gravity method 中文意思是什麼

gravity method 解釋
重力法
  • gravity : n. 1. 認真，嚴肅，莊重。2. 重要性，嚴重性；危險性。3. 重量。4. 【物理學】重力，引力，地心吸力。5. 【音樂】（音調的）低沉。
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. In the study of the lumber carrier, one of the very important problem is the in spot and ultimate station due to flooding which will bring tremendous threat to the ship because of the few holds in order to study the lumber carrier buoyancy, stability and longitudinal strength under the condition of flooding, the paper adopt fundamental ship principle and iterative and accumulative concept on the basis of insumersibility theory to detailedly calculate the flooding speed flooding amount front draft after draft stability and longitudinal strength considering the ship " s sinking and inclination which will change the center of gravity and the loading station both in hold and on deck and the effect of flooding and lumber amount in holdo in the last, the paper introduces an example of the actual ship named " fei yun ling " and makes a contrast between not taking measure and taking measure which draws a reasonable conclusion and comes up to some advice the method avoids the cockamamie calculating while insures enough precision the paper draws a conclusion that not all the lumber carrier will submerge when suffering the damaged flooding if the loading or measure is suitable

    為了研究運木船舶在破艙狀態下的浮性、穩性和強度，本文在抗沉性理論的基礎上，運用船舶基本原理，採用了迭代和累計的思想，將船舶的進水過程劃分為很多次進水的積累，詳細計算了運木船在破艙進水的過程中，考慮到各種破艙參數、船舶本身的下沉、艙室內木材、甲板貨的裝載情況和在進水過程中船舶本身的傾斜對進水重心的影響，以及艙室內的進水量和木材對破口處進水速度的影響，船舶總的進水速度、進水量、首尾吃水、穩性的實時狀態和最終船舶的總縱強度，給出了計算實例，並進行了在採取用泵抽水前後浮態參數的對比，得出了該船舶在艙室內的貨物積載量達到某個數值時可以保證船舶在破艙進水時不會沉沒，或者在當開口小於某數值時，採取適當的措施后，可以使船舶避免沉沒。
  2. In this paper, the analytical method of linear stability has been applied to establish the marginal stability criterion of natural convection in porous medium, after considering the action of gravity, centrifugal and coriolis forces together in centrifugal force field

    理論研究的結果表明，當離心力與溫度梯度同方向時，只要滿足ra > 7 . 81 2或ra0 > 4 2 ，多孔介質中即可發生離心力、重力與哥氏力共同驅動的自然對流。
  3. It provides strong basement for the research of design. the method of structure analysis commended by this paper is based on nonlinear finite - element, diathermanous and elasticity mechanics. it found the model of a steel beam pressed by gravity and temperature in the condition of indoor fire

    本文提出的結構分析法是在大量參數分析的基礎上，以非線性有限元、傳熱學及彈性力學為基礎，利用ansys軟體，建立一個鋼框架梁在室內局部火災條件下的傳熱模型與在重力荷載及溫度荷載共同作用下的受力模型。
  4. Energetic materials for defense. physico - chemical analysis and properties. freeness. gravity method

    國防用高能材料.物理-化學分析和性能.由離度.重力法
  5. Based on the same principle of floating stability calculation of rectangle caisson, the moment of inertia of gravity axis of the fan shape is transformed through coordinate transformation formula, and the general formula and calculation method of floating stability for c limier caisson with partition ails are obtained

    摘要引用矩形沉箱浮遊穩定計算的相同原理，把扇形重心軸的慣性矩通過轉軸公式的轉換，再經數學證明，得到帶箱格圓形沉箱浮遊穩定計算的通用公式和計算方法。
  6. Asphalt materials - determination of specific gravity and density - pycnometer method

    石油瀝青比重和密度測定法
  7. Standard test method for specific gravity of soil solids by gas pycnometer

    用氣體比重瓶法測定土壤固體粒子比重的標準試驗方法
  8. Resin finishing agent - testing method for specific gravity

    樹脂整理劑比重的測定方法
  9. Method for determination of specific gravity of foods

    食品的比重測定方法
  10. According to the moving characteristics of tracklayer, when the vehicle is on ramp and the ground ' s vertical pressure is linear, the calculating formulas of relationship between the deviation of the instantaneous steering center, the position of vehicle ' s gravity, steering radius, moving velocity, moving acceleration, and vehicle ' s orientation, were obtained by the theory and method of vector analysis in mathematics and mechanics

    摘要根據履帶式車輛的運動特點，運用數力學中矢量分析理論和方法，推導了接地比壓為線性分佈時履帶式車輛在斜坡上轉向時，瞬時轉向中心偏移量與車輛重心位置、轉向半徑、行進速度、加速度、車輛方位相互關系的計算公式。
  11. When confirming the location of logistics distribution center by using gravity method, it is limited in the actual application, because the location selection method only takes into account traffic cost rate and freight traffic volume

    摘要採用重心法確定物流配送中心的位置，由於選址因素只包括運輸費率和貨運量，在實際應用中受到很大限制。
  12. Standard guide for using the gravity method for subsurface investigation

    重力法探測地下的標準指南
  13. Combined with case analysis, this essay illuminates the actual application of the location selection method based on gravity method and discrete model

    結合實例分析，說明基於重心法與離散模型的配送中心選址方法的實際應用。
  14. For this reason, the discrete model is used to solve the optimized place of distribution center on the basis of getting spare location by gravity method

    為此在用重心法得到備選地點的基礎上，引用離散模型解決配送中心的最佳地點問題。
  15. By using threshold segmentation, edge recognition, pixel labeling and center of gravity method, the accurate sites of every model can be acquired from the image

    綜合運用閾值分割、邊緣識別和像素標記法等圖像識別技術，通過圖像得到每個模型的相關定位信息。
  16. Contraposing issue of how to decide location - selection of depot in yinshan underground, the author used for reference and applied the center - of - gravity method to probe into and settle the issue

    摘要針對銀山井下庫房如何選址決策的問題，作者借鑒並應用重心法探討和解決該問題。
  17. An iron - containing material with an iron grade of over 20 % can be recovered from magnetic separation tailings of liuling iron mine by gravity method. this material can be used instead of partial clayey material to produce portland cement so as to reduce the mine tailings discharge amount to 43. 52 %, to raise the iron recovery from 70. 89 % to 84. 62 % and to reduce the iron ore powder consumption in raw cement mixture and the energy consumption of raw material grinding

    用重選法從劉嶺鐵礦磁選尾礦中回收鐵礦物，可獲得鐵品位大於20 %的含鐵物料，用此物料代替部分粘土質原料生產硅酸鹽水泥，使礦山尾礦排放量減少至43 . 52 % ，鐵的回收率由70 . 89 %提高到84 . 62 % ，並且減少了水泥生料配料中鐵礦粉的用量，降低了生料粉磨能耗。
  18. Modern logistics system simulate optimization this thesis in theory aspect, establish the mathematics model and bring up the calculate way using heuristics method to optimize the right conveyance problem in the simulative logistics system ; solution logistics the center choose problem, make use of the number analysis the method ( center of gravity method ) to proceed the optimization design solution to calculate ; the thesis furthest extrude put great emphasis on the logistics system production total cost had bigness affect and difficult to control over the problem of the manufacture and stock quantity make use of the matlab to bring up the simulative optimization design project separately with simple optimization algorithm and simplex method algorithm

    現代物流系統模擬優化論文在理論方面，用物流系統模擬對運輸優化問題運用啟發式方法建立數學模型、提出演算法；在解決物流中心選址問題時，利用數值分析法（重心法）進行優化設計解算。本文最為突出的是運用簡單尋優技術的單純形法利用matlab就物流系統中對總成本有巨大影響並難以控制的生產和庫存數量問題提出可行的模擬優化設計方案。
  19. Chapter 6 provide a study on the delivery network of port physical distribution system, and we define single physical distribution center location by the center - of - gravity method, multi - physical distribution center location by clustering - based method and dynamic physical distribution center location by dynamic programming model, and the lines of vehicles have been optimized by vehicles scheduling program ( vsp )

    第六章主要是探討港口物流系統的配送網路，運用重心法確定單個配送中心選址、分組法解決多個配送中心選址和動態規劃解決配送中心動態選址問題，並用里程節約法（ vsp法）對配送線路進行優化，尋找最佳運輸線路。
  20. Abstract : an iron - containing material with an iron grade of over 20 % can be recovered from magnetic separation tailings of liuling iron mine by gravity method. this material can be used instead of partial clayey material to produce portland cement so as to reduce the mine tailings discharge amount to 43. 52 %, to raise the iron recovery from 70. 89 % to 84. 62 % and to reduce the iron ore powder consumption in raw cement mixture and the energy consumption of raw material grinding

    文摘:用重選法從劉嶺鐵礦磁選尾礦中回收鐵礦物，可獲得鐵品位大於20 %的含鐵物料，用此物料代替部分粘土質原料生產硅酸鹽水泥，使礦山尾礦排放量減少至43 . 52 % ，鐵的回收率由70 . 89 %提高到84 . 62 % ，並且減少了水泥生料配料中鐵礦粉的用量，降低了生料粉磨能耗。
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