均勻的曲度 的英文怎麼說
中文拼音 [jūnyúndeqūdù]
均勻的曲度
英文
harmonious curviture- 均 : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
- 勻 : Ⅰ形容詞(均勻) even Ⅱ動詞1. (使均勻) even up; divide evenly 2. (分出一部分) spare
- 的 : 4次方是 The fourth power of 2 is direction
- 曲 : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 曲度 : camber; curvature; degree of curvature; [土] degree of curve曲度計 cyrtometer; kyrtometer
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They not only inherit the advantages of bezier curves and b - spline curves, also can be used to represent straight lines precisely and some remarkable transcendental curves precisely, such as circular arc, ellipse, cardioids and twisted pair line etc. especially, the uniform t - b - spline curve of three degrees is smoother than b - spline curve and c - b - spline curve of the same order
此外由於它們還具有三角函數的優點,故既可以精確表示直線段、二次多項式曲線段又可以精確表示圓弧、橢圓弧等二次曲線以及心臟線、雙紐線等超越曲線。特別地, 3次均勻t - b樣條曲線曲面比同階均勻b樣條( c - b樣條)曲線曲面具有更高的光滑度。Especially on high - class sofa leather, the coating of the finishing process shall not be too thick, and it must cover up the natural defects shown at the surface and to evenly distribute the surface color, regulate the touch and glow of the leather surface, above all, it must have the best cohesion, bend - resist characters, also, it must have resistance for abrasive light, aging and color - migration, etc.
尤其高級沙發皮,塗飾的薄膜不可太厚,且要遮蓋皮面一些天然的瑕疵和均勻表面的色澤,調整皮面的手感和光澤,更須要有很好的接著力、耐曲折性,又要有極佳耐刮摩性和耐光度,且能耐老化性、不吐色等之物性。The work done in this paper is mainly as follows : ( 1 ) the wide beam should intrude to the wall at some length to make the flexural stress uniform along beam section width, thus make full use of the beam ' s bearing capacity and avoid the shear failure in the concrete joint. and it also prevents stress focus and concrete crack in the local shear wall
關于寬梁與薄墻肢節點,可以得出以下幾點初步結論:寬梁應該深入墻肢一定的深度,以使寬梁截面的彎曲應力沿著梁截面寬度分佈均勻,充分發揮寬梁的抗彎能力,同時避免節點區混凝土的剪切失效,也避免剪力墻的局部因為受到的應力過大而拉裂。Bainianyuan bed selects high quality environment - materials, utilizes most advanced manufacturing techniques. thmattress has carefully sdldcted materials to achieve perfect cont contac with human body, and let you enjoy most relaxing and comfortable sleep
百年緣選用高品質環保材料,利用尖端生產工藝精緻成,床墊墊料都經過特別挑選,能緊貼人體曲線,讓每一點均勻承托您的背脊而又可保持背脊的原理弧度,令您享有最輕松舒適的睡眠感覺The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film
試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融溫度及分解溫度降低,且伴有氧化分解反應;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合曲線基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。Abstract : thermally induced stress and the relevant warpage cause by inappropriate mold design and processing conditions are problems that confounded the overall success of injection molding. a thermorheologically simple thermoviscoelastic two - dimension material model is used to simulate the residual stress and warpage within injection molded parts generated during the cooling stage of the injection molding cycle. the initial temperature field corresponds to the end of the filling stage. the fully time - dependent algorithm is based on the calculation of the elastic response at every time step. numerical results are discussed with respect to temperature and pressure
文摘:不均勻的熱殘余應力及其變形是注塑成型加工中常見的工程問題之一.應用熱流變簡單材料的二維熱粘彈本構方程得到的遞推公式,數值模擬了成型中的熱殘余應力及其翹曲變形,並用數值實驗討論了溫度、壓力對注塑件殘余應力及變形的影響,發現溫度變化不均勻是注塑件翹曲變形的最主要原因,其影響遠大於壓力的作用,與工程實驗的結論一致We research on the thermal buckling characteristics of double layer membrane which is composed of different materials with different thermal expansion coefficiens under uniform temperature elevation. the energy method is proposed which is used to solve the problem and the symbolic relation between central buckling height and substrate height under small buckling height is also given. it is the primary theory of membrane resonant sensor, which makes the research and development of novel thermal sensor possible
本文對微機械中熱脹系數不同的材料構成的雙層復合薄板在均勻溫升下的撓曲特性進行了研究,提出了在均勻溫升下雙層薄板熱撓曲求解的能量法,並給出了小撓度下中心撓度與板厚的解析關系,為薄膜諧振式傳感器溫度特性的研究和新型溫度傳感器的設計與開發打下了基礎Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up
首先基於經典層板理論,將復合材料層板的彈性問題化歸為均勻各向異性板來求解;採用各向異性體平面彈性理論中的復勢方法,以faber級數為工具,給出了有限大含橢圓核各向異性板彈性問題的級數解形式;利用雜交變分原理,成功導出含橢圓核各向異性板雜交應力有限元,並用算例驗證了該單元的可行性和有效性;採用含剛度折減橢圓形彈性核的沖擊損傷模型,引入基於特徵曲線和yamada - sun破壞準則的點應力判據,建立了含損傷復合材料層板剩餘強度的分析方法;通過數值計算詳細討論了各種幾何參數對損傷層板應力分佈、剩餘強度的影響,得到了一系列對工程應用具有實用價值的結論。As regards to the spheric thin shell structure under external hydro static pressure, basing on flat - plate theory and by using basic von karman equations for large deflection, the equilibrium problem of axisymmetric bending of the spheric shell under uniform external pressure is simplified to an equilibrium problem of bending of elastic basic flat - plate and further converted into an equilibrium problem of beam on elastic fundation taking into consideration of the deformation characteristics
對球形薄殼結構隨靜水外壓的情況,應用平板理論中的vonkarman大撓度基本方程,將球形薄殼在均勻外壓下的軸對稱彎曲平衡問題簡化為彈性基礎平板的彎曲平衡問題,進而再根據變形特點將其轉化為彈性基礎梁的復雜彎曲平衡問題。Based on the classical nonlinear plate theory, axisymmetric post - buckling behavior of a functionally graded circular plate under radial compression was investigated
摘要基於經典非線性板理論,研究了功能梯度圓板在均勻的徑向壓力作用下的軸對稱過屈曲問題。Meanwhile, the fracture was accelerated due to the uneven surface hardness and the unreasonable distribution of the hardening layer on the crankshaft, and the bad lubrication condition in service
同時軸左頸表面硬度不均勻、淬硬層分佈不甚合理,工作過程中潤滑條件差,加速了曲軸的斷裂。Abstract : the curve equation, force calculation and the length of suspension in two conditions of suspended cable are given through the strict derivation using mathematical and mechanical method. the two conditions were the weight of suspension uniformly disturbed along the link and suspension line. the applications are given and the common expressions have some applied value in engineering
文摘:通過數學、力學推導,給出了懸索自重沿弦線(懸掛點連線)及沿索線均勻分佈兩種情況下的懸索曲線方程、受力計算及索線長度,並給出了工程應用實例,所得結論和公式具有一定的工程應用價值This variation of stresses is due to the action of in - plane shear strain in the plate, which is termed “ shear - lag ”. stresses larger than the elementary bending uniform stress thus develop at the web - flange connection. an appropriate reduced “ effective width ” of the plate - with the uniform stress equal to the maximum longitudinal stress - has been widely used by engineers in conjunction with the elementary beam bending theory
但實際上翼緣中剪切變形是不均勻的,由此導致正應力沿橋寬呈曲線分佈,從而引出了有效寬度的概念,即按初等梁理論的公式也能得與真實應力峰值接近相等的那個翼緣折算寬度。Studying on simplification algorithms of " points cloud " data, putting forward three kinds of simplification algorithms of " points cloud " data according to the point number of data set after simplification and the density of data set and the uniformation of curvature change at control point by b spline curve interporlation
簡化「點雲」數據演算法的研究,提出了按指定數據集點的個數、按數據集點的密度閾值和按b樣條曲線插值型值點處曲率變化是否均勻簡化「點雲」數據的三種演算法。 3Secondly, the effect of transverse deforming on the property of the wedge pressing was studied. the results showed that : the wedge pressing stock with the transverse deforming amount of 10 % acquired the best performance. the highest density got the biggest rate of slope while with the amount of 30 % the curve was more some special structure and performance as following : the large porosities was crushed into small or linear ones with the high - direction deformation amount of 20 % ; as the increasing of the high - direction deforming, the particles got a further deforming, the porosities got a further crushing, the small porosities were mergered by the large ones and the former then disappeared ; when the amound reached 60 %, the quantity of the porosities would obviously decrease which made the materials compact, the microstructure more uniform and the density and hardness curves more horizontal, the relative desity could reach 99. 7 %, the tensile strength b of the as - compacted samples reached 408mpa with the yield strength s teached 289mpa and the elongation percentage reached 13. 6 %. in addition, the microstructure of the wedge pressing stock under the pressing temperectureof 450 was uniform, the porosities and the boundries of the grains basically disappeared and the conjunction between particles was great
採用雙向楔形壓制,大尺寸噴射沉積5a06鋁合金楔壓坯的組織和性能變化具有如下特點:當高向變形量為20 %時,大的孔洞變形破碎為小的孔洞,或呈線狀孔;隨著高向變形量的增加,顆粒進一步變形,孔洞進一步破碎,大孔「吞併」小孔,小孔塌陷並逐步消失;當高向變形量達到60 %時,孔洞量大為減少,材料基本緻密,組織趨于均勻,楔壓坯料的密度、硬度變化曲線接近水平線,坯料的相對密度達99 . 7 % ,抗拉強度_ b = 408mpa ,屈服強度_ ( 0 . 2 ) = 289mpa ,延伸率= 13 . 6 % ;對比其它的壓制溫度,在450楔形壓制的坯料組織均勻,孔洞及顆粒邊界基本消失,顆粒之間冶金結合良好。After comparing between the finite - element analysis and experimental results, the author verified the fem. then according to the chinese code, the nonlinear finite model of the beam - to - column is established which are made of different size components. the responses of beam - to - column web moment connections which are made of different size components are compared and analyzed from three facets, and the conclusions about the joints behavior are drawn : thicken the connection plate, lengthen the connection plate or use a back - up stiffer can improve the connection behavior, consist of improving the behavior of load - supported and reducing the stress convergence in the flange moment plates
本文根據我國規范的有關規定,自行建立了12個不同構件尺寸的樑柱腹板連接的三維有限元模型,對不同構件尺寸的樑柱腹板剛性連接節點在單向荷載作用下的反應進行了研究,從結構的mises應力等值線示意圖、梁端加載處的荷載? ?位移曲線、翼緣連接板兩端的mises等效應力以及翼緣連接板與柱相連接的三邊的mises應力等值線示意圖四方面進行了比較與分析,從而得出了不同構件尺寸的樑柱腹板剛性連接的在受力行為上的結論:增加翼緣連接板的厚度、增加翼緣連接板的長度以及採用柱的橫向加勁肋均可以改善節點的受力性能:提高節點的承載能力;減小翼緣連接板內部與柱翼緣邊的的應力不均勻現象,從而避免試件過早地發生破壞。Based on b - spine function, the original contour line was smoothed and fitted. this method was successfully used to monitor the solid concentration in gas - solid fluidized bed
基於三次均勻b樣條函數對初始等灰度曲線進行曲線擬合,得到了光滑的等灰度曲線。After this work, the paper discusses the property of uniform curve. when the multiplies of end knots equal the order of the basis, the inner knots are also the simple knots, the rational b - splines are translated to the rational b zier - like basis. studies show that these basis have the similar properties with the b zier basis, and satisfied the new recurrence relation
其次,在低階情況,研究了形狀參數對曲線的影響,並且討論了均勻情況下曲線獨有的特性,當k階有理b樣條端節點重復度達到k時,而內節點重復度為零時,這種有理b樣條轉化為一種有理b zier基函數,它們的很多性質和b zier基有驚人的相同點,滿足新的遞推關系The results indicate : when reduced anchoring strength a is large and = 0 or > 0, the first order transition may occur at threshold point or at saturation point ; when a is very lager and = 0 and > 0, the uniform twisted solution jumps directly to the saturation solution
結果表明:當反映錨定強度的參量( = k _ ( 22 ) ? al )較大,且修正參量= 0或0時,在閾值點或飽和點可以發生一級轉變。當很大,且修正參量= 0或0時,還會發生均勻扭曲解直接轉變為飽和解。Numerical results showed that the post - buckling behavior of a functionally graded plate was different from that of homogenous plate, the gradients of material properties and the boundary conditions played an important role in analyzing post - buckling behavior of the functionally graded materials plates
結果表明,功能梯度板的過屈曲行為與各向同性均勻板有很大區別,材料的梯度性質和邊界條件都對其有重要影響。分享友人