scour for 中文意思是什麼
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Cameo master carvers and modern lapidaries flourish along with rough - stone dealers who scour the world for the latest gem discoveries for export
寶石原石交易商在世界各地找尋最新的寶石，以來滿足浮雕瑪瑙雕刻大師和當代寶石藝術家們的需求。 -
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。 -
For a single plunging jet, two optimization models are respectively introduced according to the jet trajectory distance and the depth of scour pool, and the optimal computation of the jet trajectory distance in xiao - wan project demonstrates that these models are reasonable ; 5
對于單股挑流消能水舌，以挑距和沖坑深度為控制目標，分別首次建立了優化數學模型，並通過對小灣拱壩單孔挑流水舌的計算，說明所提出的數學優化模型是可用的； 5 -
In structural engineering, hydraulic concrete is often used for the construction of a cyclical bear or fresh water, sea water or ice scour, erosion, and the knock - on effect on the permeability of concrete used hydraulic structures, it has special requirements and regulations
摘要在工程結構中，水工混凝土是用以修建經常或周期性的承受淡水、海水或冰塊的沖刷、侵蝕、滲透和撞擊作用的水工建築物所用的混凝土，其有特殊的要求和規定。 -
Numerical model for deposition and scour of sediment in zhangfeng reservoir
察爾森水庫泥沙淤積分析 -
Based on experimental result of energy dissipation and scour protection for downstream of spillway at yu jian kou power station, this paper discusses the flow characteristics, aerated characteristics of flaring gate pier for low dam pivot, the influence on pressure of dam surface and the result of energy dissipation for flaring gate pier. it is put forward to be an available method to solve the problems of energy dissipation and scour protection for depth of covering strata, poor geologic condition and weakness of resistance to scour capability under reasonable use of flaring gate piers and auxiliary dissipaters. thus, a new method is obtained for release of floodwater and energy dissipation of low dam pivot which are provided with low water head, great unit discharge and low froud coefficient. it may be used for reference for design and test workers
結合魚劍口電站壩下消能防沖試驗研究成果，對低壩樞紐寬尾墩的水流特點、摻氣特性、寬尾墩對大壩泄流能力和壩面壓力的影響以及寬尾墩的消能效果等問題進行了初步探討，提出了合理地使用寬尾墩結合輔助消能設施可有效地解決壩下覆蓋層深，地質條件差，抗沖能力弱的低壩樞紐的消能防沖問題，從而為具有低水頭，大單寬流量，低佛氏數特點的低壩樞紐泄洪消能開辟了一條新途徑，可供有關低壩樞紐設計與試驗工作者借鑒與參考 -
And yet, as our special report in this week ' s issue argues, if you scour the region for china ' s firm friends it is hard to find them
然而，正如我們本周特別報道所主張的那樣，你想在這個地區找到一位中國堅強的朋友非常困難。 -
The method established by the experiments not only gives mechanism of dymamics scour cd pipelines on the sandy bottom but also provides reference basis for concept phase design of sub - ses pipelines
由這項研究所建立的方法不僅給出了管道下砂基動態淘蝕的機理，而且可為海底管道的概念設計提供參考性依據。 -
The scour and silting situation of the reversed equalizing pond of shimen hydropower station and the capacity of regulating volume after the flexible dam restored are expounded, the operation mode for shimen reservoir is put forward
根據實測結果，闡明了石門電站反調節池沖淤形態和橡膠壩恢復后的水量調節能力，提出了石門電站運行調度的基本模式。 -
Two metre long monitor lizards scour the shallows for frogs and small fish and dig up the nests of crocodiles to prey on their eggs
居住在阿瑪遜的巨型水獺，喜歡在水流緩慢的河流活動，因為那裡的環境最為有利於?們的飲食習慣和身體構造。 -
It now has a unit devoted to doing those things and a team of scientists whose job is to scour the internet and scientific publications for breakthroughs p & g may be able to use
寶潔現在有個部門專門做這些事，還有一個科學家團隊負責搜索網際網路和科學刊物，看寶潔可以利用哪些科技突破。 -
For example, after the collapse of ditong dam in idaho, may 5, 1976, it was found that it was not impervious very well, the impervious curtain was built poorly. when the seepage went through the impervious curtain, the exit water from the pervious material of the downstream or the right side of dam through the foundation or certain line between the foundation and the dam caused contact scour and piping
如美國愛得華州提堂壩於1976年5月5日潰決，事後調查分析，因壩基透水性大，防滲帷幕施工質量差，滲流穿透帷幕，經地基或地基與壩的接觸面從壩體下游側透水料區逸出或從右壩肩繞滲經下游壩體逸出，出逸的水流引起了接觸沖刷和管涌，導致潰壩。 -
Prepared technical parameters were optimized by l9 ( 34 ) experiment analysis. a unique method for cleaning and drying of substrate - cleaning used by scour, drying used by infrared light was fished out by large numbers of experiment. chemical mechnism of zno thin film prepared by sol - gel technique was discussed by dta for the first time. by the measurements of sem, xrd and uvs, the thin film was analysed. the result proved that the thin film with strongly preferred orientation of c - axis perpendicular to the substrate surface which surface was homogenous, dense and crackfree was the crystalline phase of hexagonal wurtzite. the thin film was composed of plentiful asteroidal crystal which crystal dimension approximately 10 30nm. the average transmittance of thin film in visible region was above 90 %. the results of measurements else also proved that the thickness of single dip - coating was 75 240nm, this films resistivity was found to be 3. 105 102 3. 96 105 ? cm. the thickness and resistivity of thin film influenced by dope - content, withdrawal speed, pre - heat - treatment, anealing were reseached respectively
利用xrd 、 sem以及uvs光譜儀等分析方法對薄膜進行了研究，結果顯示，所制備的薄膜為六方纖鋅礦型結構，具有高c軸擇優取向性；表面均勻、緻密，薄膜材料由許多星狀晶粒組成，晶粒尺寸大約為10 - 30nm左右；薄膜可見光透過率平均可達90 % ；對薄膜厚度以及電學性能進行了測定后發現：單次鍍膜厚度約為75 - 240nm ， al ~ （ 3 + ）離子摻雜型氧化鋅薄膜的電阻率在3 . 015 102 - 3 . 96 103 ? cm范圍內；分別研究了摻雜濃度、提拉速度、預燒溫度、退火溫度等工藝參數對薄膜厚度和電阻率的影響。 -
But as the technology behind forensic science advances, experts caution forensic scientists must take extra care to ensure they scour crime scenes for all possible clues, and that forensic analysis is not overplayed in the courtroom
但是專家告戒隨著法醫科學相關技術的進步，法醫科學家必須特別小心保證他們能在犯罪現場搜索到所有可能的線索，法醫分析在法庭上的作用不能被誇大。 -
He never could go after even a turnip - cart but he must have the swords and guns all scoured up for it, though they was only lath and broomsticks, and you might scour at them till you rotted, and then they warn t worth a mouthful of ashes more than what they was before
他連一輛裝蘿卜的車子都對付不了，卻非得把刀槍全都擦洗好，準備一切。其實刀槍不過是薄木片和掃帚把，你再擦，擦得累死累活，這些東西原本是那個料，不過是一堆灰燼罷了。 -
Abstract : for high arch dams in valleys with the characteristics of high water head, large discharge and large power, the problems of energy dissipation and scour prevention are serious. based on scientific studies, new comprehensive measures are proposed, including dispersion of discharge to waken wallop of the current, and reinforcement of riverbed to enhance the erosion - resistance. the measures can be used to solve the problem of energy dissipation properly. a typical layout scheme has been proposed in which slotted bucket with diversion teeth, double deck with pores, and cushion pool are considered practice has proved that the scheme is reliable and the effect of energy dissipation is obvious
文摘:高拱壩泄洪消能的特點是壩高落差大，流量大，功率大，位於河谷狹窄地區，泄洪消能與防沖問題突出.經科學研究，採用「分散泄洪，削弱水流沖擊力，加固河床，增強河道抗沖能力」的綜合治理措施，較好地解決泄洪消能布置問題.提出了表孔大差動坎加分流齒、雙層多孔、水流撞擊、下設水墊塘聯合消能的典型布置方案，經實踐證明，方案可靠，消能效果好 -
On the basis of on - the - spot investigation and information, this article puts forward the stratum separation scheme and field criterion for projects in gansu loess areas ; presents the geological structure model of the natural slope in this area for the first time ; counts and analyses the parameter of the loess ; analyses the stability of loess cut with the method of ultimate balance and finite element ; recommends different transect forms for the cut subgrade in gansu ' s loess areas ; evaluates these forms with grey system theory concerning stability, economy and anti - scour capability ; finally, puts forward the design method and procedures of reasonable heavy cuts transect
本文通過大量的現場調查和資料收集，提出了甘肅省黃土工程地層劃分方案和野外判定標準；首次提出了甘肅省黃土自然邊坡的不同地質結構模型；統計和分析了甘肅省黃土的土性參數；運用極限平衡法和有限元法對黃土路塹高邊坡穩定性進行了分析；推薦了甘肅省不同黃土地區路塹高邊坡的斷面形式，並結合穩定性、經濟性和抗沖刷性能，應用灰色系統理論對其進行評價；最後，提出了黃土路塹高邊坡合理斷面設計方法和設計步驟。 -
Based on the numerical simulation for the large - diameter cylinder pile ' s 3d - circumferential flow under wave - flow co - function b using fvm, this paper analyzes the complicated 3d - torrent near the large - diameter cylinder pile, and gives the 3d - flow distribution, the stress distribution on the surface of cylinder pile and in the bed near the cylinder pile, furthermore, analyzes local scour of wave flow in the bed near the cylinder pile
摘要通過應用有限體積法對在波流共同作用下大直徑圓柱繞流現象進行三維數值模擬，對圓柱體局部復雜流動進行了三維湍流計算分析，給出了三維流場、圓柱體表面及其所在局部底床床面應力分佈，並在此基礎上對圓柱體所在底床的局部沖刷進行了初步分析。 -
According to the similar rule, a movable bed model for downstream channel and the particle size distribution of the model silt in the channel and the scour hole are designed. a theoretical method of size distribution in the scour hole is devised
根據模型律設計了太平灣尾水渠動床模型，分別確定了河床中和沖刷坑中模型沙的配比，並對沖坑中的床質級配進行了理論推導。 -
Abstract : based on experimental result of energy dissipation and scour protection for downstream of spillway at yu jian kou power station, this paper discusses the flow characteristics, aerated characteristics of flaring gate pier for low dam pivot, the influence on pressure of dam surface and the result of energy dissipation for flaring gate pier. it is put forward to be an available method to solve the problems of energy dissipation and scour protection for depth of covering strata, poor geologic condition and weakness of resistance to scour capability under reasonable use of flaring gate piers and auxiliary dissipaters. thus, a new method is obtained for release of floodwater and energy dissipation of low dam pivot which are provided with low water head, great unit discharge and low froud coefficient. it may be used for reference for design and test workers
文摘:結合魚劍口電站壩下消能防沖試驗研究成果，對低壩樞紐寬尾墩的水流特點、摻氣特性、寬尾墩對大壩泄流能力和壩面壓力的影響以及寬尾墩的消能效果等問題進行了初步探討，提出了合理地使用寬尾墩結合輔助消能設施可有效地解決壩下覆蓋層深，地質條件差，抗沖能力弱的低壩樞紐的消能防沖問題，從而為具有低水頭，大單寬流量，低佛氏數特點的低壩樞紐泄洪消能開辟了一條新途徑，可供有關低壩樞紐設計與試驗工作者借鑒與參考
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