[Spatial Distribution Study and Pollution Assessment of Pb in Soils in the Xijiang River Drainage of Guangxi].

To obtain data for the accumulation of Pb and its risk in soils in the Xijiang River drainage of Guangxi, 2594 samples were collected from nonferrous metal mining soils, farmland soils (paddy soils and dryland soils), and the background soils in the drainage area. Geostatistical analysis combined with GIS was used to study the soil spatial distribution characteristics and pollution distribution of the soil Pb content. The results showed that the Pb background value of the soil was 51.

[Characteristics of Heavy Metal Contents in Human Hairs of Mine Contaminated Areas in Nandan County].

Nandan county is usually called "land of nonferrous metals". In order to discuss the impact of mining activities on the health of inhabitants in Nandan county, 200 human hair samples were collected from 4 villages (Liuzhai is a uncontaminated contrast areas, Chehe, Dachang and Zhanglao are contaminated areas) of Nandan and analyzed for contents of As, Sb, Cd, Pb, Cu and Zn. The results showed that the average contents of As, Sb, Cd and Pb were 1.

Advances in computed tomography-based evaluation of coronary arteries: a review of coronary artery imaging with multidetector spiral computed tomography.

Noninvasive imaging of coronary arteries with computed tomography (CT) has become increasingly accurate with the technological advances in multidetector CT (MDCT). The authors review the utility of MDCT in quantitative and qualitative evaluations of coronary stenosis, plaques, bypass grafts, and stents. Recent studies demonstrate a high accuracy of MDCT in locating significant coronary stenosis, which may allow CT angiography to become an important screening tool for coronary artery disease in selected patient populations.