Sediment density is one of main physical characteristics of river sediment.
泥沙密度是河流泥沙的主要物理特性之一。
Instream sand mining can increase or decrease of the river sediment discharge.
河道采砂可能会增加河流的输沙,也可能会减少河流的输沙。
Acid-volatile sulfide in river sediment sample was measured by reaction headspace .
采用顶空色谱测定了河流底泥中的可酸挥发硫化物。
River sediment is a major threat that could undo all the positive effects the dam is supposed to bring.
河流中泥沙的堆积将是一个由大坝修建所产生的,能抵消所有正面影响的巨大威胁。
The variation of river sediment load is considerably affected by rainfall and underlying surface.
河流输沙量的变化受流域降水和下垫面影响很大。
REE composition in the Yangtze river sediment is different from that in the Yellow river sediment.
长江与黄河沉积物的稀土元素(REE)组成特征不同。
Mining has led to water polluted by mercury, which miners use to separate the metal from river sediment.
但开采者常用来从河沙中分离黄金的水银也导致了河水的污染。
A conceptual formulation for gullies was obtained by simplifying the Bagnold's function of river sediment discharge.
把拜格诺的河道水流悬移质泥沙公式简化为简单概念的沟道产沙公式。
The Yellow river sediment has similar REE composition to the upper continental crust(UCC), so it can also be used to trace the UC composition.
相对长江沉积物而言,黄河沉积物REE 分布模式与上陆壳的更为相近,可用来示踪上陆壳平均组成。
Its main work includes the Yellow river sediment cross-section tests, river bed surface quality sampling and particle size distribution analysis and so on.
其主要工作内容包括黄河河道断面淤积测验,河道表层河床质取样及颗粒级配分析等工作。
Periodical analysis showed that abrupt change of sediment load happened in 1968 and 1984, which divided the variation process of river sediment load into three stages.
中国主要河流入海泥沙还具有明显的三个阶段变化特征,即分别在1968年和1984年前后发生了突变。
Affects of sewage sludge, adherent amount added to the material and temperature of agglomeration to the specific surface area of ceramisite made of river sediment are also analyzed.
讨论了以河道底泥和生活污泥为原料烧制的陶粒比表面的测定原理、方法和结果,并对生活污泥添加量、粘结剂添加量和烧结温度对陶粒比表面的影响作了进一步分析。
For the design of desilting basin, the reasonable operation and prototype observation design should be offered according to the river sediment situation and pivot operation condition.
沉沙池设计应根据河流泥沙情况及枢纽运行条件,提出合理的运行设计和原型观测设计。
River sediment yield is the reaction of various natural factors and human action factor comprehensive role in basin, wash with sedimentation of river course to change, is related closely.
河流泥沙是流域内各种自然因素和人为因素综合作用的反应,与河道本身冲淤变化密切相关。
This paper describes the characteristics of fractal structure of bridging flocculated aggregates by using settling technique integrating with SEM photographs of Yellow-River sediment flocs.
本文采用沉降技术并结合黄河泥沙架桥絮凝体的电镜照片,对絮体分形特征进行了研究。
The main human activities significantly influencing the river sediment in the Beiluo river basin are opening up wasteland on steep slopes and forest areas, road construction, mining, and so on.
北洛河流域人类活动对河流泥沙影响较为突出的项目有毁林开荒、陡坡开荒、修路、开矿等。
A river sediment numerical model for gravel-pebble streams, CRS-1 model, is developed. The computed results by the model agree quite well with the data of flume experiment, model experiment and field.
开发了CRS - 1卵石河流泥沙数值模型,经水槽试验、模型试验、野外实测资料验证,计算结果与实测值吻合良好。
However, I did find some really cool places where there had been soft sediment deformation, probably from the rocks landing in marshy areas next to the river.
然而,我确实发现了一些真正酷的地方,那儿曾经有一些柔软的沉淀物异形,可能从岩石飘落在紧邻河流的沼泽区域。
The floodwatersbuilt up sandbanks and infused the river with sediment.
洪水建立起了沙洲,向河水中注入沉积物。
Sediment buildup from the natural flow of the river will slowly cause the water level in the reservoir to rise - potentially flooding low-lying parts of Chongqing.
泥沙的堆积是由河水自然流动形成的,这缓慢地推动水库水位的上升,这造成了重庆部分低洼地区可能被洪水淹没的潜在危险。
Most of the sediment directly enters the headwaters of the Mekong River or is deposited in riparian areas where it is entrained during later floods.
大部分泥沙直接进入了湄公河上游或是沉降在河岸地区,被日后的洪水中带走。
The Mississippi River Delta is speckled with clouds and outlined by a wide border of greenish-tan sediment.
密西西比河三角洲上空如斑点般散布着烟云,褐绿色的沉积物勾勒着三角洲广阔的边界。
In the lower reaches, where the current slows, the natural accumulation of sediment in the riverbed has caused the river to change course often in the past.
在河流下游,由于流速变缓,泥沙(等沉淀物)自然而然地堆积在河床中,曾经造成黄河经常改道。
Water spills out of the Gulf of Mexico where their suspended sediment is deposited to form the Mississippi River Delta
从墨西哥湾冲出的水流携带的悬浮式泥沙沉淀到了密西西比河三角洲中。
Floodwaters typically carry heavy sediment loads, and the Indus River (image upper right) is muddy brown.
洪水通常携带着大量的沉积物,也使印度河(图中右上方)呈现出黯淡的棕色。
Immediately downstream, the sediment from the landslide dammed the river and created a new lake, known as Earthquake lake.
山崩的沉积物在紧接着的下游堵住了河流并形成了一个新的湖泊——被称为地震湖。
Glen Canyon dam, which impounds the waters of the Colorado river, was opened for several days starting on March 4th in order to replenish the river's sediment levels.
库存科罗拉多河水的格伦峡谷大坝自3月4日已开闸数天,以填充河道的泥沙高度。
Glen Canyon dam, which impounds the waters of the Colorado river, was opened for several days starting on March 4th in order to replenish the river's sediment levels.
库存科罗拉多河水的格伦峡谷大坝自3月4日已开闸数天,以填充河道的泥沙高度。
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