查询词典 sediments

The most prent organic contaminants associated with sediments and soils include: Polynuclear aromatic hydrocarbons, chlorinated hydrocarbons such as polychlorinated biphenyls, dioxins, furans, etc. and fossil-fuel derived hydro-carbons and their derivatives.

与一些沉积物和污泥有关的最普遍的污染物包括：多环芳烃类物质，氯化烃类如多氯联苯、二噁英、呋喃等，还有矿石燃料燃烧所产生的烃类及其衍生物。

This paper introduces a method for determination of polychlorinated biphenyls in the sample of marine sediments by microwave extraction and gas chromatography with electric capture detector.

建立了微波提取海洋沉积物样品中多氯联苯的气相色谱-电子捕获检测器的检测方法。

The shortening amount,ratio, rate of of Wuboer area is 32km,40.2%,7.17mm/a,respectively.(3) The Kuzigongsu fault subsidence has several asymmetric half-graben depressions from west to east.These half grabens are characteristic of west-faulting and east-overlapping.According to this phenomenon,the source of the sediments may be mainly from "Wulagen Uplift" to the west when the basin formed.

3认为库孜贡苏断陷盆地自西向东发育多个不对称的侏罗纪箕状断陷，断陷结构为西断东超，说明该盆地形成时主要物源来自于西部的&乌拉根隆起&，由此揭示了南天山西段冲断带东西部分古生界分布差异性的原因。

Sand and clay sediments are studied by means of 137Cs tracing test in typical grass-covered peak cluster depression in Maolan, southern Guizhou.

在贵州茂兰峰丛洼地区的工程碑草地洼地典型小流域进行了洼地沉积泥沙137Cs示踪分析研究。

This happy confluence opened the field of Organic Geochemistry and fostered discovery of how (and when and why and where and by whom) the molecular remains of life are transformed and preserved in the mud of oceans, lakes, and, even, perhaps, in the sediments of the great gray-green, greasy Limpopo River itself.

这个美好的学科交叉点开启了有机地球化学这块新的领域，并且使我们发现了生命分子在海洋等泥土沉积物中的存在和变化以及保存的六何。

In greywacke, the content of clay mineral often higher than 15%, clay mineral come from former clay mineral in sediments and their transformation. Clay minerals show plasticity. Clay mineral can damage the pore content of reservoir through distorting and filling into pore easily. These reservoir show low pore content and low permeability.

杂砂岩中的粘土矿物主要是沉积原生粘土矿物和原生粘土矿物转化形成的新生粘土矿物，粘土矿物在储集层中主要表现为可塑性，容易压实变形并充填到孔隙当中损害储集层物性，储集层物性主要表现为低孔低渗。

Sediments illite crystallinity measurements showed that the ancient humid climate had gradually changed from the evolution of drying.

沉积物中伊利石结晶度的测量结果显示了古气候由湿润逐渐变为干燥的演化规律。

State Key Laboratory of Pollution Control and Resources Reuse, Tongji University, Shanghai 200092, ChinaSoil and sediments are anoxic and anaerobic environment, often containing high levels of Fe due to the interaction of iron reducing bacteria with iron oxide minerals which are widely present in subsurface.

在土壤和沉积物的自然厌氧环境中，铁氧化物可被铁还原菌等微生物异化还原产生Fe，形成的Fe/铁氧化物表面结合铁系统具有还原活性，可使有机污染物还原转化。

IR, XRD, SEM and TEM analyses show that crystalline minerals in the iron hydroxide sediments are mainly weakly-crystallized goethite with small amounts of illite and montmorillonite.

析出物的主要成分为Fe2O3，并含少量Al2O3和SiO2，铁质析出物的XRD、IR、SEM和TEM分析表明，氢氧化铁的结晶程度较低，主要结晶相为针铁矿，其次为少量伊利石、蒙脱石和石英。

Un-equilibrium transport of sediment is the key of bed evolution of rivers and estuaries. The factors in sediment transport are very complex, for flows with sediments in nature are often turbulent flows.

泥沙输运的不平衡是河道、河口河床演变的物质基础，而影响泥沙输运的动力因素较为复杂，尤其是自然界存在的挟沙水流往往是紊流。

Warden: That's a beautiful dog, but don't bring her again.

那是条漂亮的狗，但是不要再把她带来了。

You get up in the morning – no hangover!

你第二天早上起来的时候—不会宿醉！