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单词 yag
释义

yagn.

Brit. /jaɡ/, U.S. /jæɡ/
Forms: Also YAG.
Etymology: Acronym < the initial letters of yttrium aluminium garnet.
A synthetic crystal of yttrium aluminium garnet, used in certain lasers and as a simulated diamond in jewellery.
ΘΚΠ
society > occupation and work > materials > raw material > gem or precious stone > artificial stone > [noun] > other artificial stones
YIG1959
yag1964
1964 Q. Rep. Bell Telephone Lab. No. 2 ( ad 439–628). 3 The splitting of the 7Fj..manifolds of the trivalent Europium and Terbium ions..has been used to calculate crystal field parameters for Eu and Tb in YAG.
1964 Appl. Physics Lett. V. 201/2 Predictions of the laser behavior were tested on singly and doubly doped YAG crystals.
1971 Daily Tel. 22 Nov. 13 Have you got a yag yet? They are the latest form of simulated diamonds. Almost as hard as a sapphire, which is almost as hard as a diamond, they are ‘grown’ in America, brought over here to be faceted, set in 18-carat gold in Hatton Garden and sold as Diamonairs.
1977 Jrnl. Royal Soc. Arts 125 779/2 The YAG laser..is used routinely..for trimming resistors.
1979 Nature 6 Dec. 655/3 Yttrium aluminium garnet (YAG) and cubic zirconia are both used as diamond simulants.
1984 National Geographic Mar. 341/2 A flash lamp can excite atoms of neodymium, a rare earth, in a rod of YAG.
This entry has not yet been fully updated (first published 1986; most recently modified version published online December 2021).

> as lemmas

YAG
YAG n. see yag n.
extracted from Yn.
<
n.1964
as lemmas
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