词汇 | 线圈 |
释义 | 线圈 🗓 The coils are then housed in an outer rim that encloses the rotating blades. Coil counts don’t matter unless that is the only difference between two beds. But now you have another loops of wire that is intertwined with it. The coil type and steel gauge are much more important. The energy within this circuit oscillates rapidly between an electric field in the capacitor and a magnetic field in the coil. The team's set-up consisted of an inducting coil connected to a capacitor. Look behind the fridge to see if coils have become caked with dust, dirt or pet hair, which can interfere with performance. The sample was then exposed to a magnetic field applied parallel to the direction of flow of blood via a coil around the edge of the test tube. The burnt coil should be renewed. His invention works much like a typical linear generator, in which a magnet is moved up and down inside coils of wire, inducing electrical currents in the process. They showed that the electric field is confined near the ceiling, leaving only the magnetic field to transfer the energy to a smaller receiving loop a few metres away. They plopped each turtle into a small pool surrounded by magnetic coils. NEW USES Silk creations by Tufts University researchers include a coil made of silk substrate and gold that can help tell when food goes bad. Through the coils, the secondary device created a magnetic field that can wirelessly charge devices, as long as the two were within several meters. Problems arose between oscillator coils and the transistors themselves. The turbine is then installed in an external housing, containing the coils. The team is looking at other materials to decrease coil size and boost efficiency. One of the most promising layouts, according to the researchers, is to have a simple loop of wire connected to the mains and stuck to the ceiling. A direct- drive mechanism replaces gears, and permanent magnets replace the electromagnets that require starter brushes, coils and power from the grid every time they fire up. In the most recent prototypes, a thick coil of copper wire is inside the first component, which is anchored to the seafloor. At the beginning of the20th century, Nikola Tesla proposed using huge coils to transmit electricity through the troposphere to power homes. The EATR uses a robotic arm to gather and prepare vegetation, which it feeds through a shredder into a centrifugal combustion chamber, where it is ignited and then heats a series of coils. These coils are normally used to select slices for creating three-dimensional images, but the magnetic fields they create can also be used to exert a force on a small magnetic object inside a scanner. Since the coil is inductive, compensation may be required using series or parallel capacitors to reduce the working voltages and currents in the supply circuitry. Such machines use a bank of capacitors to discharge a current rapidly through a coil. In time, says Giler, the power coils could be embedded in the ceiling or floor, or near a desk, and could automatically start to charge a wide variety of gadgets as soon as they are in range. |
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