擬凹性 的英文怎麼說
中文拼音 [nǐāoxìng]
擬凹性
英文
quasi concavity-
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。( 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。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。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。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。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。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。Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified pcnn model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. secondly, pcnn is extended to pcnns, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification ; fin ally, based on the accumulative difference pictures, and the forming and transmission of pcnn wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction
首先結合pcnn的同步脈沖發放和側抑制特性，提出了基於改進型pcnn的圖像凹點檢測演算法，該演算法是一種自適應而有效的圖像凹點檢測方法，並且較好地模擬了人類視覺系統；然後，結合信息傳遞和信息耦合特性，將pcnn擴展成pcnns （ pcnn網路群） ，提出了一種基於pcnns的圖像融合演算法，能夠將多個傳感器獲取的同一目標的圖像信息融合到一幅圖像中，有效模擬了人類視覺系統；另外，結合pcnn的同步脈沖發放特性、捕獲特性和波的傳播競爭特性，開拓地將pcnn用於模式分類中，提出了基於耦合神經元點火捕獲抑制特性的分類方法和改進的約束距離下的pcnn分類方法，前者可實現對樣本空間中任意復雜分佈訓練樣本的穩健非線性分類，而後者能夠消除訓練樣本中刺點對分類的影響；最後，結合累積差分圖像思想、 pcnn波的形成與傳播特性，通過各神經元之間連接取向來選擇與控制自動波的流向，將pcnn用於運動視覺分析中的運動軌跡模擬及運動方向檢測。Based on the analysis method of elasticity mechanics and numerical simulation calculation, a reasonable spatial slope shape of jinduicheng deep furrow pit was established
摘要為得到金堆城鉬業公司小北露天礦深凹邊坡的合理空間形狀，利用彈性力學的基本知識及數值模擬方法進行了研究。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The quasi - weak convergence in c [ a, b ] is studied and applied to the boundary - value problems in the nonlinear ordinary differential equations without the assumption of the continuity, compactness and convexity
摘要研究了連續函數空間中凹（凸）函數列的擬弱收斂性，並應用於沒有連續性緊性和凹凸性假定的二階常微分方程的邊值問題。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。分享友人