[Objective]The study aimed to detect and assess metal ions in tea and soil of tea gardens in Mingshan County. [Method]Seven metals ( including Pb,Cr,Cu,Ca,Mn,Mg
Firstly,the status quo of Hulunbuir Grassland degradation was introduced,and then the main reasons for the degradation were discussed,such as overgrazing,excess
In order to disclose present situation and problem of classified collection of municipal solid waste in Wanghua District of Fushun and analyze its practicabilit