中淤

本文通过渗流计算探讨了坝外和坝内铺盖出现裂缝后所形成渗流场的特点，还用两个冲蚀试验装置探讨了断裂面土体冲蚀和缝中淤填的特性。

Also , the properties of erosion on cracking surfaces and that of clogging in cracks have been studied by means of two erosion test equipments .

介绍商品级湿法磷酸项目中淤渣分离设备的选型试验，给出了试验的过程及参数，为工业装置过滤设备的选型提供依据。

Introduces the type selection of slurry separating equipment for commercial grade wet phosphoric acid , the test procedure and parameters are provided as the basis for type selection of industrial filtering equipment .

泥沙数学模型中冲淤计算的几个问题

Some problems of sedimentation calculation in mathematical models

铁化合物和铝化合物通常认为是不好的，因为它们在产品酸中生成淤渣。

Iron and aluminum compounds are generally regarded as undesirable because of sludge formation in the product acid .

在酸中形成淤渣，妨碍贮存和运输。贮入：把数据贮存在磁带或磁碟上的情况。

Sludges forming in the acid interfere with storage and handling . Save : The operation of storing data on disc or tape .

该部分主要是分析和总结不同特点河道中冲淤变化与水位升降之间的关系。

In this paper , water level variation according to different riverbed deformation in river channels with different kinds of cross section shape is analyzed .

结果63例中显示淤胆型胆囊炎者55例，占87%；胆囊壁增厚并少量沉积物者8例，占12.7%。

Results Among 63 cases , cholestatic cholecystitis were 55 cases ( 87 % ), gallbladder wall thickening with small amount of sediment 8 cases ( 12.7 % ) .

为提高效益、加快速度、应对航道施工中回淤等，建设方案进行一系列优化探索。

In order to improve the benefit and speed up the development speed , a series of optimization probe into the construction scheme for siltation of waterway construction were carried out .

通过模拟斗槽预沉池中泥沙冲淤的试验，研究了在重力和紊动扩散共同作用下悬移质泥沙运动的有关特性。

By means of model experiments of sediment deposition and wash , the characteristics of suspended sediment movement under the action of gravity and turbulent diffusion are studied in this paper , and some problems concerning sediment deposition and wash in the prototype lateral canal are solved .

台风期间产生的大浪和风暴潮极易掀起并输运滩面上的泥沙，泥沙落淤到航道中发生骤淤，对港口通航和作业造成较大影响。

During the typhoon attacking , the sediment on beaches in nearshore zone are easily suspended and transported by large waves and storm surge . The sudden siltation can occur due to sediment deposit in channel , which may cause serious effects on the harbor navigation and operation .

并且为了满足水下地形分析中诸如两期冲淤分析，航道疏浚工程等实际生产需要，又对两期DEM模型的对照应用作了具体而深入的分析和研究。

To meet some practical need such as analysis of erosive and alluvial change of two periods and navigational channel dredging , this paper carries out in-depth and detailed study on DEM models of two periods .

长江中下游河道冲淤与河床自动调整作用分析

Analysis on Channel Scouring and Silting and Self-adjusting in Midstream and Downstream Reaches of Changjiang River

该模型也能够合理描述泥沙分选过程中伴随的冲淤过程。

The present model is also proper for describing the sediment sorting accompanied with erosion and depositional processes .

辽河中下游河道冲淤分析及整治规划研究

Study on the Channel Evolution Analysis and Regulation Plan at the Middle and Lower Reaches of Liao River

年轻人喜欢打台球，耍扑克，这些可以排遣因日常工作中的缺失而淤在心中的郁闷。

And young men like billiards and cards , which take their minds off the imbecility of everyday work .

三峡水库蓄水运用初期长江中下游河道冲淤响应

Response of middle and lower reaches of Yangtze River to the initial operation stage of the Three Gorges Project

在矿井的正常运行和安全生产中，水仓淤煤的清理十分重要。

In the normal operation of the mine and production safety , cleaning the silt coal in water storage is very important .

此外，三峡工程蓄水运用后，清水下泄将引起长江中下游河道冲淤变化，导致蓄泄关系、江湖关系发生变化，对防洪产生影响。

In addition , the impoundment of the reservoir and the release of clear water will cause the silting and scouring variation , result in changes of storage and discharge relation and river-lake relation , and influence the flood control situation .

本文总结了我国水利枢纽建设中存在的泥沙危害情况，归纳并分析了中、低水头枢纽设计中预防泥沙淤损和引水防沙的基本方法。

In this paper the sedimentation problems existing in hydro-juntion constructions are summarized . Some basic methods of presenting the damage caused by sedimentation and controling sediment by water diversion which are applied in the design of medium head and low head water power stations are analysed .