軸周期 的英文怎麼說
中文拼音 [zhóuzhōuqī]
軸周期
英文
axial period-
The appropriate maximum stories and the appropriate maximum height of buildings are determined by using the various of control index, such as period, shear - compression ratio, allowable value of drift angle etc when earthquake fortification intensity is 8 degree
用各項控制指標，如周期、剪壓比、軸壓比、層間位移角等進行對比分析，給出在8度區該結構的最大可建造層數和最大適用高度。It is applied to sorts of locomotive engine, in course of revolving of crank and connecting rod mechanism, there are revolving of the crankshaft, swinging of the connecting rod and reciprocating motion, so its motion state is complex, and periodic unbalanced force, by a few components, is great
曲柄連桿機構在高速運轉過程中，有曲軸的轉動、連桿的擺動及活塞的往復運動，其運動狀態復雜，各個部件所產生的周期性不平衡慣性力大，是引起發動機振動的主要原因。The major semiaxis a and p of the relative orbital motion are known.
我們知道其相對軌道運動的主要半長軸a和周期p。The numerical computation for the secular variable of the semi - major axis, solar distance at perihelion, orbital periods and longitude of perihelion has been made for fifteen meteor streams by using the solution of gylden - meshcherckii equations
利用g - m型變質量天體軌道根數變化方程的一階和二階解對15個流星群軌道半長軸、近日點距離、軌道周期和近日點經度因太陽質量損失造成的每世紀的長期改變效應做了數值計算，並得出計算結果。Carrot tissue culture and plant regeneration factors including explants, medium and culture condition are combined together to study the most efficient protocol of carrot tissue culture and plant regeneration thereof. the most suitable explant is fresh hypocotyls segment and precultured hypocotyls derived from 7 - 10 day old aseptic plantlets generating in dark or in dim light, the best recipe for cullus induction and subculture is b5c ( 85 with 0. 5mg / l 6ba and 0. 5mg / l 2, 4 - d ), the ideal recipe for plant regeneration is 65 or ms free of hormone. a phytotron with a 16 / 8 h day / night cycle, at 25 is feasible for plant regeneration, and occasional exposure to sun light dramatically stimulates plant growth
建立了高效的胡蘿卜組織培養及再生體系以適于生產飲料的胡蘿卜「新黑田五寸人參」為材料，研究不同外植體、不同培養基，不同培養條件對胡蘿卜愈傷誘導及再生的影響，建立一套高效的胡蘿卜組織培養再生體系：最適于誘導愈傷的外植體是弱光或黑暗下發芽7 - 10d無菌苗下胚軸，最適合的愈傷誘導培養基和繼代培養是b _ 5c （ b _ 5 + 0 . 5mg l6ba + 0 . 5mg l2 ， 4 - d ） ，最適于植株再生的培養基為不添加任何激素的b _ 5或ms ，組織培養條件為25 、光照周期為16hr 8hr 。We had observed more than ten selected asteroids using 1 - meter telescope in yunnan observatory during 2000 to 2002. the observational data of seven asteroids had been reduced and analyzed. we have derived their synodic periods and estimated the shape and orientation of rotational axis for one asteroid
為此，我選定了一些直徑在125公里左右的小行星進行觀測和分析；一方面，測定它們的自轉周期，進行「角動量衰減」現象的研究，另一方面，對小行星形狀和自轉軸指向進行估算，為小行星碰撞演化研究提供更為有利的證據。It reduce errors in both code plate and axial system, as the multiple read head ( four thin read head and one thick read head ) same working ; the design of the circuit is different from the old
4 ）用多頭讀數即四個精讀數頭和一個粗讀數頭同時工作，減少了碼盤及軸系長周期誤差。Further, the axia ! uniform periodical property can be replaced by an anisotropic dielectric with uniform transverse and uniform axial property
進一步，把軸向周期分佈的均勻介質盤又等效為徑向和縱向均勻的各向異性介質。This paper derived the transfer matrix of the bilayer structure composed of left - handed and right - handed materials, and computed the density of states ( dos ) along the axis of the finite one - dimensional photonic crystal, which was constructed out of n such bilayer structures periodically
摘要推導出了由左右手材料構成的雙層結構的轉移矩陣，計算了由n個該雙層結構周期性排列所形成的一維有限長度光子晶體沿其軸線方向的態密度。Unbalance damages machinery by imposing cyclic forces on bearings and shafts that lead to fatigue failure
不平衡將會在軸承上產生周期性慣性力，致使軸承疲勞，進而損壞機器設備。Rigid rotor is unbalancing if its axis of rotation is not uniform with its central principal inertia axis, . unbalance imposes cyclic forces on bearings and shafts, producing vibaration, even damaging machinery
剛性轉子的旋轉軸線如果與其中心主慣性軸不重合，則此轉子是不平衡的，不平衡將會在軸承上產生周期性慣性力，引起振動，甚至損壞機器設備。Our results show that, during the evolution of a binary system, the system widens as it loses mass, and the orbital period increase, while orbital eccentricity remains nearly constant, which can explain the distribution regulation of orbital elements of normal g - k giant and barium stars and the distribution character of the heavy - element abundances of barium stars
計算結果表明，隨著星風吸積過程的進行，在星風質量損失階段系統軌道半長軸將增大，導致軌道周期增大，而偏心率變化不大，由此可以解釋普通紅巨星雙星系統和鋇星系統的軌道根數的分佈規律和變化情況以及鋇星重元素豐度分佈特徵。Therefore, the three fundamentals required to obtain high precise measurements are : 1 ) frequency stability and frequency difference stability of the double - frequency laser source as well as the stable equivalent length of bore ; 2 ) the measuring beam and the reference beam are placed very co - axially ; 3 ) capability of recording the sub - division of the period of phase change and a reversible counter system
因而干涉儀系統達到高精度的基礎是：頻率及頻差穩定的雙頻激光源、穩定的等效腔長；測量光與參考光合光後有很高同軸度的光路結構；能可靠記錄相位差變化周期數的細分及可逆計數系統三部分。The natural periods of formal six modes were advanced researched, the floor panel is assumed to be elastic, contrast with the results, first time it ' s found that the third natural period has a small affection considering sshsti. when the axial loads on piles are considered, the other periods in the formal six modes have relative percent variation from 30 % to 60 %, and the relative percent changes small considering different ground
對比分析發現，體系前六階振型中，考慮樓板彈性假定的地基基礎與結構共同作用對第三振型固有周期基本不存在影響，當地基中的群樁考慮軸力時，其它固有周期增大在30 %至60 %之間，且不同地基之間的差異變化較小。It is the main purpose of this paper to calculate the energy splitting of ground state and excited states induced by thermally assisted quantum tunneling. first, a brief introduction is given for the theoretical and experimental studies on the magnetic macroscopic quantum effects. then, spin tunneling in a uniaxial ferromagnetic particle in transverse magnetic field is converted to a pseudoparticle moving in effective double - well potential with the help of the effective potential description of quantum spin systems developed by ulyanov and zaslavskii. finally using the periodic instanton method we evaluate the transition amplitude, energy shift and prefactor of wkb exponential and the energy splitting of ground state and the tunneling rate for excited states induced by thermally assisted quantum tunneling are obtained
文章首先對磁性宏觀量子效應的理論和實驗方面作了簡單介紹，然後藉助于ulyanov和zaslavskii發展的一種等效勢描述方法，把外磁場沿難磁化軸方向時的自旋隧穿約化成在等效雙勢阱中運動的粒子，利用瞬子方法給出基態能級劈裂，最後利用周期瞬子方法分別計算了隧穿幅、能級移動以及wkb前因子，從而給出由於熱助量子隧穿引起的激發態的隧穿率。Based on vibration principle, the paper establishes dynamics analysis model of output shaft with elastic support, according to fourer series spread principle of periodic function, the dynamic response formula is derived by separating complex vibration force into sum of many simple harmonic excitation function of whole number times frequency relations. the result shows that response of both sides support is synchronous when load distribution non - uniform coefficient is 1
依據振動理論建立了具有彈性支撐的輸出軸的動力學分析模型，根據周期函數的傅里葉級數展開原理，將復雜的激振力分解成為多個頻率成整倍數關系的簡諧激勵函數，導出了動態響應表達式，結果表明，當載荷分配不均勻系數為1 . 0時的輸出軸兩端支撐同步。The major semiaxis a and p of the relative orbital motion are known
我們知道其相對軌道運動的主要半長軸a和周期p 。In the axes permitted area determined by different given basic design parameters, for different size and different axes position, the instantaneous efficiency variation rule during rise and return and the whole efficiency variation nile during rise, return and the motion cycle of in - line follower cam mechanisms has been studied respectively
研究了在給定的各種不同基本設計參數情況下所決定的凸輪的軸心許用區內，對于不同大小、不同的軸心位置的凸輪，直動滾子從動件凸輪機構的瞬時效率在推程階段和回程階段的變化規律以及總效率分別在推程階段、回程階段以及整個運動循環周期內的變化規律。The quality of shaft alignment, is of vital importance in ensuring the long term appropriate running of shafting system and shortening the construction period of shipbuilding, also crucial in keeping the sailing vessel in the set course
船舶軸系校中的質量，對于確保軸系長期正常地運轉和縮短船舶修造周期都非常重要，也是船舶正常航行的關鍵。Stability of periodic motion and experimental research on the rotor - bearing system with rub - impact and crack
碰摩裂紋轉子軸承系統的周期運動穩定性及實驗研究分享友人