sediment rate 中文意思是什麼

sediment rate 解釋
沉積率
  • sediment : n. 1. 沉澱(物);沉渣。2. 【地質學;地理學】沉積物。
  • rate : n 1 比率,率;速度,進度;程度;(鐘的快慢)差率。2 價格;行市,行情;估價,評價;費,費用,運費...
  1. This is changeable and rapid rate of sediment production.

    這是種多變而快速的沉積作用。
  2. The field observation of the sediments of storm surge produced by no. 11 typhoon in 1997 shows that sedimentation rate of storm surge sediments are greater than that of normal astronomical tide sediments, and the grain size shows relative coarse with poor sorting. vertical sequences of the storm sediment show parallel bedding and overlapped by hummock bedding. these characteristics provide good basis for building the index of storm surge deposit

    通過對梁垛河閘9711號臺風的現場觀測並結合目前已有的風暴潮沉積的研究,分析了風暴潮沉積在構造和結構上的特點,從而建立了正常潮灘沉積中風暴潮沉積的識別標志,同時在野外觀測中還發現即使在風暴潮期間,高潮灘上部仍存在只有淤積沒有侵蝕的地帶。
  3. The supply of sediment is insufficient to offset the rate of subsidence.

    沉積物的補給不足以抵償沉降的速率。
  4. When compared with pvd, cvd, fad film is dense, flat and lubricous because of 100 ionization rate of sediment after magnetic filtering without any large granule. moreover, it has good corrosion resistance and is not easy to be removed

    與pvd cvd技術比較,由於磁過濾后沉積粒子的離化率為100 ,並且沒有大顆粒, fad形成的薄膜非常緻密和平整光滑,抗腐蝕性能好,且與機體的結合良好不易脫落。
  5. The soil - rock foundation was applied in highway of changde - zhangjiajie, and in order to assure soil - rock foundation quality by shocking and compaction test, different virtual height of soil - rock foundation was constructed and it ' s quality was controlled for in - situ test, it was considered as parameter for virtual height, shocking and compaction quantities, shocking and compaction sediment rate and maximum diameter of packing materials

    摘要針對常張高速公路採用沖擊壓實技術壓實土石混填路基的問題,選取試驗段進行了不同虛鋪厚度路基的施工工藝及質量控制等試驗研究,提出了虛鋪厚度、沖壓遍數、沖壓沉降率(單級沉降量) 、填料最大粒徑等施工控制參數。
  6. It has been proven that the differences of magnitude and distribution of tidal currents, wave energy rate, suspended sediment concentration and the stokes number result in a asymmetrical distribution of sandbanks between the north and south. the sandbank surface area and length in the north are lager than those in the south, but its cross section area is less than that in the north

    各種動力特徵平面分佈規律研究表明,輻射沙脊群南北沙脊不對稱分佈的格局是潮流沙脊對潮流往復流性質的強弱分佈、潮波能流率大小分佈、含沙量的平面分佈規律及斯托克斯數的大小分佈的動力響應。
  7. In the past, more emphasis has been put on the flow pattern and the division ratio of water and sediment discharge. in order to study the division characteristics, a theoretic model is proposed in this thesis, which combines the plan configuration of channels with the minimum energy dissipation rate theory

    本文將河流動力地貌學中的平面形態和最小能耗率理論相聯系,研究分汊河道的分流特性,並推導理論分流模式;另一方面,通過建立二維水流數學模型,與理論分析結果進行比較。
  8. By the analysis and study, it is showed that : 1 ) the lower weihe river main channel was at a balanceable state between aggradation and degradation and floodplain of the lower weihe river is a tiny aggradation state before the construction of the sanmenxia dam ; 2 ) the severe aggradation of the lower weihe river bed is mainly caused by the increasing riverbed elevation at tongguan after the construction of the sanmenxia dam ; 3 ) the main reason leading to the increasing riverbed elevation at tongguan is the unreasonable operation of the sanmenxia reservoir ; 4 ) the rate of the riverbed aggradation at tongguan reach and the lower weihe river reach are speeded by adverse condition of incoming water and sediment recently

    然後以實測資料為基礎分析研究了三門峽建庫前後潼關高程的變化規律以及渭河下遊河道的沖淤演變規律,分析研究表明:建庫前渭河下游主槽處于動態沖淤平衡狀態,灘地處于微淤狀態;建庫后,渭河下遊河道發生嚴重淤積主要是由於潼關高程的抬升造成的;潼關高程的抬升主要是由於三門峽水庫的不合理運用造成的,近期不利的水沙條件加劇了潼關河床的抬升速度和渭河下游的淤積。
  9. However, according to ann ' s theory, making use of visual basic development tool, friendly - interface single output three layers " artificial neural network generator base on improved bp algorithm has been developed by the author, and after constructing the model, the value of d _ ( cmax ), finally the gross bed - load transport rate of non - uniform sediment with a wide distribution in flume experiment of stead sediment transportation have been forecasted

    筆者採用的途徑則是根據人工神經網路理論,利用vb開發出界面友好、基於改進bp演算法的多輸入單輸出三層神經網路生成器軟體,並採用該生成器建模,對平衡輸沙狀態下的水槽輸沙試驗的d _ ( cmax )和總輸沙率進行預測計算。
  10. 3. the transformation rate of pollutants in sediment the main source of organic matters of wetlands is the residua of reed and wild rice

    污染物在溝渠濕地底泥中的轉化率濕地有機質的主要來源是蘆葦和茭草殘株的分解。
  11. The problems from sediment discharge for de - siltation and the relative stability of fiver channel can be solved through the study on the main indexes such as flow rate, silt concentration and etc. based on the analysis of sediment - carrying capacity of flow and the law of river channel evolution

    在分析水流挾沙力和河槽水力形態規律的基礎上,研究調水調沙的流量、含沙量等主要水沙指標,可以解決河道輸沙減淤和河槽相對穩定問題。
  12. An expression is derived using basical concepts of physics ( i. e. mass conservation ), to define the relationship between sediment transport rate and vertical flux of sediment to the seabed

    從基本的物理概念和物質守恆定律導出了海底沉積物通量的計算表達式,應用該式取得了與實際海域相符的海底沖淤分布圖。
  13. The field surveys and lab experiments tvere designed to study the distribution and source of pah " poliution in x " ater, sediment ; the pah " concentration and distribution in marine fish organ ( of the fish lateolabimjapo ) 1iclls and pagivsonills inajor ) ; the pah " bcf factors of liver and bile in marine fish ( laleolabral jtwo ) 1itits and pag7vso ) ) ills ) ) 1ajbr ) ; the reiationship between pah " exposure and biochemicai response ( cat sod, lpo ) and the metabolic rate of naphthalene and pyrene in fish bile

    4優化了魚膽汁中1 ?羥基萘和1 ?羥基芘的熒光分析方法,測定了1 ?羥基萘和1 ?羥基芘在鱸魚、真鯛膽汁中的含量,探討了萘和芘在魚膽汁中的代謝比率、清除作用。結果顯示: ( 1 )膽汁中萘的代謝比率低,易蓄積;而芘的代謝比率高,易清除。
  14. ( 2 ) a series of experiments on time scale distortion are made with real river model, inflow and outflow boundary condition, and continuous simulation. by means of analysis of the experimental data on model water level, water - surface gradient, cross velocity, outflow discharge process and the sediment transportation capacity, the main physical reasons for the above hydraulic parameters deviations caused by time scale distortion are illustrated : response delay of model channel storage capacity and rate of water level with time

    ( 2 )採用真實的河工模型和入出流邊界控制條件以及連續模擬的方法進行了有關時間變態率的系列試驗,通過模型水位、比降、流速、出口流量過程線和斷面挾沙力試驗資料的分析,闡明了時間變態引起上述各種水力參數偏離的主要物理原因:模型的槽蓄響應和洪水過程時間變化率的響應滯后。
  15. So far as the alluvial fiver is concerned, the sediment - carrying capacity of flow and hydraulic geometry of river channel can be regulated by regulating the composition of flow rate, silt concentration and sediment ( water and sediment regulation ) during water and sediment discharge ; with which the relative balance for water and sediment discharge and the river channel evolution can be obtained

    摘要沖積性河流的河床在輸水輸沙過程中,調節流量及含沙量和泥沙組成(調水調沙)可以調節河床水力幾何形態和水流挾沙力,追求水沙輸運和河床演變的相對平衡。
  16. The application study of improved bp algorithm in sediment science - using two set of experiment data mentioned above, the value of d _ ( cmax ) and gross bed - load transport rate in non - uniform sediment with a wide distribution in flume experiment of stead sediment transportation have been forecasted by ann generator

    改進bp演算法在泥沙科學中的應用研究?將收集整理后的兩次水槽試驗實測資料作為數據來源,利用生成器生成網路對水槽平衡輸沙試驗中的最大起動粒徑和總輸沙率進行預測。
  17. The distributing patterns of the eulerian residual currents of the four major tide constituents ( i. e. m2, s2, ol and kl ) imply that fine - grained sediment transport over the central mud of the northern yellow sea is weak. the eulerian residual currents of kl and s2 respectively form an anti - clockwise eddy near the coastal mud - deposit area of northern shandong peninsula, which may increase the deposition rate of mud

    各分潮歐拉余流總的分佈趨勢表明北黃海中部泥區細顆粒沉積物輸運的量值很小, k1和s2分潮歐拉余流各自在山東半島北側近岸泥質區形成的順時針渦漩可能促進了該處的泥質沉積。
  18. Finally the formula of unit sediment rate of density flow in xiaolangdi reservoir has been pointed out and the data of other reservoirs has been verified

    最後,給出了小浪底水庫異重流單寬輸沙率公式,並得到其它水庫資料驗證。
  19. Except hydropower wash, another important cause of the difference is that shallow stratum soil mass bulk movement make local shallow surface sediment fill deep water bottomland, so slow up the deep rate of deep water bottomland

    這種差異除水動力沖蝕外,另一個重要的原因是淺地層土體塊體運動使局部淺水區表層沉積物向深水窪地填充,減緩了深水窪地加深速率。
  20. This paper was set out from the analysis on depth changes and evolvement of washing out and filling out in mawei of fuzhou harbor, the evolvement characters of harbor basin were summed up. there is no relationship between the flow and sediment rate from upper reach and sedimentation, which was closely linked with flow changes and caused directly by tramquill flow under the secure of dama reef

    ( 2 )通過對馬尾萬噸碼頭港池沖、淤演變以及與洪枯季節關系分析,認為港池的沖淤變化與上游來流量及來沙有一定關系,但更主要的是受碼頭附近河道局部水流條件的影響,後者是造成港池淤積的主要原因。
分享友人