[Soil water reservoir properties of green belts in the central urban area of Shanghai, China].

Taking the typical parks and public green belts in the central urban area of Shanghai for examples, water reservoir storage of soils of different types and influencing factors were investigated based on field surveys. The results showed that the total reservoir capacity of soils of the green belts in the central urban area of Shanghai was relatively low. However, the whole green belts still accumulated a large amount of water, which reached up to 1.

[Analysis of clinical effects of percutaneous vertebroplasty and percutaneous kyphoplasty in treating osteoporotic vertebral compression fracture].

Objective: To explore the clinical outcomes of percutaneous vertebroplasty (PVP) and percutaneous kyphoplasty (PKP) in treating osteoporotic vertebral compression fracture (OVCF).

Methods: From January 2007 to February 2010, the data of 40 patients with osteoporotic vertebral compression fracture underwent treatment were retrospectively analyzed. Of them,20 patients were treated with PVP (PVP group), there were 8 males and 12 females with an average age of (66.