Fr.: rendement quantique
In photochemistry, the number of defined events which occur per photon absorbed by the system.
1) bâzdeh (#); 2) vâdehi, vâdâd
Fr.: 1) rendement; 2) limite d'élasticité
1a) Chemistry: The quantity of product resulting from a chemical
reaction or process, generally expressed as a percentage of the amount
that is theoretically obtainable.
M.E.; O.E. geldan, gieldan "to pay;" cf. O.S. geldan "to be worth," M.Du. ghelden, Du. gelden "to cost, be worth," O.H.G. geltan, Ger. gelten "to be worth."
1) Bâzdeh "yield, return," from bâz- "anew, again,"
→ re- + deh present stem of dâdan
"to give" (Mid.Pers. dâdan "togive, create;" O.Pers./Av. dā-
"to give, grant, yield," dadāiti "he gives;"
Skt. dadáti "he gives;" Gk. tithenai "to place, put, set,"
didomi "I give;" L. dare "to give, offer," facere
"to do, to make;" Rus. delat' "to do;" O.H.G. tuon, Ger. tun,
O.E. don "to do;" PIE base *dhe- "to put, to do").
noqte-ye vâdahi, ~ vâdâd
Fr.: limite d'élasticite
The point at which the → strain caused by a → stress on a material begins to increase without further increase in the stress. This point marks the end of → elastic deformation and the beginning of → plastic deformation. Same as → elastic limit.