en.wikipedia.org/wiki/Scientific_notation

    Scientific notation is a way of expressing numbers that are too large or too small to be conveniently written in decimal form, since to do so would require writing out an inconveniently long string of digits. It may be referred to as scientific form or standard index form, or standard form in the United Kingdom.