Often called runner's knee, chondromalacia patella is a common condition causing pain in the kneecap. The patella is covered with a layer of smooth cartilage, which normally glides across the knee when the joint is bent.ymptoms of chondromalacia include knee tenderness and pain that increases after sitting for a prolonged period of time, using stairs or getting out of a chair. There may also be a grating or grinding sensation when the knee is straightened.
Fluxus is an international avant-garde group or collective that was founded and flourished in the1960s but still continues today.
An at first sight curious feature of the diffusion flux J (j ï® i) is its minimum for spheres of identical size (exercise 3): 2() ; jijcr J ji R R ï¦ï°ï´ï®ï½ ï½ (7.14) In other words, for a given volume fraction, polydispersity always accelerates encounters due to Brownian motion in comparison to monodisperse spheres.