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electrode    音标拼音: [ɪl'ɛktrod]
n. 电极

电极

electrode
电极

electrode
电极

electrode
n 1: a conductor used to make electrical contact with some part
of a circuit


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  • What is an electrode? - Electrical Engineering Stack Exchange
    It uses two electrodes to detect the presence of water Electrostimulation therapy uses electrodes (often with adhesive) A Van de Graaff generator is an electrode A ground rod is an electrode (as is the cold water pipe and building steel) It could be argued that an antenna is an electrode (although no one calls them that)
  • amplifier - How does a driven right leg work? - Electrical Engineering . . .
    Connecting the electrode directly to the common is undesirable for two reasons 1) If the circuit is not isolated, dangerous currents could flow through the third electrode 2) A poor electrode contact may present up to 100 k \$\Omega\$ of resistance between the patient and the common The most common and effective use of the third electrode is
  • Why cyclic voltammetry requires three electrodes?
    Normally, you want the applied potential difference between working and reference electrode not to change When you use two electrode setup, as chemical reaction occurs, there is some current (faradaic) passing through reference electrode which when combined with reference electrode resistance changes the potential at which reference electrode stays, thus changing the potential differ
  • Effect of the placement of ground electrode on ECG
    For the recording on the top column, the ground electrode is placed on the leg, whereas for the bottom recording, the ground electrode is placed on the palm beside the positive electrode The recording with GND on the leg has a higher dynamic range (which might be good) but more high-frequency noise (which is bad) than the recording with GND on
  • How do I connect a female EEG electrode to a breadboard?
    The DIN 42802 connector itself isn't easily obtained, but you can buy "EEG Electrode Extension Wires" with a plug on one end and a socket on the other Just cut off the socket female end, strip and tin the wire end, and insert it in your breadboard You could crimp on a Dupont connector instead if you have the contacts and tooling
  • batteries - Electrical neutrality between electrodes of galvanic cell . . .
    So, back to the electrode system In order to respect conservation of charge, and avoid acquiring net charge, every negative charge that leaves the electrode through the wire must be balanced out by a positive charge leaving the electrode into the electrolyte solution
  • Why does current flow direction matter in welding?
    When the electrode is negative, the current flows from electrode to the workpiece When the electrode is positive, current flows from workpiece to electrode It is said that in DCEN, 1 3 of the arc heat is produced in the electrode, and 2 3 at the workpiece Why is there such a difference? Why does the current direction matter here?
  • Does electrical current flow from positive to negative or negative to . . .
    The answers you were given and what you were taught in school are all correct When electric current was first discovered people didn't know which way to choose and they assumed that it flows from positive to negative
  • So which direction do electrons really flow?
    As I understand it, electrons (which are negatively charged) flow towards positive As a convention, we say that current flows from positive to negative Is this to say that what you connect the
  • why is a GROUND electrode needed with a referential amplifier?
    Interesting to know that it doesn't have to be I'm guessing that #1 - shielding is the reason in this case (signal levels are typically 20-50uv) then as the ground electrode is always attached to the patient too! (Often very close to the reference electrode for EEG ) \$\endgroup\$ –





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