沉积

Sediment core samples were collected from the continental shelf of the Chukchi Sea in July 1999 and rare earth elements were measured by instrumental neurton activation analysis.

于 1 999年夏季我国首次北极科学考察期间在楚科奇海采集了三个沉积物岩芯，并采用中子活化法测定了沉积物样品中稀土元素的含量。

In order to reflect the toxicity of cadmium in the two different systems: overlying water system and watersediment coexistence system, the toxicological parameters such as metal body burden, MT and mortality in a freshwater cladoceran Daphnia magna after exposure were quantified.

选择大型溞作为受试生物，以大型溞体内金属积累量、金属硫蛋白含量和死亡率作为测试指标，考察了上覆水体系与水柱－沉积物共存体系中金属镉的毒性状况，探讨了水体沉积物中重金属的生物毒性作用机制。

In order to reflect the toxicity of cadmiumin the two different systems: overlying water system and water-sediment coexistence system, the toxicological parameters such as metal body burden, MT and mortality in a freshwater cladoceran Daphnia magna after exposure were quantified.

选择大型溞作为受试生物，以大型溞体内金属积累量、金属硫蛋白含量和死亡率作为测试指标，考察了上覆水体系与水柱-沉积物共存体系中金属镉的毒性状况，探讨了水体沉积物中重金属的生物毒性作用机制。

Physical simulation of clastic sedimentary system is an important resort of studying sedimentary process,it is also one of efficient methods of forecasting oil-gas sandbody distribution.

碎屑沉积体系的物理模拟是研究沉积过程的重要手段，也是预测油气储集砂体分布的有效方法之一。

With the increase of temperature, cobalt removal can be improved considerably.

研究结果表明，温度不同时，表面沉积物的结构也不同，表面沉积物的结构影响置换的速度。

Coccolith index distribution pattern (the relationship between coccolith abundance and water depth)in submarine sand ridges of the south Yellow Sea is built up based on the coccolithophore ecological character.

将沉积物中的颗石作为一种特殊的沉积颗粒，根据颗石藻的生态特点，建立了海岸带环境中颗石丰度与水深关系的标准分布模式。

Both the a-axis and ab-plane dip towards the downstream , the dip angles of the a-axis are low and concentrated, being 7—8°,the ab-plane dips at 7～21°, and the a-axis has more preferred dip of fabrics than the ab-plane; the peak of the grain-size frequency distribution curve of deposits in the Lushan area is in the range of 4 and 5 φ;The quartz sand grains are subangular and have well-developed conchoidal fractures, parallel striatio ns, upturned cleavage flakes,"V"-shaped holes and siliceous deposits.

摘 要：庐山第四纪泥砾沉积物的砾石组构特征表明，砾石岩性与山体基岩基本一致，砾石的等体积球径较小，加权平均砾径较中值砾径大，分选系数大于1，分选性差，φ值相对较小，平均为0.66，F值相对较大，在2左右，F/φ比值介于2.75～4.75，ρ值集中且较小，为22.75%～37.75%，砾石以棱角、次棱角状为主，磨圆较差；a轴和ab面都倾向沟谷下游，a轴倾角集中且较小，为7～8°，ab面倾角为7～21°，a轴较ab面具有更为优势的组构倾向；沉积物粒度频率曲线在4～5Φ范围内表现为峰；石英砂颗粒为次棱角状，贝壳状断口发育，具平行擦痕、上翻解理片、V形坑和硅质沉淀。

The study reveals that the convolute bedding is genetically related to rapid deposition and wave-shaking.

通过研究发现，它们的成因与相对静水条件下快速沉积和波浪震荡引起沉积物泄水，形成密度倒置、重力失稳，最后导致发育底辟变形有关。

Sediment cores as a traditional and primary instrument for studying the sedimentary environments and depositional processes of tidal flat are taken generally by gravity corer in inter-tidal flat.

有关潮滩盐沼系统沉积和地貌演化过程的研究已有许多学者利用不同手段进行了研究，如通过采集柱状样分析地层中的沉积记录[2~3]、现场的多年观测研究[4]、数学模拟等[5]等。

The wave process of sedimentary basin is a form of earth's crust movement,which is controled by both cosmogony and earth evolution.

沉积波动过程是地壳波状运动的具体表现，它是各种天文因素、地质因素共同作用的结果，沉积波动过程的时空演化控制着地层层序的时空展布特点。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。