大孤山

因此进一步研究并改进陡帮开采技术在大孤山铁矿的应用具有重要的理论研究意义和实用价值。

Therefore it has more important significance to make further research in the sharp slope mining technology .

大型土壤动物种类、数量变化标志大孤山铁矿废弃地生态环境恢复与重建阶段先后；

Large soil animals are important sign for st ages of the reclamation of ecological environment of mine abandoned .

大孤山铁矿运输系统目前由铁路、汽车和胶带运输机等三类设备联合组成四种形式。

Today the transport system used in Dagushan iron Mine possesses four forms consisted of the rail , truck and belt conveyor .

经专家论证，在大孤山选矿厂二选车间进行了单系统工业试验，取得了理想选别指标，为技术改造设计提供了可靠的依据。

Its single system industrial test in No.2 workshop achieved ideal metallurgical performances , providing a reliable basis for the future technical transformation design .

通过鞍千矿业公司赤铁矿与大孤山选矿厂的铁精矿配比30∶70，从生产指标看能满足生产球团矿的要求。

The ore matching ratio of iron concentrate of30 ∶ 70 in Anqian mining company and Dagushan dressing plant can meet the demand of pellet production at each indicator .

然后联合层次分析法和多层次灰色评价法建立船舶溢油风险评价模型对大孤山实际进港油轮进行风险评价，并得到此油轮发生事故的概率大小，从而为船舶风险识别提供依据。

We established a shipping oil spill risk evaluation model that integrated analytic hierarchy process into multilevel gray evaluation method , then applied this model to the task of getting accident probability of this oil tanker and better identifying shipping risk .

成本主题的概念模型、逻辑模型和物理模型的建立，分析了大孤山选厂工艺制造流程及制造成本构成，设计了生产事实表与其他维度表组成的星型结构；

Establish the conceptual model , logical model and physical model of cost subject . The manufacturing process and the factors of the cost are analyzed . The star-like topology is designed including the production facts table and other dimensional tables ;