The effect of rare earth metals cerium, lanthanum and yttrium on chemical composition, structure and properties of electroless Co B alloy coating was studied.
Phosphogypsum is a waste by-product of the phosphate fertilizer industry that has relatively high concentrations of some U decay-series radionuclides such as 22
Natural organic matter (NOM) is an important ingredient in soil which can improve physical, chemical, and biological properties of soils and nutrient supplies.
With increasing use of coal, the growing impact on the environment from potentially hazardous trace elements becomes a great concern. Southwestern Guizhou, Chin
A stacked ocean carbon isotope (δ 13C) record of 200 ka is established on the basis of planktonic foraminifer (Globigerinoides ruber) δ 13C data from 8 sites