The surface pollution control of city water source is the key to ensuring safety of drinking water.

城市饮用水源地面源污染的控制是确保饮水安全的关键环节。

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The storage technology of combined sewerage overflow is a key technology to control the surface pollution and cut pollution load.

合流制排水系统溢流调蓄技术是控制面源污染、削减污染负荷的一项关键技术。

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Thesis shows that the insulator surface pollution process has matter with Brownian motion, the air drag force, turbulent diffusion, gravity.

论文研究表明，绝缘子表面积污过程与布朗运动、气流曳力、湍流扩散、重力自沉降有关。

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We can and should control surface pollution as that effects air quality yet there is a huge difference between controlling air quality as that remains constant in cold or warm environments while temperatures constantly fluctuate from day to night, month to month and year to year, in the Western isles of Europe we are having a particularly cool and wet summer.

FORBES: Good News For Polar Bears Is Bad News for Global Warming Alarmists

A. moved to reduce surface ozone, a form of pollution caused, in part, by emissions from oil refineries.

NEWYORKER: Covert Operations

Researchers are developing new and ingenious ways of protecting surface waters and groundwater systems from pollution, and ensuring better water management.

UNESCO: World Water Day 22 March 2010: Clean Water for a Healthy World