| 单词 | lu | 
| 释义 | Lun.2 Chemistry.   The element lutetium. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > lutetium > 			[noun]		 Lu1907 lutetium1907 cassiopeium1908 1907    tr.  G. Urbain in  Chem. News 6 Dec. 271/2  				I propose lutecium, Lu [Fr. lutécium, Lu], derived from the old name of Paris, for the name of this element. 1939    Physical Rev. 56 21  				The half-life of the natural radioactivity of lutecium..is..7·3±2 × 1010 years for Lu176, which probably is the active isotope. 1992    Jrnl. Amer. Chem. Soc. 114 281/2  				The variation..proceeding from the lanthanide with the largest eight-coordinate ionic radius, La43..to smallest, Lu (0·977 Å), spans over 3 orders of magnitude. 2009    Jrnl. Alloys & Compounds 481 3/2  				The agreement..from the specific heat analysis for Lu trihydride, is really striking. This is a new entry (OED Third Edition, December 2013; most recently modified version published online March 2022). > as lemmasLU   LU  n. 		(also lu)	 Australian, (of a building) lock-up. ΘΚΠ society > inhabiting and dwelling > inhabited place > a building > types of building generally > 			[adjective]		 > other specific standing1624 walk-up1928 LU1969 unlisted1970 mature1975 smart1984 1969    Sydney Morning Herald 24 May 37/2 		(advt.)	  				Kitchen, laundry and a L.U. Garage. 1986    Courier-Mail 		(Brisbane)	 9 Aug. 55/3 		(advt.)	  				New Markets.., 120 stalls, l.u. premises. < as lemmas | 
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