The particle size of the surface sediments in Daya Bay mainly consisted of silty clay, clay silt and silt.
大亚湾表层沉积物以粉砂质粘土、粘土质粉砂及粉砂为主组成。
And the geochemical characteristics of the surface sediments reflect the impact of anthropogenic activities.
而表层沉积物稀土特征反映了人类活动的影响。
The PCDD/Fs in surface sediments of Great Canal in Hangzhou city were analyzed by isotope Dilution HRGC/HRMS method.
采用同位素稀释-高分辨气质联用技术对京杭运河杭州市区段表层沉积物中二恶的分布进行研究。
The interstitial water in surface sediments is taken to be the sample source of liquid hydrocarbon for offshore oil and gas geochemical prospectation.
表层沉积物间隙水可作为海洋油气化探液态烃的样品源。
The distributions and functions of various forms of nitrogen in the biogeochemical cycling in the southern Yellow Sea surface sediments were investigated.
本文报道了南黄海表层沉积物中不同形态氮的区域分布特征及其在生物地球化学循环中的作用。
Studies show that surface sediments of the flood land seem to be the best sampling media in ultra-low density geochemical investigation in forest-swamp areas.
研究成果表明，河漫滩表层沉积物是森林超低密度地球化学调查的最佳采样介质。
These results are related to the characteristics of seafloor surface sediments such as physical-mechanical features, grain contact state and sediment microstructure, etc.
这些结果与海底浅表层沉积物的物理力学性质、颗粒接触状态、颗粒的微结构等特征有关。
Because of the effects of hydrodynamics and sediment grain size, the contents of different forms of nitrogen in surface sediments at stations in the Yellow Sea Trough were higher.
受水动力及沉积物粒度的影响，不同形态氮在黄海槽内各站位沉积物中的含量较高。
To reflect magnetic properties of the sediments from the Changjiang and Huanghe fully, surface sediments were collected from the river channels and higher tidal flat of the estuaries.
为较完整地反映长江口和黄河口沉积物的磁性特征，对两大河口所覆盖的区域进行大面积布点采样。
In addition to the petroleum geologic conditions, the main causes are also related with the properties of near surface sediments and the geographical and geomorphologic landscape conditions.
其主要原因除与油气地质条件相关外，还取决于近地表沉积物的性质，以及地理、地貌的景观条件。
Based on the analyses of abundance and assemblages of calcareous nannoplankton of the surface sediments from the South China Sea, the correlation between the abundance and water depth is found.
通过对南海表层沉积中钙质超微化石丰度和属种组合的分析，得出化石丰度与水深的关系。
Surface sediments were sampled from the mangrove wetland in Quanzhou Bay to study the distribution, speciation, and bio-availability of mercury in the sediments.
采集了泉州湾红树林湿地表层沉积物样品，测定了沉积物中不同形态汞的含量，研究了汞的分布特征、赋存形态及其生物有效性。
Surface sediments were sampled from the mangrove wetland in Quanzhou Bay to study the distribution, speciation, and bio-availability of mercury in the sediments.
采集了泉州湾红树林湿地表层沉积物样品，测定了沉积物中不同形态汞的含量，研究了汞的分布特征、赋存形态及其生物有效性。
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