地下水中物质的对流-扩散是水化学找油的理论基础。
The convection-diffusion of substances in subsurface waters is the theoretical basis for hydrochemical exploration of oils.
将混凝土混合物倒入大海后立即开始硬化过程，而且该物质非但不会在水中溶解，还保持坚硬耐久。
Pouring concrete mixture into the sea immediately started the hardening process and rather than just dissolving in the mass of water, the substance was tough and long-lasting.
测试显示水中污染物质的含量很高。
河水中的化学物质含量不容忽视。
哈罗盖特在维多利亚时期是时髦的旅游地，那时人们来到这里，在矿物质水中泡温泉。
Harrogate became a fashionable resort during Victorian times, when people came to take a bath in the mineral waters.
肾病和肝炎类似，这与水中高含量的盐分和矿物质密切相关。
Kidney and liver diseases are common which has to do with the high content of salts and minerals in the water.
这种方法的依据是测量饮用水中的化学物质在人的头发中的变化。
The method relies on measuring how chemical variations in drinking water show up in people's hair.
其中包括叶子上载有传感器的植物，能显示出它们何时缺水，还包括一种可以检测到地下水中有害化学物质的植物。
These include plants that have sensors printed onto their leaves to show when they're short of water and a plant that can detect harmful chemicals in groundwater.
为了减少重量的另一大来源——水，古拉博士及其团队设计了内含可从净化水中俘获毒素的物质的一次性滤块，这使得净化水可被循环使用。
To reduce the other source of weight, the water, Dr Gura and his team designed disposable cartridges containing materials that capture toxins from the cleansing water, so that it can be recycled.
这种细菌通过分解水中的有机物质，回收死去的有机物，起着至关重要的作用。
The bacteria also provide a vital role by breaking down organic material in the water and recycling dead organisms.
而其他有毒物质被很好的密封在电视机内，对用户的危害很小，但这些物质也有可能在制造或丢弃的过程中，释放到空气和水中。
The other toxic materials are well enclosed and should pose little risk to users, but they could be released into the air or waterways during manufacture or disposal.
这实验非常有趣，微珠在水中飘游时，好像没有新的物质产生，有人问道：“接下去这些珠子又会怎么样呢？”
This was interesting but, as the beads floated around in water with no obvious way to turn them into a product, people asked: What could be done with them?
许多城市的监测站受命对空气和海水中的放射性物质进行全天监测。
Monitoring stations in many cities were ordered to conduct around-the-clock surveillance of radioactive substances in the air and sea water.
在清水中，浮游生物会产生低量有毒物质，但是加入尿素后毒素增加了两倍。
In cases where the plankton mysteriously began making low levels of the toxin in clean water, adding urea nearly doubled production.
水床（水中添加的杀菌剂或在乙烯基塑料中的化学物质可能使水不能安全地使用）
Water beds (fungicides added to the water or chemicals in the vinyl may make water unsafe for use)
电站正常运行时，冷却水中会产生这类物质，含量非常微小，通常是通过高高的烟筒平稳地排放到环境中去。
Normal plant operations produce both of them in the cooling water, and they are even released routinely in small amounts into the environment, usually through tall chimneys.
事实上，在福岛海岸沿线种海带甚至还被建议作为净化海水中放射物质的一种方式。但是大多数的科学家不认为这是个好的解决方法。
In fact, planting brown seaweed off the coast of Fukushima has even been proposed as a way to clean up the water, although most scientists don't believe this is a good fix.
火电厂和冶炼工厂附近的土和水中所溶解了来自于铅，汞及其他重金属的毒性物质，这些毒性物质通常很难测量。
The toxic buildup of lead, mercury, and other heavy metals in the soil and water near coal plants and smelting factories is not usually measured.
镁是一种它们从周围的海水中吸收的矿物质。
Magnesium is a mineral that they absorb from the surrounding sea water.
有毒化学物质会混入饮用水中，更不用说河流和海洋。
The toxic chemicals get into drinking water, not to mention rivers and oceans.
废水中的营养物质可喂养鱼类，因此没必要加额外食物。
Nutrients in the wastewater support the fish, so no external food is added.
美国环境中心的研究目的是确定有多少种在古龙水中用到的化学物质没有被列在标签上。
The EWG's study aimed to determine how many chemicals are used in colognes that are not listed on the label.
福岛市也已在饮用水中发现了碘、铯- 135和铯- 137等放射性物质。
Also in Fukushima City, radioactive elements, including iodine, cesium-135 and cesium-137, were found in drinking water.
据研究者称，冬季水华中该类生物数量增多，这种不同寻常的现象也许标志着阿拉伯海的水体正日益富营养化——水中的营养物质过多而氧含量减少。
According to the researchers, the unusual abundance of this organism in winter blooms may be a sign that the waters of the Arabian sea are becoming more eutrophic-overly fertile and oxygen-depleted.
有毒物质散发到了各个角落，空气中，水中，甚至沙土中。
That poison was everywhere, in the air, in the water, even between the grains of sand.
有毒物质散发到了各个角落，空气中，水中，甚至沙土中。
That poison was everywhere, in the air, in the water, even between the grains of sand.
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