navigation lock 中文意思是什麼

navigation lock 解釋
通航船閘
  • navigation : n. 1. 航行;導航;領航;航海[航空]術。2. 〈集合詞〉船。3. 〈古語〉航路;海上交通。adj. -al
  • lock : n 1 鎖,閂,栓。2 (運河等的)船閘。3 制輪楔。4 【機械工程】氣閘,氣塞,鎖氣室。5 【軍事】槍機。6...
  1. Shipment traffic usually is heavy in littoral area, the navigation capability is required in many riverway. navigation lock was set to suit for the water level ' s variety caused by tide. for a long period, being lack of the quantified assessment on the influence of saltwater intrusion, approaches that freshwater is inpoured to the lock chamber are adopted lest the high concentration salt water be imported to the inland waterway, when the navigation lock is in operation. but such manner should not be reasonale enough

    沿海地區船運發達,很多河道有通航要求,為克服潮汐造成的水位變化而設置船閘。長期以來,由於缺乏對鹽水入侵內河河道產生影響的定量評估,在船閘運行過程中為防止高鹽度鹹水入侵內河,通常採用將內河淡水打入閘室的方式來調節通航水位,船閘的這種運行方式不盡合理。
  2. Finally, the renovate of dong gou lock improve navigation circumstance of vessels and it will minimize ship ' s collision and cargo damage accident and it also has advantage of low cost, low pollution, environment friendly, good view of nearby circumstance and so on. shen wei ( communication transportation ) directed by. answering date : mar 28th 2002

    第三、東溝船閘改造改善了船舶運行條件,將減少過閘船舶的船損和貨損事故;將有利於充分發揮內河運輸運運量大,成本低,污染小的優勢;並能興水利、除水害、防止岸坡坍塌和水土流失,保護耕地,綠化環境,美化景觀,具有良好的社會效益。
  3. Uses and traits of three - dimensional gis were fully comprehended and contrasted, and we completed simulation display and real time information search. flow field situation can be seen through flying route and figures from different direction. raising visibility and simulation level is beneficial to promote the advance of navigation lock hydraulics

    對三維gis軟體的功能特點進行了充分了解和對比分析,並首次將三維gis功能用於船閘引航道水流模擬顯示與信息查詢方面,完成了三維模擬顯示,並進行實時信息查詢,同時可通過飛行路線、不同視角來從各個角度查看流場情況。
  4. At the same time, figures involving attribute data about flow field at inlet and outlet downstream or wave motion of water at the downflow head of lock chamber of siyang navigation lock were displayed through gis application system which we developed. according to data of baoying navigation lock acquired by mathematics model, figures about velocities which have the same value, velocities toward cross direction which have the same value and flow field at inlet and outlet upstream were formed. achievement data, space information and attribute information were in connection with figure so as to search for and analysis the information, which is satisfying

    同時完成了江蘇泗陽船閘下游引航道非恆定流及其改善措施的計算分析研究和寶應船閘上游引航道口門區水流條件計算分析研究,運用gis技術和所設計的gis應用系統對泗陽船閘下游引航道內流場以及下閘首水位波動情況進行信息顯示,根據對寶應船閘的計算結果生成上游引航道口門區等流速圖、橫向流速等值線圖和流場圖,使計算分析成果數據、空間信息、屬性信息與圖形顯示有機結合,便於查詢分析,效果令人滿意。
  5. The miter gate is adopted most widely in navigation lock, whose design is burdensome and heavy

    人字門是船閘閘門最常用的形式,其設計復雜,任務繁重,出圖量大。
  6. 2. the distribution of velocity and concentration field are gained by numerically simulating the pulsed non - steady flow field of riverway equipped with navigation lock, after salt water is drained it into

    2 、對船閘河道的脈沖狀非穩態流場進行數值模擬,得出將鹽水排放入后河道的濃度場和速度場分佈。
  7. The achievement may not only serve as a reference for optimum arrangement of ship lock during the overall layout stage, but also can be considered during dam site choice stage, so as to diminish the difficulty of project layout, and create favorable flow condition for navigation

    不僅可作為樞紐總體布置階段船閘優化布置參考的一個方向,而且在樞紐壩址選擇階段就可以加以考慮,以減小樞紐總體布置的難度及工程量,為船閘通航創造良好的水流條件。
  8. 3. according to specification for the navigation lock, water resources and hydropower engineering specification for design of steel gate, tnech - electric design handbook for hydropower station and with the consideration of the related theories on steel structure, this paper studies the design method and calculation theories of the miter gate. on the basis on above, the plain structure design subsystem is developed with intelligent function

    3 、依據現行的《水利水電工程鋼閘門設計規范》 、 《船閘設計規范》 、 《水電站機電設計手冊》 ,綜合相關的鋼結構設計原理,研究了人字門的平面結構設計計算方法並研製開發了融入智能因素的人字門平面結構設計子系統。
  9. The major work is as following : based on the analysis of signal receiving problems when navigation receiver is in high dynamic circumstance, some typical algorithms such as maximum likelihood estimator ( mle ), extended kalman filter ( ekf ), frequency lock loop ( fll ), digital phase lock loop ( pll ) and frequency extended kalman filter ( fekf ) are deduced

    高動態下面臨著多普勒頻率、多普勒頻率變化率較大的問題,給載波跟蹤帶來了很大困難。本章分析了目前高動態接收機中普遍採用的幾種載波跟蹤演算法,對演算法的性能進行了比較。
  10. This paper introduces the change and claim happened during construction of zhuzhou navigation - power junction ' s lock project, summarizes the control method, procedure and management effect of engineering contract variation and claim, and presents some understandings to contract variation of low - price accepted bids and claim management

    摘要介紹了株洲航電樞紐船閘工程施工過程發生的變更與索賠情況,總結了工程合同變更與索賠的控制方法、辦理程序、以及管理效果,探討了低價中標項目合同變更與索賠管理的一些體會。
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