sediment 泥沙(5110) 底泥(751)   泥沙     Study on the Basic Laws of Flow and Sediment Transport in Alluvial Channels     冲积河流水流泥沙运动基本规律的研究 短句来源     A Study on Simulating Methods of River Suspending Sediment Movement     河流悬移质泥沙运动模拟方法研究 短句来源     Numerical Simulation of Estuarine Cohesive Sediment Transport     河口粘性泥沙输运数值模拟 短句来源     Numerical Simulation of Wave, Tidalcurrent and Sediment of Estuary and Coast     河口、海岸波浪、潮流、泥沙数值模拟 短句来源     Experimental Studies of Sediment Problems of Gezhouba Project on the Changjiang River     长江葛洲坝工程泥沙问题的试验研究 短句来源 更多          底泥     The cause attributed to the point source situated in sample site I. The heavy metal in sediment contamination factors were very high for Zn (18.15), Hg (6.67), Pb (5.64) and considerable for Cd (2.6), Cu (2.54), Ni (1.72), C r (1.02), As (0.098).     疏浚后底泥中重金属元素积累顺序为：Zn(18.15)>Hg(6.67) >Pb (5.64) >Cd(2.6) >Cu(2.54) >Ni(1.72) >C r(1.02)>As(1)。 短句来源     Total volume of sediment in the whole reservoir was about 48 840 m3,the total wet-weight was about 54 027 tons and the total drought-weight was about 36 137 tons.     结果表明,该水库中蓄积的底泥体积约为48 840 m3,湿重约为54 027 t,干重约为36 137 t。 短句来源     Application and Practice of Holand SILAS Subbottom Sediment Characterization System in Taihu Lake Sediment Measurement     荷兰SILAS走航式适航水深测量系统在太湖底泥测量中的应用与实践 短句来源     Properties of dredging contaminated sediment of lake and engineering geological assessment of its yard     湖泊疏浚污染底泥性质及堆场工程地质评价 短句来源     Investigation of the sediment showed that the mean concentrations of organic carbon and the mean total nitrogen decreased 17 percent and 36 percent respectively, compared with prior to sediment dredging. But the concentrations total phosphorus only decreased 3.33 percent.     南湖底泥疏浚后底泥中有机质含量下降17%，总氮含量下降36%，总磷平均值下降较小，仅为3.33%。 短句来源 更多          “sediment”译为未确定词的双语例句     Neural Network Models of Soil Erosion and Runoff in Slope and System Dynamics Model of Sediment Field in a Watershed     坡面产流产沙神经网络模型与流域产沙系统动力学模型研究 短句来源     Study on Flow and Sediment Movement of Bifurcation Area and Related Application of 3-D Numerical Flow Model     分汊口水沙运动特征及三维水流数学模型应用研究 短句来源     The Coupling Interaction for Water and Sediment Discharge and Riverbed Morphology in the Middle and Lower Changjiang River Channel     长江中下游干流水沙与现代河床地貌耦合作用研究 短句来源     Research of 2D Water and Sediment Numerical Modeling Based on GIS and Its Application in the Lower Yellow River     基于GIS的二维水沙数学模型及其在黄河下游应用的研究 短句来源     The Study of Physicochemical Process of Sediment Movement in River     河流泥沙运动物理化学过程初步研究 短句来源 更多        查询“sediment”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   sediment The variables studied were transport of sand, underlying surface roughness, windblown sediment, wind-sand flow structure, soil mechanical composition and amount of wind erosion. 例句来源       At a height of 0-20 cm, the height increased while the sediment discharge percent of sand flux decreased; there were significant differences in the sand flow formation under different land-use types. 例句来源       4) The amounts of wind erosion and sand sediment were different among different land-use types. 例句来源       Effect of forest vegetation on runoff and sediment production in sloping lands of Loess area 例句来源       At the same time, better correlative relationship between runoff and sediment production and rainfall and rainfall intensity were testified by multiple regression, but the correlation decreased gradually with the increase of canopy density of forest. 例句来源       更多                    After a brief review about the problems of sediment deposition in irrigation canals and the general devices to reduce the quantity of suspended sediment entering the irrigation headworks, a layout based upon theory of circulating flow is proposed. By means of analysis of some existing data in engineering practice and theoritical treatment, circulating flow is proved to be efficient for reducing suspended sediment entering irrigation headworks, especially for those d>0.04mm, which usually c...             本文对悬沙河流灌溉取水工程中所存在的泥沙問題及經常采用的防沙措施进行了分析,探討了利用横向环流減少悬移質泥沙入渠的可能性,并从工程实践和理論分析两方面論証了其实际效益,最后提出了在一定条件下設置弯道和侧面排沙渠,造成横向环流,以减少泥沙入渠的建議。 文摘来源          In this paper, the transportation of suspended sediment by circulating flow in river bends is discussed. Depending upon the distribution of the lateral velocity and suspended load in a vertical line, the equation of circulating flow loaded with suspensions was derived, and some problems of river processes were explained by means of it.             本文从弯道环流橫向流速uy沿垂线分布和含沙量沿垂綫分布出发,首先討論了环流橫向輪沙問題,从而导得了环流横向挾沙力公式,并用天然河道的实測资料,驗証了这些公式是比較符合实际情况的。其次,討論了橫向輸沙的若干特性,并根据这些特性初步解釋了有利于形成蜿蜒性河道的条件。此外,对环流若干特性和含沙量沿垂线分布的公式作了闡明。 文摘来源          Tientsin New port,the main port of North China,is situated on the northern part of the subaqueous delta of the Hai-Ho.As the port is faced with silting problem,study of the source of silt is important for formulating measures to cope with the problem.From a detailed study of shoreline changes between New port and the mouth of the Hwangho,together with analysis of grain size,heavy mineral assemblage and clay minerals of sediments of this part of tidal fiats and shallow sea,it seems reasonable to conclu...             为研究天津新港回淤泥沙来源问题,本文分析了海河水下三角洲的形成与演变以及渤海湾沿岸地貌与沉积特征。现代海河水下三角洲的粉砂淤泥质滩体是近百年来由海河下泄泥沙形成的。19世纪中叶至20世纪初是三角洲以原河口拦门沙为核心迅速淤长的时期;20世纪初至今,三角洲淤长速度渐缓,但由于海河及其河口地区各种整治工程的影响,三角洲的形态变化很大。近百年来三角洲地貌变化与海河及其河口地区动力泥沙条件有直接关系。通过对海河水下三角洲地貌形成与发育特征的分析,通过渤海湾海岸及水下岸坡地貌和沉积特征的分析,说明天津新港泥沙回淤问题的主要原因是海河水下三角洲地区泥沙的近源活动,港内泥涉主要直接来源于港区周围的广大粉砂淤泥质浅滩。 文摘来源   << 更多相关文摘         相关查询: sediment handling sediment contamination sediment classification sediment analyzer serious sediment graded sediment sediment processes common sediment sediment profiles sediment modulus sediment computation terrace sediment  对查询结果不满意

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