arc shell 中文意思是什麼

arc shell 解釋
瓦楞子粉末
  • arc : A. R. C. ＝ American Red Cross 美國紅十字會。n. 1. 弧；弓形，拱（洞）。2. 電弧，弧光。
  • shell : n （pl shells 2 義為 shell）1 殼；介殼；甲殼；貝。2 （昆蟲的）翅鞘；蛹的蛻皮。3 【解剖學】種子的...
  1. 3. the arc erosion of cuw80 / crcu integrated contact is primary forming the thicker shell and th shell flake off. 4

    摘要（ 3 ） cuw8o主要是以產生較厚的以w為主的殼層，然後在電弧的反復作用下，殼層剝落，如此循環，導致觸頭的最終燒損。
  2. Rapid prototyping technology changed the traditional pattern of product design, which could offer product sample for the designer, reduced design cycle and quicken the schedule of new product design, and it gave the decision - makers visual feeling. ; rp technology provided kinds of molds including resin - boncled mold laminate mold, investment mold and lost foam casting mold and so on for sand casting investment casting and cavityless casting, it could also use direct shell production casting to make pattern dies metal dies die - casting dies injection dies directly, and it could even produce casting products in small scales. the applications of fdm technology in plaster precision casting and the rapid casting technology based on sls technology were introduced, the organic combination between rapid prototyping tecnnology and foundry process, which initiated a new period of rapid manufacturing metal parts, by using advanced new technology alternated traditional foundry industry to make it looked brand - new, thus, the competition of foundry industry would be improved ; rapid prototyping technology offered a rapid economical feasible technical method, common processes of using rapid prototyping technology to produce dies were discussed, in the paper it explored that. the problem of combining rapid prototyping technology with electric arc metal - spraying technology to make metal dies and technics in dies manufacturing of combining rapid prototyping technology with precision casting, rapid tooling based on rapid prototyping, integrated advanced new technology and tradition technology of rapid prototyping manufacture, each superiority were exerted, rapid prototyping technology had been an efficiency measure to rapid update products and develop new product, and to middle -

    快速成型技術改變了傳統的產品開發模式，可以為設計者提供產品樣件，縮短設計周期，加快新產品的開發進度，為決策者提供直觀性；快速成型技術迅速提供砂型鑄造、熔模鑄造、實型鑄造用的各種模樣，包括樹脂模、層壓模、熔模和消失模等，還可採用直接制殼鑄造法直接製造熔模鑄造用的壓型、金屬型、壓鑄型、注塑模，甚至直接製造小批量鑄件，介紹了熔積成型技術在石膏型精密鑄造上的應用和基於選擇性激光燒結技術的快速鑄造技術，快速成型技術與鑄造工藝的有機結合，開創了快速製造金屬零件的新階段，對用高新技術改造傳統的鑄造工業，使其面貌煥然一新，增強鑄造行業的競爭能力；快速成型技術為母模的製造提供了一條快速、經濟、可行的技術途徑，討論了利用快速成型技術製造模具的一般工藝方法，探討了將快速成型技術與金屬電弧噴鍍技術結合起來快速製造金屬模具問題，以及快速成型技術與精密鑄造技術相結合的模具製造工藝，基於快速成型製造的快速模具技術，集成了快速成型製造高新技術和傳統技術，發揮各自優勢，已成為產品快速更新換代和新產品開發及中、小批量生產的有效手段之一。
  3. Taking out a piece of frame in vierendeel latticed shell, analyzing the sameness and difference between vierendeel arc and full - web arc in mechanics characteristic

    取出一榀空腹拱為研究對象，分析了它與實腹拱在受力特點和性能的異同。
  4. The results indicate that the vierendeel arc is similar to full - web arc in macro while they are different in local. by comparing the mechanics characteristic between orthogonal vierendeel dome and vierendeel arc, the results reveal that vierendeel dome has the advantages of vierendeel arc and shell structures

    通過對正交空腹網殼整體結構的受力特點與單榀空腹拱的比較，表明正交空腹網殼具有空腹拱的優點，又發揮了殼體結構以受薄膜力為主的特點。
  5. The electric arc tube s shell shaped and neck shrank method is put forward according as the quartz glass characteristic

    本文介紹電弧管泡殼成形、縮頸工藝和設備的研究。
  6. Abstract : the shaped technique of the electric arc tube s shell with neck, which is used in the small power metal - halide lamp, is introduced in this paper

    摘要:超小功率高強度氣體放電燈電弧管電極極間距誤差要求小，二電極對中要求高，所以採用在電弧管泡殼兩端加縮頸來定位電極。
  7. The mathematic model of the ultra - thin spherical mirror is to be treated as elastic thin shell. then the predigested model, i. e., bended beam, used in qualitative analysis was proposed, and its deflection and stress formulas under the freely supported condition were set up. based on an off - axis aspherical primary mirror, the relationship of aspherical surface error ( rms ) in tangential plane with bended beam ’ s radius r, position s of concentrated load p and geometry length l of arc was analyzed

    根據這一設想，本文建立了超薄鏡的數學模型?薄殼，並提出了強制力作用下超薄鏡的簡化模型?曲梁，推導了曲梁在簡支情況下受力變形的撓度公式，並結合一個實例，計算出曲梁變形后與所需非球面的面形殘差（ rms ）在子午方向與曲梁弧長l 、曲梁半徑r及集中力位置s的關系及滿足面形精度的r和s范圍，分析了弧矢方向的rms ，得出了同時滿足子午和弧矢方向面形要求的l 、 r和p 。
  8. By means of curvature estimation of vertices, arc identification and arc grouping, a set of profile curves are computed to describe a rounding feature. meanwhile, a rounding mesh is extracted from the mesh model. ( 2 ) approaches of feature - based local modification on shell meshes are studied

    提出了一種等半徑及變半徑圓角過渡特徵的提取演算法，採用二次曲面擬合估算出網格頂點的主曲率，根據網格過渡區域的曲率特性，計算出一系列截面輪廓線來描述圓角過渡特徵，同時將過渡區域數據從模型中分離。
  9. The principle of the predigestion in geometry modeling is omitting the function part and the non - load - carrying process structure, and to the big and transition arc, the curve is replaced by straight line using the thought of curve and free - surface segmentation. the physical characteristic of the digital model reflect on remaining the main mechanical characteristic of the objects. the shell element model is used in strength analysis, stiffness analysis and dynamic analysis

    文中幾何建模的簡化原則是，略去功能件和非承載的工藝結構，對于大圓弧和過渡圓弧，以曲面分塊和曲線分段的思想進行適當的以直代曲;數模的物理特性反映在最大限度地保留對象的主要力學特性;在強度、剛度和動態分析中採用殼元模型，輕量化設計中採用梁元模型;材料特性根據所用材料定義其主要性能參數。
  10. Since 1997, the loading arms and the twin seal guide way valves used in the projects invested by the foreign oil and gas corporation are almost made in our company. we have supplied equipments and service for esso shell total arc elf bp basf and others

    我們的企業具有穩定可靠的商譽，同時，我們吸取了國內外企業先進的管理方法，使我公司在經營生產中充分體現了「高效嚴謹拼搏向上」的企業精神。
  11. 2. the arc erosion of cuw70 / crcu integrated contact is first from the even volatilization of the surface cu, following by the formation of a w shell on the surface of w skeleton, then the shell flake off, after this, new arc erosion occur

    （ 2 ） cuw70的燒損先是表層的cu均勻揮發，接著在骨架的表面形成一層以w為主的殼層，然後殼層剝落，裸露出來的繼續燒損，如此反復，導致了觸頭的燒損。
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