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  2. List of Chengdu J-7 variants - Wikipedia

    en.wikipedia.org/wiki/List_of_Chengdu_J-7_variants

    The gun, weapon pylons and fire control systems were deleted. 12 delivered in 1994, another 12 delivered between 1999 and 2000, all 24 are equipped with HTY-6 ejection seats. After reequipping the August 1st aerobatic team with the more advanced J-7GB, all 24 J-7EBs were rearmed and returned to active service.

  3. Chengdu J-7 - Wikipedia

    en.wikipedia.org/wiki/Chengdu_J-7

    The Chengdu J-7 (Chinese: 歼-7; third generation export version F-7; NATO reporting name: Fishcan [1]) is a Chinese fighter aircraft.It is a license-built version of the Soviet Mikoyan-Gurevich MiG-21, and thus shares many similarities with that aircraft. [2]

  4. Vapor-compression evaporation - Wikipedia

    en.wikipedia.org/wiki/Vapor-compression_evaporation

    Where Q d is the steam quantity at ejector delivery, Q s at ejector suction and Q m is the motive steam quantity. For this reason, a thermocompression evaporator often features a vapor condenser , due to the possible excess of steam necessary for the compression if compared with the steam required to evaporate the solution.

  5. Chengdu Aircraft Industry Group - Wikipedia

    en.wikipedia.org/wiki/Chengdu_Aircraft_Industry...

    Chengdu Aerospace designed and now produces the Chengdu J-10 light-weight multi-role fighter and Chengdu J-20 fifth-generation jet fighter, that are considered to be two of the most advanced weapons in China's inventory, as well as the CAC/PAC FC-1 Xiaolong very light-weight multi-role fighter that is produced in cooperation with Pakistan.

  6. Water injection (engine) - Wikipedia

    en.wikipedia.org/wiki/Water_injection_(engine)

    Many water injection systems use a mixture of water and alcohol (often close to 50/50), with trace amounts of water-soluble oil. The water provides the primary cooling effect due to its great density and high heat absorption properties. The alcohol is combustible, and also serves as an antifreeze for the water.

  7. List of wastewater treatment technologies - Wikipedia

    en.wikipedia.org/wiki/List_of_wastewater...

    Sedimentation (water treatment) Septic tank; Septic tank conversion [2] Sequencing batch reactor; Sewage treatment; Skimmer (machine) Slow sand filter; Stabilization pond; Supercritical water oxidation (SCWO) Thermal hydrolysis; Treatment pond; Trickle-bed reactor; Trickling filter; Ultrafiltration; Ultraviolet disinfection; Upflow anaerobic ...