螺旋線管 的英文怎麼說

中文拼音 [luóxuánxiànguǎn]
螺旋線管 英文
spiraltron
  • : 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...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 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. The invention of the solenoid provided immediate concrete evidence of this idea.

    圈的發明為這種看法直接提供了具體證據。
  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,電接頭,電纜鉗,夾釘,絲電連接,自粘配合摩,帶包,導連接器,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,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,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,帶包桿導連接器,銅接端子,預絕緣電工工具,電接頭,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,終端連接器,終端塊,釘,尼龍腺體電纜,電纜配件,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. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲道流動和換熱特性的研究成果的基礎上,以轉正交曲坐標系統下的多參數道中的對流傳熱為物理模型,通過攝動方法和有限體積法,首次對各種截面(圓截面、橢圓截面、環形截面、矩形截面)轉曲道內充分發展流動的流動結構和傳熱特性(包括耦合對流傳熱特性)以及轉曲道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析,詳細討論了各種無量綱參數對道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及道nusselt數的影響,獲得了若干創新性成果。
  4. Based on it, a new kind of helix slow - wave structure named elliptical helix slow - wave structure used in helix traveling wave tubes has been detailedly investigated. by studying the rf characteristics of this slow - wave structure, it ’ s found that higher operation frequency and interaction impedance will be obtained by increasing the eccentricity of helix or decreasing it of the shield. meanwhile, great potential of improving system bandwidth has also been found if the eccentricity of helix or shield or the two are properly choosed

    本文對近幾十年大功率行波的研究進展進行了簡單討論,並在此基礎上研究了一種可應用於行波的新型的慢波結構,即橢圓慢波結構,通過對該高頻特性進行詳細分析,我們初步認為,選擇適當的和屏蔽筒離心率,可以提高系統工作頻率,增加系統耦合阻抗,並且具有改善系統帶寬的潛力。
  5. Our main products include central material supply system, series drier, automatic charging machine, single double screw extruder, series heating and cooling blending machine, crusher, cold water machine, mould temperature controller, pipe, bar section, board, pp - r pipe, pe fuel pipe, plastic dual tubing extrusion production line and granulation completed production line equipment, at same time, we also carry on various plastic machine and refrigeration engineering. the products are sold well in every province and city of the whole country and also exported to about 30 countries and areas with strong technical force, advanced equipment, scientific management system and perfect after - sales service

    公司主要產品有集中供料系統系列乾燥機自動加料機單雙桿擠出機粉料高速混合機粒料混合機上料機牽引機切割機離心脫水機化纖團粒機全自動擴口機全自動計量混合裝置破碎機磨粉機冷水機模溫機材型材板材pvc材pp - r材pe供水燃氣材中空壁纏繞材硅芯材生產,雙擠出電工穿材造粒等全套生產設備。
  6. In this dissertation, researches on the flow in curved pipes of the last century are firstly reviewed and then a flow model in a rotating helical pipe with multi - parameters is introduced

    本文首先綜述了一個世紀以來有關曲道流動的研究成果,並在前人文獻的基礎上,提出一種多參數道流動模型。
  7. Evalution and analysis of enhance heat transfer and mitigating soot performance of inside - tube coil inserts

    圈插入物強化傳熱及抗積灰性能的評述與分析
  8. Standard specification for smooth - wall coilable polyethylene conduit for preassembled wire and cable

    預組合電及電纜用平滑壁式聚乙烯導的標準規范
  9. The design of an automatic prodution line for high frequency welding of spiral fin tube

    高頻焊翅片生產自控系統的設計
  10. Research on forced convection heat transfer in a horizontal tube with spiral spring inserts

    圈強化內單相流體傳熱的研究
  11. Our company whether the whole province piece of cloth the key manufacturing enterprise, import and export enterprises on one s own account, having more than 280 workers, management science, regard new product quality as the lifelines of enterprises, run factory aim in line with " to manage quality of taking, want benefit from quality ", update production technology, founding the factory so far since 58, it was the main weaving mill with the towel that was already developed into certain scale progressively, the company specializes in such serial cotton goods as various kinds of high middle - grade towels, bath towel, kerchief worn by male scholars of the ming dynasty, etc. ; the main some changes have spiral, out of stock, print stamp, the flat design of weaving etc. is various, complete in specifications

    我公司為全省巾被骨幹生產企業,自營進出口企業,擁有職工280多人,理科學,把新產品質量作為企業的生命,本著「向理要質量,向質量要效益」的辦廠宗旨,不斷改進生產工藝,自五八年建廠至今,已逐步發展成一定規模的以毛巾為主織造廠,公司專業生產各種高中檔毛巾、浴巾、方巾等系列棉織品;主要花樣有,斷檔,印花,平織等樣式繁多,規格齊全。
  12. The cold model of helical traveling wave tube ( twt ) and the hot model of beam - wave interaction have been developed, based on three - dimensional twt - cad technology, to analytically, to analytically evaluate influence of small variations in helical slow - wave circuit parameters, within or without the manufacturing tolerances, on cold - hot characteristics of the helical twt

    摘要藉助於行波cad技術的發展,建立了行波三維電磁冷模型和注波互作用大信號模型,就慢波電路參數在公差范圍內外做細微變化時,所帶來行波冷熱特性的影響進行了全面研究和討論,得出了一些有用結論。
  13. Application and technology essentials of vacuum evaporation film used in high power helix twt are summarized

    摘要就真空蒸發鍍膜在大功率行波上的應用、工藝要點進行了總結。
  14. This paper presents the study on assembly method, material and structure of the dielectric for improving the heat dissipating performance of slow - wave structures of the helix twt

    摘要綜合敘述了目前人們為提高行波慢波組件的散熱性能而在裝配方法、組件材料以及夾持桿的結構這三方面所進行的研究。
  15. In this dissertation, each of the twt component building blocks, such as the electronic gun, slow - wave structure and the collector, is presented. the thermal theories and the thermal conduction ways of each subsystem are discussed. the author presents some advice on the fast working of twt, the optimization of helix - slow wave structure, and how to minimize the collector

    本文論述了小型化行波電子槍、慢波結構和收集極等部分產生熱的機理以及熱傳導過程,針對小型化行波的啟動速度、改善和優化慢波結構以及縮小收集極體積等方面的提出了改進建議與設計。
  16. Based on the j c chen double mechanisms superposition model, the experimental formula of the heat transfer coefficient on the evaporation side in the smooth tube was obtained. considering the influence of spring to the falling film, the formula of heat transfer coefficient on the evaporation side in the vertical tube with spring inserts was obtained. the predicated heat transfer coefficient through this two formulas was finely accord with the experimental result, and the error was basically under 10 %

    在jcchen雙機理加和模型的基礎上,得出了光降膜蒸發側傳熱系數的實驗關聯式,並考慮了對降落液膜的影響,得出了內插入的降膜蒸發側傳熱系數關聯式,這兩個關聯式預測的傳熱系數與實驗值吻合良好,誤差基本在10以內。
  17. In this paper a newly develoed helical coordinates is used to make out the solution of electromagnetic fields in the helix gap and calculate dispersion characteristics of tape helix slow wave structure for the first time. strict boundary conditions for magnetic fields are adopted and are treated rigorously by fourier expansion. besides, the radial propagation constant of every layer in the dielectric - loaded region is differentiated. some of practical tape helix slow wave structures have been calculated for dispersion characteristics and the calculated values accord with measured values very well. the authors also compare the calculated results with experiments for different structures by changing tape thickness or other structure parameters and find that the theory in the paper is universal

    本文首次運用坐標系給出了帶狀縫隙內的電磁場解,並據此計算了帶狀慢波結構的色散特性.文中採用了嚴格的邊界條件,並以傅立葉展開進行了嚴格的數學處理.另外還首次對有介質區域內各層的徑向傳輸系數作了區別.本文使用這種方法計算了我們已研製的一些寬帶高功率行波所用的慢波結構的色散特性,理論與實驗符合得很好.我們還計算了不同結構參數對色散特性的影響,並與實驗作了對照,發現本文的理論有一定的普適性
  18. Experimental in vestigation of heat transfer character of vertical tube falling film evaporator with spring coll inserted

    內插入的降膜蒸發傳熱性能研究
  19. The influence of falling film evaporation to the heat transfer capability by inserting spring into the vertical tube was studied, and the water was used as medium in this paper

    本文以水為工作介質,研究了垂直降膜蒸發內插入對降膜蒸發傳熱性能的影響。
  20. Wire reinforced rubber hoses for hydraulic - part 2 : rubber hoses and hose assemblies - rubber - covered, spiral wire reinforced, hydraulic type - specification

    液壓用鋼絲增強橡膠軟.第2部分:橡膠軟和軟組件.橡膠包覆的增強液壓型.規范
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