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  2. List of free electronics circuit simulators - Wikipedia

    en.wikipedia.org/wiki/List_of_free_electronics...

    List of free analog and digital electronic circuit simulators, available for Windows, macOS, Linux, and comparing against UC Berkeley SPICE. The following table is split into two groups based on whether it has a graphical visual interface or not. The latter requires a separate program to provide that feature, such as Qucs-S, [1] Oregano, [2] or ...

  3. Electric catfish - Wikipedia

    en.wikipedia.org/wiki/Electric_catfish

    Electric catfish or Malapteruridae is a family of catfishes (order Siluriformes). This family includes two genera , Malapterurus and Paradoxoglanis , with 21 species . [ 1 ] Several species of this family have the ability to generate electricity , delivering a shock of up to 350 volts from its electric organ . [ 2 ]

  4. Component placement - Wikipedia

    en.wikipedia.org/wiki/Component_placement

    Component placement is an electronics manufacturing process that places electrical components precisely on printed circuit boards (PCBs) to create electrical interconnections between functional components and the interconnecting circuitry in the PCBs (leads-pads). The component leads must be accurately immersed in the solder paste previously ...

  5. Aquarium fish feeder - Wikipedia

    en.wikipedia.org/wiki/Aquarium_fish_feeder

    Aquarium fish feeder. An aquarium with a fish feeder. Aquarium fish feeders are electric or electronic devices that are designed to feed aquarium fish at regular intervals. They are often used to feed fish when the aquarist is on vacation or is too busy to maintain a regular feeding schedule. [1]

  6. Filter feeder - Wikipedia

    en.wikipedia.org/wiki/Filter_feeder

    Filter feeders can play an important role in condensing biomass and removing excess nutrients (such as nitrogen and phosphate) from the local waterbody, and are therefore considered water-cleaning ecosystem engineers. They are also important in bioaccumulation and, as a result, as indicator organisms. Filter feeders can be sessile, planktonic ...

  7. Loricariidae - Wikipedia

    en.wikipedia.org/wiki/Loricariidae

    Members of the family Loricariidae are commonly referred to as loricariids, suckermouth catfishes, armoured catfish, or suckermouth armoured catfish. [4] The name "plecostomus", and its shortened forms "pleco" and "plec", are used for many Loricariidae, since Plecostomus plecostomus (now called Hypostomus plecostomus) was one of the first loricariid species imported for the fish-keeping hobby.

  8. Ancistrus - Wikipedia

    en.wikipedia.org/wiki/Ancistrus

    Female Ancistrus sp. on a piece of cucumber. These fish are often kept by aquarists, as they are dutiful algae-eaters and smaller in adult size than the common plecos usually seen in pet shops. They reach up to 15 cm (5.9 in) in males, and 12 cm (4.7 in) in females. Their recommended temperature is 23–27 °C (73–81 °F).

  9. List of freshwater aquarium fish species - Wikipedia

    en.wikipedia.org/wiki/List_of_freshwater...

    Gulper catfish: Asterophysus batrachus: 25 cm (9.8 in) Midnight catfish: Auchenipterichthys coracoideus: 10 cm (3.9 in) Oil catfish: Duringlanis perugiae: 5 cm (2.0 in) Jaguar catfish: Liosomadoras oncinus: 17 cm (6.7 in) Tatia intermedia: 12 cm (4.7 in) Pygmy driftwood catfish: Trachelyichthys exilis: 8 cm (3.1 in) Trachelyopterus fisheri: 28 ...

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