螺線形的 的英文怎麼說
中文拼音 [luóxiànxíngde]
螺線形的
英文
helicoidal-
Two general categories of dislocations are spiral and line(edge), the terms being aptly descriptive of their shape.
位錯一般分為兩種形式,螺形和線形(刃型)位錯。其術語恰當地表徵了它們的形狀。The construction of pythagorean hodograph quintic spirals is introduced. its use for the various transitions encountered in highway design is analyzed. practical examples of highway design, namely, straight line to circle, circle to circle with c transition, using quintic ph spirals are illustrated
介紹了五次ph螺線的構造,並將其應用於高速公路過渡設計中,展示了應用五次ph螺線進行直線到圓的過渡,圓到圓的c形過渡的實例。Compared to an ordinary rudder, the value of lift coefficient of ichthyoid rudder is about 30 % higher and the maximum rudder angle of it nearly reaches 45 degrees. ichthyoid rudder is a design under such a conception as to effectively utilize the propellers slipstream for rudder action, and featured by having a fish - shaped one - piece construction that is to say - no part of ichthyoid rudder can move in the water
其研究的魚形舵是一個沒有在水下移動的魚尾形剖面單片結構,增加了全舵的剖面拱度,使螺旋槳尾流的折射水量增強,進而增大了水動力的作用,使之比普通流線形舵的升力提高30左右。Meanwhile, the results show that sp - d, sp - j, sp - z and sp - c are relatively tolerant to lincomycin, but the other 6 strains of meterials are not
7kd的一條蛋白帶,而直線形藻絲體即mo則缺失此帶,表明此53 7l蛋白與螺旋藻的形態變異相關。The directrixes of the in former two transmissions are the loxodrome and the geodesic on the pitch cones, that of the latter is an equal - pitch line along the direction of straight generatrixes in the hyperboloid surface, also is the vertical trajectory of the straight generatrixes
前兩種傳動形式的準線分別為節錐面上的斜航線與測地線,後者的準線為單葉雙曲面上沿直母線方向的等螺距曲線,且為直母線族的正交軌線。In this thesis, the concept of " fractal " and the recursive algorithm of fractal structure are depicted. the wavelength - independent character of archimedean spiral antenna and the space filled property of koch monopole are analyzed by the method of moment
本文介紹了分形的基本概念和分形結構的迭代演算法,採用矩量法分析了阿基米德螺旋天線的頻率無關特性和koch單極天線的空間填充特性。Then, nucleosome chain is compressed into 30 nm solenoid structure
然後,核小體鏈再進一步壓縮形成30納米的螺線管結構。Ng its running. it takes multiple strands of steel wire ropes or terylene ropes to wind spirally in the width of the belt and, the tracks where these ropes go are defin
它採用多股鋼絲繩或滌綸線繩沿膠帶寬度螺旋形地繞布,其位置定為同步帶的節線。Then an thorough computer modeling using finite element program with material, geometry and state triple - nonlinear taken into account is carried out on a series of influencing factors, such as comparison with npn - beam splice connection, comparison of varies designed theories, and the varying of fraction coefficient, diameter, grade, pretension and arrangement of bolts, thickness of web and flanges of beam and column, splicing location, axial loading on column, etc. lots of useful conclusions are drawn form computer modelling. finally, design and construction suggestions are given out. this study fills the black in the field of steel beam - to - column connection with cantilever beam high - strength bolted - splicing at both home and abroad
然後,本文在考慮材料、幾何和狀態三重非線性的基礎上,對該連接形式進行了全面的計算機模擬,主要考慮了帶懸臂梁段全螺栓拼接的樑柱連接節點與無拼接的樑柱連接及翼緣對接焊接腹板拼接的連接節點的對比,各種設計方法之間的對比,以及翼緣拼接和腹板拼接的螺栓間距、直徑和數量,拼接點與梁端之間的距離,梁和柱的翼緣、腹板厚度,柱的軸力,接觸面的摩擦系數,翼緣和腹板拼接板的厚度等因素的影響。Unique pop - up type, screw - type terminal finger protection especially for the ring wiring head of wires
獨特的彈起式,手指保護型螺絲端子尤適于環形接線頭的電線A triple helix features three bands of ribbons that are braided in a rope like fashion
三角形的螺旋結構是由三股線編成一股。Having a shape approximating that of a helix
近似螺旋形的,近似螺旋線的Aerospance series - installation holes for inserts, screw thread, helical coil, self - locking - design standard ; german version en 3044 : 1998
航空航天系列.自鎖螺旋形線圈螺紋襯套的安裝孔.設計Optimum shape of cylindrical solenoid magnet
圓柱型螺線管磁體的最佳形狀The result shows that the solar radiation pressure moments play a mainly part. based on kalman filtering, three kinds of attitude determination algorithms were studied using the attitude sensor now available on the explorer : the first based on digital solar sensor ( dss ) and gyroscope when the star sensor is not available ; another based on dss, high - gain antenna ( hga ) and gyroscope when the explorer is in the earth - safe mode ; the third based on star sensor combined with gyroscope when the explorer is in the normal mode
針對配置了典型測量敏感器的深空探測器,基於擴展kalman濾波給出了其姿態確定的方法:針對星敏感器不可用情形,給出了使用太陽敏感器和速率陀螺定姿的濾波器演算法;針對安全模式下的對地穩定定向情形,給出了太陽敏感器和高增益天線融合速率陀螺信息的定姿演算法;針對正常巡航模式給出星敏感器和速率陀螺聯合定姿演算法。The conventional linear and circular interpolation in cartesian ( rectangular ) coordinates were supplemented by polar coordinates and helical interpolation
傳統的笛卡爾的線形和環形內插法結合被極坐標和螺旋插補所補充。Harmonized blank detail specification for lead screw actuated non - wirewound preset potentiometers - square form, container sealed, actuating device insulated from resistive element, slipping clutch at each end of travel, rigid terminations - assessment level s
導螺桿傳動非線繞預調電位器協調空白詳細規范.正方形的容器密閉的與電阻元件絕緣的驅動裝置每個行程終止的滑動離合器剛性終端.評定級別sThe function of stone artistic splice complete through to established basic design or source material warehouse with the help of others graph process software. besides author come up with a new program or machine method in accordance with stagger in the thicknes and vertical length at the stone sticking execution, i. e ensure the accuracy in measurement to approach subsection by space spiral line, the data used directly by numerical control machine. finally machined the stone become a spiral line columned surface arc slab
此外,針對旋轉樓梯扶手石材貼片施工時所出現的厚度和垂直方向易產生較大錯邊的問題,提出了一種新的建模方案和加工措施,即在保證測量精度的基礎上,分段以空間螺旋線逼近,經過計算機處理后的參數直接可供數控加工使用,最後把石材貼片加工成螺旋線型的柱面弧形扳。The exact expression is obtained by integration method for a tightly wound rectangular solenoid of finite length, the result is plotted and discussed
通過直接積分得到了有限長密繞矩形螺線管自感系數的精確表達式,並對結果進行了圖示和討論。The basic principal and general structure of dry gas seal are introduced briefly, and aiming at the characteristics of logarithm spiral curve, the calculation of the pressure to the spiral groove end surface by the theory of narrow groove are given. the method of narrow groove theory and finite element method are utilized to optimize the end surface structure of the spiral groove dry gas seal. the structure of the seal is confirmed on the base of the result
簡要介紹了干氣密封的基本原理和一般結構,同時針對對數螺旋線形的特點,介紹了窄槽理論對螺旋槽端面的壓力分佈計算,利用窄槽理論和有限元方法對螺旋槽干氣密封端面結構進行了優化,並得出了優化結果,根據這一結果,確定了具體的密封結構。分享友人