Based on occurance form and oxidation rate of ore in different ore bodies or blocks,the mining method and stoping technology is selected and designed accordingly so as to reduce the delution loss,stripping ratio and operating cost,and result in better economic benefit.

Through the experiment,the adaptability of introduction and cultivation of Curcuma alismatifolia were observed in Fuzhou,and the effects of the different harvest way of cut flower on the yield and quality of new bulbs were studied.

Research and application of bolt supporting technology at roadway open-off cut in fully-mechanized mining face;