Results 291 to 300 of about 637,118 (331)

Effect of Back-Tempering on the Wear and Corrosion Properties of Multiple-Pass Friction Stir Processed High-Speed Steel. [PDF]

open access: yesMaterials (Basel)
Liu Q   +10 more
europepmc   +1 more source

Surface Hardening of Zr-1.0Sn-1.0Nb-0.3Fe Alloy Induced by Laser Surface Remelting. [PDF]

open access: yesMaterials (Basel)
Ning Z   +6 more
europepmc   +1 more source

Hard to Swallow

New England Journal of Medicine, 2021
Hard to Swallow A previously healthy 20-year-old college student presented before the Covid-19 pandemic with a 3-day history of throat pain, malaise, cough, and chills.
Mary W Montgomery   +4 more
openaire   +3 more sources

Randomness is hard

Proceedings. Thirteenth Annual IEEE Conference on Computational Complexity (Formerly: Structure in Complexity Theory Conference) (Cat. No.98CB36247), 2000
Summary: We study the set of incompressible strings for various resource bounded versions of Kolmogorov complexity. The resource bounded versions of Kolmogorov complexity we study are polynomial time CD complexity defined by Sipser, the nondeterministic variant CND due to Buhrman and Fortnow, and the polynomial space bounded Kolmogorov complexity CS ...
Buhrman, H.M., Torenvliet, L.
openaire   +6 more sources

Hard Times [PDF]

open access: possibleSSRN Electronic Journal, 2011
We show that the stock market downturns of 2000–2002 and 2007–2009 have very different proximate causes. The early 2000s saw a large increase in the discount rates applied to profits by rational investors, while the late 2000s saw a decrease in rational expectations of future profits.
Campbell, John   +2 more
openaire   +3 more sources

The Hardness of Hard Treatment [PDF]

open access: possible, 1998
Abstract In February, 1996, Rosemary West was convicted of ten murders of young women, including a daughter and stepdaughter. The British public were shocked by the gruesome details as they gradually unfolded. West (whose co-defendant husband committed suicide in custody) was sentenced to life imprisonment on each count.
openaire   +1 more source

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