numerical factor 中文意思是什麼
numerical factor
解釋
數值因子-
Zhoushan is sea area which fertility is tiptop in our country. sea surface wind is important factor of influencing contrail of excursion oil and culturist so investigating sea surface wind of zhoushan and setting up numerical forecast model which fits this sea area can offer tool for study sea wind in this area and let us has a mensurable acquaintance ship of effect degree of physics factors which effect sea surface wind in zhoushan sea area and acquaint oneself with physic process
而海面風是影響溢油油團漂移軌跡和養殖業的重要因素，因此，對舟山海域的海面風進行研究，建立適合此區域的數值預報模式，可為研究該區域海面風作用過程提供數值預報工具，使我們對近海區域海面風場作用中物理因子的影響程度有更定量的認識，並對物理過程和影響機制有更深刻地了解。 -
Based on the generalized huygens - fresnel diffraction integral and in consideration of the effect introduced by astigmatism, the transformation properties of gaussian beams passing an astigmatic lens are studied analytically, the beam quality of astigmatic gaussian beams is analyzed in terms of the beam propagation factor ( m2 - factor ) and power in the bucket ( pib ), and illustrated with numerical examples
基於廣義惠更斯-菲涅爾衍射積分，並考慮了像散的影響，對高斯光束通過像散透鏡后的傳輸特性作了解析研究，以光束傳輸因子和桶中功率為參數分析了像散高斯光束的光束質量，並以數值計算例加以說明。 -
The mathematics model of newsboy problem with time - based parameter is given, and through analyzing model and numerical instance, it shows, with contrast of traditional newsboy problem that time factor is not taken into account, the former can increase the income of the dealer
建立了正態分佈下時變參數的報童問題的數學模型，通過模型的求解和數值分析，結果顯示，與傳統的不考慮時間因素的報童模型相比，前者能夠增加零售商的收益。 -
Given dynamic stress concentration factor around the interface circular lining. some examples and numerical results and illustrated, the influence of wave number, incident wave angle and combination of different medium parameters upon dynamic stress concentration factor are discussed
針對具體算例給出數據結果討論了不同波數條件、不同入射角作用、不同的材料常數組合對界面襯砌散射波遠場位移模式和散射截面的影響。 -
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。 -
The authors research on the middle - south of qinshui basin, analyze the numerical connection of permeability and its influencing factor and construct compound factor model by mathematics geology method
在其基礎上，文中以沁水盆地中南部為研究區，通過數學地質方法，分析和研究滲透率與其影響因素的數值關系，並研究和建立滲透率影響因素復合模型。 -
Then the effect of the wind, the current and the wave are added in the numerical model to investigate the effect of each factor, especially for the wave with different sea states
因此，在文中先於靜水對系纜位置、拖纜長度、拖帶速度等要素對拖帶系統航向穩定性及拖纜張力變化的影響進行分析，以了解拖纜系統的基本特性。 -
A revised fuzzy control algorithm was developed to accelerate iteration convergence in numerical fluid dynamic simulation by adjusting the value of the under - relaxation factor
摘要在原來研究工作的基礎上，提出了一種改進的模糊控制方法，用以調整粘性流場迭代計算中亞松馳因子的值。 -
In chapter four, on the basis of taking up a great amount of first hand information, the article for the first time puts forward original degree of concentration index numerical value ( 1990 - 2001 ) of china coal industrial market and has engaged more objective analysis and appraisal in relation to so such sensitive problems as influence factor, market structure positioning, especially the orientation of industry policy and enterprise restructure and expansion and has figured out the core content of the article
同時，在佔有大量一手資料的基礎上，第一次公開推出原創性的中國煤炭產業市場集中度指標數值（ 1990 - 2001年） ，並對其影響因素、市場結構定位，尤其是產業政策取向和企業重組擴張等敏感性問題進行了較為客觀的分析和評價，構造出本論文的核心內容。作為最大的發展中國家，中國歷經10餘年的煤炭市場化實踐，出現了許多值得認真研究並需合理解釋的現實問題。 -
With the increasing of electronic element integration, the problem of heat dispersion has become one of restrict factor in the development of electron technology. to meet the demond of rapidly increased thermal dispersion, numerical simulation and experimental study on heat pipe radiator for electronic element has been made in the paper
由於電子器件散熱技術研究的日益重要，本文首先對電子器件散熱技術及熱管型電子器件散熱器的國內外研究和發展現狀進行了綜述，並在此基礎上對熱管型電子器件散熱器進行了數值模擬和實驗研究。 -
The numerical calculating based on reynolds equation are carried out with the help of computer program built by bearing research institute of xi ' an jiaotong university. the calculating results indicated that three lubricating oil wedge bearing with an end - to - end through gap between the horizontal combine surfaces will not be unsteady factor when the bearing load no change. but the horizontal oil film rigidity will reduce and the working position of axle journal in the bearing will change
論文利用雷諾方程對# 5軸承的三油楔水平中分軸承進行了數值計算，計算結果表明，當三油楔軸承水平中分面有貫通的縫隙而軸承的載荷不變時，三油楔軸承不會失穩，但會減小水平方向的油膜剛度，改變軸頸在軸瓦中的工作位置。 -
In this paper, we aim at establish heat and mass coupled transfer model in the building wall, the emphasis of this study lies in creating a coupled and non - linear diferential equation system for the heat air and moisture transfer in the wall, which can be described by means of continuum mechanics and irreversible thermodynamics, the most dominant factor is moisture conten 9la gas pressure pc and temperature t, for the description of heatair and moisture transport, the general mass balance equation can be expressed by the temporal change of moisture conten 9 l, gas pressure pc and temperature t that means, in order to create a closed solvable equation system, the other additional dependencies have to be found, which the other variable depending on the variables of the solution : moisture conten 6 l gas pressure pc and temperature to the model is verified by the numerical simulation software which has been developed about building wall.,
根據節能設計要求，本文用熱力學的方法，並根據多孔介質中多相流體流動描述方面的最新研究成果? ?體積平均方程，建立了墻體熱、濕和空氣耦合熱質傳遞模型，並推導出熱、濕和空氣耦合傳遞等效擴散方程；找到建築墻體熱、濕及空氣耦合作用下熱質傳遞過程的主要影響因素濕容量_ l 、氣壓p _ c和溫度t 。開發了單體材料墻體熱質傳遞數值模擬軟體，用實測數據對軟體進行調試並對模擬計算結果進行了驗證。模擬出了單材料墻體在熱、濕和空氣耦合作用下建築墻體內的溫度和濕度分佈規律。 -
According to the geological conditions of baise project, erosive bands and joint fissures, f6 fault and grout curtain are fully simulated to establish 3d numerical model of the dam and its foundation. 3d non - linear fem is used to analyze the stress and strain and to appraise the operation state of both the dam and it ' s foundation under different operation conditions. by overloading the upstream water level and reducing rock strength parameter, the dam foundation ' s degradation process is simulated and the damage pattern and paths are determined, and finally the safety factor is determined
2 、根據百色的地形地質條件，充分模擬了蝕變帶、節理裂隙、 f6斷層、灌漿帷幕等，較為真實地建立了壩體與地基相互作用的整體三維數值模型；採用有限元法對壩體及壩基在不同工況下的應力應變狀態開展分析，評價各工況下壩基的運行狀態；而後採用超載法和綜合法對大壩穩定性進行分析，模擬壩基的漸進性破壞過程，從而得到壩基在超載和強度下降過程中的破壞模式和破壞發展路徑，最終確定壩基超載安全系數和綜合安全系數。 -
At the beginning of this article, we give the analysis about the principle of external condensation. we find out that the most important factor in the condensation is the temperature of the air in the system. and we point out the factors which can make influence in the external condensation, such as the temperature and the humidity of the environment, the temperature and the pressure of the supplying air, the load of the system, the area of passage of speed control valve, and so on. next, we give the mathematics model of the pneumatic system using the knowledge of aerodynamics and heat transfer theory. and using the finite difference method and the numerical analysis we can get the solutions of the model. we use c program to simulate the model
本文首先對氣動系統外部結露的原理進行了分析，指出了氣動系統內部氣體溫度下降是氣動系統外部結露根本原因，提出了影響氣動外部結露的主要因素，包括環境溫度、環境濕度、供氣壓力、供氣溫度、氣缸負載和調速閥開度等。然後應用氣體動力學、氣體熱力學和傳熱學對氣動系統建立數學模型，用逆步進有限差分法和數值分析演算法對所建模型進行求解，利用c語言編製程序對氣動系統模型進行模擬，給出了氣管及氣缸內氣體的各個時刻的狀態參數。 -
Based on the former research, several works in this paper is listed as follow, which is studied by experiment research, theoretical analysis and numerical calculate : firstly, based on local observation and laboratory experiment result, consolidation mechanism of vacuum - surcharge preloading is analyzed form typical mechanics and microstructure seepage factor. a great deal of observed dada is employed to analyze the deformation characteristics of soil after being treated and variation law of pore water pressure
本文在前人工作的基礎上，通過試驗研究、理論分析、數值計算等手段主要進行了以下幾方面地工作： （ ）分析了大量現場觀測成果及室內外試驗資料，從經典力學和微觀滲流兩個角度解釋了塑料板排水真空-堆載聯合預壓法加固軟基機理，總結了該法加固的土體變形特點、孔隙水壓力變化規律。 -
In order to study effects of various factors on gas well productivity, this paper takes changqing gas field as an example and uses gas reservoir engineering and numerical simulation methods to qualify effect of different factors on absolute open - flow capacity in different reservoirs in respect of formation coefficient, water production, non - darcy flow coefficient, formation pressure and skin factor
摘要影響氣井產能的因素多種多樣，為了具體描述各因素對產能的影響，以長慶氣田為例，利用氣藏工程和數值模擬方法，從地層系數、產水、非達西流系數、地層壓力、表皮系數等幾個方面定量分析了各因素對不同儲層條件下氣井絕對無阻流量的影響程度。 -
Numerical results show that the top - hat beam stl instrument is more sensitive than the gaussian beam stl instrument, with a maximum sensitivity enhancement factor of approximately 2. 3
測量了信號的衍射分佈，信號與激勵光功率、激勵光斑半徑、調制頻率、探測距離的關系，與理論吻合較好。 -
It is used in conventional real aperture radar for improving angle resolution. numerical and experimental results show that by using awsm. the angular resolution is improved by a factor of 1. 8 when signal - to - noise ratio equals to 15db
實驗結果表明，在15db的信噪比下，採用角度權重方位超分辨技術可以使方位解析度的改善因子達到1 . 8以上。 -
The enactment of the cutter is one of the important factor, in the aspect of cutter compensation, it only has radius compensation and length compensation in planar. in three - dimensions, especially on five - axis tandem drive numerical control machine, it still need further study. so in order to improve the working accuracy of numerical control machine, the study of five - axis cutter radius compensation in this paper is very useful
刀具的設定是影響機床加工精度的重要因素之一，就刀具補償而言，目前的數控機床只是在二維空間內具有刀具半徑補償、及刀具長度補償，三維空間內的刀具補償，特別是在五軸聯動數控機床上，由於刀具擺動軸的出現，使得刀具補償難以實現，還需進一步深入研究。 -
Abstract : the relation between the place ， size ， shape and number of hot spots in casting and the changes of factors such as geometry factor ， physics factor ， technics factor in the casting and mould system and the systematic characteristic of hot spot are studied by means of the technique of computer numerical simulation of solidification. the relationship between riser and hot spot is also discussed in this paper
文摘:採用計算機凝固數值模擬技術，研究鑄件熱節的位置、大小、形狀和數量，在凝固過程中根據鑄件?鑄型系統內幾何因素、物理因素、工藝因素等各因素的變化關系，揭示熱節的系統性；討論了冒口與熱節的位置關系。
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