正軸向的 的英文怎麼說
中文拼音 [zhēngzhóuxiàngde]
正軸向的
英文
on line-
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螺旋狀發生,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個空隙; ( 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Chapter 3 erected the relationship between refraction error and cornel ablation depth in theory. the paper proposed various mathematical models which can be used for proceed the simple myopia, simple hypermetropia, compund myopia astigmatism, compund hypermetropia astigmatism, simple myopia astigmatism, simple hypermetropia astigmatism, mixed astigmatism. the influence of the astigmatic axis and the degree of astigmatism on the correction field is discussed. wavefront aberration guided excimer laser cornea ablation is a main method of customised corneal ablation
以數學的方法研究出了屈光性單純近視、屈光性單純遠視、復性近視散光、復性遠視散光、單純近視散光、單純遠視散光、混合性散光屈光矯正的物理模型;並揭示了不同軸位的轉換規律,對不同散光情況下的初始角膜兩個不同方向的曲率半徑和手術后最終的曲率半徑作了定量的研究。To improve the capability of the bearing - less slice permanent motor, to reduce the ullage of the motor and the badly additive torque, i design optimization the structure of the rotor pm, and two projects are proposed. one is four pieces rotor pm which is the same magnetized and the other is eight pieces rotor pm which is different magnetized direction
為了進一步改善片狀無軸承永磁電機的動態性能,減小電機的損耗及有害的附加轉矩,優化設計了轉子永磁貼片的結構,提出了四片同向充磁和八片正反向充磁兩種方案。The paper analyses the law of services spatial diffusion in chongqing city, which is the law of business services spatial diffusion base on contagious diffusion hierarchical diffusion and base on the law of stochastic diffusion along the axes, and, according these principle, revise the unit factors score of business services calculated by using traditional way
由於重慶市地形復雜,江河阻隔,因此山城城市職能除表現為傳染擴散規律外,更突出地表現為等級擴散和軸向隨機擴散規律。文章依據這些原理對採用傳統的方法得到的商服功能影響作用分進行修正,同時探討了結點數動態變化時城市職能的空間擴散規律。The maximum amount of oil is reached when marker dot a is brought to the position just opposite from the needle bar crank 3 by turning the adjust pin in direction c
從圖上所示的位置向c方向轉動,當轉到與針桿曲軸3的正對面的位置時,油量為最大。Using the system designed in this thesis work, flow field calibration of the wind tunnel is accomplished, which covers dynamic pressure drop coefficient, dynamic pressure time stability, axial static pressure gradient, boundary layer, and degree of turbulence, etc. boundary layer measuring principle and method are especially described in detail, the relationship between boundary layer thickness, wind speed setting, and the depth of the experimental section is summarized, and finally the calibration data for th e model center zone under specific wind speed are given
然後利用本文設計的系統完成了落差系數、動壓時間穩定姓、軸向靜壓梯度、邊界層及湍流度等內容的流場校測。特別對邊界層測量的原理及方法做了較詳盡的敘述,總結出邊界層厚度與設定風速、實驗段深度的關系,然後給出模型中心區一定風速下校正數值。Rebounding displacement of slope and axial force of anchor bars increases as the increment of the included angle of the rebounding displacement vector and x positive axis will reduce as the increment of horizontal tectonic stresses. the reduction of lithologic characters and weak interplayer have unfavorable influence on stability
支護錨稈軸力也增大;隨著水平構造應力的增加,回彈位移矢量與水平x軸正方向所形成的角度將減小;邊坡巖體巖性參數的弱化和軟弱央層的存在都對邊坡的穩定造成不利的鍘惻。In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology
為使二維振動傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。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線管道流動和換熱特性的研究成果的基礎上,以旋轉正交曲線坐標系統下的多參數旋轉螺旋管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)旋轉曲線管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)以及旋轉曲線管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管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響,獲得了若干創新性成果。When the exterior normal is opposite to the coordinate axis, then the positive stress components are in the opposite directions of the coordinates.
當外向法線和坐標軸相反時,正的脅強分量就是沿著和坐標軸相反的方向的。It is usually convenient to replace δs by its components δs1 and δs2 parallel to any two perpendicular axes ox, oy in the plane.
通常用它的分量s1和s2來代替s較為方便,它們分別沿平面內的ox,oy兩個正交的軸線的方向。Test of mechanism of effect by polypropylene fibre on anti - crevice property amp; amp; normal section load - bearing capacity of bent reinforced concrete components
軸向力對預應力構件正截面影響的研究A discretization equation is derived by using a finite volume method in three - dimensional cylindrical polar coordinate system. algebraic equations are solved by iteration with a line - by - line method that is a combination of tdma in axial and radial directions, ctdma in tangential direction and adi method in three directions. the pressure and velocity coupling are solved with the simple algorithm
在三維圓柱坐標下,利用有限體積法推導離散方程;在軸向與徑向用三對角矩陣法( tdma ) ,在周向採用循環三對角矩陣法( ctdma ) ,採用交替方向亞鬆弛疊代法( adi )求解方程;推導同位網格下的壓力修正方程,用simple演算法處理速度與壓力的耦合;為加速收斂,採用適當的鬆弛因子。The derivation of the leakage flow rate formula of the special annular clearance between the piston and cylinder under condition of variable viscosity in the axial piston pumps was carried out. at same time, considering the questions of the eccentricity and the variable sealing length of piston friction pair, the modified coefficient of the calculation formula of the flow - rate of the leakage was given
在變粘度、柱塞偏心以及變密封長度條件下,對軸向柱塞泵中柱塞與缸孔之間的特殊圓環縫隙的泄漏流量公式進行推導,得到了該計算公式的修正系數; 6It was shown that the maximum displacement occurred on the tunnel axis when one tunnel was excavated, while the maximum value happened near the shallow tunnel and between the area of two tunnels when two adjacent tunnels were excavated at the same time
分析結果表明:單條隧道開挖引起的地表最大沉降值出現在隧道軸線的正上方,而兩左右或上下相鄰隧道開挖的地表及土層內部的最大沉降值則出現在兩隧道的縱軸線之間,且偏向上方埋深較淺的隧道。Metallic materials - verification of static uniaxial testing machines - tension creep testing machines - verification of the applied load
金屬材料.靜態單軸向試驗機的校正.拉伸蠕變試驗機.對作用負載力的校驗By it, the temperature and axial displacement on axes around the blades of the turbine can be measured. the advanced circuits monitor their change. if the temperature and displacement go beyond the normal range, the alert will be sent out, and they can be stopped and repaired " at that time
渦輪機的工作環境惡劣,為克服環境給測量帶來的困難,採用非接觸式測量方法對渦輪機軸的溫度和渦輪機軸的軸向位移進行測量,採用精確的電路監控溫度和位移的變化,若溫度和位移超出其正常工作范圍,立刻發出警報,停止其工作以進行及時的修理。This paper has studied the mean attenuation, scattering, and back scattering cross sections of groups of small rotating spheroids about characteristics of microwave scattering when their rotatory axes are oriented at random in any direction in 2d plane and 3d space respectively under the condition of normal distribution, and that those physical quantities are changed with different variance, expectation and wave lengths of incident electromagnetic wave
本文研究旋轉軸方向分別在平面內和空間中隨機取向呈正態分佈時的小旋轉橢球粒子群的平均衰減截面、平均散射截面、平均後向散射截面等微波散射特徵,以及這些物理量隨軸向分佈期望、方差及入射電磁波波長的變化。Metallic materials - verification of static uniaxial testing machines - part 1 : tension compression testing machines - verification and calibration of the force measuring system
金屬材料.靜態單軸向試驗機的驗證.第1部分:拉伸壓縮試驗機.力測量系統的驗證和校正Then with the introduction of the expression of radial electric field and azimuth magnetic field, the movement tracks of electrons in the interaction space are modified on account of the azimuth magnetic field decreasing with the decrease of the axial current
接著,引入同軸系統中徑向電場和角向磁場的表達式,並且考慮到軸向電流的逐漸減小會導致角向磁場沿軸向的變化,推出修正後的電子運動軌跡表達式。分享友人