軌道穩定性 的英文怎麼說
中文拼音 [guǐdàowěndìngxìng]
軌道穩定性
英文
orbital stability- 軌 : Ⅰ名詞1. (路軌;軌道) rail; track 2. (比喻辦法、規矩、秩序等) rut; path; course Ⅱ動詞[書面語] (遵循; 依循) follow
- 道 : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
- 穩 : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 軌道 : 1 (供火車、電車等行駛的由條形鋼材鋪成的路線) track; pathway; rail; runway; circle; railway 2 (...
- 穩定性 : antiwhip
- 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
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In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future
本文結合重慶市大渡口區「三木花園」開發建設項目,從地下空間靜力結構穩定性分析角度出發,針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米,高7 . 5米的地下隧道這一具體工程情況,採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了有限元數值分析計算,探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響,通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況,從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律: ( 1 )在各種不同狀態下計算斷面的主應力矢量圖、位移分布圖( ux 、 uy )以及應力等值線色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ ( xy )對比分佈曲線; ( 3 )不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ ( xy )的對比分佈曲線等,為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。Kiln guiding - rail bricks, supporting suspension bricks and ultra - thin extruded batts are recently developed for the phenomenon of pollution and pulverization caused by using insulation bricks or high - temperature refractory wool in the kilns. they are made from cordierite and mullite with a high strength. they can cover the kiln wall structure made of refractory fiber, greatly reduce pollution and pulverization, remarkably save the energy, easy to be constructed on worksite, and the aspect is beautiful and novel. they are ideal material for large - scale shuttle - kiln or computerized puadrate kiln
窯體道軌磚及支撐吊磚和超薄中空板是針對目前窯爐採用傳統耐火材料在使用過程中由於組多原因造成落臟或粉化現象而開發生產;它是堇青石-莫來石材料製造而成,強度大,熱穩定性佳、覆蓋耐火纖維製品組成窯爐墻體結構,它能大大減輕落臟與粉化現象,節能效果十分明顯、施工方便、整體美觀新超是高級大型梭式或電腦方窯等窯爐的理想材料。In view of the regression characteristic and the configuration maintenance demand of the regional coverage satellite constellation, the constellation configuration is optimized using the linear relations between the semi - major axis and inclination and the rates of change of the ascending node right ascension and phase, which enhance the long - term stability of the satellite constellation configuration, simultaneously the sub - stellar and the phase are controlled through changing the deviations of the semi - major axis and the inclination
摘要針對區域覆蓋衛星星座的回歸特性和構型維持需求,利用軌道半長軸和傾角與升交點赤經漂移和相位角漂移變化率之間的線性關系來優化星座構型參數,提高衛星星座構型的長期穩定性,同時通過協同控制軌道半長軸和傾角漂移量來實現區域覆蓋星座構型維持。A convenient computational method for analyzing the stability of continuously welded rail tracks
無縫線路軌道穩定性簡便計算方法In this thesis, three systems, namely, perfect and defect sno _ 2 ( 110 ) surfaces, ti and ru - doped surfaces and the adsorptions of small molecules on above perfect surfaces have been studied in details by using the first - principles method with the combination of pseudopotential plane - wave and atomic basis sets. the structural stability, surface states and the surface chemistry of undoped and metal doped sno _ 2 ( 110 ) surfaces have been discussed, which can provide the theoretical rules to improve the surface properties of this special functional material
為了深入了解sno _ 2表面的電子結構本質及其化學反應性質,本論文採用贗勢平面波和原子軌道基組相結合的第一性原理方法,詳細考察了三種類型體系,即sno _ 2 ( 110 )完整和缺陷表面、 ti和ru摻雜表面、以及典型小分子在上述完整表面的吸附,揭示了sno _ 2 ( 110 )及其金屬摻雜表面的構型穩定性、表面態及其對表面化學反應性的影響,為該類型表面功能材料的改性提供理論依據。Orbital stability of solitary waves to
方程孤立波解的軌道穩定性Orbital stability of solitary waves of generalized compound kdv equations
方程孤立波的軌道穩定性Based on the complex nonlinear system theory and contraposing the nonlinear time - dependent characteristic of complex economic system, this dissertation researches the structure, stability, equilibrium trajectory bifurcation and trajectory catastrophe phenomenon of evolution, the characteristics of the equilibrium catastrophe trajectory which is caused by parameters
以復雜非線性系統的理論為基礎,圍繞復雜經濟系統的非線性時變特點,對非線性時變系統的結構、穩定性、演化過程中平衡軌道分岔現象和參數引起的軌跡突變現象進行了理論研究,研究了突變軌跡的相關性質。Above all, with the data acquired by tests, this thesis has analysized the lateral resistanc, longitudinal resistance and rail creep etc between ballast and sleeper before and after mass machine work, discussed the effect of mass machine on stability of continuously welded rail track, reseached the change regularity of fastening - down temperature of rail, which is resulted by mass machine work, and have settled the suitable range of work temperature which guarantees the stability of jointless railway. what ' s more, this thesis has put forward the appropriate work pattern, work temperature and work area for mass machine work in future. at the same time, this thesis has given rational suggestions about some conditions worth of attention in production of mass machine, which can in return raise the work productiveness of mass machine. at last, this thesis has considered formulating reasonable measures for operation organization and work standard, so that mass machine work can play an important role in maintenance, which can reduce work load, raise work efficiency and maintenance cost in daily maintenance
本文通過實測的各種數據,分別對大機作業前後道床對軌枕的橫向阻力、縱向阻力、鋼軌爬行情況等進行深入分析,進一步探討大機作業對無縫線路穩定性的影響,研究大機作業引起的鎖定軌溫的變化規律,確定保證無縫線路穩定的合適作業軌溫范圍。為我國今後的大型養路機械作業提出合理的作業方式、合適的作業軌溫和作業地段,同時對大型養路機械作業中應注意的問題提出合理化建議,為大型養路機械作業提供更高的安全保障,進一步提高大機作業效率。最後,對工務段在大機作業中的配合制定完善的施工組織措施及作業標準,使大機作業在養護維修中發揮更大的作用,為工務段日常的養護維修減少工作量,提高勞動效率,降低維修成本。Abstract : the forced state in key parts and their lifetime, the volume of high pressure chamber and ratio of pressure, the length of high pressure stroke and pressure stability, the relations between the deformation of high pressure chamber and temperature field and pressure field for three kinds of apparatus of making synthetic diamond under high pressure and high temperature were compared in this paper. the differences of these main apparatus were analyzed according to the degree of difficulty and ease in the technique, the choice of applicability and the cost and yield of them. it was emphasized that studying and developing the large sized belt - type press should be the way to make high quality saw diamond and change the state of making middle and low quality diamond in the diamond industry of our country, catching up with the international advanced level as well
文摘:通過對高溫高壓合成金剛石3種主要裝備在關鍵部件受力狀況與使用壽命、高壓腔體積與壓力利用率、高壓沖程大小與壓力穩定性,高壓腔變形與溫場、壓場的關系等方面的比較,分析了3種主要裝備在技術難易程度、適用性選擇和投入產出比的差異;強調了我國金剛石行業要改變當前只能生產中低檔金剛石的現狀,向生產高品級鋸片級金剛石的方向發展,與國際接軌,應該走大型化兩面頂的道路。The forced state in key parts and their lifetime, the volume of high pressure chamber and ratio of pressure, the length of high pressure stroke and pressure stability, the relations between the deformation of high pressure chamber and temperature field and pressure field for three kinds of apparatus of making synthetic diamond under high pressure and high temperature were compared in this paper. the differences of these main apparatus were analyzed according to the degree of difficulty and ease in the technique, the choice of applicability and the cost and yield of them. it was emphasized that studying and developing the large sized belt - type press should be the way to make high quality saw diamond and change the state of making middle and low quality diamond in the diamond industry of our country, catching up with the international advanced level as well
通過對高溫高壓合成金剛石3種主要裝備在關鍵部件受力狀況與使用壽命、高壓腔體積與壓力利用率、高壓沖程大小與壓力穩定性,高壓腔變形與溫場、壓場的關系等方面的比較,分析了3種主要裝備在技術難易程度、適用性選擇和投入產出比的差異;強調了我國金剛石行業要改變當前只能生產中低檔金剛石的現狀,向生產高品級鋸片級金剛石的方向發展,與國際接軌,應該走大型化兩面頂的道路。Based on the engineering practice of the waihuan station in shanghai urban mass transit line 9, this paper analyses the structure form of the deep foundation pit and the key - nodes design by using the top - down invert method, so as to optimize the engineering
摘要以上海軌道交通9號線外環路站為實例,介紹了部分逆築法施工的地鐵車站深墓坑圍護結構形式,及其結構設計;著重介紹了基坑圍護結構的計算模型設定、基坑穩定性計算,及圍護結構的基礎施工步驟。High - speed track proposes higher demands for subgrade and bed. the application of ballastless slab track is the main tendency for assuring the high stability and smooth of the track
高速軌道對路基和道床提出了很高的要求,為保證軌道的強穩定性和高平順性,採用板式無碴軌道的結構形式已成為一種趨勢。The effect of track stiffness and track damping on high - speed train hopf bifurcation speed is discussed. the difference of the lateral stability between vehicle and train under the same track conditions is given. during the research course, the effect of bogie suspension parameters, track parameters, lateral link stiffness and lateral link damping between cars on train ( vehicle ) hopf bifurcation speed are also educed
在研究過程中,既研究了車輛系統懸掛參數對列車(車輛) hopf分叉速度的影響,也研究了軌道參數對列車(車輛)系統hopf分又速度的影響,同時還研究了車間橫向連接剛度導和橫向連接阻尼系數對列車系統運動穩定性的影響。In this paper, the dynamic characteristics associated with the high - speed maglev vehicle and guideway coupling system has been studied. two issues are discussed : one is the asymptotic stability of the system and the other is the coupling vibration characteristic. the basic relation between the control, structure and coupling parameters is studied emphatically to trace the rule of the vibration and to give help for the design of guideway, vehicle structures and controller
本文選擇高速磁浮列車系統懸浮方向的車軌耦合動力學特性作為研究對象,分析車軌耦合動力學的兩個基本問題:系統漸近穩定性和車軌耦合振動特性,重點研究控制、結構和各種耦合參數與這兩項系統特性的關系,目的在於尋找車軌耦合振動的規律,為軌道、車輛結構和控制器設計提供參考。Analysis of the stability of continuously welded rail track considering shear deformations
考慮剪切變形的無縫線路軌道穩定性分析It is well known that the absence of periodic or chaotic behavior, which guarantees complete stability, is a requirement for many applications. we call that a cnn is completely stable, if any initial condition ( except at most for a zero measure set ) bring the system to an equilibrium point
眾所周知,在cnn的各種應用中,都要求系統不能存在周期軌道以及混沌吸引子,因此保證系統的穩定性則變得十分必要。所謂cnn的穩定性是指系統除了從一測度為零的集合為初始點出發的軌線外,其它的軌線最終都趨于某個穩定的平衡點。( 4 ) the paper has studied the structure and training algorithm of self - recursion neural network. it also studies the convergence and stability of self - recursion neural network " training algorithm by using lyapunov method. then the paper use inversion method to simulate the vibration field of ground vibration caused by track traffic by self - recursion neural network for the first time
( 4 )研究了自遞歸神經網路的結構及訓練演算法,利用lyapunov方法研究了自遞歸神經網路訓練演算法的收斂性和穩定性,並首次利用自遞歸神經網路來反演軌道交通引起地面振動的振動場。The maglev train do not contact with guide way, and generally trestles are used as levitation guide way, so the dynamics character of maglev is more complex than that of traditional wheel - rail. the main problems include stability of suspension and guidance control and coupled vibration of vehicle - rail
因為磁懸浮列車與軌道無接觸,而軌道又往往採用高架橋梁,所以其動力學特性比起傳統輪軌列車要復雜得多,主要有懸浮、導向穩定性和車軌耦合振動等問題。Among the six models, model a and model b can be used to study the vehicle stability and curve negotiation under different track situations. model c and model d can be used to carry out the stability, dynamic curving behavior and ride comfort of the high - speed passenger car. model e and model f are three - dimension train dynamic models which consist of three cars ( head car, intermediate car and tail car )
所建立的6種動力學模型中,模型a和模型b可用於研究不同軌道條件下車輛的運動穩定性及動態曲線通過性能;模型c和模型d可以用來研究車輛的運動穩定性、動態曲線通過性能及運行平穩性;模型e和模型f是列車系統動力學分析模型,都是由三節車組成的列車單元,三車列車模型作為一個最小的列車單元,包含了頭車、中間車和尾車,已能夠反映整個列車的動力學特性。分享友人