ANISOTROPIC BEHAVIOR OF FRICTIONAL PERFORMANCE OF ALIGNED CARBON NANOTUBES/STYRENE BUTADIENE RUBBER COMPOSITES

Anisotropic behavior of frictional performance of aligned carbon nanotubes/styrene butadiene rubber composites

The oriented nanotubes reinforced styrene butadiene rubber (CNTs/SBR) composites were prepared by applying the mechanical shear induction method, and the laws of carbon tube content and orientation on the mechanical and tribological properties of the composite rubber materials were investigated.The mechanisms of these results were analyzed.The resu

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Breath holding for 20 s following extended expiration is a practical, effective and robust standard when measuring cerebrovascular reactivity in healthy adults using BOLD fMRI at 3 T

Background and Purpose: BOLD fMRI is becoming the preferred modality to study cerebrovascular reactivity.Amongst the vasoactive stimuli to induce it, breath holding is considered equal to other methods but both horse/bits cerebrovascular reserve measures and breath holding designs lack standardization.We have systematically considered whether breat

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