surface mine造句
1. For instance, with tar sands and oil shales, surface mining is the most economical method of recovery.
2. The anomalous indicatrices of surface mine, hidden deposit and dispersed mineralization are different too.
3. In order to excavate East Fushun surface mine efficiently, optimum selection of reasonable mining technology was did according to geological condition of East Fushun open-pit mine.
4. When steep slope-wall is used in surface mine, the road of truck-communication inner dumping can be set in the middle of pit by backfill.
5. A computer-aided cartography system for surface mine survey is proposed.
6. The waste - dump of surface mine is one of main environment damage sources.
7. At present, the technique of coal-bed methane surface mine and gas drainage was mature, so it was feasible for coal-bed methane development and utilization in Sichuan Province.
8. Based on the "surface mine long term planing model" the stepwise mining limit optimization model has been set up for inclined ore bed.
9. Based on the operation practice of Huolinhe Surface Mine, the author evaluates the effect of waste-dump on environment and approaches the reclamation mode of waste-dump with knowledge.
10. The blasting boulder yield is an important quality indicators in the step long-hole blasting of surface mine.
11. The system has been a good application on the Weijiabao Surface Mine which indicated that the system had the characteristic of practicality, easy operation and stabilization.
12. In order to appraise the west-slope stability at the Huidong Surface Mine, a considerable number of rock mechanics experiments both in laboratory and situ have been taken.
13. The application of intelligent truck dispatch system is an effective method to reduce the cost of production in surface mine.
14. Computer- controlled truck dispatching system has been developed from the stage of theoretical research to the stage of practical using in surface mine of our country.
15. To combine research subject, this dispatching method is detailedly opened up and studied in Huolinhe surface mine, at the same time, the truck-dispatching decision project is given as well.
16. To recover the remainder coal in the side slope walls of surface mine by use of underground coal winning method can increase coal recovery rate and mine economic effect.
17. Based on measurement and analysis of blasting vibration of surface mine and underground mine, all-round and scientific criteria of blasting safety are suggested.
18. Slope stability is the key factor of safety in production in surface mine.
19. The research and exploration on truck real-time dispatch optimizing decision and safety assurance pre-warning system in surface mine is carried on.
20. The research work is carried on and combined with Liaoning province Department of Education fund item "the truck automation real-time dispatch decision support system in surface mine".