擬凹的 的英文怎麼說

中文拼音 [nǐāode]
擬凹的 英文
quasi concave
  • 擬 : 動詞1. （設計; 起草） draw up; draft 2. （打算; 想要） intend; plan 3. （模仿） imitate
  • 凹 : 凹名詞（凹陷的地方, 用於地名） low-lying area; depression （used in place names）
  • 的 : 4次方是 The fourth power of 2 is direction
  1. This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization

    本文以拉格朗日方程為理論基礎，對慣性制動器在制動時的振動進行數學建模，然後用matlab對其進行模擬，得出了慣性制動器在制動時振動角頻率分別與制動環和摩擦片之間的摩擦系數、制動力的平均半徑、主動頂和花鍵軸的轉動慣量、慣性制動器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數、主動頂和花鍵軸的質量、慣性制動器除主動頂和花鍵軸外其他部分的轉動慣量和、頂壓套的質量等慣性制動器各零部件的物理參數之間的關系，為慣性制動器的結構優化提供了理論依據。
  2. We conclude that it is quasi-concave.

    我們判定它是擬凹的。
  3. 4. the principle of the experiment including the isdg method is introduced. and the effect of shape and distance of the indention on strain measurement is analyzed

    4 ）介紹試驗設備的組成及試驗原理，通過理論推導和有限元數值模擬分析了拉伸試樣的凹痕標記對應變測量的影響，對isdg （ interferencestrain displacementgauge ）方法進行了深入的研究。
  4. ( 6 ) in this paper. adopting fea software ansys to simulation and analysis the al ecap process. in order to spread out studying of ecap in the future. the results show : die comer angle, the radius of round angle, the friction coffience of workpiece and die, the properties of die ( elastic modulus, possion ratio ) et al, have some degree impact on the deformation of materials

    （ 6 ）採用有限元（ fea ）分析軟體ansys對al的擠壓過程進行ecap模擬與分析，為后續研究工作做好鋪墊，分析結果表明：外切角、圓角半徑、試樣與凹模之間的摩擦系數、凹模本身的特性（如彈性模量、泊松比等）等等，對材料的變形量都由不同程度的影響。
  5. This paper referred to the massive domestic and foreign technical material, elaborated in the sheet forming value simulation theory essential technology in detail, points out when analysis sheet forming question should use the big distortion ball plasticity fem and introduce the application characteristic and the function summarizes of the sheet forming simulation software dynaform. secondly, analyzed the cover forming characteristic, simultaneously introduced the influence cover forming factor in detail : such as ramming direction, the craft addendum surface and the material pressing surface, the radius of convex - concave mold, draw bead, pressure strength, blank size and craft margin and so on. and simulates many typical automobiles cover panel with software : such lateral board, back taillight pedestal and storage cover

    其次，分析了覆蓋件成形的特點和要求，同時詳細介紹了影響覆蓋件成形的因素如沖壓方向、工藝補充面和壓料面、凸凹模圓角、拉延筋、壓邊力、坯料尺寸和工藝切口等，並用數值模擬軟體對多個典型的汽車覆蓋件汽車后側圍板、后燈座以及轎車后備箱蓋的沖壓成形情況進行模擬，用模擬結果優化拉延工藝方案，比較了內覆蓋件和外覆蓋件在成形特點和要求的一些異同點，以及常見的起皺、拉裂和回彈、成形不足等缺陷的產生機理和相應對策，重點介紹工藝補充面和壓料面的設計及優化方法，因為拉延是沖壓工藝的關鍵工序，而工藝補充面和壓料面的設計是拉延工序的關鍵，對消除缺陷至關重要。
  6. Removal craft of phenol from waste water by acid - treating attapulgite clay

    酸改性凹凸棒土對含酚模擬廢水的吸附性能研究
  7. Guided by the theory of sequence stratigraphy and petroleum system using cores, lithologic log or well - logging, biostratigraphic and seismic data, adopting seismic inversion constrained to well data, digital analysis technology, basin modeling, test method and so on, and adopting an integrated study technology, aiming at lower exploration in chagan depression, this work put forward a new research thoughtfulness, technic flow and method system that is an integrated study by " looked upon sequence stratigraphy as a base, looked upon petroleum system as a integer, combing with each other closely " and tie in qualitative analysis and quantitative analysis and applied synthetically new theory, new technology and new method

    以層序地層理論和含油氣系統思想為指導，利用巖心、鉆/測井、古生物以及地震資料，採用井約束下的地震資料反演技術、計算機技術、盆地模擬技術和各種分析實驗手段等綜合分析方法，針對查干凹陷勘探程度低的特點，提出了斷陷盆地「以層序地層分析為基礎、含油氣系統為整體（系統）和二者緊密結合」以及定性與定量相結合，綜合應用新理論、新技術和新方法的研究思路、技術路線和方法體系。
  8. So the amb fits some execrably environments, such as high speed, vacuum super clean, etc. firstly, the thesis introduces the auto - balance discipline of amb and two kinds of algorithm about notch filter, such as lmp, lms

    本文首先介紹了主動磁軸承自動平衡的基本原理，針對凹陷濾波器介紹了兩種演算法，並對其中lms演算法進行了詳細的介紹、分析以及系統模擬。
  9. It could be divided into six paleogeotemperature evolution stages from early cretaceous to recent based on the result of apatite fission - tracks analysis ; subsidence - buried history analysis shows that chagan experienced fault depression stage during early cretaceous bayingebi - suhongtu period, transional stage from fault depression to sag in yingen period, and sag stage since wulansuhai stage

    磷灰石裂變徑跡模擬分析結果認為早白堊世至今大致可分為6個古地溫演化階段；沉降?埋藏史模擬揭示查干凹陷經歷了早白堊世巴音戈壁?蘇紅圖期的斷陷期、銀根期的斷?坳陷轉化期和晚白堊世烏蘭蘇海期以來的坳陷期。
  10. In order to effectively determine the position and distribution of porosities in laser welding sampes with complex structure, a preliminary research was proceeded on the distribtion features of porosities and a formula which can calculate the buried depth of porosities was deduced based on the line profile distribution curve of the flaw position

    為了確定復雜結構激光焊件焊縫中氣孔缺陷的位置和分佈，對氣孔缺陷的分佈特徵進行了研究，推導出氣孔缺陷埋藏深度的計算公式，設計了峰值異常缺陷和斜凹型異常缺陷投影距離自動提取演算法，確定了缺陷在鈦合金激光焊件中的分佈特徵，並通過模擬試件的破壞性試驗對該公式進行了驗證。
  11. The principle of the method is illuminated by the numerical simulation of the scattering of caustic region in a two - dimensional concave antenna

    本文通過對二維凹面天線焦散區散射場的數值模擬詳細介紹了這一理論的基本思路。
  12. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    （ 2 ）利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究，通過分析正弦荷載作用下的試驗資料，驗證了粉土的孔隙水壓力增長模式的合理性；從微分方程推導了基於土體振動臺模型試驗的相似律，並從模型實體、孔壓時程曲線和相似律等方面做出了分析，得出了如下結論：在小型振動臺試驗中，模型箱中的粉土都發生了液化，液化的時刻和輸入加速度幅值有關，而對頻率的變化不太敏感；粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化；孔壓的增長曲線形狀與施加的荷載有關：當施加荷載為由小到大的形式時，曲線形狀為上凹的曲線；當施加荷載為等幅的正弦荷載或荷載幅值由大到小時，曲線形狀為上凸的曲線，且逐漸趨于穩定。
  13. By analyzing " qin qiang " by jia ping - wa and " brother " by yu hua, two influential novels in china, the tendencies of novel composition since the new century are discussed. " qin qiang " is a " simulated realism " novel, in which society, nature, and life itself are simulated, while " brother " is a " mysterious realism " novel, in which exaggerated and mysterious devices are employed

    摘要本文通過對賈平凹的《秦腔》和余華的《兄弟》這兩部較有影響的長篇小說的具體分析來探討新世紀以來長篇小說的創作趨向，在這兩部有標志性的作品中， 《秦腔》可以稱做是一種模擬社會、模擬自然、模擬生活本來面目「法自然的現實主義」 ； 《兄弟》是以誇張和怪誕的手法創作的怪誕的現實主義。
  14. This model fits the accumulative wells and petroleum reserves in dongying sag, better than simple exponential decline model and subsection exponential decline model, and predicates the future exploration benefit and accumulative petroleum reserve

    與簡單指數下降模型和分段指數下降模型相比，該模型能更好地擬合東營凹陷累計探井數和累計探明地質儲量數據，並能夠對未來勘探效益變化和累計探明地質儲量做出合理的預測。
  15. From the dongying formation ( ed ) to neogene, the shahejie formation was located in the late diagenetic stage a1 ~ a2 ; the oil and gas pools formed in a wide scale. at present the lower e2s3, with overmatured source rocks and low porosity reservoir rocks, gets into the late diagenetic stage b - c in the northern qibei sag where is not favorable for petroleum accumulation, but the others of the shahejie formation are locate still in the late diagenetic stage a1 - a2 and propitious to form oil and gas pools based on the diagenetic numerical modeling under the condition of overpressure, we build a multiple unit cubic equation model for porosity prediction, as the result of the application of qibei sag, the prediction error is less than 2 %, and the precision excess that of foreign same model

    歧北凹陷的模擬結果表明，在沙河街組沉積末沙河街組三段就進入晚成巖階段a _ 1期，油氣藏開始形成；在東營組沉積時期晚第三紀，沙河街組大部分地層處于晚成巖階段a _ 1 a _ 2期，生、儲、蓋層發育，是其主要成藏期；現今在歧北凹陷北部沙三段下部進入晚成巖階段b c期，儲層物性較差、不利於成藏，其他層段仍處于晚成巖階段a _ 1 a _ 2期，有利於油氣藏的形成。
  16. Beamspace music based on mvdr beamformer outputs is proposed to remove the contribution from interferes outside the beam coverage region, so to ensure the correct estimation of target bearings inside that region. the weighted subspace fitting ( wsf ) algorithm is extended into beamspace to resolve strongly correlated signals

    對于強干擾和信源強相關的情況，提出採用基於虛擬干擾源的mvdr波束形成方法，設計得到在強干擾方向存在深凹口的波束，以抑制強干擾源。
  17. This paper gives some equivalent conditions of quasi - concave function

    摘要本文給出了與擬凹函數定義等價的幾種條件，並加以證明。
  18. Abstract : in this paper, we investigate some properties of cone - continuous vector - valued functionsand the greatest cone lower bound, and prove the connectedness of the cone efficient solutionset for a cone - continuous vector - valued cone - quasiconcave function under the condition thatthe image set is cone - convex

    文摘:本文討論了錐連續函數及錐最大下界的性質，在此基礎上討論了錐連續錐擬凹向量函數最大化問題有效解集的連通性，證明了當象集為錐凸集時錐有效解集是連通的
  19. On the connectedness of the set of weakly efficient solutions for cone - continuous and cone - quasiconcave multiobjective programming problem

    錐連續錐擬凹多目標規劃問題弱有效解集的連通性
  20. In chapter 3, existence of quasi - convex, quasi - concave, convex and concave solutions of a linear iterative functional equation are studied

    第三章研究了線性型迭代方程的擬凸解、擬凹解、凸解及凹解的存在性。
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