14:02 Mar 29, 2004 |
English to French translations [PRO] Medical - Medical: Instruments / Laser system | |||||||
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| Selected response from: Iolanta Vlaykova Paneva Canada Local time: 04:49 | ||||||
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Summary of answers provided | ||||
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4 +1 | "simmer" |
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3 | fonctionnement |
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simmer fonctionnement Explanation: - -------------------------------------------------- Note added at 16 mins (2004-03-29 14:19:50 GMT) -------------------------------------------------- the pseudosimmer mode, the discharge is off for most of the relatively long interval between pulses. This saves most of the power that would be used by keeping the lamp in continuous simmer operation. Then the simmer mode is turned on shortly (100 microseconds or so) before the main pulse will occur. This mode of operation has all the advantages of simmer mode operation. It is usually found in small, lightweight laser systems. -------------------------------------------------- Note added at 17 mins (2004-03-29 14:20:19 GMT) -------------------------------------------------- http://www.google.ca/search?q=cache:pob3EhWHwwIJ:repairfaq.e... -------------------------------------------------- Note added at 20 mins (2004-03-29 14:23:41 GMT) -------------------------------------------------- méthode d\'exploitation -------------------------------------------------- Note added at 21 mins (2004-03-29 14:24:39 GMT) -------------------------------------------------- Many pulsed solid-state laser systems incorporate driving circuits known as \"simmer mode\" or \"pseudosimmer mode\" circuits. These circuits maintain a steady-state partial ionization of the lamp during the time the lamp is not flashing. This is done by establishing and maintaining a low-current DC arc between the lamp electrodes. These circuits offer many operational advantages. (71) The simmer method of operation is used in applications where the pulse-repetition rate exceeds 100 Hz. At high rates, the flashlamp does not have time to return completely to its nonconducting state between pulses. It will not recover its ability to hold off the applied voltage before the next pulses. The energy-storage capacitor will not be able to be recharged. Its charge would be dissipated through the flashlamp, which is still in a conducting state. A series switch (SCR, high-voltage FET, and so on) in the energy-storage circuit is used to isolate the capacitor voltage from the flashlamp. -------------------------------------------------- Note added at 23 mins (2004-03-29 14:26:47 GMT) -------------------------------------------------- driving circuit driving circuits known as \"simmer mode\" français driving circuit circuit conducteur n. m. -------------------------------------------------- Note added at 24 mins (2004-03-29 14:27:18 GMT) -------------------------------------------------- circuit conducteur driving circuit driving circuits known as \"simmer mode\" français driving circuit circuit conducteur n. m. |
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simmer "simmer" Explanation: Je laisserais en français: en mode "simmer", (expliquant entre parenthèses (mode d'attente/stand by (!)/ préparation à l'ionisation...) Pre-discharge of the excitation flashlamp has been effectively applied to solid state and dye lasers in order to stabilize and increase their laser output. This technique is known as a simmer discharge or simmer mode. Many pulsed solid-state laser systems incorporate driving circuits known as "simmer mode" or "pseudosimmer mode" circuits. These circuits maintain a steady-state partial ionization of the lamp during the time the lamp is not flashing. This is done by establishing and maintaining a low-current DC arc between the lamp electrodes. These circuits offer many operational advantages. Reference: http://wwwsoc.nii.ac.jp/lsj/abstract/2000/V28No1_50.html Reference: http://repairfaq.ece.drexel.edu/sam/CORD/leot/course04_mod04... |
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