預旋器 的英文怎麼說

中文拼音 [xuán]
預旋器 英文
prerotator
  • : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
  • : 旋Ⅰ動詞1 (旋轉) whirl 2 (用車床切削或用刀子轉著圈地削) turn sth on a lathe; lathe; pare Ⅱ名詞...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  1. In the second part, firstly, the mathematical model for predicting hydrodynamic characteristics of varivec propeller under steady or unsteady condition are present, based on the general propeller lifting - surface theory, potential flow theory and green theorem. then, theoretical calculation methods for predicting hydrodynamic characteristics of varivec propeller designed above paragraphs are present, based on the finite basic solution method, the unsteady vortex lattice method and hess - smith method

    在理論計算部分,本文首先基於常規螺槳升力面理論、勢流理論和格林定理建立了定常和非定常狀態下全方向推進水動力性能計算的數學模型,然後利用有限基本解法、非定常渦格法和赫斯?史密斯方法對全方向推進定常和非定常狀態下的數學模型進行了數值離散,接下來針對前面所設計的全方位推進進行了數值報。
  2. Our company is specialized in supplying all kinds of terminal block, switch test double block, ground block, fuse block, three - level sensor block with light, double block, universal block, integral block, nylon cable ties, cable ties, releasable cablle ties, self - locking cable tie, marker calbe ties, flexible pipe, cable marker, expansion nail / plug, wire joint, cable clamp, nail clip, screw on wire connector, self - adhesive tie mount, spiral wrapping band, wire connectors, cable tie mounts, nylon fasteners, cable gland, nylon ties, cable terminal, terminals, terminal connector, wiring duct, pre - insulated terminals, cable markers, electrician tools, cabling accessories, plastic cable ties, wire tie, tie wrap, beaded tie wraps, tie wrap adhesive, tie wrap tool, cable, wires, terminal connector, terminal block, nail, nylon cable glands, pe tubing and quick screw connector, circle nail cable clips, self - adhesive tie mounts, expand nails, spiral wrapping bands, screw on wire connectors, copper connecting terminals, pre - insulated electrician tools, wire connectors, cable tie mounts, nylon fasteners, nylon ties, cable terminal, pre - insulated terminals, cabling accessories, plastic cable ties, wire tie, tie wrap, beaded tie wraps, tie wrap adhesive, tie wrap tool, cable, wires, terminal connector, terminal block, nail, nylon cable glands, cable accessories, wiring accessories etc. we offer superior product and best service with competitive price

    我們公司是專門供應各種終端塊,交換機測試雙重座,地面座,保險絲座,三層傳感座輕型雙座通用塊,積分塊,尼龍電纜聯系,電纜聯系,松解錨索關系自鎖式電纜接頭,光纜標記關系,軟管,電纜標記,膨脹釘/插頭,電線接頭,電纜鉗,夾釘,螺絲電線連接,自粘配合摩,螺帶包,導線連接,線纜配合固定座,尼龍緊固件,電纜壓蓋,尼龍關系,電纜終端,終端,終端連接,電線導管,終端絕緣,電纜料,電工工具,電纜配件,塑料電纜聯系,配合鋼絲,為配合劇情,串珠配合纏上搭膠包裹,包裹配合工具,電纜,電線,終端連接,終端塊,釘,尼龍索腺體,聚乙烯管材及快速接頭螺絲,圓釘電纜夾,自粘配合固定座,擴大釘,螺帶包螺桿導線連接,銅接線端子,絕緣電工工具,電線接頭,電纜接頭固定座,尼龍拉鏈,尼龍關系,電纜終端,終端絕緣,電纜配件,塑料電纜聯系,配合鋼絲,為配合劇情,配合串珠包,搭包膠,配合工具包,電纜,電線,終端連接,終端塊,釘,尼龍腺體電纜,電纜配件,線路配件等,我們提供卓越的產品和最好的服務,具有競爭力的價格
  3. The performance of the centrifugal compressor at different diffuser stagger angles and different inlet guide vane ( igv ) prewhirl angles are measured

    摘要對擴壓進口不同安裝角和進口導葉不同角匹配下離心壓縮機的性能進行了實驗研究。
  4. The investigation shows the performance gets quite insensitive to the prewhirl angle of igv as the stagger angle of diffuser vane is reduced to the minimum 7 ; the combination of these two stators enables to greatly improve the compressor efficiency over the entire operating rage, the maximum efficiency with the combined adjustment reaches 86. 0 %, higher than that in alone adjustment of igv or diffuser vanes by 2 %

    研究表明:擴壓進口安裝角最小值為7時,壓縮機性能對進口導葉角不敏感;採用不同的擴壓進口安裝角和不同進口導葉角匹配調節時,壓縮機所能達到的最高效率為86 . 0 % ,比單獨調節進口導葉角或擴壓進口安裝角所能達到的效率高2 % 。
  5. Harmonized system of quality assessment for electronic components : sectional specification : lead screw actuated and rotary preset potentiometers

    電子元件用質量評估協調體系.分規范.導螺桿傳動和轉式調電位
  6. Experimental research on water - laden crude oil separation by hydrocyclone

    水力用於高含水原油分離試驗研究
  7. Investigation on unusual eddying tube type fuel perheater

    異形凹槽流管式燃油的研製
  8. Application of anthracite on rotary kiln with 5 stage cyclone preheater

    五級窯上的使用
  9. Specification for harmonized system of quality assessment for electronic components - blank detail specification - load screw actuated and rotary preset potentiometers - assessment level e

    電子元件質量評估協調體系.空白詳細規范.絲桿傳動和轉式調電位.評估等級e
  10. Harmonized system of quality assessment for electronic components - potentiometers for use in electronic equipment - sectional specification : lead screw actuated and rotary preset potentiometers

    電子元件質量評估的協調體系.電子設備用電位.分規范:絲桿傳動和調電位
  11. Specification for harmonized system of quality assessment for electronic components - potentiometers for use in electronic equipment - blank detail specification : lead - screw actuated and rotary preset potentiometers - assessment level f

    電子元件質量評估協調體系規范.電子設備用電位.空白詳細規范:絲桿傳動和轉式調電位計.評估等級f
  12. Since high tc superconducting ( hts ) tapes for practical applications became commercially available over the past few years, the development of superconducting power technology has achieved significant progress. it is foreseen that superconducting technology will be the prevailing high technology of the 21st century, and that superconducting power equipment will be commercialized soon, enjoying a large - scale worldwide market before 2010. china ' s economy is expanding fast, and the demand for electricity is increasing quickly. at the same time, higher electricity quality will be required. traditional power technology will no longer be able to satisfy future requirements, so superconducting power technology would be the best solution, leading a revolution in the power industry. the history, present status and prospects of superconducting power technology as well as the economic benefits and basic physics problems involved are reviewed

    人們認為,超導體在電力方面出現大規模應用的時間距離我們還非常遙遠.然而,隨著最近幾年來實用高溫超導材料的研製取得重大的進展,高溫超導電力技術的應用已經成為現實,期將在2010年左右出現大規模的應用,並將帶來電力工業的革命.因此,下一個10年將是國際超導技術競爭最關鍵的10年.我國的經濟發展很快,電能需求量增加十分迅速,對電能質量的要求也越來越高.常規電力技術已經無法滿足我國電力發展的需要,超導電力技術是實現我國電力發展目標的必由之路.文章有代表性地介紹了超導電纜、超導限流、超導磁儲能系統、超導變壓和超導轉電機等的基本工作原理及研究發展歷史,並著重介紹高溫超導電力應用研究的現狀、應用前景、經濟可行性及基本物理問題
  13. A numerical simulation of three - dimensional gas flow field in a preheating cyclone

    渦殼式單體三維氣相場的數值模擬
  14. I rotary kiln production plant structure strong, stable operation, high - quality products from the kiln, and offers advanced efficient shaft preheater, five cyclone preheater

    我廠生產的回轉窯結構堅固、運轉平穩、出窯產品質量高,並可為用戶提供先進的高效立筒、五級
  15. The results show that while the mass flow of refrigerant is 1. 85g / s, the inlet temperature of refrigerant is 18. 9, the evaporating pressure is 0. 62mpa, the mass flow of water is 31. 1g / s, and the inlet temperature of water is 36. 9, the refrigerant of miniature evaporator wholly vaporizes in the tube, and the heat transfer rate is 342w. it achieved the demand of design

    經過實驗測試,當製冷劑質量流量為1 . 85g / s ,製冷劑入口溫度為18 . 9 ,蒸發壓力為0 . 62mpa ,水的質量流量為31 . 1g / s ,水的入口溫度為36 . 9 ,此時,螺管蒸發內製冷劑完全蒸發,換熱量342w ,達到了微型蒸發期設計要求。
  16. To avoid jam, expansion bin and automatic - control blowing system and necessary compressed air devices will be adopted to guarantee normal running of pre - heater

    為防止系統結皮堵塞,除在風筒下設有膨脹倉外,還配有獨特的自動控制噴吹系統以及必要的空氣炮,保證系統的正常運行。
  17. Abstract : a modified droplets trajectories analysis model is established for the efficiency estimation of liquid - liquid hydrocyclones based on the single vortex field theory

    文摘:在單渦流場理論基礎上建立了一種改進的油粒軌跡模型,用以測油水粒級分離效率。
  18. Potentiometers, preset, non - wirewound, rotary, style wj50, detail specification for

    Wj50型轉非線繞調電位詳細規范
  19. Potentiometers, preset, non - wirewound, rotary, style wj55, detail specification for

    Wj55型轉非線繞調電位詳細規范
  20. Simulation test study of pre - heat process in pre - heater cyclones

    熱過程數值模擬試驗研究
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