Your cardiovascular system is an important and fragile group of structures that pumps nutrient - and oxygen-rich blood throughout your body.
你的心血管系统是一组重要而脆弱的结构，它输送你身体富含营养和氧气的血液。
You said that the nitrogen cycle is also an important nutrient cycle.
你说了，氮循环也是一个重要的营养循环。
When nutrients are used over and over in the environment, we call that a nutrient cycle.
当营养物质在环境中被反复使用时，我们称之为营养循环。
For example, an invading nonnative plant could alter the quantity of leaf litter production, which would alter nutrient contributions to the soil.
例如，外来植物的入侵可能会改变落叶的数量，从而改变对土壤的营养贡献。
The three most important nutrient recycles are the nitrogen cycle, the carbon cycle and the one we are going to talk about today, the Phosphorus cycle.
这三种最重要的营养循环包括氮循环、碳循环和我们今天要讲的磷循环。
Chlorophyll, although exquisitely evolved to capture the energy of sunlight, can sometimes be overwhelmed by it, especially in situations of drought, low temperatures, or nutrient deficiency.
叶绿素虽然已经进化得极为精巧，能捕捉阳光中的能量，但有时也会应接不暇，特别是在干旱、低温或缺乏营养的情况下。
The analysis testing on basic nutrient components of ocimum basilicum was carried on.
对罗勒的基本营养成分进行了分析测定。
The higher water content in conventional foods dilutes its nutrient contents.
传统食物水分含量较高，稀释了其养分含量。
Scientists are calling this nutrient awareness the brain’s sixth sense for calories.
科学家们管这种营养察觉能力称为大脑的第六感觉。
By contrast, phytoplankton are scarce in remote ocean gyres due to nutrient limitations.
与此相反，因为养分的限制，在偏远的洋流中浮游植物非常罕见。
They are scarce in remote oceans (dark blue), where nutrient levels are low.
它们在养分水平偏低的偏远海洋中数量稀少(呈深蓝色)。
It would be used to increase the nutrient value of agricultural products.
它能用来增加农产品中的营养价值。
That's why some researchers are now encouraging folks to get the nutrient in their diet instead.
这就是为什么如今一些研究人员鼓励人们从饮食中获取营养。
The first column of each of the Tables indicates the source of the nutrient data.
每个表的第一栏都显示了营养数据的来源。
As a result, diseases caused by nutrient deficiency are rare in the United States.
因此在美国由营养缺乏引起的疾病很少。
Goji berries have been called one of the most nutrient rich fruits on earth.
枸杞被称为是地球上最营养丰富的水果。
US law does not require labels unless the composition or nutrient value of the product is significantly changed.
美国法律不要求贴上标签，除非产品中的成分与营养价值发生了显著变化。
Health benefits come from eating the entire food, not just a single nutrient inside it, he said.
健康得益于吃整个食物，而不只是其中的单一营养，他说。
The third study examined a specific nutrient, a sugar called fructose that is abundant in fruit.
第三个研究了一种具体营养物，一种在水果中富含的果糖。
Because the oil is used as a reserve nutrient—like fat—diatoms have evolved no mechanism to secrete it.
由于油的作用是营养储备——就象脂肪似的——所以硅藻没有进化出分泌油份的机制。
Agrochemicals had destroyed the natural cycles of nutrient renewal that intact ecosystems use to maintain themselves.
农用化工产品破坏了原始生态系统赖以生存的营养更新的自然循环。
For cancer patients, as nutritional requirements often are increased, maintaining adequate nutrient levels also can be difficult.
对于癌症病人来说，往往需要更多的营养，要保持适当的营养水平很困难。
The major characteristics of soils are texture, acidity, nutrient content, gaseous content, and moisture content.
土壤的主要特性有质地、酸度、养分含量、气体含量和含水量。
The structure variance of soil nutrient is bigger than the random variance.
毛竹林土壤养分的结构性变异大于随机变异。
Reduced nutrient uptake affects plants in many different ways.
减少养分吸收以许多不同的方式影响作物。
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。
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。
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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