The sediments are detrital and largely of greywacke facies.

沉积岩为碎屑质，大部分属于杂质岩相。

The sediment settled and the water was clear.

杂质沉淀后, 水变清了。

This rock contained chalcedonic cement before it underwent diagenesis, a process where low temperatures and low pressures alter the content of sediments before they finally lithify, or turn into rock.

在它经历成岩作用之前，它含有燧石质的胶结成分。成岩作用过程中，低温抵压改变了沉积物的成分，而后固结成岩。

Site soils in southern area of Jiangsu province belong to washland sediment or limnetic facies sediment.The components of sediment are very complex and process of sedimentation is in disorder.

苏南地区场地土主要为漫滩相、湖沼相或冲湖相新近沉积软弱土,结构松散,沉积零乱,成分复杂,饱水可液化及土较为发育,在地震或动力荷载的作用下有可能发软土震陷或土液化。

Benthos The organisms that live on the bottom sediments of freshwater and marine ecosystems. They include plants and algae (phytobenthos) that grow below low tide mark.

底栖物（海底物）：在淡水或海洋态系统底部活的物体。包括一些水底的植物和藻类。

The variation of varve thickness may show a decrease of sediment flux during the Little Ice Age, and an increase of sediment flux after 1960s.

但纹的变化可能揭示出小冰期沉积通量的减少和上个世纪六十年代之后沉积通量的增加。

Its original rock is sedimented in the environment of active epicontinent-seaboard with basic volcanism, and become khondalite series through the Archean regional high-amphibolite facies metamorphism.

原岩形成于具有基性火山作用的活动大陆边缘滨海-浅海环境。经过太古宙的区域高角闪岩相变质作用，形成孔兹岩系。

The ubiquity of phenanthrene series, chrysene series compounds, perylene and retene compounds in the sediment indicated that PAHs mainly came from the terrestrial plants.

在样品中检测到角鲨烯，表明这一地区存在物甲烷合成和菌作用，具有成油气及天然气水合物可能性。

We propose that As anomalism in groundwater possibly resulted from the combined effects of organic matter-enriched lacustrine sediments, geological setting and topographical characteristics.

通过研究，可以看出以还原环境为主的富含有机质的湖沼相沉积环境、特定的地质、地形条件为地下水砷异常的原因。

Ultracentrifuge A high-speed centrifuge, operating at up to a million revolutions per second that is used to sediment protein and nucleic acid molecules.

一种高速离心设备，运转时转速可达每秒百万转，常用于沉淀分离蛋白质与核酸分子。

Abstract： Flocculation and deflocculation of fine sediment play an important role in soil structural stability, agrochemical compounds movement and eroded sediment transport.

摘 要： 颗粒泥沙的絮凝-分散对土壤结构的稳定性，土壤中农用化合物的迁移以及侵蚀泥沙的输移、沉积有重要作用。

Northeast is low-angle slope, develop constructive potamic-lake delta, The delta from headstream to lake, extend very long, sediment complex and Microfacies multiplicity.

三角洲从物源到湖泊区,延伸距离远,沉积复杂、微相多样。

The soybean phosphatidylethanolamine and phosphatidylinositol were prepared by combining methods of solvents extraction and silica gel column chromatography from soybean oil sediment.

采用溶剂萃取法和柱色谱法相结合的工艺,从大豆油脚中制备肌醇磷脂,研究了不同洗脱剂对柱色谱分离脑磷脂和肌醇磷脂效果的影响。

Using flow sediment laden formula set by Hanqiwei and overyear runoff,sediment data,the sediment retaining prediction of Manwan reservoir is carried out.

利用韩其为[1]水流挟沙力公式以及戛旧站多年径流、泥沙资料,进行了漫湾水库的拦沙预测分析。

The sediment types and their superimposed features in log data can conversely verify the rangeability of relative accommodation space.

通过录井岩性资料中沉积物类型及其叠加特征可以反推相对可容空间的变化幅。

Geologically, the rock mass of the Mogao Grottoes is semi-binder calcirudite of the quaternary sediment of very loose structure.

莫高窟岩体在地质学上属第四纪沙泥质、钙质半胶结砾岩，结构十分松散。

It is the unsolidified sediment consisting of disordered kaolinite and small amount organic matter and lignite materials.

常含少量有机质或与褐煤矿等伴。

The sediment of coffee will settle.

咖啡渣会沉淀下去。