泥沙的 的英文怎麼說
中文拼音 [níshāde]
泥沙的
英文
silt-
Sedimentation embodies the processes of erosion, entrainment, transportation, deposition, and compaction of sediment.
泥沙問題包括泥沙的侵蝕、挾帶、輸移、淤泥和密度的過程。All the filth of the alley invaded their quarters like a rising muddy tide.
這條衚衕上的一切垃圾就像一陣含著泥沙的浪潮似的沖到他們的屋子裡來。The silt particles shape and its floccules configuration is observed by tem and sem
利用透射電鏡、掃描電鏡觀測了泥沙的顆粒形狀、泥沙絮體形態。Yellow river estuary is typical weak tide and high sediment deposition estuary, the yellow river sediment transport and settling deposition process is the capital factor to determine estuary evolvement characteristics. any method provided for estuary management, there is no exception to have tight relationship with estuary sediment transport and settling deposition process. this paper summarized the yellow river estuary basic characteristics firstly, point out existing problem in this research domain
黃河河口系典型的弱潮多沙堆積性河口,黃河河口泥沙的輸移擴散和沉積過程是決定河口演變發展特徵的首要因素,黃河河口任何一項治理措施的提出,無一例外均與河口泥沙的輸移和沉積分佈狀況存在密切關系本文首先對黃河河口的基本特性進行了概括總結,在簡略回顧黃河河口泥沙輸移與沉積的有關研究成果的基礎上,指出了當前在此研究領域內存在的問題。It is mainly by analyzing the features of sediment concentration distribution in vertical in this paper, and then the problems of effect of headwork gates on sediment prevention, relation between distribution of sediment deposition in irrigated areas and its treatment and utilization, estimating the influence of withdrawing water and sediment on channel deposition and erosion in lower yellow river, and treatment and utilization of the sediment entered into canals are discussed
本文主要從分析計算含沙量沿垂線分佈特點,探討渠首防沙的作用,分析灌區泥沙淤積分佈特性與泥沙處理利用的關系,分析計算引水引沙對黃河下遊河道沖淤影響及入渠泥沙的處理利用等問題。Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method
研究認為: ( 1 )黃河河口口門逕流潮汐區域並非持續保持淤積狀態,在特定的來水來沙、邊界條件和海洋動力條件下,該區域可以處于沖刷狀態; ( 2 )從河口泥沙沉積分配的過程來看:三角洲與濱海區泥沙的沉積變化趨勢是基本一致的,各部位的泥沙沉積比例變化基本呈波動狀態,且三角洲與濱海區泥沙的沉積比例與來沙量密切相關,基本成正比關系; ( 3 )在口門處,影響泥沙沉淤的因素主要集中在潮汐頂托、口門逐漸加寬、河口門分汊、鹽水造成絮凝等,本報告主要對口門加寬,口門西妥理工大學工程碩士專業學位論文分漢對河道淤積的影響進行了定量分析: (一扣根據實測資料首次建立了河贖流路泥沙沉積分配的回歸計算式,據此可以預估計算河口不同區域泥沙的沉淤量; 、 5 )本項研究首次論證了河口三角洲岸線動態平衡的概念,並建立了黃河河口來沙量與造陸面積的相關關系,得出了當河口多年平均來沙量維持在3 . 45億t時其河口三角洲岸線則可能處于動態平衡狀態的重要結論; 『 6 )本項研究首次提出了河口泥沙優化調控的概念,並對其宏觀優化調控模式進行了初步探討。The percentage of flow discharge, which is an important concept and tool for the study of nonuniform sediment, is proposed
引進了挾帶分組泥沙的水量百分數,它是研究非均勻沙的重要概念和工具。Conceptual planning and test on waterway regulation, river trainning and harbour engineering. analyzing sedimentation in hydraulic structures, water intakes and drainage project, etc
航道整治、河道治理、內河港口的規劃設計及試驗分析研究。水工建築、電廠取排水等工程泥沙的分析研究及處理。The results of model experiment proved that the new - type setting basin can greatly improve the deposition efficiency of suspended sediment and help the excluding of silt
試驗結果證明,這種新型沖洗式沉沙池可以大大提高沉沙池對懸移質泥沙的沉澱效率,並有利於泥沙的排除。This paper summarize the estuary sediment management methods also, analyze and the following aspects and give evaluations : estuary dredging and lead the flow, lead water to scour the river channel, build the xihekou reservoir, estuary gate deposition management, dike reinforced etc
本文還對河口泥沙的處理途徑和措施進行了概括總結,對河口疏浚與導流、引海水沖刷河道、建設西河口水利樞紐、攔門沙治理、人工有計劃改道和出漢、加高堤防和加固防護工程和挖河固堤工程等進行了分析評價。Prevention and comprehensive cure of sediment in liuhe river
柳河泥沙的防治與綜合治理In the meantime, the bohai sea year answer the deposit that one year the ground accepts fluvial silt, deposit result makes again the bohai sea becomes shallow gradually
同時,渤海年復一年地接受河流泥沙的沉積,沉積的結果又使得渤海逐漸變淺。The size of a sediment particle alone is usually not sufficient to describe it.
單顆泥沙的粒徑通常不足以描述其性質。Flocculation and settling properties of fine sediment
細顆粒泥沙的絮凝沉降特性The paper analyzes and summarizes the following laws of distinctive sediment yield produced in storm floods of the region based on predecessors ' study : storm is the main dynamic force of erosive sediment yield and storm, flood and sediment exist an inevitable relation ; the flood occurring time is concentrated with high peaks and huge volume, suddenly rising and suddenly falling and has decisive influence to the formation of a major flood peak in the middle yellow river ; the main reasons of concentrated coarse sediment of the river is severe erosive sediment yield, strong sediment transporting capacity and high sediment concentration ; the important influence of frequent or continued storm floods happened in he - long reach especially in coarse sediment concentrated region to the sediment transport of the yellow river and ; along with the increase of harnessing, regional flood trend is becoming smaller but the variation of sediment quantity is not obvious and the reaction of peak discharge and flood runoff of majority tributaries are not sensitive, showing that a general and normal engineering works can not effectively control regional major floods especially the sediment of an extraordinary flood
摘要在前人研究的基礎上分析總結了該區特有的暴雨洪水產沙規律:暴雨是侵蝕產沙的主要動力,暴雨、洪水、泥沙之間存在著必然的關系;洪水發生時間集中,峰高量大,暴漲暴落,對黃河中游大洪峰的形成具有決定性影響;侵蝕產沙強烈而粗泥沙集中,輸沙能力強,洪水含沙量高,是黃河粗泥沙的集中來源地;河龍區間特別是粗泥沙集中來源區頻繁或連續的暴雨洪水對黃河輸沙有重要影響;隨著治理水平的提高,區域洪水有減小趨勢,但泥沙量變化不明顯,大部分支流的洪峰流量、洪水含水量反應不敏感,說明一般規模和水平的治理工程還不能有效控制區域大洪水特別是特大洪水的泥沙。Estuary dynamics, regulation of navigation channels in estuary, and silt problems of harbours and navigation channels
長期從事河口動力學、河航道治理及港口航道泥沙的咨詢研究,曾為長江口、黃浦江、甌江等河口整治工程提供咨詢。Habitat at having the shallow sea sea floor of aquatic or silt, or below conceal stone
棲息于有水草或泥沙的淺海海底,或潛伏石下。Pipelines, manifolds and valves that connect the production wells with separators on the platform are exposed if oil or gas from the reservoir contains sand
通過開采平臺上分離器與生產井連接的管道、集管和閥門,將受到儲油池中的油或者氣含有的泥沙的影響。Ann is a adaptive and non - linear dynamic system made from superposition of many simple components which we call neuron. the question for computation of d _ ( cmax ) belongs to incipient motion of sediment in essence, which is the same question with two different sides, because computation of critical condition ( including critical velocity critical shear stress critical power ) for a grain size under a bed - load condition is equal to computation of a grain size during incipient motion under the bed - load condition and the water flow condition given before. and computation of gross bed - load transport rate has great relationship with standard of incipient motion
對于d _ ( cmax )的推求,在本質上還是泥沙的起動問題,因為尋求某種床沙條件下某級泥沙的起動條件(如起動流速、起動切應力、起動功率)和尋求某種水流和床沙條件下的起動粒徑是同一問題的兩個方面而已;而對于推移質總輸沙率推求也和泥沙起動問題中的起動標準選擇緊密相關。The fractal surface and fractal adsorption model of sediment
泥沙的分形表面和分形吸附模型分享友人