water supplies

For this to be safe, scientists have to be sure the material could never leak out and contaminate water supplies or rise up to the surface.

为了保证安全，科学家们必须确保这些物质决不可能泄漏出来，以至于污染水源或者升至地表。

The provincial environmental protection bureau said the algae boom has so far not affected drinking water supplies.

环保厅表示，蓝藻的大量集聚对居民饮用水暂时未造成影响。

Water treatment is often necessary if surface water supplies are to be available for human use.

当把地表水供人使用时，通常需要处理。

Blood and water must not be allowed to pollute nearby streams OR other water supplies.

血水一定不要污染附近的溪流或其它水源。

Water used for households, which greatly influences public health, is an important aspect of domestic water supplies.

对公共卫生影响很大的家庭用水是国内水供应的重要方面。

Cholera is usually spread through water or food, in places where conditions are dirty and drinking water supplies are unsafe.

霍乱蔓延，通常是通过水或食物，在有条件的地方，肮脏的饮水不安全。

And soot from India, China and a few other countries threatens water supplies fed by the Himalayan-Tibetan glaciers.

印度，中国和其他国家的煤烟，威胁到喜马拉雅山脉到西藏冰川一带的饮用水供应。

They're afraid those hazardous substances could wind up in groundwater or the Missouri River, and contaminate area drinking water supplies.

他们害怕，这些有害物质会渗入地下水和密苏里河，污染这个地区的饮水系统。

Investments in water resources could help at least eight hundred million people who depend on farming but have limited water supplies .

投资水资源能够帮组至少八亿种地为生但供水有限的人们。

The firm hopes it will eventually be able to unplug all four of its UK crisp manufacturing sites from the mains water supplies.

公司希望旗下的的四家英国薯片制造厂最终都能不再依靠管道水的供应。

Inadequate water supplies and lack of sanitation facilities represent major hazards to the public health in many parts of the world.

在地球上的许多地方，水供给不足及缺乏卫生设备是危害公共卫生的主要之源。

China needs to spend up to $20 billion a year to bring its urban water supplies up to standard, according to the World Bank.

根据世界银行估算，中国每年需要投资200亿美元才有望实现城市供水达到标准。

The county's drought will last for days, said the local water company. It is unknown when water supplies will resume.

当地自来水公司表示，县城将停水数日，恢复供水时间还不能确定。

The order followed two years of below-average rainfall and other limitations on water supplies.

根据连续两年的降雨量低于平均水平以及其他水供应限制发布了该命令。

Regions with high natural arsenic levels have been trying to develop alternative water supplies (Science, 23 March 2007, p. 1659).

一些砷自然含量高的地区一直在努力的开发替代供水（Science，2007年3月23日，1659页）。

The order follows two years of below-average rainfall and other limitations on water supplies.

该命令如下两年低于平均水平的降雨情况和其他限制对水的供应。

Thanks to global warming, these glaciers are receding, threatening the long-term water supplies for the region.

正是因为全球气候变暖，这些冰川正在消退，已经威胁到该区域未来的水供应。

He said arsenic contamination is a problem in some water supplies in Texas, Turkey, Bangladesh and China.

他说，在得克萨斯、土耳其、孟加拉国和中国的一些地方，自来水中的砷污染是个问题。

Around the world, dwindling water supplies and deteriorating water quality are driving innovations in water treatment technologies.

在全世界范围内，不断减少的水资源和恶化的水质正在驱动着水处理技术的创新。

Due to its vast population, China ranks among countries with the smallest water supplies per person.

由于其巨大的人口基数，中国位列于人均供水低的国家行列。