螺旋隙 的英文怎麼說

中文拼音 [luóxuán]
螺旋隙 英文
slack in the screw
  • : 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 (縫隙; 裂縫) crack; chink; crevice 2 (空閑) gap; interval 3 (漏洞; 機會) loophole; op...
  • 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 paper the floral ontogeny and the ovary development of rivina humilis l. were observed. the results showed that ( 1 ) the tepal primordia initiated in 2 / 5 spirals. the abaxial one initiated first, then the adaxial one, finally the lateral two initiated nearly simultaneously. the third one initiated on the position near the first tepal, and there is a gap between itself and the second tepal. ( 2 ) the 4 stamineal primordia initiated in one whorl at the same time. ( 3 ) the carpellary primordium initiated from the abaxial side of flower primordium ; the carpellary primordium grew upwards and towards axis after it was formed, therefore an elliptic orifice was formed at the adaxial position of ovary, which was the remainder of the mouth of ovary before the ovary was fused completely. with the ovary maturing, the orifice was narrowed because of the ovary growth, at last fused completely. the gynoecium is composed of a single carpel. ( 4 ) in the series developmental sections of ovary, the ovular primordium was initiated on the adaxial meristem when the mouth of ovary was formed

    對數珠珊瑚的花器官發生和子房的發育過程進行了觀察.結果表明: ( 1 )數珠珊瑚花被呈2 / 5狀發生,遠軸側的1枚先發生,其次為近軸側的1枚發生,最後側方的2枚花被幾乎同時發生,第3枚花被在靠近第1枚的位置發生,第2枚和第3枚之間有1個空; ( 2 ) 4枚雄蕊是同時發生的; ( 3 )心皮發生於分生組織的遠軸側,心皮原基形成后,向上向軸生長,在子房成熟前在近軸側非正中位形成1個孔,該孔為心皮最終愈合前的殘跡,到子房成熟時,因子房的生長孔被擠壓縮小,在進一步的生長過程中愈合.子房由1枚心皮構成; ( 4 )從子房發育過程的切片看,該植物的胚珠是在子房發生后不久發生的,子房上的圓孔形成時,從近軸側的分生組織發生胚珠原基,由胚珠原基分化出珠被與珠心
  2. 3. the trapping characteristics of ordinary helical gear pump are lucubrated by theory for the first time, the theoretic relation of the gear rotor between the end overlap coefficient and trapping phenomenon is discussed respectively with clearence or without clearcence, and the relation of trapping volume with the rotational angle turn is also discussed. the selective range of the helical angle that can eliminate completely the trapping of helical gear pump is gained, which never appeared in literature before

    首次對普通斜齒齒輪泵的困油特性進行深入的理論研究,分別討論了有側和無側時普通斜齒齒輪泵轉子的端面重合度與困油現象之間的理論關系,以及困油容積隨轉角的變化關系,得到了完全消除斜齒齒輪泵困油沖擊的角機械科學研究院博士學位論文的選擇范圍。
  3. The surface of propeller, hub and the vortex of blade is discreted by a number of small hyperboloidal quadrilateral panels with constant source and doublet distribution

    槳葉、槳轂表面和槳尾渦面採用四邊形雙曲面元離散,以消除面元間的間
  4. Measuring clearance between propeller shaft & bearing

    槳軸與軸承間測量。
  5. This paper develops a mathematical model for the solution to the longitudinal tooth curve of an internal gear shaver based on the simplified principle for space transmission of a helical gear pair without flank clearance, and proposes a calculating approach of the profile modification of the grinding wheel to be used for grinding the longitudinal tooth curve of the shaver

    摘要用簡化的空間齒輪作無側嚙合傳動的原理,建立了求解內剃齒刀齒向曲線的數學模型,並給出了修磨這種齒向曲線的盤形砂輪的廓形計算方法。
  6. 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,扶手型管不產生帶,仍為金屬性管;而對于鋸齒型金屬性管和型金屬性管,因捲曲誘導在費米能附近產生一個窄的帶以及兩個附加的范?霍夫奇點峰。
  7. Current nod external nomal method can accurately solve the initial clearance of contact curved surface. the accurate analysis of load distribution, longitudinal load dispersion and contact patterns to spiral bevel gears has been deduced, and that the variation of the contact center of loaded spiral bevel gears and the contact center of non - loaded spiral bevel gears has been analysed

    當前節點外法矢法可以精確計算接觸曲面的初始間量,本文用這一方法對錐齒輪齒間載荷分配、齒向載荷分佈以及接觸區形狀進行了精確分析,而且分析了加載情況下錐齒輪齒面接觸中心點軌跡與無載下錐齒輪接觸軌跡的變化。
  8. 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,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。
  9. A new type roller is first put forward in this paper ? ? rolling screw roller. there is something improved and enhanced on the basis of traditional roller. the rolling screw roller can absorb shocks more efficiently, can reduce noise and vibration during transmission, and extended roller useful life, thus extending the useful life of the chain

    卷制滾子不同於以往傳統滾子是通過冷擠壓成型,它是通過絲材卷製成型的,因此,它周身遍布縫,整個縫狀,在工作中,可以依靠這些縫吸收沖擊能,減少高速多沖對滾子造成的傷害。
  10. 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,鋸齒型窄半導體管導帶底的電子有效質量與其管徑的平方成反比關系;對于型管,其導帶底的電子有效質量不僅與管徑相關,而且與度也相關聯。
  11. The swing check to stop reverse - flow is moounted in the disc - lever with little axial and radial play and held by screw nuts

    用來阻止逆流的啟式止回閥是安裝在閥板拉桿上,有微小的軸向和徑向活動間,並用調節母固定。
  12. 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線縫內的電磁場解,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管所用的慢波線結構的色散特性,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
  13. From the top of the air gap, thread the relief valve hose down and out the slot

    從氣頂部,將安全閥軟管下來,並拉出溝槽。
  14. The results of study show that contact problem of spiral bevel gears is an irreversible process. the initial clearance of contact curved surface, the contact point initialization of possible contact area and uncontact point deleting method are all affected calculating objective

    研究表明,錐齒輪齒面接觸問題的求解過程是復雜的不可逆過程,接觸曲面的初始間量、可能接觸點對的預置以及非接觸點的刪除都影響求解的結果。
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