接合曲面 的英文怎麼說

中文拼音 [jiēgěqūmiàn]
接合曲面 英文
blend surface
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 合 : 合量詞（容量單位） ge, a unit of dry measure for grain （=1 decilitre）
  • 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...
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 接合 : joint; zygosis; juncture; articulation; concrescent; nexus; coaptation; syndesis; synapsis; meet;...
  1. 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 。
  2. Furthermore, the current research about body measuring and modeling is just for costume and military affairs, and pay more attention to the head dimension and shape. with the development of human nature during the manufacturing, body cad model is widely applied in industry design, ergonomics, engineering design, humanics research and iatrology research. the body cad model also can be the basic data for the design of respirator

    本文使用nurbs曲面直接擬合的方法對測量的點雲進行曲面重構，將系統的優化方法應用到nurbs曲面重構中，利用插值曲線對測量點雲進行分塊處理，解決用nurbs曲面擬合中曲面的光順與曲面與點雲的誤差之間的矛盾問題，使反求模型中各曲面片之間相互連接、光順過渡且能夠反映出人體頭部的細部特徵。
  3. Since all materials are subjected to expansion and contraction, " expansion joints " must be provided in any large structure to adapt to the change of temperature with the season, or even with day and night, otherwise the force of expansion would cause the structure to bend or break

    由於所有的材料都要經受膨脹和收縮，在任何大的建築中都需要提供「伸縮接合面」 ，以適應隨著季節甚至晝夜的改變而產生溫度的變化，否則膨脹力就會引起建築彎曲或斷裂。
  4. This process is as follows : firstly, the data of different section contour and of section line have been obtained by reverse - engineering ; secondly, non - uniform b - spline approximation algorithm is used to fit the discrete data ; then the data have been optimized and reduced by adopting adaptive sampling of key points of the fitted curve based on vertical distance, sequently the adaptive sampling data is transformed into the format of the. ibl file of the famous 3 - d design software pro / e. therefore we reconstruct the surface and a model is generated ; lastly, the effectiveness of the adopted algorithm and modeling approach are demonstrated by the experiments

    建模型的過程中，首先運用逆向工程測量方法，獲得曲面物體上不同截面輪廓線的測量數據點列，接著對測量數據點進行平滑處理，用最小二乘法求解基於數據點列的控制多邊形，以非均勻三次b樣條曲線擬合截面輪廓曲線；然後利用基於垂距的數據采樣演算法，對擬合曲線上的數據點進行重新采樣，達到優化數據點的分佈及減少描述曲線數據量的目的。
  5. In view of the altitude problems of inspecting the weighted average ways of obtaining altitude and the advantages and disadvantages of moving surface interpolation method are talked about through comparison, with which the writer draws a conclusion that moving surface interpolation method is suitable to be applied for the dynamic state inspection places, moreover the key technology about the dynamic slate inspection is also taken into consideration, which includes digital camera and types of camera lens, the cause of camera lens distortion and the fundamental determining principle, the gain of image coordinate and the realization of time synchronization

    針對檢定點高程問題，分析比較了獲取高程的加權平均法和移動曲而內插法的優缺點，得出移動曲面內插法適合用於動態檢定場的結論。特別是針對動態檢定的關鍵技術給予了相關研究，內容涉及：數碼相機及相機鏡頭的選型，相機畸變差產生原因及測定的基本原理，像片坐標獲取以及時間同步實現，得出結論：利用gpsoem板的秒脈沖（ 1pps ）輸出特性，能夠實現兩臺數碼相機與gps接收機時間同步，滿足動態檢定指標要求。
  6. Measuring method and technique that 3d surface shape is recovered from 2d gray image ( shape from shading ) can obtain surface shape by natural way and easily realize the information integration of intersystem. particularly, this technique belongs to non - contact measurement, and it has become a puzzle and hotspot question in image measuring domain based on vision in recent years

    直接由物體的二維灰度圖像恢復其三維幾何形狀（由明暗恢復形狀）的曲面測量方法和技術，能以自然方式提取物體表面的形狀信息，且易於實現系統間的信息集成，尤其是該方法屬于非接觸測量方法，特別適合於測量由彈性模量低的易變形材料製成的零件，近年來一直是基於視覺的圖像測量領域研究的難點和熱點問題。
  7. At first the paper begin to study the foundation of digital curved face and space meshing principle, introduce the basic knowledge of curve theory and curved face theory, explain the mathematical tools of vector turning and coordinate conversion in the paper ; analyse the motion and relative motion of rigid body, provide the condition of gear driving continuous contact and equation of conjugate meshing

    論文首先從參數化曲面和空間嚙合原理基礎出發，介紹了曲線論和曲面論的基本知識，對課題研究重的數學工具矢量回轉和坐標變換進行了說明;分析了剛體的運動和相對運動，根據空間嚙合原理給出了輪齒傳動連續接觸的條件和共軛條件方程。
  8. We also introduce synthesis technique for idt to transport the real - world texture samples on virtual objects. finally, the texture - covered objects could be rendered under environment illumination in real time

    本文接著引入光照相關紋理在任意曲面上的合成技術，將紋理采樣移植到虛擬物體上，最後在環境光源下實時地繪制。
  9. Based on conjunction theory, the models for gear manufacturing is developed, and the equation of the gear surface is gained by the equation of rack cutter. the contact line in manufacturing and the tooth profile of the gear is also discussed based on the equation of the gear surface

    本文首先基於齒輪嚙合原理，建立了齒輪加工的模型，由刀具曲面方程推導出被加工齒輪的齒面方程，並進一步推導出齒輪端截面的齒廓方程和齒輪刀具接觸線方程。
  10. The object ' s surface often possesses some particular continuities, so it is indispensable to be able to control the desired continuities between adjacent nurbs patches

    物體的表面一般都具有一定的光滑性，因此擬合小曲面片的這些nurbs曲面之間就必須達到一定程度的光滑連接。
  11. Extreme pressure ( ep ) additive ? chemical compound imparting extreme pressure characteristics to a lubricant with the objecfive of reducing wear under conditions where rubbing or sliding accompanies high contact pressures ， as in heavily loaded gears ， particulars of the hypoid type

    極壓（ ep ）添加劑在伴隨著高接觸壓力的摩擦和滑動的情況下（如：在重載齒輪，特別是準雙曲面型齒輪中） ，能夠賦予潤滑油抗極壓性能，以達到減輕磨損目的的化合物。
  12. Extreme pressure ( ep ) additive _ chemical compound imparting imparting extreme pressure characteristics to a lubricant with the objective of reducing wear under conditions where rubbing or sliding accompanies high contact pressures, as in heavily loaded gears, particulars of the hypoid type

    極壓（ ep ）添加劑在伴隨著高接觸壓力的摩擦和滑動的情況下（如：在重載齒輪，特別是準雙曲面型齒輪中） ，能夠賦予潤滑油抗極壓性能，以達到減輕磨損目的的化合物。
  13. The investigation on the generation of fg is made by the derivation of equations of fg tooth, contact lines on tooth in meshing, plane of action and fillet surface, and by the visualization of contact lines, fg tooth surface and fillet surface

    在面齒輪齒面生成的研究中，推導了面齒輪的齒面方程、加工中的齒面接觸線方程、嚙合面方程和過渡曲面方程;對齒面的接觸線、面齒輪的齒面和過渡曲面進行了可視化。
  14. 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。
  15. Through numerous experiment and analysis of scattering characteristic about fat and protein in milk, we find their characteristic about fat and protein in milk, we find their scattering law and establish the correlative scattering model of fat and protein in milk. especially, we adopt surface fitting to break through this problem from theory and technology, without isolating protein from milk, we can directly measure the protein in milk, that is to say, completely realizing the quickly accurate measurement of protein in milk. furthermore, we bring prosperity for the field of measuring multi - ingredient in milk through light scattering theory

    經過大量實驗和對牛乳脂肪蛋白質的散射特性分析，我們找到了他們的散射規律，並建立了牛乳脂肪和蛋白質的關聯散射模型，並採用多元線性回歸的曲面擬合法徹底突破了這一難關，無需把蛋白質從牛乳中分離出來，可直接對牛乳這一復合體中的蛋白質進行測量，完全實現了快速而準確的牛乳蛋白質測試，為利用光散射原理同時測量牛乳多成份這一研究領域開辟了光明而廣闊的前途。
  16. Improved modeling tools and enhancement to many existing commands. examples include better variable radius blend tools, improved booleans, and maybe shelling

    強化許多原本存在的建模工具，像是提供更多變化的曲面接合功能，改善布爾工具，或是增加表面厚度的功能。
  17. Abstract : a new data structure that one link - list was composed of polygon - surface table, edge table and vertex table was proposed to describe the geometry information and topology information of control polyhedron m in the rese arch of modeling with closed surface. compared with other structures which were a pplicable to the work, the structure was understandable, economize and conveniently to modify. after describing the detail of the geometry information, topology inf ormation included in the tables of polygon - surface, edge and vertex, and the poin t - link form of the adjacency multilist between the tables, a concise instance was given in clanguage array

    文摘:介紹了在閉曲面造型研究中，為描述控制多面體m的幾何信息和拓撲信息而設計使用的一種單鏈三表的數據結構.與其他適用與描述控制多面體的數據結構相比，該結構在結合了鄰接多重表方法后的特點是:關系描述清楚，節省存儲空間，方便查找和交互修改形體.在介紹單鏈中三表（面表、邊表、頂點表）所含的幾何信息細節、以及單鏈的三表之間的表示面、邊、頂點拓撲關系的指針的鄰接多重連接方式之後，本文給出了以c語言數組方式簡明描述的數據結構實例
  18. As a part of the civil 863 plans, two multiple - contact models for two kinds of braking system are built in the paper, in which contact fields are described as coons surfaces, initial velocity is programmed in fortran. the thermal - mechanical coupling braking processes are simulated for the first time by msc. marc, the general - used nonlinear fem software. time distributions of the velocity, the stress and the temperature of the components under various initial velocity and brake force are obtained, which offer theoretic gist to study the life of the wheel, the disc and so on

    作為國家行業863重大課題《鐵路機車車輛虛擬樣機系統》的一部分，本文在研究接觸問題和熱?機耦合問題數值方法的基礎上，採用國際上通用的非線性有限元分析軟體msc . marc建立了踏面制動和盤形制動主要部件的多體接觸計算模型，其中用解析方法描述，即用nurb曲線、高斯曲面來描述接觸區域，用fortran語言編寫定義初速度的用戶子程序，首次對兩種制動過程熱?機耦合進行了數值模擬，定量給出了主要制動部件在不同初速度、不同制動力下各個時刻的速度、應力和溫度的變化規律，為研究車輪、閘瓦以及制動盤壽命提供了理論依據。
  19. 2 ) for making the meshes consistent on the common boundaries of adjoining surfaces, a new approach of boundary discretization is employed. 3 ) the boundary - representation structure is adopted to fulfill the mesh generation over combined surfaces. 4 ) the quality of surface meshes is improved by point creation on 3d scan lines and diagonal swapping procedure

    通過引入可移動的虛邊界解決了閉合曲面的剖分問題；通過對鄰接曲面公共邊界的統一處理，保證了組合曲面拼合處網格的相容性；以邊界表示數據結構為基礎實現了三維組合曲面的全自動網格剖分；採用空間掃描線布點、診斷交換等技術，優化了網格的質量；並以autocad為支撐平臺objectarx為開發工具，開發了一個基於幾何造型的曲面三角形網格全自動生成程序。
  20. The diffusion of polypropylene - g - poly ( ethylene glycol ) ( pp - g - peg ) segments in pp blends was investigated by means of atr - ftir and sem

    摘要利用atr - ftir光譜對聚合物表面的組成進行定量分析，通過擴散動力學方程、擬合曲線和擴散系數考察了聚丙烯蠟聚乙二醇接枝共聚物在聚丙烯共混體系中的遷移擴散。
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