查询词典 sediment-covered

The results show that finer grained sediment samples tend to have higher concentrations of As and Pb.

研究结果发现磺港溪底泥中的砷、铅浓度皆会随著颗粒细粒化而明显地增加。

The carbonate rock-argillaceous rock, limestone-siliceous shale and sea-bottom clastic rock developed from east to west in Pingliang Formation of the western Ordos Basin,which shows the lithological sequence of marine sediment resulted from increasing water depth. The graptolite shale and marl with high-abundance hydrocarbon are formed in the palaeogeographic environment of deepwater slope.

鄂尔多斯盆地西缘中奥陶统平凉组自东而西发育的碳酸盐岩—泥质岩、灰岩—硅质页岩和海底碎屑岩反映了海相沉积因水深变大而形成的岩性序列，含有机质丰度高的泥质和泥灰质烃源岩形成于深水斜坡相的古地理环境中。

The moderate halophile strain Nj223 was selected from Prydz Bay deep-sea sediment and identified by 16S rDNA as Halomonas sp.

对普里兹湾深海沉积物中筛选到的中度嗜盐菌盐单胞菌Nj223Halomonas sp。

At the end of the of headland ,sediment is apt to fill up.

在人工岬角底端处，容易产生泥沙的淤积

A very complicated underground cavern system located in the thin mountain body on the left bank of the Xiaoliangdi Project is composed of a number of underground structures, including 3 orifice tunnels, 3 sediment tunnels, 3 free surface flow tunnels, 6 headrace tunnels, 3 tailrace tunnels, underground powerhouse, transformer chamber, draft tube gate chamber and also many tunnels for grouting, drainage, access and other uses.

小浪底工程左岸单薄分水岭山体的地质条件复杂，地层为砂岩夹有薄层泥岩，主要断层有F28、F461、F236、F238和F240。在左岸山体中布置有3条孔板洞、3条排沙洞、3条明流洞、6条引水洞、3条尾水洞、地下厂房、主变室、尾闸室以及为数众多的灌浆洞、排水洞、施工洞等，形成非常复杂的地下洞室群系统。水库蓄水后左岸山体出现了远大于原先估计的渗流量。

Similar sediment pollution scenarios are occurring in the headwaters of the Salween and Yangtze Rivers.

在萨尔温江和长江上游也存在类似的泥沙污染状况。

As a scientist who has worked on this topic for some years, it is my judgment that 80 to 95 percent of the direct sediment contributions into the headwaters of these rivers are now attributable to road erosion and landslides.

作为一名曾在该领域工作多年的科学家，我判定，这些水系上游的直接泥沙排放量中，有80%到95%来自于道路侵蚀和滑坡。

Surface modified nano-sized mgnesium hydroxide was prepared by direct precipitation method with magnesium nitrate hexahydrate and sodium hydroxide as raw materials,and sodium fatty alcohol polyoxyethylene ether carboxylate as modifying agent.The optimum dosage of modifying agent was 0.2% of the mass of magnesium hydroxide,which was confirmed by sediment volume experiment.Modified and unmodified samples were characterized by fourier transform infrared spectroscopy,X-ray diffraction,transmission electron microscope,and tap density test.

以六水硝酸镁、氢氧化钠为原料，脂肪醇聚氧乙烯醚羧酸钠为改性剂，采用直接沉淀法一步合成改性纳米氢氧化镁，用沉降体积实验确定改性剂的最佳用量为氢氧化镁质量的0.2%，通过红外光谱、X射线衍射、透射电镜、表观密度对改性前后的样品进行表征。

Behaviors of sorption, desorption and hysteresis of dibutyl phthalate and Di-(2-ethyl)hexyl phthalate on three kinds of SPM, including suspended sediment particulate, Chlorella vulgari and Microcystis aeruginosa, were studied.

目前，对吸附机理及影响因素的认识的局限性，使得有机污染物的迁移转化和归宿模型在实际水环境中的预测存在较大的误差。

The technical complexity of the project is mainly due toits complicated geological conditions and high sediment concentration ofthe Yellow River flow.

坝址区复杂的地质和黄河高含沙水流是小浪底工程技术复杂的主导因素。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。