污水回用于循环冷却水系统，水质中会含有存活的细菌，并且无机和有机营养物含量高。
There are living bacteria and inorganic and organic nutrient substances of high load in the circulating cooling water system where wastewater is recycled.
农业面源污染物质氮、磷流失是与土壤营养物含量之间存在较强的联系，土壤营养物的累积可增大流失风险。
Studies have shown that the soil nutrient loss has strong connection with its content, and the accumulation of soil nutrient can increase the loss potential.
去年还推出了营养信息主动提示计划，在麦当劳的包装上详细标明卡路里，蛋白质，脂肪，碳水化合物和盐的含量。
The Nutrition Information Initiative, launched last year, put detailed labels on McDonald's packaging with data on calories, protein, fat, carbohydrates and salt content.
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