Results 121 to 130 of about 2,489,716 (309)

Limit-Forms of Time

open access: yesCritical Hermeneutics
To establish what time is, as in Plato’s iconic definition (“moving image of eternity”, Timaeus 37d), one often has to emphasize its relation to what time is not. Time seems to be defined dialectically, in terms of what is not eternal, not extra-temporal, etc.
openaire   +3 more sources

Bifurcation analysis on formability coupled with microstructural evolution of dual-phase steels subjected to various stress states

open access: yesNext Materials
Forming limit serves as a critical metric in evaluating the formability of advanced sheet metals. Unlike the plane stress state in conventional sheet processing technologies, compressive normal stress and even more intricate stress states play a ...
Renhao Wu   +7 more
doaj   +1 more source

Research on Al-alloy sheet forming formability during warm/hot sheet hydroforming based on elliptical warm bulging test

open access: yesAIP Advances, 2018
An elliptical warm/hot sheet bulging test under different temperatures and pressure rates was carried out to predict Al-alloy sheet forming limit during warm/hot sheet hydroforming.
Gaoshen Cai   +4 more
doaj   +1 more source

ABL kinase‐dependent phosphorylation of SH proteins promotes their direct interaction with CRK family SH2 domains

open access: yesFEBS Letters, EarlyView.
CT10 regulator of kinase (CRK) and CRK‐Like (CRKL) are signaling adaptors driving cell adhesion, motility, differentiation, and proliferation. SH2‐domain containing (SH) proteins are enriched in YXXP motifs which when phosphorylated create preferred binding sites for CRK family SH2 domains.
Phoebe M. Cousens   +8 more
wiley   +1 more source

Analysis of forming limits in metal forming processes

open access: yes, 2011
Forming limit plays a very important role in metal forming processes since it can be used to predict whether a blank will fracture or not. This paper examines the influence on forming limit of blank and fractured thickness.
Li, Ching-Lun; Huang, Y.-M.; Tsai, Y.-W.; Li, C.-L.   +1 more
core   +1 more source

STUDY THE EFFECTS OF PRESTRAINS IN UNIAXIAL TENSION ON THE FORMING LIMIT DIAGRAM OF ALUMINUM ALLOY SHEETS(2024 T3)

open access: yesTikrit Journal of Engineering Sciences, 2015
          The strain path for sheet metal may be changed during forming , this may be affect the forming limit curve (FLC) . In this work the FLC before and after prestraining was determined for aluminum alloy (2024 T3) to study the effect of this type ...
Waleed J. Ali, Thaer F. Ahmed
doaj  

Reconstructing enzyme evolution by protein engineering

open access: yesFEBS Letters, EarlyView.
Natural enzyme evolution can be retraced by protein engineering methods such as directed evolution, rational design, and ancestral sequence reconstruction. These approaches reveal how enzymes emerged from ligand‐binding scaffolds, developed varying substrate preferences, formed oligomeric complexes, adapted to environmental changes, and evolved novel ...
Lukas Drexler   +2 more
wiley   +1 more source

Investigation into the Hot-Forming Limit for 22MnB5 Hot-Forming Steel under a Stamping Process

open access: yesMetals
Hot-forming technology for 22MnB5 hot-forming steel (22MnB5 HF steel) plates has been widely used in the automobile manufacturing industry in recent years.
Wenwu He   +6 more
doaj   +1 more source

Decoding the dynamic extracellular matrix in cancer—3D models and bioscaffolds rewire the rules of tumor progression

open access: yesFEBS Letters, EarlyView.
Cancer progression is regulated by the dynamic matrix code of the tumor microenvironment, which influences cellular behavior and disease development. Importantly, matrix remodeling in three‐dimensional cancer models more accurately reflects in vivo conditions compared to conventional two‐dimensional systems.
Sylvia Mangani   +3 more
wiley   +1 more source

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