Results 231 to 240 of about 1,089,637 (294)

Time‐Dependent Oxidation and Scale Evolution of a Wrought Co/Ni‐Based Superalloy

Advanced Engineering Materials, EarlyView.
This study shows how a new wrought Co/Ni‐based superalloy resists oxidation at 800 ∘$^\circ$C. The oxide scale changes from rough, fast‐growing spinel to a dense, protective chromia–alumina layer. Atom probe analysis reveals tiny refractory‐rich bubbles at the interface that mark the transition to long‐term, diffusion‐controlled protection ...
Cameron Crabb, Zachary T. Kloenne, Samuel R. Rogers, Chi Hang Dominik Kwok, Mark C. Hardy, Michele S. Conroy, David Dye   +6 more
wiley   +1 more source

Positive perceptions of brown bears linked to long-term cohabitation in the Iberian Peninsula. [PDF]

Sci Rep
Severino P, Graça M, Negrões N, Barros T, Carvalho J, Ferreira E, Hartasánchez R, Malheiro B, Rosalino LM, Torres RT, Glikman JA.   +10 more
europepmc   +1 more source

Hydrogen‐Assisted Fracture of Iron‐Based Fe–Ni–Al Alloys

Advanced Engineering Materials, EarlyView.
Principal relations and fracture mechanisms of single‐phase and precipitate‐strengthened Fe–Ni–Al alloys subjected to prior electrochemical hydrogen charging are identified. The mechanisms of hydrogen effect on strength and microhardness are discussed, including hydrogen‐induced increase in microhardness and the role of hydrogen in fracture behavior ...
Nataliya Yadzhak, Olha Zvirko, Rostyslav Leshchak, Hryhoriy Nykyforchyn   +3 more
wiley   +1 more source

Dynamic omnivory shapes the functional role of large carnivores under global change. [PDF]

Nat Commun
Albrecht J, Bocherens H, Hobson KA, Drucker DG, Sergiel A, Swenson JE, Zedrosser A, Marciszak A, Iregren E, Drenzel L, Kyselý R, Lipecki G, Makowiecki D, Wagner J, Zwijacz-Kozica T, Fritz SA, Revilla E, Selva N.   +17 more
europepmc   +1 more source

Putative congenital bilateral lens anomaly in a free-ranging American black bear cub from North Carolina, USA. [PDF]

J Vet Diagn Invest
Stilz CR, Carmichael KP, Howerth EW, Barden C, Nemeth NM.   +4 more
europepmc   +1 more source

Captivity-driven microbiota reshaping: A cross-species analysis of divergent patterns in the gut microbiota of giant pandas (Ailuropoda melanoleuca), red pandas (Ailurus fulgens), and Asiatic black bears (Ursus thibetanus). [PDF]

PLoS One
Xu L, Hu Z, Zhang X, Zhang S, Li W, Wang M, Ning R, Guo W.   +7 more
europepmc   +1 more source

ESBL-Producing <i>E. coli</i> in Captive Black Bears: Molecular Characteristics and Risk of Dissemination. [PDF]

Vet Sci
Lei X, Che M, Zhou Y, Pan S, Yang X, Liu S, Laghari I, Wu M, Han R, Li X, Zhou L, Peng G, Liu H, Zhou Z, Zhang K, Zhong Z.   +15 more
europepmc   +1 more source

Not All Math Activities Are Equal in Terms of Gender Stereotypes. [PDF]

Sex Roles
Merrick M, White AD, Diekman AB, Fyfe ER.   +3 more
europepmc   +1 more source

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Bearing the Humans

Global Change Biology
Brown bears across Europe are responding to the human footprint, with space use and movement behaviour strongly influenced by limited habitat connectivity. While natural food availability and habitat suitability remain important for bears, growing human pressure is increasingly constraining their ecological role. The picture was drawn by Andrea Gazzola.
Andrea Corradini, Steffen Mumme, Francesca Cagnacci   +2 more
openaire   +4 more sources