نتایج جستجو برای: straining
تعداد نتایج: 1639 فیلتر نتایج به سال:
Chaotic orientational dynamics of sheared nematic polymers is documented in laboratory experiments and predicted by Doi-Hess kinetic theory for infinitely thin rods. We address robustness of rheochaos when simple shear is modified by a planar straining flow, and the macromolecules have finite aspect ratio. We predict persistence of sheared chaotic response up to a threshold straining flow stren...
M\ost heart murmurs diminish in intensity during straining. Those derived from the right heart and pulmonary circulation regain intensity immediately after straining. Those from the left heart and systemic circulation recover only after an appreciable delay. The murmurs of patent ductus arteriosue and of mitral stenosis each showed a modified, but characteristic response. These murmur changes w...
Since most commonly used sample preparation methods for ice dielectric studies involve ra ther heavy mechanical straining, t h e e f f ec t s of straining were studied and compared with more strain-free sample preparation methods.
Il contributo analizza la figura di recente emersione del cd. danno da straining. L’autore indaga sui confini della fattispecie, fonte giurisprudenziale. Si concentra poi sulla prova e determinazione subito. fenomeno è inquadrato nell’ambito generale obbligo sicurezza gravante sul datore lavoro, quale si sottolinea prospettiva prevenzionistica. il rischio derive nell’accertamento straining in t...
A conceptual model for colloid transport is developed that accounts for colloid attachment straining, and exclusion. Colloid attachment and detachment is modeled using first-order rate expressions, whereas straining is described using an irreversible first-order straining term that is depth dependent. Exclusion is modeled by adjusting transport parameters for colloid-accessible pore space. Fitt...
This study investigates the significance of the expression and dynamics of podoplanin in mechanostress and mineralization in cultured murine osteoblasts. Podoplanin increased in osteoblasts subjected to straining in non-mineralization medium, suggesting that the mechanostress alone is a podoplanin induction factor. In osteoblasts subjected to vertical elongation straining in the mineralization ...
detailed microstructural evolutions of twip steel during tensile straining: in situ sem observations
microstructural evolutions of twinning induced plasticity (twip) steel during tensile straining wereinvestigated by in situ sem observations. the results indicated that slip lines and mechanical twins aswell as surface relief were increased with increasing strain, resulting in a stepped surface. additionally,these deformation mechanisms could change the shape of each grain via shear and rotatio...
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