arc efficiency 中文意思是什麼

arc efficiency 解釋
電弧效率
  • 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。
  • efficiency : n. 1. 功效。2. 效率；效能；實力，能力。3. 【物理學】性能。
  1. After canvassing the basic theories and methods of reliability and optimization design of the transmission system, analyze the designs of the v - belt transmission, arc cone gear and disk spring separately. it is propitious to raise efficiency, improve capability, increase reliability, and decrease cost and so on

    在研究了機械可靠性優化設計基本理論和方法之後，分別分析了v型帶傳動、圓弧錐齒輪、液壓卡盤碟型彈簧的可靠性優化設計，對其進行針對性的研究，並通過試驗對設計結果進行檢驗。
  2. The investigation shows that plenum chamber total pressure has multifarious effects on arcjet thruster operation, and both specific impulse and thrust efficiency can be improved by increasing it befittingly under steady arc

    研究表明，集氣腔總壓對推力器工作過程具有多方面的影響，在保證電弧穩定的情況下，適當提高集氣腔總壓可同時提高比沖和推進效率。
  3. 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。
  4. Although arc spraying has the advantages of high deposition efficiency and low cost, only electrically conductive wire materials can be adopted for arc spraying. the quality of coatings produced with plasma spraying and hvof is high, but large volume of plasma spraying equipment makes it difficult to be used on site, and the high investment of equipment, the large consumption in fuel and high cost prevent from spreading of hvof

    雖然電弧噴塗的效率高、成本低，但它僅適用於具有導電性的線材噴塗：等離子噴塗及超音速噴塗制備的塗層質量高，但等離子噴塗設備龐大，不適用於鍋爐現場噴塗；超音速火焰噴塗設備昂貴、耗氣量大、塗層成本高，從而限制了它的推廣。
  5. Three finite - difference methods, i. e., stagger grid, implicit and explicit algorithms, are analyzed in detail. multi - grid algorithm is firstly introduced in elastic wave simulation, to solve for the stability problem inherent in stagger grid and implicit algorithm, also for the efficiency problem inherent in explicit algorithm, and the precision, stability and efficiency for simulation of elastic wave arc increased by multi - grid method. phase - delay method is provided to effectively absorb boundary reflection and increase efficiency for wave motion simulation, based on phase delay and amplitude decaying features along wave propagation

    在水平分層介質接收函數的波形反演研究的基礎上，本文系統闡述了非均勻介質中彈性波傳播數值模擬常用的三種有限差分方法：顯式差分、隱式差分和交錯網格法，首次將多重網格演算法應用於彈性波方程的數值模擬問題，克服了交錯網格法和顯式差分法穩定性差，以及隱式差分法計算效率低的缺點，大大提高了彈性波數值模擬的精度、穩定性和計算效率。
  6. Separated dispersion disgs create higher efficiency and productivity / specially designed discs have six guiding arcs, each arc has a 45 degree angle to the disc surface which allows the pearls a 45 degree centrifugal friction and impact

    分離式葉片創造高效率、高產能/特殊設計的導珠弧與葉片平面成45度，帶動磨珠作45度離心角的磨擦碰撞。
  7. And the reflectance in the short wavelength range is lower than that of a double layer arc, which is beneficial for improving the solar cell efficiency. ( 2 ) reflectance characteristics and morphology, the etching solutions

    可以和具有tio _ 2 - mgf _ 2雙層減反射膜的常規堿腐蝕的結果相比擬，且在能量較高的短波范圍內具有更好的減反射特性。
  8. Several illustrative examples arc appended to verify the efficiency of the proposed methods

    由實例的驗證可知：本文所提之方法對于降低暫態溫度效應的影響確屬有效。
  9. This paper presents the effects of some features on the productivity of raw c60 materials, such as distance and approaching speed of electrodes, helium partial pressure and arc current etc. then we separate and purify the raw materials and obtain pure solid c60 of 99. 9 % and compare the purification efficiency and effect of different fluxion phase and fixed phase and discuss the effects of the experimental conditions, such as the depositing speed, the type of the substrate, the surface structure of the substrate and the temperature of the substrate. finally, we use xps, afm, ultraviolet, infrared and raman to analyze the component, structure and feature of the films qualitatively and quantitatively

    本文首先研究了氦氣分壓、弧電流大小、電極間距以及電極推進速度等實驗條件對制備c _ （ 60 ）粗品產率的影響；接著選用柱色譜法分離提純得到了純度大於99 . 9的c _ （ 60 ）固體，比較了不同流動相和固定相的提純效率和效果；然後採用自己改進后的真空鍍膜機，利用電阻式加熱蒸鍍方法，得到了純c _ （ 60 ）薄膜和不同摻雜比的銀摻雜薄膜；探討了沉積速率、襯底種類、襯底表面結構以及襯底溫度等實驗條件對薄膜結構的影響；最後通過xps ， afm ，紫外，紅外，拉曼對薄膜的成分、結構和特性作了定性和半定量分析。
  10. The results are compared with old ones. it is clear that arc voltage, thrust, specific impulse, efficiency and stability are all improved remarkably

    結構改進后，發動機的弧電壓、推力、比沖等性能以及各工況下的工作穩定性都得到了顯著改善。
  11. Summary by reformming exist bury arc welding machine, current rang of welding machine is changed, it absolved small batch - process by thin and thick welding parts, promote efficiency, save the money and extend scope of application of welding machine

    通過對現有埋弧焊機改造，使焊機的電流調節范圍改變，解決了小批量超厚超薄件的生產，提高了效率，節省了開支，擴大了焊機的適用范圍。
  12. Driving system consists of gearwheel box, universal shaft couplings and an arc - gear synchronous belt with perfect driving accuracy and high mechanical efficiency. so the mechanical consumption is small

    傳動系統採用齒輪箱、萬向軸聯軸器、圓弧齒同步帶相結合，同步性高，機械損耗小。
  13. Arc welding technologies in japan have been advanced steadily since the time when an application of covered electrodes was first examined in the shipbuilding industry about 90 years ago. the history of the arc welding technology has always been the history of the pursuit of higher " efficiency and speed " of welding processes welding materials, originally started with covered electrodes ， have been developed into more efficient submerged arc welding materials and gas ? shielded arc welding materials with which automatic welding and robotic welding can easily be conducted. the gas ? shielded arc welding materials can be classified mainly into solid wires and flux ? cored wires ( fcws ), and of these wires ， fcw has been increasing in uses year by year because of its excellent workability and efficiency. this article describes the recent trends in the development of fcws which now hold the major position in the welding materials. a special focus is put on the fcws for carbon steels

    90年前，日本的造船業開始使用藥皮焊條.自此，日本的弧焊技術取得了長足進步.弧焊技術的歷史是焊接工藝"高速度、高效率"的歷史.自藥皮焊條開始焊接材料已發展成為更高效的埋弧焊焊材和氣保焊焊材，並能更容易地結合自動化焊接和機器人焊接.氣保焊焊材主要分為實芯焊絲和藥芯焊絲，藥芯焊絲的應用因其出色的實用性和效率而逐年增加.介紹了藥芯焊絲作為主要焊材的發展趨勢，尤其是在碳鋼焊接上的應用
  14. The gas - shielded arc welding materials can be classified mainly into solid wires and flux - cored wires ( fcws ), and of these wires, fcw has been increasing in uses year by year because of its excellent workability and efficiency

    自藥皮焊條開始焊接材料已發展成為更高效的埋弧焊焊材和氣保焊焊材，並能更容易地結合自動化焊接和機器人焊接。
  15. Simulation experiments arc carried out, which verify the validity and efficiency of the new modeling technique for spot - welds of autobody

    模擬實例說明，此新型焊接單元，既保證了模擬計算的可靠，又避免了傳統演算法中細化局部網格的處理，減輕了工作量。
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