Results 91 to 100 of about 772,809 (315)
Improvement of upsetting process of four-beam workpieces based on computerized and physical modeling [PDF]
The method of upsetting of large ingots has been investigated in this work. The proposed method consists in upsetting of profiled workpieces with concave faces. An angle of the concave faces was 150°. A relative depth of the concave faces has been varied
Markov Oleg E. +5 more
doaj
Embryo‐like structures (stembryos) are an innovative tool, but they are hindered by experimental variability and limited developmental potential. DNA methylation is crucial for mammalian development, but its status in stembryo models is poorly characterized.
Sara Canil +4 more
wiley +1 more source
Development of an object-oriented finite element program: application to metal-forming and impact simulations [PDF]
During the last 50 years, the development of better numerical methods and more powerful computers has been a major enterprise for the scientific community.
R. Rakotomalala +5 more
core +1 more source
Parameter sensitivity of metal forming processes
The flow formulation for metal forming analysis based on a rigid-viscoplastic material model is considered. Specifically, sensitivity evaluation techniques are discussed for different solution variables with respect to variations in parameters entering ...
Horacio Javier Antunez, Michal Kleiber
doaj
pH‐mediated activation of the lysosomal arginine sensor SLC38A9
Cells monitor nutrient levels via the lysosomal transporter SLC38A9 to activate the mechanistic target of rapamycin complex 1 (mTORC1). This study reveals that SLC38A9 function is regulated by pH. We identified histidine 544 as a critical pH sensor that undergoes conformational changes to control amino acid efflux from lysosomes; therefore, it ...
Xuelang Mu, Ampon Sae Her, Tamir Gonen
wiley +1 more source
Recent Achievements in Numerical Simulation in Sheet Metal Forming Processes
Purpose of this paper: During the recent 10-15 years, Computer Aided Process Planning and Die Design evolved as one of the most important engineering tools in sheet metal forming, particularly in the automotive industry.
Tisza, Miklós
core
Ascidian Ciona larvae initially show strong clockwise tail twisting, which is largely corrected during development. However, a small residual twist remains. This study shows that organized helical myofibrils in tail muscles mechanically stabilize this residual asymmetry, preventing complete restoration of bilateral symmetry and revealing how embryos ...
Yuki S. Kogure +3 more
wiley +1 more source
Process reliability and reproducibility of pneumomechanical and electrohydraulic forming processes [PDF]
A sufficiently high process reliability and reproducibility is mandatory if a high-speed forming process is to be used in industrial production.
Djakow, E., Homberg, W., Damerow, O.
core +1 more source
Constrained design of sheet forming processes
New forming machines are typically incremental improvements on existing designs. Frequently tedious simulation and testing are required for insights on those possible improvements.
Loukaides Evripides G. +1 more
doaj +1 more source
Septin 9 polybasic domains couple phosphoinositide‐rich membrane binding to centrosome positioning, Golgi organization, and microtubule acetylation to control epithelial polarity. Their loss disrupts this axis, causing centrosome mispositioning, Golgi fragmentation, reduced microtubule acetylation, and polarity inversion via upregulation of the ...
Ting ting Cai +4 more
wiley +1 more source

