The existing projects, though, are looking at freshwater algae.
虽然现在的计划正着眼于淡水藻类。
Trent's plan is to grow freshwater algae in nutrient-rich waste water inside semi-permeable plastic membranes.
Trent的计划是将清水海藻种植在充满富营养废水的半透塑料薄膜里。
From scum on ponds to water celery on river beds and reeds swaying in a wetland breeze, freshwater algae and plants provide oxygen to breathe and food to eat.
从池塘的浮垢到河床上的水芹和沼泽地上随风摇摆的芦苇，这些淡水藻类和植物为生物提供呼吸的氧气和可吃的食物。
The results showed that excellent effects on algae and turbidity removal were achieved. For the raw water of Taihu Lake, 97.3% of freshwater algae and 95% of turbidity were removed.
结果表明，赤泥复合剂具有良好的除藻降浊效果，对太湖水华藻去除率为97.3%，原水浊度去除率为95%；
Today green algae live mainly in freshwater, suggesting that their early evolutionary history may have occurred in freshwater habitats.
如今的绿藻大多生活在淡水水域中，这一点说明它们的早期进化史可能起源于淡水生境。
Algae can be grown on waste land in plastic tanks called bioreactors, with little more than sun, heat and water - and the water can be salty, which leaves freshwater for food crops.
可以把藻类放在称为“生物反应器”的塑料罐里生长在荒地上，只要有太阳、热量和水就可以-并且还可以用咸水，这就把淡水留给了食用庄稼。
Many freshwater lakes and rivers were becoming contaminated by algae, starving them of oxygen and killing off fish, affecting local livelihoods and recreation for local populations.
全球气候、区域降雨及河流正在逐渐被海藻类污染，缺氧引起鱼类死亡，影响当地居民的生活及休闲娱乐。
"But don't most freshwater turtles live their whole lives with algae and scum hanging from their shells?" I asked.
“但是，难道不是所有的淡水乌龟都是伴随着它们壳上的海藻和泡沫、浮渣度过一生的吗？”我问道。
"But don't most freshwater turtles live their whole lives with algae and scum hanging from their shells?" I asked.
“但是，难道不是所有的淡水乌龟都是伴随着它们壳上的海藻和泡沫、浮渣度过一生的吗？”我问道。
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