An improved method for preparing gravimetric standard gas mixtures of helium-4 in nitrogen /

LDR 01077cam a2200325 a 4500
001 005950859
003 MiAaHDL
005 20150218000000.0
006 m d
007 cr bn ---auaua
008 900607s1990 dcua f000 0 eng
010 ‡a90002297
029 1 ‡aAU@ ‡b000007390428
035 ‡a(MiU)005950859
035 ‡asdr-miu005950859
035 ‡a(OCoLC)21909428
040 ‡aDLC ‡cDLC ‡dGPO ‡dBTCTA ‡dBOMRI
049 ‡aBMRA
074 ‡a637-A (MF)
086 0 ‡aI 28.23
100 1 ‡aBibawy, Nabil A.
245 1 3 ‡aAn improved method for preparing gravimetric standard gas mixtures of helium-4 in nitrogen / ‡cby Nabil A. Bibawy and David E. Emerson.
260 ‡a[Washington, D.C.] : ‡bUnited States Dept. of the Interior, Bureau of Mines, ‡c1990.
300 ‡a7 p. : ‡bill. ; ‡c28 cm.
490 0 ‡aReport of investigations / United States. Bureau of Mines ; ‡v9312
504 ‡aIncludes bibliographical references (p. 7).
538 ‡aMode of access: Internet.
650 0 ‡aNitrogen.
650 0 ‡aHelium.
650 0 ‡aMixing.
650 0 ‡aGases.
700 1 ‡aEmerson, David E.
CID ‡a005950859
DAT 0 ‡a20150218153001.0 ‡b20150218000000.0
DAT 1 ‡a20150219090554.0 ‡b2019-01-07T19:39:09Z
DAT 2 ‡a2019-01-07T19:00:03Z
CAT ‡aSDR-MIU ‡dEX LIBRIS - ALEPH ‡lloader.pl-003-020
FMT ‡aBK
HOL ‡0sdr-miu005950859 ‡aMiU ‡bSDR ‡cGWLA ‡pmdp.39015078475251 ‡sMIU ‡1005950859
974 ‡bMIU ‡cGWLA ‡d20190107 ‡sgoogle ‡umdp.39015078475251 ‡y1990 ‡rpd ‡qbib ‡tUS fed doc