seasonal dynamic of nutrient 养分季节动态
dynamic of nutrient elements 营养元素动态
dynamic changes of nutrient 养分动态变化
The kinds of feed and levels of enzyme are dynamic variation related with nutrient value of enzyme.
酶制剂的营养价值随饲料种类与酶的添加水平变化呈动态关系。
Integrating with dynamic function, the hydrodynamic inducement of sediment suspension and a conceptual model for nutrient release from sediment in large shallow lake were suggested.
结合水动力作用，提出了大型浅水湖泊水动力作用导致底泥悬浮，从而使得底泥中的可溶性营养物质释放这一内源释放的概念性模式。
On basis of location, water dynamic, nutrient loading, red tides are classified as six types of estuary type, bay type, culture zone, coastal water type, upwelling type and open sea.
根据赤潮灾害发生的空间位置、水动力、 营养物质来源等因素，将赤潮灾害类型划分为河口型、海湾型、养殖型、沿岸流型、上升流型和外海型六类。
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