縱向矩 的英文怎麼說

中文拼音 [zōngxiàng]
縱向矩 英文
longitudinal moment
  • : Ⅰ動詞1 (釋放; 放走) release; set free; let go 2 (放任; 不約束) indulge; give oneself up to; l...
  • : 名詞1. (畫直角或正方形、矩形用的曲尺) carpenter's square; square2. (法度; 規則) rules; regulations 3. [物理學] moment
  • 縱向 : [造紙] direction; machine direction; endwise; longitudinal direction; vertical; longitudinal縱向...
  1. By constructing the geometrical model of a certain underground single arm type pantograph and applying the translation of pantograph - head balancing bar and the perpendicular displacement of pantograph in the direction of the movement of locomotive while raising pantograph as the objective which must satisfy the demands of locomotive ' s stable current collection, this paper applied the multi - objective optimization based on the genetic algorithms to design the pantograph mechanism

    摘要在建立某地鐵單臂受電弓簡化幾何模型的基礎上,根據列車平穩受流對受電弓提出的各項要求,以受電弓升弓時機車前進方上的偏移量和弓頭平衡桿的平動為目標,以受電弓正常升弓所需升弓轉等為約束,運用基於遺傳演算法的多目標優化技術,對該型受電弓機構進行了優化,得到了使受電弓運動性能達到最優的幾何參數。
  2. Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results

    文摘:把常用的形波導一個寬面改成圓弧形構成的波導稱為圓突-形波導.這種波導與扇面波導相比:電性能相當;波導管結構更加簡單,容易加工,便於安裝.文中給出圓突-形波導中主模場,圓曲面上槽歸一化諧振電導近似公式.設計了c和x波段波導曲面諧振縫隙線陣,縫隙電壓相位為同相分佈,輸入端匹配.實際測量了天線輸入端電壓駐波比和h面方圖,理論與實驗相吻合
  3. A new waveguide made of changing a wide wall of a rectangular waveguide to a uniform curved wall is called conformal waveguide. a kind of expression of approximate solution for domain mode of the new waveguide, including symmetric, unsymmetric arc, parabolic arch, hyperbolic arch, elliptic arch, etc., is constructed by using boundary condition of mental waveguide, variational method and boundary element method. by using the equivalence principle, an approximate calculating formula for equivalent resonant conductance of a narrow longitudinal halfwavelength slot cut in the curved wall of the unsymmetric arcrectangular waveguide is derived, and the result is shown. although this solution is approximate, it can solve the problem in designing the slotted antenna of such conformal waveguide

    形波導一個寬面外突成均勻曲面構成的新波導統稱為共形波導.利用金屬波導邊界條件、變分法、邊界元素法構造這種新波導中主模場的一種近似解表達式,包括曲面橫截線為對稱、非對稱圓弧,拋物線弧,雙曲線弧,橢圓弧等.然後根據等效原理,推導非對稱圓弧形波導曲面上窄的半波長縫隙的等效諧振電導的近似計算公式,給出計算曲線.這種解雖然是近似的,但卻能解決這類共形波導縫隙天線的工程設計
  4. The difference in the horizontal and vertical factorial moments is compared and studied using monte - carlo simulation

    摘要用蒙特卡洛模擬方法對階乘和橫階乘進行了比較和研究。
  5. It is shown that the horizontal and vertical factorial moments are equivalent only when they are used in combination with the cumulant variables

    發現:在一般情況下,只有在引入累積變量后,階乘才與橫階乘相等。
  6. With this understanding, this paper chooses the longitudinal strength of hull girder as the disabled mode, by the calculation of fpso, predicts the ultimate strength and effective lifetime of the hull. expected results of examples are obtained, which provide the analysis data for the further risk assessment

    在此前提下,本文選擇了船體梁強度失效模式,通過fpso實船計算,分析消化了理想單元法程序軟體,預報了船舶極限強度和安全有效壽命期,並用一階二次方法對完整受損船體的結構安全性進行了可靠性的評估,取得了預想的結果,為進一步實施綜合安全評估提供了分析數據。
  7. Thus it is necessary to study moment resistance, rotation stiffness and rotation capacity of the joints. in this paper, six specimens on end - plate composite beam - to - column joints and two specimens on end - plate composite beam - to - column joints were designed to subject to static load. the factors of m - characteristics about semi - rigid composite joints, including bolts, profiled steel sheeting, beam, column, stiffen rib and reinforcement, are studied

    本文設計了6個端板型鋼-混凝土組合樑柱節點與2個端板型純鋼樑柱節點,通過對這些試件的靜力荷載試驗,重點研究了端板型鋼-混凝土組合節點的彎-轉角性能的影響因素,包括高強螺栓、壓型鋼板、型鋼梁、型鋼柱、加勁肋,以及混凝土板內鋼筋配筋率等。
  8. The highest level in the hierarchical trees fulfills the desired goal such as spacing, speed control or collision avoidance in vehicle cruise control. and the middle level tunes the vehicle acceleration while the lowest controls the needed brake and drive torque

    最上層是目標控制,實現期望的運動(如巡航控制的目標是控制車距、車速和防撞) ;中間層是加速度控制,最底層是(驅動和制動)力控制。
  9. After a careful comparison we found : ( 1 ) rotating the coordinate system around the z - axis for each event is necessary for the relaxation of the correlation between thrust ( or sphericity ) major - minor frame and the direction of the first hard gluon emission. ( 2 ) the horizontal factorial moments ( hfm ) are equivalent to the vertical ones ( vfm ) only after cumulant - variable transformation. therefore, in the study of nonlinear phenomena in high energy collisions the hfm can be used only in combination with the cumulant variables

    工jlnfy4ww ; 6標系與發射第一個硬膠子之間的關聯效應,從而觀察到全部強度的動力學起伏;證明了:只有在引入累積變量以後,橫才等於縱向矩,從而也才等效于幾率,困而只有在這時,橫才能被使用;論證了:對eb對撞末態粒子系統動力學起伏的研究只能在全相空間進行,而不能用限定的相空間,因而只能採用丟掉最初的一個或幾個點的方法消除動量守恆對相空間標度特性的影響。
  10. Longitudinal fine - type rectangular electro - magnetic chuck. except having features of ordinary rectangular electro - magnetic chuck. it is more suitable for holding thin & small workpiece

    密集型形電磁吸盤,除具有普通形電磁吸盤的性能外,更適合於吸持薄小工件。
  11. Simple methods of calculating the section area of the vertically - pulled steel in the bending member on the rectangle section of steel concrete

    鋼筋混凝土形截面受彎構件受拉鋼筋截面面積的簡便計算方法
  12. On the basis of the theory of thin shells and the non - moment assumption, the equations of motion of the cylindrical shells under longitudinal line - loading are derived in the case of ignoring the shearing stress, and then, the set of partial differential equations are solved by the fourier series method

    基於薄殼理論和無假定,在略去剪切應力的情況下推導了圓柱殼在線載荷作用下的運動方程,並採用fourier級數法進行了求解。
  13. The concept of adding the contribution of rebar to a bare steel connection is utilized to form the stiffness of composite semi - rigid joints under hogging moment. upon this basis, the calculating formulas of initial rotation stiffness are presented. the calculated results show to be in good agreement with the test results

    本文認為,在負彎區,組合節點的轉動剛度是由混凝土板內鋼筋與樑柱型鋼連接部分各自的貢獻疊加而成的,為了簡化計算,這里忽略了受拉混凝土對節點轉動剛度的影響。
  14. Using time - dependent mode matched scattering matrix method and based on the theory of the interaction between atom and electromagnetic field, we predict the effect that the longitudinal transport of electron is partly blocked by the lateral emitting electromagnetic wave and give detail analysis of the mechanism and the feature of the effect

    第三章我們以光和原子相互作用理論為基礎,用含時模式匹配散射陣方法研究了直量子線在太赫茲電磁場部分輻照下的電子輸運性質,並得出橫電磁輻射對電子運動的阻塞效應。
  15. The main contents are as follows : firstly, the structure and characteristics of aqueduct - stayed are summarized, based on which the structure analysis is presented ; planar structural models are established to simplify the analysis of internal force and displacement of aqueduct - stayed based on moment - distribution theory, the formula to calculate the force of cross section of aqueduct - stayed is derived. the finite element method for framed structures is used to analyze the aqueduct body. and corresponding computer programs are developed

    為便於計算,在計算斜拉渡槽的內力及變形時,將空間結構簡化為平面結構,分別對槽身橫斷面及槽身結陶進行計算:以力分配法為基礎推導了槽身橫斷面內力的計算公式;運用直接剛度法,編制了桿系有限元程序進行槽身結構計算,並簡單介紹與斜拉渡槽相關的剛度法知識以及程序的流程圖。
  16. Independently rotating wheels do n ' t engender lognitudinal creep forces, so hunting wo n ' t occur and the stability of vehicle system is very good. but independently rotating wheels lose self - steering capability of lognitudinal creep moments, so its restoration capability and curving performance becomes worse

    因此,近年來獨立回轉車輪日益受到重視,與傳統輪對相比,獨立回轉車輪不存在蠕滑力產生的偏轉力,因而不產生蛇行運動,對提高穩定性有好處。
  17. Since railway is plunged into business, the wheelsets with two wheels fixed to two ends of one axle are commonly adopted in rail vehicle. the advantage of conventional fixed wheelsets is that they have self - steering capability produced by lognitudinal creep moments, however hunting unstability possibly occur when the speed of vehicle becomes higher, so independently rotating wheels are attached importance to increasingly

    自鐵路運營以來,鐵道機車車輛的輪對基本上都採用兩個車輪緊固在一根車軸兩端的形式,這種傳統固定輪對的優點在於它具有蠕滑力產生的偏轉力從而使輪對具有自導功能,但是在蠕滑力的作用下,當車輛運行速度較高時就可能產生蛇行失穩。
  18. Inclined stirrups are not effective in beams resisting shear reversals, such as seismic loads, because the reversals will cause cracking parallel to the inclined reinforcement, rendering it ineffective

    也就是說,哪怕鋼筋不彎起(保證支座叢筋在上下都足以抵抗地震力產生的彎) ,箍筋用斜的,也不行!
  19. 2. the signal correlation spectrum is corrected to rectangle spectrum by using spectrum correcting technique and then added window to restrain distance sidelobe, and all one dimension divided correlation outs are added diversified windows to restrain rate sidelobe

    2 、利用譜修正技術把相關輸出信號頻譜修正成形頻譜,再加窗抑制距離旁瓣,對所有一維分段相關輸出組加各種窗形抑制速度旁瓣。
  20. The author also conceived the potential problems of the meshwork structure of discipline, gave some countermeasures. research group is the basic cell of this matrix structure of discipline, it " s form and scale can be big or small, can develop into a department or school lengthways, or a institute, research center athwartships, finally maybe expand to whole university ; academe is the service of the structure, it " s task is to manage, harmonize, serve the matrix structure

    陣式大學學科組織結構的基本單元為課題組,課題組的形式及規模可大可小,可以發展為學系、學院,橫可以發展為研究所、研究中心等,並將最終擴展到整個學校;大學研究院作為陣式學科組織結構的管理服務組織,對其進行管理、協調與服務。
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