The Contents of iron and aluminum oxides in MUfu mountainsoil clays were determined by selective dissolution technique.
用化学选择溶提法，测定了幕阜山不同海拔高度土壤及剖面不同层次的粘粒中铁铝氧化物的含量。
2
Of course, you can only use the mountainsoil nowadays. "only the mountain soils are safe for pigs, most other soil is now too polluted."
这一切又都那么经济，当然，现在只能用山上的土壤才安全，因为大多数土壤现在已经被过分污染了。
3
The distribution configuration of middle-low mountainsoil quality mainly depends on the variations between land use and cover, and human activities is the main factor that enhances the variations.