Evaluation of Property Difference between Traction Oil and Traction Grease

An evaluation of extraoral combined high-pull traction and cervical traction to the maxilla.

The effects of extraoral combined high-pull traction and cervical traction of known duration (mean, 122 days) and magnitude (2.5 to 3 pounds total per side) were studied by means of serial lateral cephalometric head films of thirty patients. The lateral cephalometric head films used were taken at three different times: before the extraoral force was applied, after the prescribed period of conti...

Traction measurements in the thermal region of the traction curve

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Traction and Efficiency Performance of Ball Type CVTs

This paper concerns the design and analysis, of a ball type continuously variable transmission, (B-CVT). This B-CVT has a simple kinematic structure, and same as a toroidal CVT, transmits power by friction on the contact points between input and output discs, that are connected to each other by balls. After, a brief introduction of our B-CVT structure, the performa...

Evaluation and comparison of traction performance of two common tractors in iran

Traction, Contraction … Attraction

Historically, at first it was believed that contraction forces were directly applied by the newly synthesized collagen at the site of the wound. Later it was shown that cells mediate this process. Fibroblasts are considered to have the capital role of mediating contraction that appears to be a coordinated multistage process in both the intracellular and extracellular levels. The fibrous and str...