Results 301 to 310 of about 539,810 (351)

High‐Temperature Nanoindentation of Metals: Assessing Thermal Drift, Frame Compliance, and Chemical Composition Effects on the Reported Mechanical Properties

Advanced Engineering Materials, EarlyView.
Do not let thermal drift and instrument artifacts deceive high‐temperature nanoindentation results. We compare classical Oliver–Pharr and automatic image recognition analyses across steels and a Ni alloy to quantify these effects. Accounting for artifacts reveals systematic softening with temperature, while Cr and Ni additions boost resistance ...
Velislava Yonkova, Steffen Brinckmann, Ruth Schwaiger   +2 more
wiley   +1 more source

Quality assessment of different root canal obturation techniques in 3D printed teeth with varied ısthmus sizes: a phantom study. [PDF]

Eur Oral Res
Aygörmez S, Keleş A, Keskin C.
europepmc   +1 more source

Geotechnical evaluation of aeolian sand and gravel soil as subgrade backfill materials in desert lake regions. [PDF]

Sci Rep
Hu J, Mao J, Huang W, Yuan B.
europepmc   +1 more source

The invisible subsoil compaction risk under no-till farming. [PDF]

Proc Natl Acad Sci U S A
Keller T, Bickel S, Or D.
europepmc   +1 more source

Bacillus subtilis ParB C-terminal lysine residues are essential for dimerization and in vivo function, indicating their roles in DNA sliding. [PDF]

Nucleic Acids Res
Aleshintsev A, Way LE, Lai NK, Guerra B, Dorantes P, Serwaa LA, Anulao S, Molina M, Wang X, Kim H.   +9 more
europepmc   +1 more source

Engineering properties and microscopic mechanism of phosphogypsum-rubber composite cemented soil. [PDF]

Sci Rep
Ma Q, Li Y, Shu H, Song Z, Wu J.
europepmc   +1 more source

Evolution mechanism of deformation and failure energy in composite rock mass with structural planes of different inclinations. [PDF]

Sci Rep
Yuan Z, Zhang D, Dong X.
europepmc   +1 more source

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Compact groups of compact galaxies. V

Astrophysics, 1976
The lists of compact groups of compact galaxies are continued with a third list, which contains 54 new objects of this class discovered at Byurakan on the Palomar Sky Survey Charts. Searches were made in the +60, +66, +72/sup 0/ zones of the charts, which were completely surveyed except for regions near the galactic equator.
F. W. Baier, H. Tiersch
openaire   +1 more source

Locally compact, ω1-compact spaces

Annals of Pure and Applied Logic
An $ω_1$-compact space is a space in which every closed discrete subspace is countable. We give various general conditions under which a locally compact, $ω_1$-compact space is $σ$-countably compact, i.e., the union of countably many countably compact spaces. These conditions involve very elementary properties.
Nyikos, Peter, Zdomskyy, Lyubomyr
openaire   +1 more source