نتایج جستجو برای: elastic recovery
تعداد نتایج: 270210 فیلتر نتایج به سال:
The present work discusses four types of new experiments that can improve the current theoretical description of nonlinear rheology of entangled polymers. First, a slowly imposed strain is found to result in nonmonotonic evolution of the state of chain entanglement during quiescent relaxation, consistent with the idea of chain disentanglement after step shear. Second, the stress relaxation upon...
The temperature-dependent indent recovery of polymer materials was measured by atomic force microscopy (AFM). A numerical model based on the Boussinesq equations was developed to simulate the viscoelastic indent recovery. Viscoelastic solution of stress and displacement is obtained by using the corresponding principle between elasticity and viscoelasticity. The numerical solution provides resul...
Background. Treatment options for lateral ankle sprains continue to evolve as advances are made in terms of techniques and materials. Objectives. This study was performed to evaluate clinical outcomes and satisfaction between two immobilization materials, semi-rigid cast, and elastic bandages. Methods. This study was a non-randomized controlled study. Fifty-four patients have undergone immobi...
Elastic energy is critical for amplifying muscle power during the propulsive phase of anuran jumping. In this study, we use toads (Bufo marinus) to address whether elastic recoil is also involved after take-off to help flex the limbs before landing. The potential for such spring-like behaviour stems from the unusually flexed configuration of a toad's hindlimbs in a relaxed state. Manual extensi...
Ti-5Sn-xMo (x = 0, 1, 3, 5, 7.5, 10, 12.5, 15, 17.5, and 20 wt %) alloys were designed and prepared for application as implant materials with superior mechanical properties. The results demonstrated that the crystal structure and mechanical properties of Ti-5Sn-xMo alloys are highly affected by their Mo content. The as-cast microstructures of Ti-5Sn-xMo alloys transformed in the sequence of pha...
Adsorption of bioparticles to affinity surfaces involves polyvalent interactions, complicating greatly the recovery of the adsorbed material. A unique system for the efficient binding and release of different cells and particles is described. Affinity-bound bioparticles and synthetic particles are detached from the macroporous hydrogel matrix, a so-called cryogel, when the cryogel undergoes ela...
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