重力頂出 的英文怎麼說

中文拼音 [zhònglìdǐngchū]
重力頂出 英文
gravity ejection
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 頂 : i 名詞（人體或物體的最上部） crown; peak; top Ⅱ動詞1 （用頭支承） carry on the head 2 （從下面拱...
  • 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
  1. 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。
  2. Based on the method of limitation analysis of soil plasticity, researching from the soil arching mechanism of soil - nailing retaining, the upper limit of the critical height of soil - nailing slopes and the minimum horizontal length from coping of the potential slide surface to the edge of deep excavation are obtained through the analysis to weight of soil and vertical loading and the mechanism of soil and soli - nailing acting reciprocally

    摘要基於土的塑性極限分析方法，以均質土坡為例，從土釘支護結構的準粘聚力理論出發，綜合考慮土體自重、坡頂的條形荷載，以及土釘與土體的相互作用的機理，推導出了土釘支護的臨界高度的上限值和潛在螺旋曲線滑動面在坡頂方向距基坑邊沿的最小水平距離解析表達式，可供基抗支護設計參考。
  3. Based on research of theory and methods, this thesis presents design scheme of the dynamic fault tree analysis platform dfta and implement the platform ; practices a dynamic fault tree analysis example of boeing 707 plane engine oil indication system and alarm system on the platform and gets top event occurrence rate 、 minimal cut sequence 、 probability importance sequence 、 structure importance sequence and critical importance sequence and presents system improvement suggestion based on the analysis results

    在理論方法研究的基礎上，本文提出了動態故障樹分析平臺dfta的設計方案，並進行了實現;利用該軟體對波音707飛機發動機滑油壓力指示和警告系統進行了動態故障樹實例分析，得到了頂事件發生概率、最小順序割集、概率重要度排序、結構重要度排序、關鍵重要度排序等分析結果，並根據上述分析結果提出了系統設計改進建議。
  4. The emphasis is given on the studying of the horizontal displacement on the retaining structure consist of piles and anchors, which is a frequent type of retaining structure. it is founded that the rigidity of anchors and magnitude of pre - stress are the main factors which influence the deformation of retaining structures. the optimal design method on pile - anchor systems is presented

    樁錨支護是一種常見的基坑支護模式，本文以樁錨支護結構水平位移為重點，對支護結構剛度、支撐剛度與預應力、支護樁入土深度等對樁頂水平位移的影響進行了分析，指出在樁錨支護體系中，錨桿支撐剛度及預應力對基坑變形的影響最為明顯，並通過工程實例加以驗證。
  5. And the procedure of solving initial prestress by equilibrium matrix theory and simplified method are elucidated. the self - stress mode of sunflower - patterned cable dome must be positive, and the mechanisms mode equals to zero. it seems like statically indeterminate structures and is geometrical stable structure

    明確了葵花型索穹頂結構形態分析的具體內容；闡述了用平衡矩陣理論和簡化演算法求解索穹頂結構初始預應力的過程，指出葵花型索穹頂結構的自應力模態s 0且機構位移模態m = 0 ，相當于結構力學中的超靜定結構，同時它也是幾何穩定的結構；提出了考慮結構自重時葵花型索穹頂結構初始預應力的求解方法，這種方法求得的初始預應力更加準確。
  6. It indicates that setting load of front leg and front leg - to - wall distance and load - bearing waste shield have important influences towards tip - to - face roof stability, results have been proved by the example analysis

    研究指出支架前柱初撐力、支架前柱到煤壁距離、掩護梁受載等參數對端面頂板穩定性有重要影響，結論在現場得到了驗證。
  7. On the basis of detailed comparison and analysis, the paper proposed ways of using the k2 bogie and hdsa light - duty solid wheel, getting through the partition wall, canceling the longitudinal sill of the roof and decreasing the thickness of the board where the value of stress is low, using high intensity steel, increasing section dimensions of center sill and side sill, to improve the whole carrying capacity

    本文在比較分析的基礎上，提出了裝轉k2轉向架，採用hdsa輕型碾鋼輪，打通隔墻，取消車頂縱向梁，在應力小的部位減薄壁厚的減重對策；採用高強度耐候鋼，加大中梁、側梁的截面尺寸等措施，提高車輛的承載能力。
  8. 1. introduction along with chinese economical rapid development, railroad construction changes with each new day as chinese economical aorta. railroad line unceasingly extends as well as subway line and light axle which unceasingly develops in the urbanized construction expands constructs if the chinese in recent years various railroad locomotive 、 freight vehicles 、 passenger trains 、 subway productions are more and more. because length and width of these vehicles compartment is dissimilar, how to design one kind of multi - purpose locomotive compartment weighting installment which can weight each kind of compartment and definite its center - of - gravity position has the very important effect on the vehicles production. this article carries on a series of discussions and the research on how to the multi - purpose compartment weighing installment

    該文以千斤頂、壓力傳感器、位移傳感器、 xy工作臺、微機及驅動控制電路等構成的一個多輸入多輸出的自動稱重系統為研究對象，以設計過程為主線，進行深入的分析: 1對步進電機和xy工作臺進行深入分析，設計出稱重平臺，通過計算機控制來實現千斤頂的平穩移動，利用c + + bulider軟體設計出電機控制界面，向界面輸入電機控制參數值控制各個千斤頂的移動。
  9. The numerical simulations show the complete airflow pattern around the tested car. this external flow is very complicated because of the geometric complexity of the car body shape and the interaction of the car with the ground

    計算值與文獻值在汽車的前部是重合且一致的，而在汽車頂部卻出現了一些偏差，兩者的壓力系數曲線走勢是基本一致的。
  10. Which often produces some unexpected problems, such as prolonging time limit of project, increasing engineering quantities and cost, etc. through test on the site, dynamic value analysis, finite element unit method, the paper researchs construction technology of in - situ pile, transfer theory, thickness of supporting layer of head slab and depth of pile in karst area, provides some important conclusions, directs effectively the design and construction of this kind of projects

    但因溶洞的分佈規律性差，現有勘探手段難於事先查明它的準確位置及大小，因而常常給施工帶來意想不到的問題：工期延長、工程量增加及工程費用增加等。本文通過現場試驗、理論計算和有限單元分析，對巖溶地區鉆孔灌注樁的施工工藝、荷載傳遞機理、持力層頂板厚度及嵌巖深度等方面進行了較為系統的研究，得出了一些重要結論，有效地指導了該類工程的設計和施工。
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