钛白副产硫酸亚铁的综合利用研究

以钛白副产硫酸亚铁、氯化钾和氨水为原料，采用硫酸钾铵法制取硫酸钾。实验结果表明，该工艺生产的产品，其质量达到ZBG-21006-89国家标准，且此工艺流程简单、操作方便、条件易控制，无二次污染。     

Spatial differentiation of the impact of transport accessibility on the multidimensional poverty of rural households in karst mountain areas

Environment, Development and Sustainability - Transportation facilities are crucial prerequisite for enhancing economic development. In karst mountain areas, poverty of peasant households is...