Results 241 to 250 of about 86,492 (309)

Segmental distribution and influencing factors of thoracolumbar osteoporotic vertebral compression fracture. [PDF]

open access: yesJ Orthop Surg Res
Zheng X   +9 more
europepmc   +1 more source

Reactivation mechanism of natural fractures by hydraulic fracturing in naturally fractured shale reservoirs

Journal of Natural Gas Science and Engineering, 2015
Abstract Hydraulic fracturing technique has been commonly used in the development of shale reservoir aiming to produce from complex network of fractures. One of the key parameters that affects the hydraulic fracture complexity is the natural fracture in the shale reservoir.
Wan Cheng
exaly   +4 more sources

On the nature of stress fractures

The American Journal of Sports Medicine, 1978
It is felt that stress fractures are caused by excessive, repetitive muscle forces acting across the affected bone. These fractures should be suspected in participants of athletic endeavors who present with a history of persistent, focal, activity-related pain regardless of their stage of physical conditioning.
C L, Stanitski   +2 more
openaire   +2 more sources

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