時堰 的英文怎麼說

中文拼音 [shíyàn]
時堰 英文
shiyan
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 堰 : 名詞（較低的擋水建築物） weir
  1. This paper introduces the surface forming technology for pocket concrete overflow weir, analyzes and compares construction technique for two types of gate and built - in parts, and presents rating methods for concrete samples when they are less than 30 groups

    摘要現介紹了小型混凝土溢流堰堰面成型工藝，分析比較了兩種閘門埋件施工工藝，提出了數量不足30組時的混凝土試塊評優的方法。
  2. Discusses the optimizing process of treatments of the main technical problems, which include the construction schedule, the field plan and t he balance of earth and rock works, method of the river closure and cofferdams sections, procedure and time of the river colsure, form of the cutoff, construct ion of the cut - off walls

    論述了三峽大江截流及二期圍堰實施過程中的施工進度計劃、料場規劃與土石方平衡、截流方式與圍堰斷面形式、截流進占程序和時段、防滲形式、防滲墻施工等主要技術問題的優化完善過程
  3. It elucidates the grade and layout of the construction diversion structures, testifies the technical rationality and economic advisability that the alternative of the cofferdam uses to dam up the discharge ( p = 10 %, q = 275. 2m3 / s ) during the post - flood period, was made by hydraulic calculation, structural design, investment comparison, progress analysis and investment risk analysis

    文中說明了施工導流建築物的等級、水工布置。通過水力學計算、結構設計、導流方案投資比較、進度分析和投資風險分析，說明了四湖溝水利樞紐工程採用圍堰擋汛后時段洪水導流方案的合理性和經濟性，為施工決策提供理論依據。
  4. Brief report on second excavation of chayanchong site in jingmen

    荊門叉堰沖新石器時代遺址第二次發掘簡報
  5. The effect of gas rates, liquid flow - rates, downcomer width, weir height and the addition of surface active agent on the liquid mean residence time, t, effective diffusion coefficient, de, and froth height, hf were studied. results obtained showed that for two systems, the t in the downcomer of ctst plate is 20 - 50 % smaller than that of fl valve plate, and the de is 40 - 70 % smaller than that of fl valve plate

    通過對氣速、液體流量、降液管寬度、堰高和表面活性劑加入的影響進行分析得出下面結論：在相同的操作條件下，對于兩種物系， ctst塔板降液管的液體停留時間比f1浮閥塔板的約小20 50 ，有效擴散系數比f1浮閥塔板的小40 70 ，泡沫高度低110 150mm 。
  6. The proportions and performances of plastic concrete of some cut - off walls at home and abroad, the proportion of self - congealing slurry used in the cut - off wall of third stage cofferdam of three gorges project, mechanics properties of expansive soil slurry and harden clay mortar, and proportions of hardened slurry are introduced

    列舉了國內外部分防滲墻工程塑性混凝土基本配合比及性能參數；國內自主研發的自凝灰漿墻體材料及應用於三峽工程三期圍堰防滲墻的配合比；固化灰粘土漿、膨潤土漿的物理力學性能及固化灰漿採用不同制攪方法時的配合比。
  7. Abstract : the steel cofferdam used for the construction of the main pylon of junshan changjiang river highway bridge is designed as a combination of circular - form and special form in one unit to satisfy the different requirements in different construction - stages

    文摘:武漢軍山長江公路大橋主塔墩鋼圍堰巧妙地將圓形和異形結構結合在一起，以滿足不同施工時期的需要。
  8. In this paper, by way of example of the elevated pile cap construction of sanmenjiang bridge in liuzhou city, the design and construction of the column steel boxed cofferdam of tensile and compressive type are introduced with particular details given to its design scheme, working principles, construction technology and construction key points, and the matters of attention in the construction with the cofferdam are expatiated as well

    以柳州市三門江大橋高樁承臺施工為例，介紹拉壓柱式鋼吊箱圍堰的設計與施工，重點介紹鋼吊箱圍堰的設計方案、工作原理、施工工藝及施工要點等技術細節，同時對鋼吊箱圍堰施工中的注意事項進行了闡述。
  9. Beijing - chinese engineers tuesday blew up a temporary barrier used during construction of the three gorges dam, unleashing the full force of the yangtze river upon the world ' s largest hydroelectric project

    周二中國工程師爆破拆除三峽大壩建設工程的臨時圍堰，世界最大的水力發電工程三峽大壩開始接納全部長江江流。
  10. The implying environmental substitute indicators are carbonate carbon and oxygen isotopes and so on. the main conclusions drawn from this paper are as follows : ( 1 ) the ancient climate evolution, from twenty - two thousand to ten thousand years before present, diexi, minjiang river, is from dryness to wetness and can be divided into six phases and two periods by analyzing the ancient barrier lake sediments through multi - environment indicators, and its evolution cycle is three thousand years or so

    主要得出以下幾點結論： （ 1 ）通過利用多環境代用指標對岷江疊溪古堰塞湖沉積物的綜合分析得出，岷江疊溪地區距今約22千年至10千年間的古氣候經歷了乾旱濕潤乾旱的演化過程，演變周期大約為3千年，並將其劃分為六階段、兩時期。
  11. Article 20 the ditches, dikes and other relevant buildings which are interdependent with urban roads shall be managed by the authorities to which such facilities have greater utility after consultation among authorities concerned about the utility

    第20條（與道路相依賴之水圳提堰等之管理）水圳、堤堰及其他有關建築物，與市區道路發生互相依賴作用時，由各該主管機關就效用大小會商，劃交效用較大方面管理之。
  12. ( 2 ) validate whether the crest elevation can meet the require of energy dissipation and erosion prevention during the beginning period of flood discharge. ( 3 ) calculate the altitude of downriver cofferdam, and make it meet the require of energy dissipation and erosion prevention. ( 4 ) calculate some average velocity of flow through some sections, including contracted section in stilling basins behind upriver cofferdam, if the hydraulic jump happen in lower reaches of the river. the program will calculate the average velocity of flow of contracted section and the length of the apron

    主要設計內容包括：計算上游圍堰后消力池的尺寸；驗證泄洪初期壩面高程是否能夠滿足消能防沖需要；計算下游圍堰堰頂高程，使其滿足泄洪期圍堰和壩體過流的消能防沖和工程進度的需要；計算部分斷面平均流速，包括：上游圍堰后消力池中收縮斷面的斷面平均流速；壩首和壩末的斷面平均流速；當下遊河道發生水躍時，計算下遊河道的收縮斷面平均流速及需要鋪設護坦的長度。
  13. Applying the energy equation and boundary layer theory, this article also analyzed the relationship of energy transformation of overflow, and obtained the experience index and formula of instability critical conditions

    並應用水流能量方程和邊界層理淪，研究了圍堰過水時的水流能量轉換關系，得到了穩臨界條件的指標和經驗判別式。
  14. This paper presents an optimized computer program to analyze different factors that will affect for energy dissipation and erosion preventation which is especially important in design of cofferdams. the graphic in this paper also show the manner and degree of the effect that caused by these factors

    同時，本文還利用該優化計算程序對文中所分析到的影響圍堰和壩體過流的各種消能防沖因素進行了驗證，以圖表的形式更進一步的說明了各種因素的影響方式和程度。
  15. ( 3 ) the forming wrapping structure because of interlayer between silt and clay at the transition part from the fourth layer to the fifth layer in the sediments section. according to this, intense change of the geoenvironment in this area at the period of filling up of the ancient barrier lake is presumed

    （ 3 ）通過在沉積物剖面的第四層到第五層過渡的部位可以看到粉砂土層和粘土土層相互滲透而形成的包卷構造，推測古堰塞湖淤積時期內該區域的地質環境發生了重大改變。
  16. Through the analysis on the process of change claim on construction of temporary cofferdam for the downstream leading channel of jinghong hydropower station, the full process of how to make the application for change of construction project based on the change between the actual construction condition and the construction condition during bidding and how to realize the approval of the quotation of contract change is described herein for the construction enterprise, and then some viewpoints on the management and utilization of the relevant talent resources are put forward as well

    摘要工程索賠是一項知識和技術面很廣，復雜而又系統性很強的工作，文中通過分析景洪水電站下游引航道圍堰變更索賠過程，說明施工單位如何根據實際施工條件和投標時施工條件的改變，提出變更立項申請，實現變更報價審批的過程，同時在人才資源的管理和利用上提出一些見解。
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