Objective To understand the effects of water improvement to reduce fluoride of endemic fluorosis in Chenzhou. 目的了解郴州市地方性氟中毒改水降氟效果,以及改水设施的管理和使用情况。
The Testing Report on Fluoride and Arsenic Alteration after the Water Improvement(WI) in Xinjiang Miquan 新疆米泉市改水后水氟、水砷检测报告
Investment in the water improvement project in water-deficient areas totaled 31 billion yuan between 1993-99. 1993-1999年全国缺水地区改水累计投资达310亿元。
Over half of the water in the areas with medium and serious endemic fluorine disease has been improved. The water improvement measures in the areas with endemic arsenic disease have played roles in preventing the disease. 地氟病中、重病区的改水数量已超过半数,地砷病病区改水措施已发挥防病作用。
An Investigation of the Present Situation on the Drinking Water Fluoride and the Project of Water Improvement(WI) to Reduce Fluoride of Lu'an City 六安市居民饮用水水氟及改水工程现状调查研究