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Hace 1 día · They are easily identified by their geniculate (elbowed) antennae and the distinctive node-like structure that forms their slender waists. Ants form colonies that range in size from a few dozen predatory individuals living in small natural cavities to highly organised colonies that may occupy large territories and consist of millions ...
Hace 1 día · Antennae may be clubbed, threadlike, angled, shaped like a string of beads, comb-like (either on one side or both, bipectinate), or toothed. The physical variation of antennae is important for the identification of many beetle groups.
Hace 2 días · Front view of a modified ' π ' type antenna tuner, with interior partially exposed.. An antenna tuner is a passive electronic device inserted between a radio transmitter and its antenna.Its purpose is to optimize power transfer by matching the impedance of the radio to the signal impedance on the feedline to the antenna.. Various alternate names are used for this device; English language ...
Hace 17 horas · The point at the center could be the neutron star remnant of the exploded star. On the right are the colliding ‘Antennae’ galaxies, which form a gigantic structure about 30,000 light years across.
Hace 2 días · We generally consider spherical coordinates as the ideal antenna is supposed to radiate in a spherically symmetrical pattern. However antennae in practice are not omni directional but have a radiation maximum along one particular direction.
Hace 5 días · Steel is cheaper than aluminum. When a part needs to be thick and sturdy, you’ll want steel. It adds more weight than aluminum but it’s also much less costly. Most parts of an antenna do nothing but direct the signal where it needs to be and those parts can be made of steel. As for plastic, it’s both light and inexpensive.
Hace 3 días · Its upper wings are short and have a leathery texture, and they protect the hindwings, which are delicate and gauzy. The antennae are long, delicate, and beaded. Like most other insects, the earwig has six legs. Its abdomen is segmented, and its mouthparts evolved to bite and chew.
