查询词典 sediment

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。

Secondly, owing to high sediment load, Yellow River demands more water as "the fundamental water flow of maintaining its own life" than other major rivers in the world.

其次，与其他河流相比，多沙的特点使得黄河需要更多的"维护河流自身生命的基本流量"。

The application of the permeability obtaining with stoneley-wave inversion in those complex lithology reservoirs with lower porosity and permeability shows that the permeability from stoneley-wave is a good reference to divide into zone for those reservoirs with relatively good wellbore conditions, big sediment thickness and good homogeneousness. This enlarges the application scope of acoustic logging.

斯通利波渗透率在低孔、低渗透性复杂岩性储层的应用结果表明，对于井眼条件相对较好、储层发育厚度大且均质的该类储层，可参考斯通利波渗透率进行储层的有效性划分，从而拓宽了声波测井的应用范围。

Heavy mineral analysis to Yunchi Group and Shanxiyao Group shows that contents of zircon, rutile and apatite have positive relationship, and no hornblende and pyroxene can been found in sediment.

这种沉积及古地理演化特征说明，在中更新世早期以前，不存在大河体系在该区的切割和疏淘作用。

The mechanics of sediment-laden flow has been one of the most important subjects in hydraulics and river dynamics.

挟沙水流的运动规律是泥沙运动力学中最基本、最重要的研究课题之一。

In terms of environmental hydrodynamics, more and more attention has been attached to pollutants release characteristic from sediment s in estuary area.

在环境水动力学中，河口地区的河流底泥污染物释放扩散特性的研究越来越受到人们的重视。

As an example, the suggested modelsimulates the hydrograph of the water and sediment discharge rate in Chabagoubasin, which is a small catchment in the sandy and grit area.

在小流域的应用可以在空间分辨率上大大提高模型的精度，用于黄土高原等地形破碎区的产流产沙计算。

The erosion of even-distributed type rainfall results in waveform hydrograph of sediment flow with low concentration and increases with the area of watershed.

均匀型降雨侵蚀下，径流含沙量时间曲线表现为低含沙量的波浪起伏形，并且，随流域面积的增加，次降雨平均含沙量增加

Hydrometry ; sediment measurement ; river course survey ; river closure ; planning ; design ; the Three Gorges Project ; the Yangtze River

水文测验；泥沙测验；河道测量；规划；设计；截流；三峡水利枢纽；长江

The solution to the one dimensional hyperbolic runoff equations and sediment equation are obtained respectively by using the characteristics method and finite difference method.

利用水力学原理建立了坡面降雨径流和土壤侵蚀模型，分别采用特征线法和有限差分法对径流量和土壤侵蚀量进行了求解，并针对具体降雨事件进行了模拟计算，计算结果与试验小区实测值基本一致。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。