螺旋導管 的英文怎麼說

中文拼音 [luóxuándǎoguǎn]
螺旋導管 英文
spiral duct
  • : 1. [動物學] (軟體動物) spiral shell; snail; conch 2. (螺旋形的指紋) whorl (in fingerprint)
  • : 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...
  • : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
  • : Ⅰ名詞1 (管子) pipe; tube 2 (吹奏的樂器) wind musical instrument 3 (形狀似管的電器件) valve;...
  • 螺旋 : 1 (具有螺紋的圓柱體 屬于斜面類的簡單機械) corkscrewspin; screw; spiral; helix 2 (螺旋現象;尾旋...
  1. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡水流運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。
  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,三層傳感器座輕型雙座通用塊,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,電纜標記,膨脹釘/插頭,電線接頭,電纜鉗,夾釘,絲電線連接,自粘配合摩,帶包,線連接器,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,終端連接器,電線,預終端絕緣,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,終端連接器,終端塊,釘,尼龍索腺體,聚乙烯材及快速接頭絲,圓釘電纜夾,自粘配合固定座,擴大釘,帶包線連接器,銅接線端子,預絕緣電工工具,電線接頭,電纜接頭固定座,尼龍拉鏈,尼龍關系,電纜終端,預終端絕緣,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,終端連接器,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. Import bottles needles inserted to exhaust the moji guarding cap and small taper ti bottles, liquid filters, pp small conditioners, y - links, the screw cap and guarding, 1. 25 metres in length catheter, a single sticks of pe bags with dialysis paper, the point of a needle

    帶排氣的插瓶針進口膜及護帽及小錐度滴瓶藥液過濾器, pp小調節器y三通,公及護帽, 1 . 25米長,單支pe袋貼透析紙,針尖。
  4. For getting the runner characteristics more correctly, researching the representation of runner characteristics of the kaplan turbine in this paper, and using this method of modifying runner characteristics to calculate the transient of hydraulic power station. improving the calculating model of the axial thrust in the kaplan turbine ' s transient. base on the theory of screw propeller without any boundary, using the theory of screw propeller with pipe, and the formula to calculate the dynamic axial thrust during transient is developed

    本文對轉槳機組在過渡過程中的槳葉劃水產生水推力的數學模型進行了改進,在原來使用無邊界槳進行等效的基礎上,使用了槳對轉槳機組中的槳葉劃水進行等效,並且比較詳細的分析了影響轉槳機組軸向水推力的各個因素,以及給出了動態計算軸向水推力的公式,通過計算表明,使用改進后的動態水推力計算模型得到的結果能較好的反應實測的動態軸向水推力。
  5. Import bottles needles inserted to exhaust the security apparatus and moji big taper ti bottles, liquid filters, pp - conditioners, y - links, the screw cap and guarding, 1. 5 metres long catheter, a single sticks of pe bags with dialysis paper

    帶排氣的插瓶針進口膜及護帽及大錐度滴瓶藥液過濾器, pp大調節器y三通,公及護帽, 1 . 5米長,單支pe袋貼透析紙
  6. Dispersion analysis of three - fold helical rippled waveguide for 8 mm gyro - twt and gyro - bwo

    行波和返波的三折波紋波色散分析
  7. After considering the curvature effects, we find that armchair tubes are yet metallic with no band gaps. as for metallic zigzag tubes and metallic chiral tubes, a curvature - induced band gap and two accessional von hove singularities can be found. the width of the band gap depends on its tube - diameter and chirality

    我們發現,在考慮捲曲效應以後,扶手型不產生帶隙,仍為金屬性;而對于鋸齒型金屬性型金屬性,因捲曲誘在費米能附近產生一個窄的帶隙以及兩個附加的范?霍夫奇點峰。
  8. With advanced production equipment, leading techniques and scientific management method, the factory is mainly engaged in the production of flat - plate ceramic shell of pipe, helical - type shell of pipe for electric semiconductor, as well as textile ceramics, 9. 5 aluminum ceramics. these products are used widely in the industry of metallurgy, chemical engineering, electric power, electrics, railway, military project and scientific research project

    企業採用先進的生產設備,精良的工藝技術,嚴格的理方式,主要生產電力半體用平板型陶瓷殼,以及紡織陶瓷,九五氧化鋁陶瓷,和陶瓷金屬化產品,廣泛應用於冶金化工電力電子鐵道軍工紡織科研等部門。
  9. Energy loss calculation and optimization of longduct of propeller

    船舶槳長的水頭損失及優化計算
  10. The bandwidth of this kind of twt can reach 30 - 40 % if choosing the optimal parameters of the structure and the beam

    因此,合理選擇慢波結構幾何尺寸和電子注參數,具有中心體軸槽行波的相對工作帶寬可以達到30 ? 40 。
  11. Cables, radio frequency, corrugated tube outer conductor, polyethylene helix dielectric, type sdy - 50 - 22 - 51, detail specification for

    Sdy - 50 - 22 - 51型聚乙烯絕緣皺紋體射頻電纜詳細規范
  12. Cables, radio frequency, corrugated tube outer conductor, polyethylene helix dielectric, type sdy - 50 - 40 - 51, detail specification for

    Sdy - 50 - 40 - 51型聚乙烯絕緣皺紋體射頻電纜詳細規范
  13. The main products includes various steam and electric heating reaction vessel, conduction oil, outer coil reaction vessel, polyester and resin completed equipments, vacuum reducing concentration tank, methanol and ethanol recovery tower, various corrugated stuffing, high effective membrane evaporator, new - type centrifugal drag membrane evaporator, vacuum rake dryer, condensing drum cut - off machine, shell - and - tube condenser,

    本廠主要產品有各類蒸氣電加熱反應鍋,熱油外盤反應鍋,聚脂樹脂全套設備,真空減壓濃縮罐,甲醇乙醇回收塔,各類波紋填料,高效薄膜蒸發器,新型離心刮板式薄膜蒸發器,真空耙式乾燥機,冷凝滾筒切片機,列式冷凝器,板式換熱器,外循環蒸發器,鋁制槽車貯罐,乳化設備,高速剪切分散機,種子罐,發酵罐,多功能提取罐,並承接各類非標設備。
  14. Low power of wall of esophagus showing duct at right, leading down to simple tubulo - alveolar gland with coiled secretory portions

    低倍鏡觀察食道。右側可見有一,於一單泡狀腺相連,分泌部稱狀。
  15. Standard specification for smooth - wall coilable polyethylene conduit for preassembled wire and cable

    預組合電線及電纜用平滑壁式聚乙烯的標準規范
  16. Because gyrotron traveling wave tube amplifier ( gyro - twt ) is an important millimeter wave amplifier with the characteristics of the high output power, the broadband width, and good efficiency, which has vast application vistas in many areas such as millimeter radar, communications, electronic countermeasure, and so forth, it has been pay much respect in the world

    行波是一種大功率、高效率、寬頻帶放大器,在毫米波雷達,通信與電子戰等方面有十分重要的應用前景,因而在國際上受到高度重視。由俄羅斯人g . denisov等提出的波紋波是一種比較理想的結構。
  17. The method was used to analyze the mechanism for enhancing heat transfer by way of using numerical analysis and can be used to study how to apply the field harmony theory to spirally fluted tube strengthen heat - transfer

    本文在場協同理論指下進行了強化換熱機理探討,利用數值分析方法,從分析流場與溫度場的協同配合關系入手,研究場協同理論在強化傳熱中如何應用問題。
  18. The comparision of the computation result and the experimental data shows that prediction of ka series propeller by surface panel method is feasible

    本文嘗試建立一種面元法預報槳水動力性能的方法,為設計槳和研究泵噴射推進裝置建立基礎。
  19. The acute competition in the financial market caused the innovation tide of the financial derivatives, and the relax of the control on it, which in turn fierced the competition in the world financial market. what ' s more, it becomes the intrinsic motivation and provides a favorable environment for the development of financial market. this spire like development aggrandize the uncertainty and volatility of the whole financial market

    金融業的激烈競爭致了金融創新浪潮,並由此引發的政府對金融業的放鬆制,反過來又加劇了市場競爭,並為以衍生金融產品為核心的金融創新提供了內在動機和良好的環境,這一式的過程致了金融市場不確定性和波動性的增加。
  20. Again, the electronic effective masses at bottom of lowest - lying conduction band of narrow - gap semiconductor zigzag tubes are inversely proportional to square of their tube - diameters. as for chiral tubes, the electronic effective masses at bottom of lowest - lying conduction band contact with their tube - diameters and chiralities

    此外,鋸齒型窄隙半帶底的電子有效質量與其徑的平方成反比關系;對于,其帶底的電子有效質量不僅與徑相關,而且與度也相關聯。
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