Results 211 to 220 of about 64,494 (247)
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Complete genome sequence of a novel virulent phage ST31 infecting Escherichia coli H21

Archives of Virology, 2018
More and more virulent phages that are fundamental materials for phage therapy have been isolated, characterized and categorized on GenBank. Phage ST31 infecting Escherichia coli H21 was isolated from wastewater and sequenced using an Illumina Hiseq system.
Honghui, Liu   +3 more
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Structure of the amino acid-containing capsular polysaccharide from Escherichia coli O8:K49:H21

Carbohydrate Research, 1990
The structure of the capsular antigen of E. coli K49 and the oligosaccharides derived from it by partial acid hydrolysis were studied by 1D- and 2D-n.m.r. spectroscopy, g.l.c.-c.i.-mass spectrometry, and methylation analysis. The K49 polysaccharide consists of the repeating unit----4)-beta-D-GlcpA-(1----6)-beta-D-Galp-(1----6)-beta-D-Glcp- (1----3 ...
Beynon, L., Xxxxxxxx, Richards, J.
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Transition of Mild Wear to Severe Wear in Oxidative Wear of H21 Steel

Tribology Letters, 2008
Under atmospheric conditions at 400 °C, we studied the wear mechanism of H21 steel with different tempering states as a function of normal load. Typical oxidative wear was identified by X-ray diffraction patterns with predominant tribo-oxides of Fe3O4 and Fe2O3.
S. Q. Wang   +4 more
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A molecular marker associated with the H21 Hessian fly resistance gene in wheat

Molecular Breeding, 1997
Near-isogenic lines in conjunction with bulked segregant analysis were used to identify a DNA marker in wheat (Triticum aestivum L.) associated with the H21 gene conferring resistance to biotype L of Hessian fly [Mayetiola destructor (Say)] larvae. Near-isogenic lines were developed by backcross introgression BC3F3:4 (‘Coker 797’ * 4 / ‘Hamlet’) and ...
Y. W. Seo, J. W. Johnson, R. L. Jarret
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Structural elucidation of the O-antigenic polysaccharide from enterohemorrhagic (EHEC) Escherichia coli O48:H21

Carbohydrate Research, 2006
The structure of the antigenic O-polysaccharide (O-PS) of the lipopolysaccharide (LPS) produced by the enterohemorrhagic strain of Escherichia coli O48:H21 (EHEC) has been elucidated. The O-PS obtained by mild acid hydrolysis of the LPS had [alpha]D +95 (water) and was composed of L-rhamnose (L-Rha), D-galactose (D-Gal), 2-amino-2-deoxy-D-glucose (D ...
Leann L, MacLean   +2 more
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Cementite Precipitation of a H21 Tool Steel after Hot Compression and Double Temper

Advanced Materials Research, 2014
The cementite precipitation behavior in the martensite and banite of the H21 tool steel under high temperature axisymmetric compression test and double temper was investigated. The main purpose on this work is to develop a better understanding regarding the transformation mechanism of bainite and martensite in a H21 tool steel. The selected deformation
Meilinda Nurbanasari   +2 more
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[Coagulometer H21: an automatic apparatus for coagulation study (author's transl)].

Nouvelle revue francaise d'hematologie, 1978
We describe and present a new automatic device to measure the clotting time of a plasma plus reagent mixture by recording the time of transformation : solution to gel. The apparatus is able to perform 50 tests without manual help. Indeed it automatically carries out:--the dispatching of the tested plasma,--the dispatching of the various reagents,--the ...
J, Guimbretière, D, Boudart
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Talaesthanes A–C, three new meroterpenoids from the endophytic fungus Talaromyces primulinus H21

Fitoterapia
Three new meroterpenoids (1-3) and ten known ones (4-13) were obtained from the endophytic fungus Talaromyces primulinus H21 isolated from the plant of Euphorbia sikkimensis. Their structures including their absolute configurations were elucidated by extensive analysis of spectroscopic data such as HR-ESI-MS, 1D/2D NMR, and X-ray diffraction of single ...
Jia-Qian, Chen   +7 more
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MPEC 2024-H21 : 2024 GQ6

The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements. They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
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MPEC 2025-H21 : 2024 WJ4

The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements. They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
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