numerical ratio 中文意思是什麼
numerical ratio
解釋
數率-
3. developed simply and practical fluid network algorithm for large - scale of pipe networks, such as air - gas system and powder manufacture system. iterative computation used in this algorithm is not only astringing quickly and numerical calculating steadily but also cater the required ratio of precision and guarantee the real - time and any performance simulation of fluid network
3 、本文對風煙系統和制粉系統等大型管網，建立了簡單實用的流體網路模型演算法，此法在迭代計算中，不僅可以快速收斂和數值計算穩定，而且滿足一定的模擬精度，較好的保證了流體網路的全工況實時模擬。 -
Based on the numerical simulation and accuracy analysis to previous slab ' s test with the ansys program, the study of composite wall, with various detail design under potential load action respectively or jointly is carried on and the wall ' s atress behavior and failure mode is obtained, also the influence to wall ' s stiffness and bearing capacity by kinds of factors, including wall ' s shear span ratio, member ' s section, bar arrangement, etc. based on the hammer blow test and stiffness test, a 1 / 3 scale ten - bay model ' s modality parameter and elastic deformation characteristic is analyzed
在對密肋復合墻板運用ansys ~ （ （ ? ） ）程序進行數值模擬、分析驗證的基礎上，對典型組合墻體在不同連接構造和不同荷載效應組合作用下的受力形態和破壞模式進行研究；計算分析了復合墻體剪跨比、邊框柱截面尺寸、邊框柱配筋大小以及墻板內肋梁肋柱配筋等諸多因素對密肋復合墻體承載力及剛度的影響，得出其變化規律。 -
In term of the probability of communication system and perturbance theory, the model of the effect of srs to error bit ratio in communication system is established. through the way numerical of simulation, limitations to srs to error bit ration of communication system and input optical power, the number of channel etc are discussed. the obtained conclusion has definitely reference value to the design of practical communication
根據數字通信系統幾率的特性和微擾理論，建立了受激喇曼散射對通信系統誤碼率影響的理論模型，並通過數值模擬討論了受激喇曼散射對系統誤碼率、最大輸入功率和通道數等的限制，獲得了一些對實際光通信系統設計有參考價值的結論。 -
Numerical study on the influence of recovery ratio on surface subsidence in strip mining
條帶開采中采出率對地表沉陷影響的數值模擬研究 -
With the numerical solution, an internal condensation critical curve can be calculated out by condensation theory and depositing theory, on the curve, the enter water ability equal to the out water ability, which can be used as the basis to determine the occurrence of internal condensation. but the result doesn ’ t coincide with the real completely. in this dissertation, we plan to get the critical curve by practical experiment results, because that the enter water ability only relates to the condensation density and the out water ability only relate to the volume ratio of the pneumatics system
然而由凝結理論和沉積理論得到的計算結果往往與實際有一定偏差，本課題希望通過實驗的方法獲得內部結露臨界線，即系統進水能力和排水能力相等的曲線，由於系統的進水能力和充放氣過程中凝結水滴密度有關，排水能力和系統容積比有關，可以通過大量實驗總結出以凝結水滴密度和容積比表示的內部結露臨界曲線，作為判別內部結露是否發生的依據。 -
In this paper, a numerical simulation is conducted, which is based on the test data of the model experiment of sloping ground with the help of the marc program. when the bearing capacity characters of level ground and the foundations adjacent to or above slopes are analyzed, the effect is considered, which includes deformation moduli, density, poisson ratio, angle of internal friction, stress - strain relationship, slope angle, relative distance from the edge of slopes and relative depth of footings
本文利用斜坡地基模型試驗的試驗數據，用marc軟體進行了斜坡地基模型試驗的數值模擬，分析了平地地基、臨坡地基和斜坡地基的承載力特性，研究了變形模量、容重、泊松比、內摩擦角、應力應變特性、斜坡坡度、基礎的相對坡頂距及其相對埋深等因素對斜坡地基承載力性能的影響。 -
Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed
本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。 -
Based on physical simulation and numerical simulation, the conversion of hot water slug flooding with nitrogen foam is presented and some injection indices are optimized, including foam concentration, gas - liquid ratio, injection rate, temperature of water, slug length. from reservoir research and oilfield development, studying disadvantageous factors, the paper will have guilding value for heavy oil reservoir development of leng 43 block
對熱水+氮氣泡沫段塞驅的關鍵技術指標，包括泡沫劑濃度、氣液比、注入速度、注水溫度和段塞長度等重要參數進行了優選，提出了注水速度80 100t d 、氣液比1 ： 1 、注水溫度95 100 、溶劑濃度0 . 5的推薦方案。 -
On the base of analysis on the characteristics of urban land gradation and evaluation in tai ’ an, the paper calculates the interior structural ratio index of urban datum land price including the various land price at same grades and the different grades land price in same classification according to the numerical value of base land value over the years. through comparing with the calculation results, the paper summarized the general change direction of the ratio
本文在對泰安城區土地定級估價基本特點分析的基礎上，根據三輪的（ 1992年、 1999年、 2004年）基準地價的測算數值，計算出包括同級各類地價比率指數、同級各類地價環比指數、同類各級地價比率指數、同類各級地價環比指數在內的基準地價內部結構比率關系，並對三輪計算結果進行比較，總結出比率變動的一般規律。 -
An optimizing method with constant pressure ratio is initially applied to the mixed refrigerant cycle. this method greatly simplifies the calculation of the cycle, and is helpful in numerical optimization of various cycles, especially in the complex cycles
本文首次採用混合工質製冷機循環的定運行壓比優化方法，大大減少了循環的計算量，為各種混合工質製冷機循環，尤其是復雜循環的數值優化奠定了基礎。 -
Result of numerical simulation shows that the grads of continuous phase " s velocities decreases with the presence of microbubble of which the diameter is 100 / / w, the profiles of air volume fraction in the boundary layers is similar to triangle or echelon, affected by interaction among the particle, there is a saturated air fraction, within the scope of saturated air fraction, increasing the air injection ratio can accrete the friction reduction ratio, under the condition of same air injection ratio, the free - steam velocity is larger, the effect of friction reduction is worse
計算結果表明，直徑為100 m的微氣泡能減小近壁面連續相的速度梯度；微氣泡在邊界層中的濃度分佈近似為三角形或梯形分佈；受粒子間相互作用的影響，存在一飽和濃度；減阻率隨噴氣量的增大而增大，直至飽和噴氣量，此後，增大噴氣量，壁面摩擦阻力變化不大；相同噴氣量下，來流速度越大，減阻率越低。 -
In the anaphase of development, the water content ratio is high in the reservoir, the microcosmic distributions among the formations are different. in order to get the situation of the remaining oil, the author applied fine numerical simulation methods to study every small layers about tuo28 down reservoir. because the characters about geology and liquid are different from past time, the change have been considered
為進一步搞清坨28斷塊下油組各單元特高含水開發後期剩餘油在層間、層內的微觀分佈，本文重點介紹了精細數值模擬方法對下油組各小層的研究，與以往數值模擬研究不同的是，本次研究充分考慮了坨28斷塊的地質特點和流體特徵隨時間的變化，結合不同開發階段，建立了不同的模型，從而使研究結果更接近地下油藏實際。 -
A parametric analysis of the inviscid effects of leading edge sweep, sidewall compression, width - height ratio, cowl position and inflow mach number on spillage is finished. numerical simulations are completed for a series of inlets at various flight height and velocity. the research indicates that the area of spillage window, which is mainly determined by the position of the cowl, significantly influences the spillage characteristic of the scramjet inlet
闡明了側板后掠的側壓進氣道設計參數對構型溢流影響;對不同側板配置方式的側壓式進氣道進行了數值模擬，通過對比分析，發現由唇口板的位置所決定的溢流窗面積的大小對進氣道溢流特性的影響顯著。 -
Numerical calculations are performed to show the dependence of intensity distribution on the fresenl number and obscure ratio
數值計算例表明，光強分佈與菲涅耳數和遮攔比有關。 -
Firstly, a simple and practical representing method of the tooth edge tangential vector is applied to replace the traditional differential formula, the simple solving technique of edge contact problem makes the geometric edge contact analysis of the complex curve surface realize. secondly, using numerical searching and mathematical programming method solves the contact directions and loaded contact problem. finally, whole numerical simulation method is provided for loaded tooth contact analysis of high contact ratio spiral bevel gears
首先以一種簡單實用的輪齒邊緣切矢量的數學表示方法取代了經典的微分表達式，大大簡化了幾何邊緣接觸的求解，使復雜曲面的幾何邊緣接觸分析得以實現；其次又採用數值搜索與數學規劃法求解了邊緣接觸的主方向和承載接觸問題，為高重合度弧齒錐齒輪承載嚙合全過程的數值模擬提供了完整的方法。 -
Based on the test results and bearing formula for djcm pile composite ground under rigid foundations, it raises the design formula for the bearing capacity of djcm pile composite ground under flexible foundations. secondly, taking material nonlinear especially the glide between pile and soft soil into account, some tentative analysis and numerical analysis have been done by finite element software - ansys. it summarizes some basic regularity of the pile - soil stress ratio load transferring and variation along depth, deformation characters etc.
其次，本文還應用大型有限元分析軟體ansys ，考慮水泥粉噴樁復合地基中樁-土材料的非線性特性，並特別考慮了樁和樁側土之間有相對滑動的實際情況，對柔性基礎下水泥粉噴樁復合地基的力學性狀作了初步的數值模擬分析，總結出柔性基礎下水泥粉噴樁復合地基中樁土應力比、荷載沿深度的傳遞特性和復合地基的變形特性等方面的基本規律。 -
A solid - waste containment system can be simplified as a slope which contains a layer of geomembrane ( which is simplified as interlayer slope in the rest part ). shaking table model test and numerical analysis have been done to study the seismic stability of interlayer slope based on the two - part wedge theory in this paper. many factors which affect the slope stability ratio, including horizontal seismic coefficient, slope angle, soil - geomembrane interaction coefficient, slope length, layer thickness and soil character, have been took into consideration
填埋場防滲基坑的邊坡可以簡化成含土工膜夾層的土坡（以下簡稱夾層土坡） ，本文根據「雙滑楔體」理論思想，對夾層土坡的地震穩定性問題進行了較為系統的模型試驗和數值分析，著重考慮了水平地震系數、夾層土坡坡角、土工膜與覆蓋層土體摩擦系數、夾層邊坡長度和厚度、夾層土坡覆蓋層土體性質等因素對土坡安全系數的影響，並對地震作用下夾層土坡的永久變形進行了初步的研究，給出了對實際工程設計有參考價值的結論。 -
At the end of this section the paper specifies three possible failure modes of the ultimate resistance, depending on the ratio between the flexural resistance of the flanges and the axial resistance of the bolts. this numerical analysis includes many nonlinear structure behaviors such as contact status nonlinearities, geometric nonlinearities and material nonlinearities
文章就連接翼緣板剛度的變化和設置加勁肋等構造措施對連接的高強度螺栓內力、翼緣板間的接觸壓力、撬力和節點剛度的影響進行了對比分析，並對有限元的計算結果進行了多項式擬合。 -
Optimal width ratio of crescent rib in bifurcation of pumped storage power station based on numerical simulation of flow
基於水流數值模擬的抽水蓄能三岔管肋寬比最優化分析 -
After the rationality of theoretical model has been testified, going along a series of numerical simulation and find the best ratio of evaporation segment and condensation segment by means of analyse the temperature variety of the electronic element surface on the effect of the radiator structure change. a series of strenthen step about heat transfer put forward theoretically by means of numerical analysis focuse on the thermal resistant of each tache of the heat transfer
在證實了本理論模型是合理的基礎上，本文根據所建立的模型進行了一系列的數值模擬計算，分析了熱管型電子器件散熱器的結構尺寸（蒸發段和冷凝段的長度比、肋片的高度等）變化對發熱器件表面溫度的影響，得到了蒸發段和冷凝段的最佳長度比。
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