激弧 的英文怎麼說

中文拼音 []
激弧 英文
ignition
  • : Ⅰ動詞1 (水因受到阻礙或震蕩而向上涌) swash; surge; dash 2 (冷水突然刺激身體使得病) fall ill fr...
  • : 名詞1. [數學] (圓周的任意一段) arc2. (古代指弓) bow
  1. Examination of the density, strength, hardness and microstructure showed that the mechanical properties and structure of the part made by direct metal forming process are better than that obtained from selective laser sintering process, as good as or even better than castings

    對成形件進行的密度、強度和硬度指標測試和金相組織觀察表明:基於焊的直接金屬成形件的組織結構和力學性能指標明顯優于選擇性光燒結工藝成形件,達到或高於鑄造零件。
  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. Cracking failure of centrifugal compressor ' s impellers was analyzed, the welding craters in the impellers led to stress concentration. the unsteady gas flow accelerated the development of cracks in the impeller

    摘要針對某石化公司離心壓縮機葉輪多次發生開裂、掉塊等故障以及裂紋形成機理進行了分析。分析結果表明了葉輪開裂原因系疲勞開裂,葉輪焊接缺陷產生了焊接坑,造成表面應力集中,氣流振加速了裂紋擴展。
  4. Quantitatively : reciprocal of the value ( generally in minutes of arc ) of the angular separation of two neighboring objects ( points or lines ) which the eye can just perceive as being separate

    定量方面:任一空間分辨力的測定結果,例如觀測者恰可察覺分離的兩個相鄰物體(點或線或其他特定刺)的用分表示的角度間隔的倒數。
  5. There are many different kinds of refractive surgery, but the principle is the same - changing the curvature of the cornea or lens to place the focus sharply back onto the retina

    光矯視種類繁多,然而,其原則如一,即改變角膜或晶體度,以令焦點明確地重落在視網膜上。
  6. Under the stimulation of inactivated vibrio anguillarum, the number of all hemocytes, the number of semigranular cells, the amount of po synthesized and po activity increased about 111. 3 %, 102. 9 %, 40. 4 % and 46. 3 %, respectively. the highest percentege of semigranular cells in all kinds of hemocytes after stimulation implies that it plays a key role in th e innate immune system of penaeus chinensis. morever, under the stimulation of polysaccharides and vibrios, the amount of po increases greatly, but the unit activity of po remains almost unchanged

    本文利用脂多糖( lps ) 、 p一葡聚糖( p一1 , 3一glucan ) 、滅活哈維氏菌和滅活鰻菌4種免疫促進劑對中國對蝦進行了免疫刺,通過分離純化、光鏡和透射電鏡觀察等技術對刺前後中國對蝦酚氧化酶的產量、活性以及血細胞的數量、超微結構的變化進行了研究。
  7. The coating nano - metal materials are prepared by physical adsorption, surface deposition, arc discharge, plasma polymerization, laser cvd and emulsion polymerization

    其制備方法主要有物理吸附法、表面沉積法、電放電法、等離子體聚合法、光化學氣相沉積法、乳液聚合法等。
  8. Manufactures pressure sensors, transducers, load cells, accelerometers, force sensors and strain gages from stock. specialist in micro - miniaturization and applications of semiconductor, thin film, metallic foil and hybrid circuit technologies for the measurement of acceleration, force, and pressure in a multitude of environments

    -提供薄膜制備微粉制備真空冶金分子束外延磁控濺射化學氣相沉積電子束鍍膜光鍍膜甩帶機磁控電爐空間環境模擬等設備
  9. However, the limitation of large - scale production and the high cost have restrained the development of the research on their application. comparing to arc discharge and laser ablation, chemical vapor deposition ( cvd ) is the most possible method with large - scale, low - cost and high - yield advantage to fabricate swnts

    相對電法與光蒸發法,化學氣相沉積法( cvd )是最有望實現大批量、低成本、高產率制備swnts的方法,因此已成為其制備方法研究領域的熱點。
  10. Double forward converter ( dfc ) has many advantages, such as inherent anti - break - though capability, auto clamping the switch voltage etc. regarding the excellent reliability, dfc is one the most widely used topology in the industrial applications, especially for low output voltage area, such as telecommunication energy systems and welding power supply

    雙管正變換器具有內在抗橋臂直通的優點,能使開關管上的電壓自動箝位在輸入電源電壓。由於其可靠性高,電路設計簡單,因而成為目前在工業中應用最普遍的變換器結構之? ,特別是適合於輸出電壓較低應用場合,比如通信系統中的一次電源和焊電源。
  11. Influence of laser parameters on plasma arc beam shaping in the relativistic laser - plasma system

    等離子體系統中模擬光參數對等離子柱形態的影響
  12. In a word, the paper provides an visible software operation platform for the analysis and design of globoidal indexing cam, builds primary model of the mechanism dynamics system, then provides references for the mechanism ' s deep research

    最後對面分度凸輪機構動力學系統的主要特徵進行了分析,並建立考慮構件慣性,嚙合剛度及參數勵的條件下的面分度凸輪機構的振動分析模型。
  13. Since the cornea carries 2 3 of the eyes total refractive power, naturally most refractive surgeries focus on the cornea

    因角膜提供了眼睛總折射功能的三分之二,自然而然,大多數光矯視則集中於改變角膜度之上。
  14. According to the research development of flow - induced gate vibration in recent years, the paper presents a retrospect and a summary on the relationship between hydrodynamic loads and gate vibration characteristics, the hydrodynamic load characteristics and controlling means, the optimum design methods for gate anti - vibration, the dynamic stability analysis of the radial gate ' s arm, the methods to simulate the gate ' s hydro - elastic vibration, as well as the simulation analysis of flow - induced gate vibration

    摘要從水動力荷載與閘門振動特性的關系、水動力荷載作用特點及其控制方法、閘門減振優化設計方法、形閘門支臂動力穩定性分析、閘門水彈性振動模擬方法以及閘門流振動模擬分析等方面,對水工閘門流振動的研究進行了回顧。
  15. The influence of parameters such as mass flow, input power, and constrictor size on arcjet performance is also analyzed. this work provides an experimental foundation for the numerical simulation study and optimized design of arcjet. a high - speed, high - resolution, multi - line spectroscopic diagnostic system has been improved to diagnostic the excitation temperature of arcjet plume

    本文優化並改進了一套高速、高精度的多譜線電等離子體光譜診斷系統,使其適用於電加熱發動機羽流發溫度的診斷,並利用該系統診斷了發動機出口羽流的非平衡程度和溫度沿徑向的分佈。
  16. And based on the simulation of dynamic arc characteristics during the interrupting process, the interactive mechanism of the arc and high velocity gas flow has been deeply analyzed, the variation of the gas flow parameters under the condition of arc clogging and interaction of arc and shock wave have been studied

    在斷路器開斷過程動態電特性模擬的基礎上,深入解析了電與高速氣流的相互作用機理,研究了電堵塞情況下噴口氣流參數的變化,電波的沈陽工業大學博士學位論文摘要相互作用等。
  17. Calculation model for plasma deposition with an assistant laser effect

    光輔助大氣等離子堆焊射流場計算模型
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