Examining the toxic effect of heavy metal pollutants is essential for exploring heavy metal water environmental capacity.

考查重金属污染物的毒性效应是探讨重金属水环境容量的基本出发点。

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Along with going deep into the water environmental quality monitoring field research, we discovered that it had complicated relationship between physical-chemical indexes and biological indexes.

随着水质监测领域研究的深入，发现水质监测的生物指标与理化指标之间存在着复杂的关系。

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There are many different ways to measure agricultural performance besides food yield: energy use, environmental costs, water purity, carbon footprint and biodiversity.

除了粮食产量之外，还有许多不同的方法来衡量农业表现：能源使用、环境成本、水的纯度、碳足迹和生物多样性。

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They also must provide detailed information about nearby water and environmental issues that could cause wildlife to gather near an airport.

VOA: special.2009.04.01

Industry representatives Director Josh Fox has documented the environmental effects of new drilling methods, including flammable tap water, across 24 states in his new film "Gasland."

VOA: standard.2010.01.02

The U.S.Environmental Protection Agency,or EPA, lists stormwater as the primary cause of water pollution in the United States, and encourages local communities to develop management plans to treat run-off before it pollutes their rivers, lakes or streams.

VOA: standard.2010.08.04

She has stakes in construction firms, as well as water and environmental-protection companies.

WSJ: City Lights Shine for Equities in China

Rejoice Mabudafhasi of the Ministry of Water and Environmental Affairs, South Africa, and Biliana Cicin-Sain, President of the Global Ocean Forum.

UNESCO: MEDIA SERVICES

Advanced University degree (preferably at Doctorate level) in the field of hydrology, water resources engine eering or in closely related water or environmental sciences.

UNESCO: Criteria & Requirements