然后它可能会污染地下的天然水。
严格地说，各种天然水实际上都是混合物。
Strictly speaking all kinds of natural water are actually mixtures.
所以他们只能喝天然水，也就是从雨水中来的。
So they have to drink the natural water, which is from the rainwater.
阐述了活性炭和膜技术组合工艺处理天然水的研究进展。
Description on study progress of combined process of membrane and activated carbon for natural water has been presented.
压力系数对于任何具体的天然水驱油(气)藏不是一个常数。
The pressure factor is not a constant for given natural water drive reservoir.
通过天然水清洗恢复试验，对铀地浸后地下水环境修复进行了研究。
A laboratory test for remedying the groundwater environment after in-situ leaching of uranium by natural water flushing is carried out.
天然水沤麻存在费工、费时、劳动强度大、质量不稳定、污染环境等缺点。
Natural water retting has the weak points of long retting time, hard sledding, unstable quality and water pollution.
对水驱开发油藏论述了天然驱动能量的分级方法与天然水驱开采效果的评价方法。
For flooding development reservoir, addressed the classing method for natural driving energy and the evaluating method for natural water drive development effect.
本文就不同浓度的钡对天然水的生化需氧过程、氨化及亚硝化过程的影响进行了探讨。
This paper discussed the influence on the biochemical oxygen demand, ammoniation and nitrosation by barium of different levels in water.
对应用于天然水驱和人工注水开发油田的20多种水驱曲线法进行了分类、对比与评价。
This study provided the classification, correlation and evaluation of more than 20 kinds of the water-drive performance curve analysis methods including natural water-drive and artificial water-drive.
掌握边底水运动规律，控制并利用活跃的边底水能量，是成功开发天然水驱油藏的关键。
The key of successful development in natural water-drive oil reservoirs is to grasp the movement rule of edge and bottom water and to control and use the their active energy.
含有溶解的无机盐，矿物成分或气体的天然水或人工合成的水，通常用于治疗某些疾病。
Naturally occurring or prepared water that contains dissolved mineral salts, elements, or gases, often used therapeutically.
本文提出了痕量铅的在线流动注射离子交换预浓集火焰原子吸收测定方法，并将其应用于天然水的分析。
In this paper, a flow-injection system with on-line ion-exchange preconcentration and atomic absorption detection was developed and applied to the determination of tEe amount of lead in natural water.
云浮硫铁矿通过对矿区天然水和酸性处理水的综合利用，解决了矿区生产用水问题，取得了较好的经济效益。
To resolve production water, Yunfu Pyrite Mine takes measures of making use of nature water sources and treated acid water, obtaining good economic benefits.
对这些合成水镁石的矿物学研究不仅具有材料科学意义，而且为研究天然水镁石成因和性质提供了实验室证据。
The mineralogical studies of the synthetic brucites are not only of interest in material science, but also provide experimental evidence for studying the nature of natural brucite.
硝酸盐是水和土壤里天然存在的化学物质。
Nitrates are chemicals that occur naturally in water and the soil.
水是鱼的天然生活环境。
石油和天然气的密度都比水小，所以二者通常会浮在被水浸泡的岩石和沉积物的表层。
Both oil and gas are less dense than water, so they generally tend to rise upward through water-saturated rock and sediment.
辐射来自于外层空间（宇宙射线），以及在土壤，水和空气中的天然放射性物质。
The radiation comes from space (cosmic rays) as well as natural radioactive materials found in the soil, water and air.
一些专家认为这些人长寿应归功于他们饮用的明显不含杂质的天然矿物质水。
Some have attributed this longevity to their consumption of a natural mineral water, which is remarkably free from impurities.
此外，干水也能为天然气动力汽车提供一种更安全更便利的甲烷燃料存储方式。
The powder could also provide a safer, more convenient way to store methane fuel for use in vehicles powered by natural gas.
所以加在一起说来就是：吃肉浪费和污染我们的天然资源-所需的水、土地和能量是植物性饮食的许多倍（这本身就是道德上的迫切需要）。
So add it all up: Eating meat wastes and pollutes our naturalresources -- requiring many times the water, land and energy of eatingplants (a moral imperative on its own).
他表示全面投产究竟对矿物沉积层会造成怎样的影响和必须注入什么样的水和天然气混合物才能维持生产还都是未知数。
What is still unknown, he says, is how full production will affect the deposits, and what mixture of gases and water must be injected to maintain their output.
但是，能源、食物消费者可以有所选择：可以用天然气取代石油或者多吃些鸡肉少吃些牛肉，而水，甚至可口可乐，却无可替代。
But with energy, or food, customers have options: they can switch from oil to natural gas, or eat more chicken and less beef. There is no substitute for water, not even Coca-Cola.
收集小溪、河流、池塘、湖泊和天然泉水中的水
Step Gather water from streams, rivers, ponds, lakes, and natural springs.
大多须后水含酒精，这是一种天然的止血剂和杀菌剂。
Most aftershaves contain alcohol, which is a natural astringent and disinfectant.
大多须后水含酒精，这是一种天然的止血剂和杀菌剂。
Most aftershaves contain alcohol, which is a natural astringent and disinfectant.
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