射線轉動 的英文怎麼說
中文拼音 [shèxiànzhuǎndòng]
射線轉動
英文
rotation of beam-
Workplace air. x - ray determination of the concentration of crystalline silica alveolate deposit. sampling by means of rotary cup device
工作場所空氣. x射線測定結晶二氧化硅蜂窩狀沉積物的濃度.用轉動杯裝置取樣Consisting of the protracting graph of hydrogen - like atom ' s angle distributing, computer simulation of the symmetry of molecular orbital and chemical reaction mechanism, showing the molecular point group and symmetry element, computer simulation of molecular vibration, bravias ' s crystal lattice and their transforming, extracting of plane periodic lattice, extracting of solid periodic lattice, close packing of isometrical pellet and the structure of simple mental substance, close packing of unequal pellet and crystal structure of representative ionic crystal, computer simulation of phase analysis by x - ray diffraction
內容包括類氫原子角度分布圖的繪制,分子軌道對稱性和反應機理的微機模擬,分子點群和對稱元素顯示,分子振動運動的微機模擬,布拉維晶格和晶格轉化,平面點陣抽取,立體點陣抽取,等徑網球的密堆積和金屬單質結構,不等徑圓球密堆積和典型離子晶體結構, x射線多晶衍射的微機模擬十個子模塊。When electrons move in spirals around magnetic lines of force, radio waves are produced and radiated out along the two magnetic poles of the star. usually, the rotational axis of the neutron star does not align with the magnetic axis. the radiation beams will sweep around and create the
通常恆星的自轉軸和磁軸並不一致,中子星亦不例外,所以沿著磁軸向外發射的無線電波束,在中子星自轉的帶動下,便會如燈塔般向宇宙掃射,這便是著名的The system stores spatial data and characteristic data into central database, and provides services to users in server / client mode. as the research emphases of this thesis, several key sub - systems are designed and realized. the digital map input and maintenance subsystem performs format conversion, editing and updating of spatial data ; the rail - track video playing subsystem uses video recording as reference data, then plays, inquires and traces the corresponding frames in synchronous to the scaled mileage, realizing the query of the active picture frames ; the digital map query subsystem fulfills the map query, preview and spelling of digital map orthograph
其中,地形圖輸入與維護實現了數字地圖的格式轉換、編輯處理以及空間數據的更新操作,解決了不同格式空間數據的互相轉換問題;線路錄象播放將線路錄像數據作為系統的一種索引數據,活動影像的畫面與里程相對應,實現了基於線路錄像的播放、查詢和檢索的功能,實現了基於活動畫面的查詢檢索功能;數字地圖子系統完成了圖形查詢、數字地圖與線路正射圖像瀏覽、圖幅拼接等功能。To deal with the difference on operating system level, this paper designs a thread - level algorithm based upon priority inheritance protocol to prevent priority inversion. a dynamic priority mapping and scheduling algorithm to achieve strict order is also presented. through analysis of multi - threaded execution order under fixed priority scheduling model, a multithreaded programming model with totally predicable execution order is proposed
針對各種操作系統的差異,本文提出了基於優先級繼承協議的線程級防優先級翻轉演算法,提出了能夠嚴格保序的動態優先級映射方法及相關的調度演算法,通過研究固定優先級調度下的多線程執行順序問題,本文還提出了一種執行順序可預測的多線程程序設計模式。On the other hand, - 6 fatty acid desaturase injection assay will be performed to check whether a metabolic pathway is established. methords of research three plasmids vector with expression elements are used to establish a eucaryotic expression vector by restriction enzyme cutting and ligation. this vector is used to pronucleus microinjection
本實驗以pegfp - n1質粒為骨架載體,用酶切連接的方法構建一個順序含有- actin啟動子、 fad2cdna 、 sv40polya加尾信號的真核表達載體,雙切線性化后回收,使用回收的表達載體經原核顯微注射生產轉基因小鼠。The equations of motion governing the axisymmetric elastic deformation of finite orthotropic cylindrical shells, involving the effect of transverse shear and rotational inertia, are derived. by applying the reverberation method, the displacement and the resultant forces of the shell in the phase space are expressed. then the transient waves in the finite orthotropic cylindrical shell subjected to the axisymmetric impact are obtained by using inverse laplace transforms. furthermore, the transient solutions are decomposed to the generalized ray integrals and computed numerically
分析了計及剪切變形和轉動慣性的有限長正交異性圓柱殼中彈性瞬態波的傳播問題,採用回傳矩陣法,在相空間中給出了位移和內力的表達式。再利用laplace逆變換,得到正交異性圓柱殼受軸對稱沖擊作用時彈性瞬態波解,然後將其分解為若干廣義射線積分之和,並用數值方法求解之。Some of the electrons are stopped by the target and their kinetic energy is converted directly to x-radiation.
有些電子被靶擋住后,它們的動能便直接轉化為X射線。First, the nonlinear ls problem without constraint is converted to that subjected to inequality constraints by putting constraints on the do as of the received signals and toas of the first arrived signal with geometrically based single - bounce ( gbsb ) statistical channel model and cost - 207 model. then, a penalty function is used in the estimation of ms position
首先,用基於幾何結構的單次反射圓模型和cost - 207模型,對期望定位用戶的各條多徑信號的波達方向和最先到達多徑信號的時間進行約束,將傳統的解無約束的非線性最小二乘定位問題或近似線性最小二乘定位問題轉化為解不等式約束的非線性最小二乘定位問題;然後,用內點罰函數法估計移動臺的位置。A database search revealed that the putative sequence of the red gene shows 40 - 50 % identity with those of uroporphyrinogen iii methyltransferase ( encoded by coba gene ) from various kinds of bacteria. an over - expression of the coba gene in e. coli was reported to lead to an accumulation of trimethylated derivative of porphyrin termed trimethylpyrrocorphin and factor ii, which emit strong red fluorescence under uv
在ddbj中搜索到多種細菌來源的coba基因(編碼uroporph仰nogenhmethyltransferase )與redsene有40 50的同源性,並據報道,其中一個來源於pmpboibaclerilllaslldelll切chit的coba的基因,轉人大腸桿菌、酵母菌及動物細胞后能使表達載體在紫外線下發射紅色熒光。The submarine noise detected by sonar consists of two parts : propeller - generated hydro - dynamical noise, which can be greatly reduced by improving the submarine rear shape ; radiated noise from the submarine structure excited by the centrifugal forces ( moments ) of rotatory machine, which is more complicated and influenced by many factors
聲納所探測的潛艇噪聲包括兩部分,一是螺旋槳運轉帶來的水動力噪聲,二是潛艇主機工作時產生的不平衡力和力矩引起潛艇結構振動,帶動流場振動從而輻射噪聲。通過改進潛艇尾部線型設計,已將水動力噪聲降到比較低的程度,而結構噪聲則復雜得多,與許多因素有關。At the sound of the key turning in the lock, and the creaking of the hinges, dant s, who was crouched in a corner of the dungeon, whence he could see the ray of light that came through a narrow iron grating above, raised his head
聽到鑰匙在鎖里的轉動的聲音以及鉸鏈的嘎嘎聲,那本來躑伏在地牢的一角,帶著說不出的快樂在享受從鐵柵里射進來的一線微光的唐太斯,他抬起頭來。As a result of the heightening of mechanical operation speed and the application of new materials and new structures, the nonlinear dynamic behavior in rotating machines is becoming increasingly outstanding and important. nonlinear dynamic phenomena in rotating machines cant be described, explained and predicted by rotordynamics based on linear system theory. along with the deepening and permeating of nonlinear scientific research, the nonlinear vibration of rotor systems has become an attractive field in recent years. from a point of view to set up the distinct corresponding relations between vibration states and failures of rotating machines, main advances in the research of rotor nonlinear vibration are summarized, and typical nonlinear dynamic phenomena and their forming mechanism are also summed up in the paper. the aim of the paper is to enrich the diagnostic knowledge base of rotating machines. 55refs
由於機械運轉速度的不斷提高和新型材料、新型結構的推廣應用,旋轉機械的非線性動力學行為日顯突出和重要.基於線性系統原理的轉子動力學理論與方法難以對實踐中出現的豐富的非線性動力學現象作出準確的描述、闡釋和預測.近年來,隨著非線性科學研究的深入和滲透,轉子系統非線性振動已成為應用力學和機械工程領域的研究熱點之一.從有利於建立旋轉機械振動狀態集與故障集之間的映射關系出發,綜述了近年來轉子系統非線性振動研究的主要進展,總結了轉子系統中出現的典型非線性動力現象及其產生機理,目的在於豐富旋轉機械故障診斷知識庫.參55Ten minutes had elapsed since the nurse had left ; valentine, who for the last hour had been suffering from the fever which returned nightly, incapable of controlling her ideas, was forced to yield to the excitement which exhausted itself in producing and reproducing a succession and recurrence of the same fancies and images. the night - lamp threw out countless rays, each resolving itself into some strange form to her disordered imagination, when suddenly by its flickering light valentine thought she saw the door of her library, which was in the recess by the chimney - piece, open slowly, though she in vain listened for the sound of the hinges on which it turned
護士離開已六十分鐘了那每夜必來的寒冷襲擊瓦朗蒂娜又快一個小時了,她無法控制自己的意志,那些幻景和虛象,那盞孤燈射出無數的光線,每一條光線都在她那混亂的幻想變成某種奇特的形狀,突然地,在那搖動的燈光下,瓦朗蒂娜好象看見壁爐旁邊凹進去的那扇通她書房的門慢慢地開了,但她卻聽不到門鏈轉動的聲音。Therefore, the diagnostics of electrical and optical characteristic of plasma form the basic respects of plasma diagnostics. the author reports in detail in the dissertation the experimental investigation on the phenomena of some common discharge systems at typical operation status such as dc glow ; rf ( radio frequency ) glow and microwave ecr ( electron cyclotron resonance ) discharge
創新之處: ( 1 )提出了雙原子分子轉動分辨發射光譜的擬合方法,並利用擬合方法進行了氮氣直流輝光放電產生的第一負帶轉動分辨光譜和磁控濺射沉積cnx膜過程中cn基團的振動帶的轉動線型擬合,獲得了相應的轉動溫度。Due to its characteristic of plug & play ( pnp ), the bulk data transfer module has great advantage and potential to be applied to data transferring between mobile devices, such as notebooks, which do n ' t allow users to plug their own pci devices directly in
Usb數據傳輸介面的使用極大增強了x射線探測器標定分析系統的可移動性,使之不僅能夠方便地應用到個人微機、筆記本電腦等不同的計算機終端上,而且可以使標定分析系統方便靈活地轉移到不同的標定環境。Prestack migration method, based on wave motion equation, is also developed for receiver function, and compared with ray method. both p - to - s conversion wave and direct p phase contained in receiver function are migrated and imaged by reverse - time migration for data gather including all receiver functions recorded in all seismological stations for one event, and imaging profile is finally obtained by stacking for all events
本文還在接收函數射線反投影疊加成像的基礎上,提出了一種基於波動方程的接收函數疊前偏移成像方法,將同一事件接收函數中的轉換波和直達p波震相以各自的速度向深度方向逆時延拓成像,並通過不同慢度接收函數的疊加,得到最終的偏移成像結果。It is constructed that radial impact and rubbing dynamics differential equations of the rotor system having the nonlinear rigidity on the unsteady and non - linear oil film. the bifurcation and chaos behavior of impact and rubbing fault rotor system caused by the parameters of nonlinear rigidity, rotor rotating speed, eccentric mass is analyzed, in the numerical value analysis method. the bifurcation diagrams, maximum lyapunov exponent diagrams, poincar maps, phase plane portraits, trajectories of journal center, time - history curve, amplitude spectra diagrams of the rotor motion are used
( 2 )建立了具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學微分方程,並應用含高階余項的非線性動力方程的線性化數值法研究了此類系統響應的復雜動力學行為,利用轉子響應的分岔圖、最大lyapunov指數曲線、 poincar截面映射、時域波形、相軌線、軸心軌跡、幅值譜等圖形分析了系統響應的周期運動、擬周期運動、倍周期分岔、混沌等運動形式的轉化與演變過程,重點研究了非線性剛度、轉子轉速、偏心質量等系統參數對碰摩故障轉子系統的分岔和混沌行為的影響。The main reason is that the short - range potential is ignored. 2. we presented the theoretical model of collisional quantum interference on rotational energy transfer in atom - diatom system, using the theories of time dependent born approximation and quantum inelastic scattering, and taking into account not only the long - range interaction potentials, but also short - range interaction potential
2 .應用含時微擾理論和量子非彈性散射理論,考慮一級含時波恩近似,長程相互作用勢,短程相互作用勢和直線軌跡近似,完善了原子一雙原子分子體系分子轉動能量傳遞中的量子干涉模型。Showing repeated patterns of hk1000 and the bauhinia flower. if tilted, the holographic images
荊花圖案若把鈔票轉動,該保安線上的雷射分享友人