有效螺旋 的英文怎麼說

中文拼音 [yǒuxiàoluóxuán]
有效螺旋 英文
effective helix angle
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 螺 : 1. [動物學] （軟體動物） spiral shell; snail; conch 2. （螺旋形的指紋） whorl （in fingerprint）
  • 旋 : 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...
  • 有效 : effective; valid; efficacious
  • 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. Condom serves as a protective screen, can keep apart syphilis helicoid effectively, drench coccus, trachoma garment former put oneself in another ' s position, aids virus, pure blister exanthema is poisonous, the cause of disease such as second liver virus is microbial

    避孕套作為一道屏障，能夠有效的隔離梅毒螺旋體，淋球菌，沙眼衣原體，愛滋病病毒，單純皰疹病毒，乙肝病毒等病原微生物。
  2. At present, the treatments in western medicine to chronic peptic ulcer were only directed against gastric hyperacidity or gastropyloric spirobacteria and the therapy in traditional chinese medicine were not intended for the pathologica changes of chronic peptic ulcer

    分析了消化性潰瘍目前中西醫學的常規療法及特點，認為西醫的治療僅針對「胃酸」和「幽門螺旋桿菌」之病因，而中醫治療沒有抓住本病的病理本質，故療效不理想。
  3. The features of metal screw gear is reducing noise and libration. what is noticeable is : the equivalent plastic straight gear may effectively reduce the noise and libration

    金屬螺旋輪通常特點是能降低噪聲和振動值得注意的是，等效的塑料直輪可以更有效地降低噪聲和振動。
  4. A screw conveying mechanism suitable for dztc series machines was obtained through calculation, so as to prove the reliability and effectiveness of the calculating method

    通過計算得出了適合dztc系列機器的螺旋送料機構，從而證明了演算法的可靠性和有效性。
  5. Compared with the mud on wall form hole technology, clash stake technology or vibration sink pipe technology used in complex foundation stake forming, it has advantages of no vibration, no pollution, and no noise. in addition, since the concrete pressed into the drill stem sent vibration free concrete to the pump, so it is eas y to ensure the quality of the stake body. compared with the mud on wall and dry work form hole technology, the side obstruction and end obstruction of screw drill press concrete stake have all been accordingly improved, the weight bearing is better, and the transmutation of the complex foundation is less

    其中，螺旋鉆孔壓灌混凝土成樁技術自研製以來，已在多項復合地基工程中進行了應用，較好地解決了軟弱地層成孔困難的問題，適應地質條件范圍廣，成樁速度較快，工期短、工效高；與復合地基成樁時的泥漿護壁成孔工藝、振沖樁工藝或振動沉管工藝施工比較，具有無振動、無污染、無噪音的優點；另外，壓入鉆桿內的混凝土為泵送免振混凝土，因此樁體質量易於保證；與泥漿護壁和干作業成孔工藝相比，螺旋鉆孔壓灌混凝土成樁的側阻和端阻都有相應的提高，樁的承載性能較好，復合地基的變形較小。
  6. Energy losses leading to a decrease in head are also done away with, likewise losses in flow rate from the screening installations, both of which can have a detrimental effect on the efficiency of the facility. the constructional effort required for a hydrodynamic screw is small compared to that required for a turbine. if the compact version of a hydrodynamic screw hydrodynamic screw trough power take - off unit combined as a single unit is used, the constructional effort can be further reduced

    水力螺旋機技術的優點有：無需監控系統，可自行調節水體供給和供給頻率運行效率高於水輪機和小型渦輪機效率梯度平穩轉速低20rpm - 80rpm ，運行穩定防磨損無需定期清潔，易維護對河道湖泊里的魚蝦無損害基礎工事少，安裝簡便無堵塞，無需隔欄裝置能量利用充分等。
  7. Se stress and se bio - organization in two species of spirulina at different growing phases

    兩種螺旋藻在不同生長階段的硒脅迫和生物有機化效應
  8. The lifting - line and lifting - surface design method, the harmonic analysis method based on the panel method, new section design ways, the effective operating curves are integrated into a whole design system of the unsteady propeller, the design system is effective and reliable by the design example, the model test and the application to the full scale ship

    本文把升力線和升力面設計方法、基於面元法預報螺旋槳非定常性能的諧調分析方法，新剖面設計方法、有效運轉曲線計算方法組合為一套完整的非均勻流場中螺旋槳設計計算系統，經實例設計和模型試驗及實船的應用，該設計系統是可靠且有效的。
  9. Through the utilisation of this energy, which is left unused by nature, an energy source is tapped, with whose help a part of our energy requirements can be covered, which would otherwise have to be covered by fossil fuels. the excellent properties of the hydro - dynamic screw are its minimal disturbance to the environment, the environ - mental friendliness and long service life. a capacity of 0. 1 to 5. 5 cubic meter per second and a head up to 10 m, enables it to utilise hydrodynamic powers which are ruled out for turbines for reasons of cost

    水力螺旋發電機同傳統的水輪機和渦輪機相比具有優越性，其對環境的影響很低，環境友好且使用壽命長，而且高達5 . 5立方米秒的水體輸送容量和高達10米的水頭使其可以充分的利用水能，只要有1千瓦的能量也可以利用，運行效率遠高於渦輪機，且投資和運行成本低於渦輪機。
  10. We sincerely hope to establish friendly mutual - benefit business relationship with customers abroad and home

    由四根螺旋盤條組成的球狀螺旋組合網，結構牢固，有效過濾面積大。
  11. A two component design consisting of appropriate size and length of structural reinforcing rods and dead - end component is required to transfer axial tensile loads and distribute radial compressive forces through the plastic jacket and onto the internal strength members without damaging the fragile plastic jacket or internal optical fibers

    螺旋預絞絲結構不僅能有效地降低配合區域內光纜單位應力和避免應力集中，傳遞軸向張力，而且將預絞絲的徑向壓力均勻地分佈在這段較長的配合區域內。
  12. With vrml techniques, the process of co - rotating twin - screw machining is simulated based on the theory of machining with milling cutter, and the machining simulation theory and its key techniques are discussed. the mathematic model and computation are proved correct and feasible through cutting experiment and the model is now applied in practice

    該方法和技術可以有效的支持同向雙螺桿圓柱螺旋面的加工刀具的優選。並在用圓柱立銑刀加工同向雙螺桿的理論基礎上，利用vrml技術，對加工過程及其理論誤差進行了模擬，討論了模擬加工的原理和關鍵技術。
  13. The main works are shown as followings : in order to get best economic benefits and quickest time response, the advantages and shortages of existing methods for machining twin - screws are analyzed. in view of the production of co - rotating twin - screw is various and mostly in small batch, a new approach for forming cylinder helical surface with milling cutter is put forward. it presents the theoretical foundation for machining of twin - screw

    論文主要工作有如下幾點：針對同向雙螺桿產品零件的多品種、小批量的生產特點，為了取得最佳經濟效益和快速地時間響應，在查閱了雙螺桿加工有關的國內外文獻資料，研究分析了雙螺桿各種現有的加工方法的優缺點，提出了一種新的加工方法? ?用圓柱立銑刀成形加工雙螺桿螺旋面。
  14. Oblique spiral crowd the thick liquid machine is used for making concentrating and washing to various kinds to various kinds of paper pulps of papermaking trade of thick of thick liquid mainld. especially it is suitable for dehydration concentrate of wasted paper pulp. with pairs of spira crowd thick liquid machine machine in series, it can reach the needed of treatment density of the hot dispersing, achine. it have the advantage such as heavy productivty, dehydrate effectual, save floor space, convenient operate and maintain

    斜螺旋擠漿機主要用於制漿造紙行業對各種紙漿的濃縮和洗滌，尤其適用於廢紙漿的脫水濃縮，與雙螺旋擠漿機串聯使用可以達到熱分散機所需的處理濃度，具有生產力大、脫水效果好，節省佔地面積，操作維修方便等優點。
  15. Xlp a is whirlwind dust catcher with high efficient and it can be divided into x type suction type and y type suppressed type in line with position of blower fan, while a type is added with outlet propeller cap

    Xlp a是帶有旁路的乾式高效率旋風除塵器。它根據風機前後位置的不同分為x型吸入式和y型壓入式其中a型是在除塵器本體增加了出口螺旋殼。
  16. Implicit in the idea of scaffolded is that the teacher enables learners to participate in complex tasks that they cannot perform adequately without assistance ( reid, 1991 )

    教學的主體是學生，但是教師的支持是經常存在的，這些表明教師的工作在「最近發展區」內時，其支持和教學難度的螺旋上升是最有效的。
  17. Hd propellers are a type of marine propellers having new blade sections, moderate skew and a small area - ratio, with the virtues of higher efficiency, lower vibration and noise and lighter weight

    滬東型（ hd ）螺旋槳是一種新型的葉剖面、中等側斜、小盤面比的螺旋槳。它具有效率高、振動和噪音低、重量輕等優良性能。
  18. 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，導熱油外盤管反應鍋，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，列管式冷凝器，螺旋板式換熱器，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。
  19. To ensure the charging pump working reliably, the following measures should be adopted : ( 1 ) adopting modified circular casing to reduce the radial force of the impeller and decrease the seal clearance ; ( 2 ) using radical ribs on impeller and helical sealing on shaft to realize minor pressure differential ; ( 3 ) using back pressure stuffing box to ensure sealing under small packing force ; ( 4 ) adopting self - lubricant flexible graphite stuffing for absorption of solids entering in the graphite in case of leaking

    為確保灌注泵可靠工作，提出改進措施： （ 1 ）採用改型環形泵體降低葉輪的徑向力，減小軸封間隙，抑制泄漏； （ 2 ）採用背葉片降低葉片根部壓頭，獲得微壓，使軸封兩端承受較小壓差； （ 3 ）採用螺旋密封降低軸封兩端壓差，在保持微壓的同時避免出現負壓，密封效果更好； （ 4 ）採用反壓式填料密封結構，在很小的壓緊力下，即可保證密封； （ 5 ）採用具有潤滑功效的柔性石墨填料，即使發生軸封泄漏，進入石墨內部的固相顆粒也將隨著石墨的消耗而被鉆井液吸收。
  20. Their maneuvering and control systems are made up of several propellers. this system has many disadvantages such as big volume, high consuming of energy, low total efficiency, high noise and vortex

    它們使用的操縱和控制系統大多是由多個螺旋槳推進器組成的，這樣的系統體積大、重量大、能耗高、綜合效率低，並有較大的噪音和尾渦。
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