河流中線 的英文怎麼說

中文拼音 [héliúzhōngxiàn]
河流中線 英文
midstream
  • 河 : 1 （天然的和人工的大水道） river 2 （指銀河系） the milky way system; the galaxy 3 （特指黃河） t...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 河流 : rivers; stream
  1. Towards the research on two flood water of yuhe river in datong city during 2004, by measuring and comparing their discharge, sediment concentration 、 nutrient include organic, phosphorus, potassium, azote, the result shows that the nutrient content of the sediment is greatly larger than that of supernatant fluid

    摘要以2004年大同市御河乾渠兩場洪水為研究對象，對其流量、含沙量、養分（包括有機質，氮，磷，鉀）做了測定和比較，研究結果表明：洪水中下層泥沙中的養分含量遠大於上清液中的養分含量；洪水中整體養分含量隨著含沙量的增大而增大，並且養分含量和含沙量呈近似線性關系。
  2. The sinuosity or sinuosity ratio of a stream is expressed as the ratio of the length along the center line of the stream to the length along the valley.

    一條河流的彎曲率或彎曲比，是以沿該河中心線與沿其河谷長度之比來表示的。
  3. When catchment area, average channel gradient and catchment shape factor of designed culvert or bridge are known, a user can be convenient to get local parameters c, e and b from standard contour charts and easy to calculate flood flow just by a calculator. design period of flood flow is enormously shortened as well as a high precision. estimated flood flow through culvert or small bridge by new calculation model is generally less than by traditional methods, so that much cost is cut down a s reducing the span of culvert or small bridge

    以75000km ~ 2的川中丘陵地區為試點研究區，繪制了該地區新模型的參數等值線圖，率定了不同設計頻率的改正系數，使設計者只需在地形圖上獲取集水面積，河道平均坡降和流域形狀系數，在參數等值線圖上查得橋涵所在地的相應參數，使用計算器即可迅速計算出設計流量，大大縮短了設計周期，且精度較高，設計的洪水流量一般低於傳統方法，從而可減小橋涵跨徑，節省投資。
  4. 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。
  5. All the methods can calculate the flood based on the storm data. the software can be used in henan province. additionally, the rational formula method and the plain drainage method can be used in other regions near henan province, even farther regions

    軟體包括推理公式法、單位線法、平原排澇公式法三種由暴雨資料推求設計洪水的計算方法，除了適用於河南省中小流域設計洪水外，推理公式演算法、平原區排澇公式演算法也可在鄰近省市和更大的范圍內推廣使用。
  6. Our factory exclusively deals in exporting fishing implements in china. we specialize in producing various fishing net, lines, ropes, floats, fishing baskets, fishing hooks and other fishing implements with the trade, mark " fish brand ", and our products have a long history, they are of large varieties with all specifications, and are easy to handle for fishing operations either in deep or shallow water sea, river, pond, or lake

    我方工廠在中國專門經營出口漁具，我方專業長于生產不同種類的漁網，線，繩，浮子，漁籃，漁鉤和其它貿易的漁具，商標"漁牌" ，我們的產品有很長的歷史，它們有不同種類的規格並且很容易操做，不論在深海或淺海海洋，河流，池塘或者湖
  7. All white save the river, that marked its course by a winding black line across the landscape ; and the leafless trees, that against the leaden sky now revealed more fully the wonderful beauty and intricacies of their branches

    在?片白茫茫之中，只有河流在美麗的畫面上劃出一道曲曲彎彎的黑線，還有那葉兒落凈的樹木，映襯著鉛灰色的天空，此刻更顯得枝丫交錯，姿態萬千。
  8. The approaches establish a relationship between monthly precipitation abnormality and monthly circulation, soil moisture and temperature on the shallow and deep layers. the relationship is the precipitation diagnostic equation and its coefficients and dimensions are determined by using the observed data of huai river basin. then we select the main soil moisture and temperature attributing factors by the dimensional analysis to establish a forecasting equation of summer precipitation over huai river basin with the statistic approach

    通過將大氣中的熱量、水汽收支方程與一個簡化的兩層土壤溫度、濕度方程相結合，並依據月尺度大氣環流的演變特徵，推導出月降水距平與500hp月平均高度距平場、土壤深淺兩層溫、濕度的關系；利用臺站觀測資料，使用統計反演方法確定方程中各項的系數和量級，從而找出影響降水的主要土壤溫、濕因子；利用統計方法建立這些因子與淮河流域夏季降水異常之間的簡單線性預報方程，並對1992 - 2000年淮河流域夏季降水趨勢進行回報。
  9. Even now, when the continents have been mapped and their interiors made accessible by road, river and air, most of the world ' s people live no more than 200 miles from the sea and relate closely to it

    時至今日，大陸已在地圖上標出，內地已由道路、河流和空中航線溝通，然而世界上大多數的人仍然生活在距離海洋不超過200英里的區域內，並與其保持著密切的關系。
  10. By use of the model, the gdp change, the benefit per unit water, the water flow into sea and the discharge change of main river section are obtained for beneficial regions of the south - to - north water transfer

    通過模型框架，將水資源系統中的宏觀經濟子系統和水資源子系統相互作用通過內生變量聯接起來，分析南水北調西線工程對黃河流域受水區的影響，得到黃河流域二級區不同配水方案相對于無調水情況的gdp變化、單方水效益、人海水量和主要斷面流量過程變化等。
  11. On 28 august 2000, the guangdong provincial government started to build a closed aqueduct to minimise contamination during the conveyance of dongjiang water to hong kong. mainland and hong kong hoped that in 3 years time, the dongjiang water would remain class ii standard and the problem of contamination from industrial waste along the dongshen catchment would be solved. this construction plan should also include measures to tackle the problem associated with inadequate water in the dongshen watercourse to dilute waste originating from the dongshen catchment

    2000年8月28日，廣東省政府開始在東深供水工程沿線興建密封式水道，中港雙方希望於三年後，輸港東江水能維持ii類原水標準，解決目前東江水受沿運河流域內工業污染的問題，但在興建密封水管工程時，研究沿線河水稀釋及污水處理等問題，仍急待廣東省政府解決。
  12. In practical projects, the boundary shape irregularity of the lake, reservoir, river and estuary area and the non - linear character of hydrodynamic equation make it difficult to get the theoretical solution of the equation, so the numerical solution has to be the only a choice

    由於實際工程中湖泊、水庫、河流、河口區域邊界幾何形狀的不規則，以及水動力學方程的非線性性質，使得理論分析解難以作出，只能求助於數值解。
  13. 4. 1n order to priority meet the water needs of songhua basin and transfer more water to liao basin, in main river model " limiting line " method is used to operate reservoirs

    4 、幹流模型中採用了利用水庫調水限制線的方法對水庫進行調度，以優先滿足松花江流域用水后，再盡可能向遼河流域調水。
  14. Water - supply resource of the middle route project is the dan jiang kou reservoir. arterial channel is used as water conveyance structure through the provinces of hubei, henan and hebei to beijing and tianjing cities

    中線工程是指：近期以丹江口水庫作為水源，以總乾渠自流引水，經湖北、河南、河北，並最終輸水至北京、天津。
  15. Power cable route protection zone : the areas between two parallel lines formed by 0. 75 meters on both sides of the ground mark of underground cable route ; for sea - bottom cables, the zones should be the water surface between the two parallel lines formed by two nautical miles on both sides of the line ( 100 on both sides of the line in port ) and no less than 100 meters on both sides of the line in rivers ( not less than 50 meters for mid - sized and small rivers )

    （二）電力電纜線路保護區：地下電纜為線路兩側各零點七五米所形成的兩平行線內的區域；海底電纜一般為線路兩側各二海里（港內為兩側各一百米） ，江河電纜一般不小干線路兩側各一百米（中、小河流一般不小於各五十米）所形成的兩平行線內的水域。
  16. War is the c onfirmation that the history of mankind, like the river itself, never takes a straight and rational route but p roceeds in fits and starts, takes some steps forward an d tuns back on itself

    戰爭就是人類歷史的見證者，歷史就如同河流，從不會走一條直接的、理想化的路線，它在不規則中流淌，向前邁進幾步，然後自己又倒退一些。
  17. Music is the confirmation that the history of mankind ， like the river itself ， never takes a straight and rational route but proceeds in fits and starts ， takes some steps forward and turns back on itself

    音樂就是人類歷史的見證者，音樂就如同河流，從不會走一條直接的、理想化的路線，它在不規則中流淌，向前邁進幾步，然後自己又倒退一些。
  18. The existing results about scour hole was summarized. experiments was made about the influence of aeration on scour, the dynamic pressure on the original riverbed and the scouring hole bottom, and the influence of aeration on the dynamic pressure and the velocity of submerged jet. scour was simulated by numerical model

    在總結前人研究成果的基礎上，試驗研究了摻氣對基巖沖刷破壞的影響；基巖沖刷過程中沖坑底部脈動壓強隨沖坑深度的增加而變化的特性；摻氣對沖坑未形成前河床底部及基巖沖刷坑底部脈動壓強的影響；摻氣對射流軸線流速變化的影響等。
  19. The middle route project of s - n water transfer is a long route one, crosses 4 basins of the yangtze river, the haihe river, the yellow river, the haihe river, and the engineering geologic conditions differ greatly

    摘要南水北調中線工程線路長，跨越長江、淮河、黃河、海河4大流域，工程地質條件差異較大。
  20. Typical oil - water relative permeability curve, typical capillary pressure curve, typical pvt correlation of fluvial and delta facies in oil field of china and average value of several reservoir parameter are studied statistically in this paper

    統計研究了中國油田河流相與三角洲相的典型油水相對滲透率曲線、典型毛管壓力曲線、典型pvt關系，以及多種儲層參數的平均值。
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