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  2. DB Class E 50 - Wikipedia

    en.wikipedia.org/wiki/DB_Class_E_50

    2003. Preserved. 2. The Class E 50 is an electric heavy freight locomotive built for German Federal Railways between 1957 and 1973. It belongs to the Einheits-Elektrolokomotiven (standardised electric locomotives) program and was built as a heavy freight mover to be used on the increasingly electrified main lines of the DB, where they were set ...

  3. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "A transmitter-receiver associated with a fixed navigational mark which, when triggered by a radar, automatically returns a distinctive signal which can appear on the display of the ...

  4. Common ethanol fuel mixtures - Wikipedia

    en.wikipedia.org/wiki/Common_ethanol_fuel_mixtures

    Ethanol fuel mixtures have "E" numbers which describe the percentage of ethanol fuel in the mixture by volume, for example, E85 is 85% anhydrous ethanol and 15% gasoline. Low-ethanol blends are typically from E5 to E25, although internationally the most common use of the term refers to the E10 blend. Blends of E10 or less are used in more than ...

  5. 1951 USAF resolution test chart - Wikipedia

    en.wikipedia.org/.../1951_USAF_resolution_test_chart

    A 1951 USAF resolution test chart is a microscopic optical resolution test device originally defined by the U.S. Air Force MIL-STD-150A standard of 1951. The design provides numerous small target shapes exhibiting a stepped assortment of precise spatial frequency specimens. It is widely used in optical engineering laboratory work to analyze and ...

  6. proposes a trident classification model to examine pragmatic failures in interpretation (See Chart 1). Chart 1. Pragmatic failure: A trident classification model Compared with Thomas’s research findings, this study has identified a number of pragmatic failures in

  7. EIA 1956 resolution chart - Wikipedia

    en.wikipedia.org/wiki/EIA_1956_resolution_chart

    The EIA 1956 Resolution Chart [1] [2] (until 1975 called RETMA Resolution Chart 1956) is a test card originally designed in 1956 to be used with black and white analogue TV systems, [3] [4] based on the previous (and very similar) RMA 1946 Resolution Chart. [5] [6] It consisted of a printed chart filmed by a TV camera or monoscope to be ...

  8. urney to learn how to read. Regrettably, some children face significant challenges in this area. In this single-case multiple baseline study, we utilized mnemonic pict. res to facilitate the memorization of the grapheme-phoneme correspondence of ten target letters. Our aim was to e. power four struggling first-grade students to quickly and ...

  9. Race to the Top Guidance and FAQ Page 4 A-4. What are the eligibility requirements for the Race to the Top program? States must meet the following requirements in order to be eligible to receive funds under