Results 21 to 30 of about 763,744 (316)

Experimental investigation of hydrodynamics of melt layer during laser cutting of steel [PDF]

open access: yes, 2011
In laser cutting process, understanding of hydrodynamics of melt layer is significant, because it is an important factor which controls the final quality. In this work, we observed hydrodynamics of melt layer on kerf front in the case of laser cutting of
Remy Fabbro   +3 more
core   +1 more source

Numerical and analytical modeling of orthogonal cutting : The link between local variables and global contact characteristics [PDF]

open access: yes, 2011
The response of the tool–chip interface is characterized in the orthogonal cutting process by numerical and analytical means and compared to experimental results. We study the link between local parameters (chip temperature, sliding friction coefficient,
Miguélez Garrido, María Henar   +7 more
core   +1 more source

Is, Ought, and Cut

open access: yesJournal of Philosophical Logic, 2023
AbstractIn this paper we use proof-theoretic methods, specifically sequent calculi, admissibility of cut within them and the resultant subformula property, to examine a range of philosophically-motivated deontic logics. We show that for all of those logics it is a (meta)theorem that the Special Hume Thesis holds, namely that no purely normative ...
Norbert Gratzl, Edi Pavlovic
openaire   +1 more source

Liquid and supercritical CO2 as an organic solvent in Hadean seafloor hydrothermal systems: implications for prebiotic chemical evolution

open access: yesProgress in Earth and Planetary Science, 2022
Prebiotic chemical evolution and the emergence of life in the seafloor hydrothermal systems of Hadean Earth is among the most plausible and popular hypotheses for the origin of earthly life.
Takazo Shibuya, Ken Takai
doaj   +1 more source

Experimental study of the brittle–ductile transition in hot cutting of SG iron specimens [PDF]

open access: yes, 2013
http://www.sciencedirect.com/science/article/pii/S0924013612002579The present paper investigates the brittle-ductile transition (BDT) of the primary shear zone during cutting of spheroidal graphite (SG) iron in the austenitization temperature range ...
EL MANSORI, Mohamed   +2 more
core   +1 more source

Cutting Forces Modeling in Finish Turning of Inconel 718 Alloy with Round Inserts [PDF]

open access: yes, 2011
In turning, the applied forces have to be known as accurately as possible, especially in the case of difficult-to-cut materials for aircraft workpieces finishing operations.
Gérard Poulachon   +7 more
core   +1 more source

Thioester synthesis through geoelectrochemical CO2 fixation on Ni sulfides

open access: yesCommunications Chemistry, 2021
Thioesters are often suggested to be key intermediates in primordial metabolism, but prebiotic CO2 fixation routes to thioesters remain elusive. Here, the authors show nickel sulfide, partially reduced to Ni(0) with realistic geoelectric potentials ...
Norio Kitadai   +8 more
doaj   +1 more source

To cut or not to cut … [PDF]

open access: yesBritish Journal of General Practice, 2010
There are not many people who would admit that, in their field, there should be cuts. I don't think I am brave or clever enough to be the odd one out. So here it is: I am against cuts in health care (the term ‘health care’, in my view, does not include management and administration — in these areas I would cut generously). Why? Because money is already
openaire   +1 more source

The In-Group Code Lexis

open access: yesHermes, 2002
This article provides a developmental description of the lexis used by an academic discourse community in formation. Casual conversations of six post-graduate students, native speakers of English, were recorded in the Applied Linguistics common room in ...
Joan Cutting
doaj   +1 more source

Sequential cocatalyst decoration on BaTaO2N towards highly-active Z-scheme water splitting

open access: yesNature Communications, 2021
Activation of narrow-bandgap photocatalysts holds key to applicable solar-to-hydrogen energy conversion. Here, the authors demonstrate effective sequential cocatalyst decoration for such narrow-bandgap photocatalysts to realise highly-efficient hydrogen ...
Zheng Wang   +14 more
doaj   +1 more source

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