stratification of sediments 中文意思是什麼
stratification of sediments
解釋
泥沙層理- stratification : n. 1. 【地質學；地理學】層理；分層，層疊形成，成層作用[現象]。2. 【園藝】砂藏。
- of : OF ＝Old French 古法語。
- sediments : 沉積物
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( 4 ) at the height of the summer, the surface and bottom water of the creeks differed in n and p loadings. nh4 +, soluble p and total reactive p in the bottom water were higher than those in the surface ; while no3 - and no2 - in the surface were higher than those in the bottom. such water - quality stratification inevitably resulted from the enhancement of phytoplankton in the surface water and intensified release of nh4 + and p from the sediments
（ 4 ）在盛夏高溫季節，水流滯緩的小河流表層水和底層水的氮磷指標存在明顯分異：底層水nh _ 4 ~ + ，水溶態磷和總反應態磷（ trp ）含量高於表層水；而表層水no _ 3 ~ -和no _ 2 ~ -含量高於底層水；表層水的ph和do高於底層水。
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