Results 101 to 110 of about 5,748,260 (338)

Modeling and Optimal Design of Machining-Induced Residual Stresses in Aluminium Alloys Using a Fast Hierarchical Multiobjective Optimization Algorithm [PDF]

, 2011
The residual stresses induced during shaping and machining play an important role in determining the integrity and durability of metal components. An important issue of producing safety critical components is to find the machining parameters that create ...
Christophe Pinna, Dieter G.E., George Panoutsos, John R. Yates, Luis de Leon, Mahdi Mahfouf, Qian Zhang, Richard J. Greene, Soufiene Boumaiza, Wang L.-X., Zhang Q.   +10 more
core   +1 more source

Time after time – circadian clocks through the lens of oscillator theory

FEBS Letters, EarlyView.
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo, Carolin Ector, Hanspeter Herzel   +2 more
wiley   +1 more source

Reduction of Potassium Supply Alters the Production and Quality Traits of Ipomoea batatas cv. BAU Sweetpotato-5 Tubers

Stresses
In Bangladesh, sweetpotato is the fourth most important source of carbohydrates behind rice, wheat, and potatoes. Potassium is vital for sweetpotato growth, boosting tuber size, sweetness, disease resistance, and yield quality, with deficiencies leading ...
Shaila Sharmin, Md. Nazmul Hasan Arfin, Abu Musa Md Main Uddin Tareque, Abdullah Al Kafi, Md. Shohidullah Miah, Md. Zakir Hossen, Md. Abdus Shabur Talukder, Arif Hasan Khan Robin   +7 more
doaj   +1 more source

Measuring wheel/rail contact stresses using ultrasound [PDF]

, 2004
The investigation of contact area and pressure distribution in a wheel/rail contact is essential information required in fatigue and wear calculations to determine design life, regrinding requirements, and maintenance schedules.
Bjorklund, S., Dwyer-Joyce, R.S., Lewis, R., Marhsall, M.B., Olofsson, O.   +4 more
core  

Radiating Collapse with Vanishing Weyl stresses

, 2004
In a recent approach in modelling a radiating relativistic star undergoing gravitational collapse the role of the Weyl stresses was emphasised. It is possible to generate a model which is physically reasonable by approximately solving the junction ...
Goswami R., M. GOVENDER, S. D. MAHARAJ
core   +1 more source

The newfound relationship between extrachromosomal DNAs and excised signal circles

FEBS Letters, EarlyView.
Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley   +1 more source

Dynamic Dysregulation of Ribosomal Protein Genes in Mouse Brain Stress Models

Stresses
Emphasizing their evolutionarily conserved role in stress adaptation mechanisms, ribosomal protein genes (RPGs) are observed to be downregulated in various stressors and across phyla.
Vandana Sharma, Rammohan Shukla
doaj   +1 more source

Quasiharmonic elastic constants corrected for deviatoric thermal stresses [PDF]

, 2008
The quasiharmonic approximation (QHA), in its simplest form also called the statically constrained (SC) QHA, has been shown to be a straightforward method to compute thermoelastic properties of crystals.
D. C. Wallace, J. F. Nye, João F. Justo, K. Hirose, M. J. P. Musgrave, N. Ross, N. Ross, O. L. Anderson, Pierre Carrier, Renata M. Wentzcovitch   +9 more
core   +1 more source

Conserved structural motifs in PAS, LOV, and CRY proteins regulate circadian rhythms and are therapeutic targets

FEBS Letters, EarlyView.
Cryptochrome and PAS/LOV proteins play intricate roles in circadian clocks where they act as both sensors and mediators of protein–protein interactions. Their ubiquitous presence in signaling networks has positioned them as targets for small‐molecule therapeutics. This review provides a structural introduction to these protein families.
Eric D. Brinckman, Anna E. Lester, Brian D. Zoltowski   +2 more
wiley   +1 more source

Oxidative Stress in the Pathogenesis of Neurodegenerative Diseases

Stresses
Neurodegenerative diseases are devastating conditions with a rising incidence and prevalence due to the aging of the population for which we currently do not have efficient therapies.
Maria-Carolina Jurcau, Anamaria Jurcau, Razvan-Gabriel Diaconu   +2 more
doaj   +1 more source