Skin and hair development is regulated by complex programs of gene activation, silencing, microRNA-dependent modulation expression to maintain normal skin follicle (HF) development, homeostasis, cycling. Here, we show that miR-148a, through its targets, plays an important role in regulating homeostasis HF-cycling. RNA protein analysis miR-148a targets were analysed using a combination vitro viv...

This work aims to study the effect of cold forming on texture evolution during manufacturing rectangular hollow sections. Conventional TMCP steel and a direct-quenched in 420 MPa strength level are compared. The was characterized at centerline (S=0) both surfaces (S=0.8) for base material, four flat side one corner samples section. results show that sides steels have minor intensity ∼{554}<225>...

Spiral-driven instabilities may drive gas inflow to enhance central star formation in disk galaxies. We investigate this hypothesis using the Sloan Digital Sky Survey (SDSS) a sample of 2779 nearby unbarred star-forming main sequence spiral The strength arms is quantified by their average Fourier amplitude relative axisymmetric disk. properties 1–3 kpc region were derived from SDSS spectra. sho...

Abstract We study the present-day connection between galaxy morphology and angular momentum using D ark S age semi-analytic model of formation. For a given stellar mass in range 10 –10 12 M ⊙ , predicts that galaxies with more prominent disks exhibit higher disk specific ( j stellar,disk ). However, when we include gas disk, bulge-dominated have highest total total,disk attribute this to large ...

I investigate the process of converting gas into stars within the framework of a standard cosmological model. By examining the set of objects grown in a combined N-body plus smoothed particle hydrodynamics simulation with those obtained in similar models where some of the cold, dense gas was replaced by collisionless “star” particles I show that it is possible to make this substitution without ...

the accumulative roll bonding (arb) as a severe plastic deformation (spd) procedure aimed at enhancing the mechanical properties of metals and alloys. in the present study, a new slab method is proposed for estimating the forming stress field for cold extrusion of metals cross the alumina interlayer powder particles by accumulative roll bonding process. plastic deformation behavior of the metal...