而无机碳含量总体与沉积物粒度变化呈正相关。
Moreover, the inorganic carbon content was positively correlated with grain-size variation in general.
方法实地考察、结合沉积物粒度分析及历史文献资料考证。
Methods Field research and aggradation lab analysis, historical data textual research.
摘要 :筛析法是海滩沉积物粒度分析较经典和常用的方法。
Abstract : The sieving analysis is a classic and common method used to measure the particle sizes of beach sediments.
结果表明,沉积物中碳酸盐含量明显受沉积物粒度组成和物源的影响。
The results show that carbonate content is influenced by grain-size composition and source of the sediments.
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。
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.
查明了通辽地区第四纪地质实体各期岩相古地理、沉积构造特征、地层空间结构、沉积物粒度的空间变异,据此进行了地层分区。
Such as the sediment structure characteristic of paled geography and formation the spatial structure of formation, the spatial variation of sediment size.
三角洲平原分流河道沉积底部泥砾较发育,沼泽沉积中发育植物根和褐煤沉积;三角洲前缘河口砂坝沉积物粒度较平原决口扇粗。
Mud gravel is often found in the base of distributary channel sediment, plant root and lignite often develop in the swamp sediment.
沉积物粒度数据的端员分析结果表明,冲绳海槽北部全新世沉积物中的硅酸盐碎屑是由陆源碎屑物质和火山灰按不同的比例混合而成的。
It is shown from the analysis results of grain size data that the sediments from the northern Okinawa Trough are mixture of terrigenous materials and volcanic ash during the Holocene epoch.
为了研究连云港近岸海域沉积物粒度中所蕴涵的沉积信息,利用端元分析模型对连云港近岸海域108个沉积物样品粒度数据进行了反演。
In order to obtain the sediment information of the grain size in Lianyungang Coastal Area, 108 grain size samples were studied by End-member Modeling.
沉积物粒度组成以粉砂为主,粘土和粉砂的含量较少。其中粉砂的平均含量为83.64%,粘土的平均含量为9.69%,砂的平均含量为6.67%。
The granularity compositions of sediments are mainly silts, whose average percentages is 83.64%. The percentages of sands and clays are 6.67% and 9.69% respectively.
沉积物的粒度特征反映了沉积环境。
The grain-size characteristics reflect the sedimentary environment.
本文研究了碎屑沉积物薄层粒度的分布特征与沉积水动力条件的关系。
The relationship between the characteristics of the grain-size distributions of thin beds for clastic sediment and the conditions of waterpower in deposition is studied in the article.
用它对几个地区不同沉积环境类型的现代沉积物样品进行了细致的粒度母体模式分类,并取得了良好的效果。
The model is used to classify the parent population of modern sediment samples from different areas and different sedimentary environments, resulting fine effects.
通过对崩积楔沉积物进行粒度特征分析,研究崩积楔形成时的沉积条件和环境特征。
On the basis of granulometric analysis of samples from colluvial wedge sediments caused by normal fault, the sedimentary environment is discussed.
沉积物的粒度是控制沉积物中污染物分布的主要因素之一。
Grain size is one of the main factors to control the pollutant distribution in sediment.
本文根据现代河流的已知沉积微环境中的砂样分析,阐述了河北平原河流沉积物的粒度成分、形态和石英颗粒的表面结构特征。
By analysis of sand grain size in sediment microenvironment of modern rivers, the size and shape of grain and surface texture feature of quartz grain were described in this paper.
本文论述了南黄海表层沉积物天然湿容重和含水量的分布,并利用回归分析的方法讨论了容重和含水量与粒度之间的关系。
In -this paper, distribution of natural bulk density, water content, and the relationship of grain size with bulk density and water content are studied by regression analysis.
潮滩沉积物的粒度参数可以用来反映沉积物沉积的水动力、沉积物来源和沉积物搬运趋势等环境信息。
Grain size parameters of intertidal flat sediments are related to local sedimentary environments, such as depositional hydrodynamic conditions, sediment sources, sediment transport, etc.
中国近海沉积物中生源要素的含量与其粒度、河流输入等诸多因素有关。
The contents of biogenic elements in China marginal sea sediments are related to their grain sizes, river transport, et al.
相同污染浓度条件下,粗颗粒沉积物中重金属具有较高的初期释放量和释放强度;平衡释放浓度随粒度减小略有增大。
Under the condition of same polluted concentration, heavy metals in coarse sediment are released with greater amount and higher intensity dUring initial stage.
相同污染浓度条件下,粗颗粒沉积物中重金属具有较高的初期释放量和释放强度;平衡释放浓度随粒度减小略有增大。
Under the condition of same polluted concentration, heavy metals in coarse sediment are released with greater amount and higher intensity dUring initial stage.
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