开采

No cadmium ore is mined for the metal, because more than enough is produced as a byproduct of the smelting of zinc from its ore, sphalerite, in which CdS is a significant impurity, making up as much as 3%.

没有为了开采镉而开矿的，因为从锌矿中提炼锌的时候产出的副产品已经是绰绰有余了，在闪锌矿中镉是最主要的混杂物，大概占3％。

The price of oil, from the hole in the ground to the spigot has gone crazy.

意思是：从地下开采出来的原油一直到放在油箱里可供取暖的油的价格全都涨疯了

It is precisely because we are faced with resource depletion in the cold stope before an extraction has been strengthened as soon as possible Bikeng, give full speed up the reserve mine construction, and strive to build a new 10 million-ton scale the mountain spring, such as Hurricane Zhou Qi, this vision, this mammoth , the slightest knock cold fingers move I can not help but pushed the button like flying, playing out the first Spring Festival Spring Festival temporary music.

正因为我们面临着采场资源枯竭的寒流，方才有了强化开采，尽早闭坑，举全力加快后备矿山建设，努力打造千万吨级规模新南山的春风如狂飙骤起，这愿景，这宏图，一丝丝叩动我冰冷的手指，忍不住揿键如飞，弹奏出春临时节第一支迎春的乐曲。

According to the analysing of groundwater recharge ,runoff,draining of groundwater and dynamics of springhead and so on,the authors have considered that the main causes of Baiquan springhead cutoff are the decrease in atmospheric water and artificial overexploitation groundwater.

文章从地下水的补给、迳流、排泄及泉水的动态等方面分析了百泉泉水断流的主要原因是大气降水的减少和人工过量开采地下水。

When was the Individual Stannary Developed at the Earliest?

个旧锡矿是何时最早开采的？

A stochastic dynamic planning model with jump processes is presented for nonrenewable resources under two kinds of uncertainties.

通过一个带跳的随机动态规划模型，探讨了市场需求、资源储量的不确定性以及勘探活动对于矿产资源价格和开采率的影响。

In a recent research report, Australian stockbroking and financial-services firm Ord Minnett said there could be as many as one billion metric tons of new supply a year under development by listed Australian companies.

澳大利亚股票经纪和金融服务公司Ord Minnett在最近的一篇研究报告中指出，澳大利亚上市公司当前所开采新矿的铁矿石供应量可达每年10亿吨。

President Bush says draining the emergency stockpile makes no sense when new sources of oil can be exploited at home.

布什总统说，使用紧急储备在新的石油资源能在本土开采的情况下是毫无意义的。

Around the town Tianchang chemical stone mining, coal processing and marketing business for the logistics center development project of various enterprises.

天长镇围绕化工石开采、煤炭运销深加工和商贸物流为中心，大力发展各类项目企业。

He expresses, searching stone to oil deposit hides and increase exploitation to measure is one of element that development of White Russia nation plans.

他表示，寻找石油矿藏和增加开采量是白俄罗斯国家发展计划的要素之一。

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。