开采

Under this geological-evaluation model a computer evaluating program is made in Ziyuan and Lujing uranium ore -fields.

通过对硬岩型铀矿坑口堆浸法的工艺流程分析，总结出坑口堆浸成本由矿石开采费用、主要原材料费用等14项要素组成，并建立了地质经济评价模型。

It was the first, and one of the largest, diamond Pipes in the USSR.

据称，在该矿场处于开采运行时，一辆卡车从矿坑底部开到顶部需要两个小时的时间。

It was the first, and one of the largest, diamond Pipes in the USSR. It is now abandoned.

据称，在该矿场处于开采运行时，一辆卡车从矿坑底部开到顶部需要两个小时的时间。7。

Vedanta denies allegations that the planned mine would violate the rights of thousands of people

韦丹塔公司否认计划中的开采将侵犯数千人民权利的事实。

The veinlet belt orebady of Tongkeng Mine with spontaneous ignition formats a fire area ,that makes mining sequence disorder,and a great number of stoped areas untreated.

铜坑矿细脉带矿石自燃形成火区，使矿山开采顺序紊乱，并遗留大量未处理的采空区，对矿山安全生产造成重大事故隐患。

Since 1810 Davy first discovered the gas hydrate and 1888 Villard first synthesized gas hydrate through manual work, scientists have made broad and effective research on its type, physics and ...

研究表明我国的许多海区具有天然气水合物形成的条件，希望2020年能够进行商业开采。

It is difficult to reduce viscosity of high viscous crude oil in the crude oil beingproduced and transported.

在原油开采和输送过程中人们要解决的一个主要难题是降低高粘度原油的粘度。

Kekeya condensate gas reser voir has pressure maintenance operation condition,the recovery percent of the co ndensate by WAG injection increasing by 1.90%～2.75%as compared with that by cy clic gas injection.

柯克亚凝析气藏具有保压开采的条件，采用水气交替注入比循环注气的凝析油采出程度高1.90%～2.75%。

In the past has been through the exploitation of underground water to fill the gap.

过去一直通过开采地下水来弥补这个缺口。

Due to the surface ecological environment is controlled by the water table, so to protect the water table from obvious decline is a core task for the water-conserving mining in the fragile ecological mine area.

表生生态环境严格受控于地下水位，采煤过程中，控制地下水位不发生明显下降是陕北生态脆弱矿区保水开采的核心。

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。