normal beam 中文意思是什麼

normal beam 解釋
垂直光束
  • normal : adj 1 正常的,平常的,普通的;平均的。2 正規的,標準的,額定的,規定的。3 智力正常的,精神健全的...
  • beam : n 1 梁,棟梁,桁條;(船的)橫梁。2 船幅;(動物、人的)體幅。3 (秤)桿,杠桿,(織機的)卷軸,...
  1. This drilling adopts crank connecting link and walking beam percussion mechanism, which make the drilling possess two percussive functions, normal drilling takes connecting link impact as main mode, when encountering special situation and the connecting link impact can not drill, it can transform into hoisting impact, the stroke length can be modulated, it realizes automatic percussive drilling due to continuous operating of connecting link percussive mechanism, these can enhance drilling efficiency and relieve labor intensity ; it adopts pumping reverse circulation to drain slag, which not only resolves the drilling difficulty in special stratum such as pebble and gravel stratum and hard stratum, but also resolves the problem that the percussive drill ' s efficiency is low ; it adopts spur gear differential mechanism as double cylinders lazy tongs of main hoist, which not only ensures the balance state of drilling tool, but also reduces the mechanical design, and reduces the cost ; the bottom plate traveling motion of this drilling machine adopts walking type ; the drilling tower adopts hydraulic pressure uprising, and reduces the assistant operating time

    該鉆機採用曲柄連桿、游梁式沖擊機構,使鉆機具有兩種沖擊功能;正常鉆進以連桿沖擊為主,遇到特殊情況,用連桿沖擊不能鉆進時,可轉為卷揚沖擊,沖程可調,因連桿沖擊機構連續工作,所以實現了自動沖擊鉆進,可提高鉆進效率,減輕勞動強度;採用泵吸反循環的方式排渣,既能有效解決卵礫石地層、堅硬地層等特殊地層鉆進的困難,又很好地解決了沖擊鉆機效率低下的問題;採用直齒圓柱齒輪差速機構作為主卷揚的雙筒同步機構,既保證了鉆具處于平衡狀態,又大大簡化了該機構設計,降低了成本;該鉆機底盤行走移位採用步履式;鉆塔採用液壓起立,減少了輔助作業時間。
  2. Our study shows that the optical potential of the diffracted light of the semi - gaussian beam is far higher than that of the evanescent - light wave, and its maximum normal velocity of the incident atoms can be far grater than that of the evanescent - light wave under the same parameters, so the blue - detuned semi - gaussian beam, as a novel atomic mirror, can be used to efficiently reflect atoms with a normal velocity of greater than 1 m / s

    研究表明,半束蘭失諧高斯光束衍射光場的光學勢遠大於消逝波光場的光學勢,在同樣的參數條件下,入射原子的最大速度也比消逝波光場的大,所以作為一種新穎的原子反射鏡,半束蘭失諧高斯光束可以被用來有效的法向速度大於1m s的入射原子。
  3. In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented

    本文借鑒鋼框架節點構造,設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點,包括常規栓焊( wfp )節點、翼緣全螺栓連接( bfp )節點、雙t板連接( dst )節點以及加勁端板連接( sep )節點,進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究,比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵,主要結論有: 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈,沒有或略有捏攏現象,耗能能力強; 2 、軸壓比對節點滯回曲線有顯著影響,全部節點都有顯著的剛度退化; 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段,具有良好的延性性能; 4 、從整體抗震性能上看,翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點,可在實際工程中加以推廣。
  4. According to the basic theory of the cement concrete and the properties of polypropylene fiber, the calculating formulas about beam for the normal section load _ carrying capacity and rigidity and ductibility are presented based on " the design code of concrete structure " ( gb50010 - 2002 )

    參照普通砼的基本理論,結合聚丙烯纖維砼的性能特點,在《規范》的基礎上得到了單筋矩形截面梁正截面承載力、剛度和延性的計算公式,並與試驗結果對比吻合較好。
  5. The effects to beam for its normal section flexural capacity and rigidity and ductibility as well as other properties is discussed with different polypropylene fiber and different concrete strength by the bending test study herein on the reinforced concrete beams and the polypropylene fiber reinforced beams

    本文通過對摻聚丙烯纖維砼配筋梁的試驗研究,分析討論了單筋矩形截面梁配筋率相同時,分別考慮聚丙烯纖維摻量和混凝土強度等級等因素對梁的正截面承載力、剛度及延性等幾個方面的影響。
  6. The pulses can be broadening and become negatively chirped while propagating in anomalous dispersive media. in normal dispersive media, the pulses can be broadening, positively or negatively chirped, or even the dispersion - free propagation can be achieved, if the beam and material parameters are suitably chosen

    在負色散介質中傳輸時,脈沖會變寬、帶有負惆啾:而在正色散介質中傳輸時,脈沖會變寬、帶有正惆啾或負叨嗽,當光束和色散參數滿足一定條件時能實現「無衍射無色散」傳輸。
  7. In enforcement plan, the beam and protect plate, and random resistance are analyzed, in which the normal random variable and maximum stress element as evaluation standard are considered

    研究了爐墻的改造,梁和護板的改造、腐蝕嚴重的部位的加固方案,分析了梁、柱改造方案的隨機抗力。
  8. Abstract : the fragile raw silk finished with softer or not and the normal raw silk are warped on the same beam and weaved. the number of end breaking and the tension of warp of different raw silk during weaving, as well as the tensile properties and dyeing behavior of fabric are compared and analysized. the results show : if the fragile raw silk is finished with softer, the number of end breaking during weaving will be obviously decreased, and the strength of fabric will be increased slightly, but the color deviation will be existed compared with the fabric made from normal raw silk

    文摘:將正常生絲、脆弱生絲、經柔軟劑處理的脆弱生絲一起作為經絲上機織造,比較它們織造過程中斷頭、張力情況,並對織物的拉伸性能、染色性能作對比分析,結果表明:脆弱生絲經柔軟處理后斷頭次數明顯減少,織物強力有所增加,但與正常生絲一起染色存在色差。
  9. In this paper, to counter a flexible beam undergoing large overall motion impacting a fixed slope surface under the effects of grativity, the normal contact model is established based on the hertz theory and non - linear damping term, the tangential contact model is developed by adopting linear tangential contact stiffness to consider the effects of friction force during impact process, and the consistent linear dynamic model including impact is derived by using mode assumption method and lagrangin equation

    針對在重力場下作大范圍回轉運動的柔性梁與一固定斜面發生斜碰撞的情況,根據hertz接觸理論和非線性阻尼項建立法向碰撞接觸模型。引入線性切線接觸剛度建立切向碰撞接觸模型,以考慮接觸過程中由於切向相對速度的換向作用引起的摩擦力的變化。利用假設模態法和lagrangian方程建立系統含碰撞過程的一致線性化的動力學模型。
  10. Also, normal incidence is difficult to realize in practice. based on the above considerations, in this work, the transmission of a gaussian beam nonnormally through a fabry - perot etalon has been investigated

    基於此,同時考慮到在應用中光束正入射fpf的情況往往是很難達到的,木文就高斯光束斜入射fpf后的透射光強分佈進行研究。
  11. Abstract : the paper introduces the erection of the steel box girder of a long - span steel box - concrete composite bridge using broad double guide beam without affecting the normal operation of electrified railway and marshalling yard under the bridge, including construction plan, design of gantry crane and guide beam, as well as key points of construction technology

    文摘:介紹在保證電氣化鐵路、編組站場正常運營情況下,運用寬幅式雙導梁解決大跨度鋼箱混凝土結合梁橋的鋼箱梁架設技術難題,重點闡述了施工方案,龍門吊、導梁設計,工藝要點等。
  12. Superposition method for calculating bearing capacity on normal section of beam with steel skeleton and bars reinforced concrete

    鋼骨混凝土梁正截面承載力計算的疊加方法
  13. As soon as the normal section cracks, the crack firstly appears in the flexural region. at this moment, the load - deflection curve has a turning point. with the increase of the load, the rigidity of the beam decreases compared with that before cracking because of the development of cracks in flexural region, and the formation and development of diagonal cracks toward the loading point, the load - deflection curve is basically linear till the beam fails

    正截面開裂前,荷載撓度曲線基本為線性,截面剛度較大;正截面開裂時,裂縫先在純彎段出現,荷載撓度曲線出現轉折點,隨著荷載的增加,純彎段正裂縫的發展以及剪跨段斜裂縫的產生並向梁的受壓區加荷點發展,使梁的剛度較截面開裂前減少,荷載撓度曲線也基本為線性直到梁破壞。
  14. But the excess the springing quantum of the pc beam due to continued evolution of concrete creep, which influenced the normal performance of structure, has been an important question puzzling the engineering technicians all the while

    但是混凝土徐變的不斷發展帶來過度的起拱,影響結構的正常使用,一直是困擾工程技術人員的重要問題。
  15. Computational method of bearing capacity of bending normal section of reinforced concrete beam with rectangular section strengthened by cfrp

    碳纖維布加固鋼筋混凝土矩形截面梁受彎正截面承載力的計算方法
  16. In most studies, in order to simplify the physical treatment, the laser beam is usually treated as a plane wave and normal incidence is supposed when its transmission through a fpf is considered

    對于光脈沖通過法布里一拍羅濾波器后的時域和頻域特性己有不少報道,然而我們注意到,在這些研究中激光通常被當作平而波。
  17. An experimental investigation on the transition in the boundary layer of horizontal plane with and without single two - dimensional roughness elements has been carried out in the wind tunnel. the distribution in normal and stream - wise directions of intensity of t - s wave excited by vibrating beam was measured in every condition. neutral curves were obtained by measuring the growth of the t - s wave at the normal critical location along the stream - wise direction

    在風洞中對水平光滑平板以及加有粗糙元平板的邊界層轉捩進行了測量與研究,比較了不同情況下平板邊界層內由振動梁激勵生成的t - s波沿流向和法向強度的分佈規律,得到了相應的振型增長曲線以及中性曲線。
  18. At the same time, the possibility of using nonlinear optics in widening the detecting wave band of hartmann - shack wavefront sensor is exploringly discussed. adaptive optics guarantees the beam quality of laser projecting system. beam cleanup, atmospheric turbulence compensation and correction of any disturbance and fabrication error in the light way are required to promise a near diffraction beam, but normal adaptive optics system can only correction one of them

    自適應光學進行光束大氣傳輸波前畸變校正時,要求系統必須能進行光束凈化和校正大氣湍流造成的波前畸變,並且能夠同時有效地克服發射系統製造誤差、重力變形以及光路內部氣體擾動的影響,得到接近衍射極限的輸出激光光束。
  19. Through the experimental and theoretical analyzing results, the conclusion can be summarized as follows. 1 ) the yielding load and ultimate bearing capacity of the beam are not affected by the value of the load under that load the cfrp sheets were retrofitted, but the value will affect the stiffness of the beam, especially the average tangent stiffness after rebar yielding. 2 ) the stiffness of cracked beams retrofitted with cfrp sheets is larger than that of the normal rc beams

    通過試驗結果分析發現,採用cfrp加固的鋼筋混凝土梁的剛度較普通鋼筋混凝土梁的剛度有明顯提高,纖維布對承受以抗彎為主的構件具有增強剛度、控制撓度的作用;纖維加固時梁所承受的荷載大小,即加固時梁內已存在的彎曲裂縫的寬度對梁的屈服荷載及極限承載力影響不是很大,但對梁的剛度有較大影響,特別是對縱筋屈服后的剛度影響較大。
  20. When the beam waist wy of blue - detuned segb along the y direction is 10 mm, and its wx is decreased from 10 mm to 1mm, the absolute diffracted intensity from the segb surface will be 10 times of that from the sgb surface, which can be used to reflect an incident atomic beam with a higher normal velocity

    因此,當橢圓高斯光束的w _ y = 10mm ,而w _ xw從10mn減小到1mm ,半束蘭失諧橢圓高斯光束反射面的衍射光強將比同樣參數條件下的sgb反射面的衍射光強提高了10倍。
分享友人