开采

The backfilling methods with refuse were beneficial to improving mining rate of resource and prolonging mine life.

提出了3种矸石充填开采对提高资源采出率、延长矿井服务年限的重大意义及推广应用价值。

The status of research of mining and beneficiation technologies for iron ore resources in Anshan is analyzed.

介绍了鞍山地区铁矿资源情况，分析了鞍山地区铁矿石资源开采的综合技术和选矿技术的研究情况，对鞍山地区铁矿资源利用提出建议。

Because the bischofite,it′s called for the Laolu, resulted from the developmemt of the potash ore in the first mine area of the Qarhan saline lake haven′t been disposed and used retionaly,the grade of the potash ore deposit were redused.

察尔汗盐湖首采区钾矿床开发利用所产生的水氯镁石——俗称&老卤&，没有合理的排放和开发，使矿床KCl品位降低，其造成的危害是一个长久持续的过程，解决矿床开采过程中造成的矿床老化问题的根本途径是如何将老卤合理开发利用。

Dwarves digging at the Gol'Bolar Quarry unleash a tribe of Rockjaw Troggs from their subterranean den.

矮人在古博拉采石场开采，释放出地下洞穴的石鄂穴居人。

On the base of the grade model of the No.100 ore-body, the mineral models of cassiterite, boulangerite, iroblende, arsenopyrite, pyrite and FeS1-x have been established.

从稳定选矿工艺，提高选矿技术经济指标的角度进行多方案的技术经济对比，选择最优矿体和最佳块段组合的开采方案，实现市场？

My company has 10 years experience in production and processing of lime, with lime mining from the calcined to the processing of the entire production process, to ensure the provision of quality products.

我公司有10年的生产加工石灰经验，拥有从石灰开采到煅烧到加工的整个的生产流程，能保证提供优质的产品。

The town of Cardona for example, is the site of one of the earliest salt mines in Europe and an impressive medieval castle.

其中的小镇卡度那，是欧洲最早开采盐矿的地区之一，并留有雄伟且令人印象深刻的中世纪城堡建筑。

Some of the oldest Cassiterite mines, such as those in Cornwall , England have been worked since 2000 BC and are now exhausted.

一些年代最古老的锡石矿，如英格兰的康沃尔矿等，在公元前2000年就已被开采，到现在已资源殆尽。

However, dueing to fisher of protected areas, tourism industry developed rapidly, the farmers around the village engaged mainly in farming production, Chagan Lake and the surrounding area is rich in reserves of oil and natural gas resources underground, Jilin Oilfield started mining oil and other human interference in the 1980s, ecological environment of Chagan Lake Nature Reserve degradated obviously.

但由十保护区的生产以渔业为主，旅游业发展较快，周围村屯的农民主要从事种植业生产，加之查干湖及周边地区地下蕴藏着丰富的石油和天然气资源，吉林油田在上世纪八十年代开始开采石油等人为活动的干扰，使查干湖自然保护区生态环境明显退化。

There is about 3000 years'productive history in Chaka Salt Lake.

茶卡盐湖，已有3000多年的开采史。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。