Results 1 to 10 of about 126,452 (304)

Multi-valued, singular stochastic evolution inclusions

open access: yesJournal de Mathématiques Pures et Appliquées, 2014
We provide an abstract variational existence and uniqueness result for multi-valued, monotone, non-coercive stochastic evolution inclusions in Hilbert spaces with general additive and Wiener multiplicative noise. As examples we discuss certain singular diffusion equations such as the stochastic 1-Laplacian evolution (total variation flow) in all space ...
Gess, Benjamin, Tölle, Jonas M.
openaire   +4 more sources

Non-degenerate implicit evolution inclusions

open access: yesElectronic Journal of Differential Equations, 2000
We prove the existence of solutions for the implicit evolution inclusion $$ ( B(t) u( t) ) ' + A(t,u(t)) i f(t) $$ under conditions that are easy to verify on the set valued operator $A( t,cdot)$ and that do not imply the operator is monotone.
Kenneth Kuttler
doaj   +2 more sources

Evolution of inclusion populations in Al-killed steel during the steelmaking process

open access: yesJournal of Materials Research and Technology, 2022
The increasing demand for higher steel inclusion cleanliness has motivated control over the formation and evolution of inclusions during the production process.
Manuel Castro-Román   +5 more
doaj   +1 more source

New finding of Toxorhina (Ceratocheilus) limoniid fly in Eocene Baltic amber and the biogeographical context of the genus

open access: yesScientific Reports, 2022
Based on new fossil materials, a new species Toxorhina (Ceratocheilus) christelius sp. nov. has been described herein with complete documentation of drawings and photographs.
Iwona Kania-Kłosok   +2 more
doaj   +1 more source

Phylogeny and biogeography of the enigmatic ghost lineage Cylindrotomidae (Diptera, Nematocera)

open access: yesScientific Reports, 2021
Ghost lineages have always challenged the understanding of organism evolution. They participate in misinterpretations in phylogenetic, clade dating, biogeographic, and paleoecologic studies.
Iwona Kania-Kłosok   +4 more
doaj   +1 more source

Transient evolution of non-metallic inclusions in molten high aluminum and high manganese steel contacting with slag and crucible: experimental investigation and FactSage macros modeling

open access: yesJournal of Materials Research and Technology, 2023
In this work, high temperature experiments of high Al molten steel contacting with crucible and slag were performed to investigate the effect of crucible–slag–steel reaction on transient evolution of inclusions in the high Al molten steel.
Jinlong Wang   +2 more
doaj   +1 more source

Characterization of the morphological evolution of MnS inclusions in free-cutting steel during heating

open access: yesJournal of Materials Research and Technology, 2022
The size, morphology and distribution of MnS inclusions in the sulfur bearing free-cutting steel are the key factors to determine the performance of the free-cutting steel. It is thus important to accurately characterize and control the morphology of the
Yi Zhao   +6 more
doaj   +1 more source

Hydrocarbon Accumulation Model Controlled by Overpressure Evolution in the Kelasu Thrust Belt of the Kuqa Depression, NW China

open access: yesLithosphere, 2022
The Kuqa Depression is the most representative overpressured hydrocarbon accumulation area in western China. The early rapid subsidence since 5 Ma and the strong uplift in the late period have led to a complicated evolution history of the overpressure ...
Yilin Liang   +4 more
doaj   +1 more source

Study on the thermodynamic stability and evolution of inclusions in Al–Ti deoxidized steel

open access: yesHigh Temperature Materials and Processes, 2022
To investigate the thermodynamic stability and the evolution process of inclusions in the Al–Ti deoxidized steels, both laboratory experiments and thermodynamic calculations were conducted in the present work.
Wang Jun   +6 more
doaj   +1 more source

Evolution of nonmetallic inclusions during production of 20CrMo alloy steel

open access: yes工程科学学报, 2021
20CrMo alloy steel is commonly used to produce high-pressure pipes, gears, automobile parts, etc., and there are stringent requirements for its yield strength, tensile strength, and impact energy.
Wei-jian WANG   +3 more
doaj   +1 more source

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