The Phosphorus cycle has been studied a lot by ecologists because like I said, Phosphorus is an important nutrient and it's not so abundant.

生态学家对磷循环进行了大量研究，因为如我所说，磷是一种重要而不充足的营养物质。

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On land, the supportive buoyancy of water is missing, the plant is no longer bathed in a nutrient solution, and air tends to dry things out.

在陆地上，水的浮力支持消失了，植物不再浸泡在营养液中，空气会使植物变干。

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You can look at the nutrient broken down as a function of the percent daily values.

你可以把分解的营养成分看做及每日建议摄取量的一个功能。

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A recent policy discussion in the journal Science compared the nutrient balances of different agriculture systems.

VOA: special.2009.07.28

And then, you can look at the nutrient broken down as a function of the percent daily values.

下面是各种营养成分的含量,及其所占每日建议摄取量的百分比

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And so the food is a broader constituent of what we consume; the nutrient will be the pieces of the food that affect bodily function.

所以食物的概念要比吃的东西更加广泛,食物中的营养素影响着我们的人体机能

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Such knowledge helps blur the distinction between a nutrient and a drug.

ECONOMIST: The way health claims about food are regulated is changing

It sits in the middle of the Japan current, a nutrient-rich stream that feeds a stunning variety of crustaceans, tropical fish and other sealife.

CNN: ASIANOW - TIME Asia | Travel Watch | Detour

Fat-free foods don't fit into a nutrient-dense diet unless they're naturally free of fats, like vegetables and fruit.

CNN: Get the biggest bang for your calorie with nutrient-dense food