徑向穩定性 的英文怎麼說

中文拼音 [jìngxiàngwěndìngxìng]
徑向穩定性 英文
radial stability
  • 徑 : Ⅰ名詞1 （狹窄的道路; 小路） footpath; path; track 2 （達到目的的方法） way; means 3 （直徑的簡稱...
  • 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 ...
  • 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...
  1. The axial magnetic field distribution on center surface of contact gap and contact piece are calculated when the current is at peak. it can be found that the intensity of axial magnetic field and radial magnetic field uniformity are strengthened after the iron core is put into, this helps to improve the stability of the vacuum arc

    計算了電流峰值時觸頭間隙中心平面和觸頭片上的縱向磁場分佈，可以看出加入鐵芯后縱向磁場強度和徑向磁場均勻性增強，這有利於提高真空電弧的穩定性。
  2. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  3. The gas chimney can be applied in hydrocarbon exploration in terms of ranking prospects, detecting migration pathways, distinguishing sealing or non - sealing faults, identifying potential over - pressured zone and drilling ( shallow gas ) hazards as well as assessing the sea floor stability for platform design and drilling

    氣煙囪在油氣勘探工作中有其獨特的作用，可以有效地預測勘探方向、揭示天然氣的運移路徑、預測斷層的封閉性，同時利用氣煙囪還可以預測超壓和海底構造穩定性，降低淺層氣鉆探風險。
  4. Influence of preload factor on the stability of three - lobe journal bearing

    預負荷系數對三油楔徑向滑動軸承穩定性的影響
  5. The cfst x - type arches improve the lateral stability by sloping the arc ribs, so it is ofen used in the designs of cfst arch bridge with small ratio of the width to the span. tongwamen bridge is a half - through cfst arch bridge, its span is 238m, and the width of its roadway is 10m, so the truss ribs in - plane is sloped into x - shapc to improve its lateral stability. as the cfst x - type arches with longest span all over the country presently, the design of tongwamen bridge can be used for reference of adopting cfst x - type arches in the design of arch bridges with small ratio of the width to the span

    鋼管混凝土x型肋拱橋是一種利用拱肋側傾來提高其橫向整體穩定性的橋型，在寬跨比較小的鋼管混凝土拱橋設計中應用較多。浙江銅瓦門大橋是一座中承式鋼管混凝土無鉸拱橋，跨徑238m ，橋寬10m ，拱肋為平面桁架形式，所以採用了x型拱肋以提高其橫向穩定性。作為國內目前跨徑最大的鋼管混凝土提籃拱橋，該橋的建成對我國今後長大跨徑小寬跨比鋼管混凝土拱橋採用提籃拱具有借鑒意義。
  6. In addition, the paper makes relatively in - depth analyses on the function approximation theory of radial basis function neural networks and the stability of the adaptive controller based on radial basis function neural networks

    此外，本文對徑向基函數神經網路的函數逼近理論以及基於徑向基函數神經網路的自適應控制器的穩定性作了較深入的分析。
  7. This paper with the actual needs of metal physical doping of icf target material and laser - x - ray conversion material is starting point, major for flow - levitation method principle, technology parameter control particle grain size, structure and thermal stability of phase composition that prep aration metal and alloy nanoparticle go deep into research. the principle of preparation metal nanoparticle by flow - levitation method is difference with other evaporate condensation method

    本文以icf靶材料金屬物理摻雜和激光- x光轉換材料的實際需要為出發點，主要對自懸浮定向流技術制備金屬與合金納米微粒的原理、過程和工藝參數控制微粒粒徑大小，所制備納米微粒的結構、物相組成以及組成相的熱穩定性等方面進行了深入研究。
  8. One is the " belt persistence ", which is defined as the total length of joints teace length in a 1m wide belt projected to a basic line ( eliminating the overlay section ) over the length of the basic line. another is the one called as " search persistence ", which is defined a as the total length of joints trace length on the searched potential slipe surface over the length of the slip surface. thus, the author establishes a measuring and calculation system to these definitions and finishes a great deal of field investigation aiming at the joints trace length and the " rock bridge " survey

    在此基礎上，針對a區邊坡的穩定性，結合邊坡的破壞失穩模式，以邊坡節理巖體的連通特性的研究為突破點，從節理巖體的幾何參數的統計分析出發，採用monte - carlo隨機模擬原理形成節理網路模擬圖，以巖橋和節理組合破壞的內在機制為依據，以搜索節理巖橋組合的最短路徑為手段，通過帶寬投影法與路徑搜索法兩種方法的計算，獲得了sn向中緩節理的連通率分別為48 . 7和56 . 78 ，最終推薦60的連通率進行了邊坡的穩定性分析與計算，並結合工程實際，計算了邊坡的推力與錨固力，最終為邊坡的支護設計提供優化建議。
  9. So, it is definitely different from other amb - ab. three aspects have been studied theoretically in this paper which were based on an analysis of a compliant multleaf journal self - acting air bearing, which are as follows : ( 1 ) a set of theoretical analysis method which include the development of. physical and mathematical model, the solution of governing equations and the prediction of static and dynamic performance of the foil gas bearing is proposed. the above theoretical analysis method provides a possibility for numerical analysis

    本文在分析懸臂型彈性箔片徑向動壓氣體軸承工作原理的基礎上，做了以下幾個方面的工作： （ 1 ）建立了懸臂型彈性箔片徑向動壓氣體軸承的物理和數學模型，確立並求解了控制方程，得到了靜、動態性能的穩定性分析方法，為數值分析懸臂型彈性箔片徑向動壓氣體軸承奠定了基礎。
  10. Seven chapters are included in this thesis. the first chapter is the introduction about the necessity of bridge detection and common defect of the bridge. the second chapter introduces the structural basic condition and defect details of the bridge. the third chapter describes the preparation for the detection work. including the overall investigation of the diseases and the condition at operation, the set - up of loading test and control measures and structural computation. the 4th chapter is on - the - site detection, which consists of static and dynamic tests and necessary data collecting for analysis and evaluation. the 5th chapter is the analysis of detention data. according to collected data of loading tests, the results of static and dynamic tests are analyzed. the 6th chapter evaluates the strengths, rigidity. stability and dynamic characteristics of the bridge, so that the conclusion can be reached. the 7th chapter is summarization

    第六章是檢測評定結論，全面評定該橋的強度、剛度、穩定性和動力特性，從而給出檢測評定結論。第七章是總結，在對本項目的工作內容和工作特點進行總結的基礎上，指出了舊橋檢測存在的問題以及今後發展的方向。同時，通過對本次檢測工作的研究，初步形成了一套特大跨徑舊鋼橋的檢測評定方法，即：全面的病害和運營狀況調查、現實狀況計算分析、制定加載試驗方案和加載控制措施、加載試驗、綜合橋梁分析專家評定。
  11. In this paper, we consider the stability of the positive radical steady states, which are positive solutions of of the following cauchy problem : where initial function 0 is a bounded non - negative continuous function in rn, and k ( r ) > crl for some l > - 2 and r large

    本文討論了如下的柯西問題的正徑向平衡解的穩定性，其中初始函數是r ~ n中不恆為零的有界非負連續函數， k （ r ） cr ~ l （ l - 2 ， r足夠大） 。這個問題的正徑向平衡解是的正解。
  12. ( 3 ) the effects of the bearing parameters on the bearing performance have been numerically analyzed using finite element method. a finite element formulation has been developed. the numerical analysis of finite element has been realized with matlab language

    （ 3 ）用有限元法數值分析了懸臂型彈性箔片徑向動壓氣體軸承的結構參數和運轉參數對軸承靜動態性能和穩定性的影響。
  13. Zno thin film is compact and smooth, while the average size of the fine uniform grains, most of them are c - axis oriented, is about 30 - 50nm. the average oxygen content of zno thin film is over 40at %. fitful - sputtering helps to improve the orientation and compact extent crystal grains, and to decrease internal stress

    Sem 、 xrd和edx檢測結果顯示zno薄膜具有很好的工藝穩定性， zno薄膜平整緻密，粒徑分佈均勻，晶粒平均尺寸為30 - 50nm ，主要沿c軸方向生長，平均氧含量超過40at % 。
  14. Nonlinear stability of balanced rotor due to the effect of ball bearing internal clearance

    考慮徑向內間隙的滾動軸承平衡轉子系統的非線性動力穩定性
  15. Firstly, the experience of cfrm study is summarized and experiments are carried out to improve the preparation technics and to get the appropriate proportion of the materials used. secondly, the factors, which affect the conductivity and stability of cfrc, are investigated. and its smart property is studied with different cf contents and loading directions, and under elastic loading cycles

    其次，通過試驗，探討了碳纖維含量、水灰比、骨料粒徑、齡期、極化效應、電極形式等對碳纖維混凝土導電性、穩定性的影響；研究了碳纖維摻量、加載方向等對碳纖維混凝土機敏性的影響；並研究了在彈性范圍、循環荷載作用下，材料的壓敏性。
  16. The system is composed of inverse - fourier - transform system, optic fiber sensor and high sensitivity ccd. its software system of signal acquisition and data processing used the platform of virtual instrument labview. we tested system stability and investigated latex particle size from 32nm to 123nm, several phenomenon below have been found : ( 1 ) the experiment result is consistent with the theoretical arithmetic result of the relation between particle size and normalization light scattering energy at the position of 7 ? and 35 ? angle

    組建了包括反傅立葉變換系統、光纖傳感器以及高靈敏度ccd的大角度側向光散射信號探測系統，設計了基於虛擬儀器labview平臺的信號採集和數據處理軟體，對系統穩定性和顆粒尺寸從32納米- 123納米的微乳液顆粒球進行了測試研究，發現以下現象： （ 1 ）在與光軸成7和35夾角的位置，歸一化的散射光能量與粒徑大小關系的實驗結果跟理論分析規律完全一致。
  17. Geometric nonlinear behaviors in large span cable - stayed bridges have been analyzed in this paper, which include the sag of inclined cable stays caused by their own dead weight ; the interaction of large bending and axial deformation in bending members ; and the large displacements effects. then analyzing theories and researching levels of geometric nonlinear problems of modern cable - stayed bridges have summarized. and methods of modeling cable - stayed bridges for nonlinear finite element analysis have been discussed, which are the equivalent modulus of elasticity, introducing stability functions and continuously modifying geometry of structure

    本文分析了大跨徑斜拉橋幾何非線性的主要影響因素，包括斜拉索的垂度效應、彎矩與軸向力組合效應和大變形效應，同時對目前斜拉橋幾何非線性問題的分析理論和研究水平進行了綜述，相應討論了各非線性影響因素的處理方法，即分別採用等效彈性模量法、引入穩定性函數和實時修正結構的幾何位置。
  18. The stepped location and radial depth of tip clearance are crucial parameters to decide rotor stability and performance

    階梯狀間隙的開槽位置及徑向的間隙深度是影響轉子性能和穩定性的重要參數。
  19. Abstract : concerning the models for discribing aerodynamic stability of axial flow compressor, the original model is one - dimensional, and it is reasonable for the onset of surge only. for the onset of rotating stall, there are just some two - dimensional models at published literatures. a three - dimensional aerodynamic of compressor has been presented in this paper. an aerodynamic stability model concerning radial disturbance of compressor is presented. the calculated results show that the occurrence of radial disturbance is related to the axial velocity disturbance, which has important effect on aerodynamic stability of compressor. the position of onset of stall, in blade tip or hub, is dependent upon the characteristics of blade element. the comparisons of calculated results predicted by 2d and 3d aerodynamic stability model have also been made in this paper

    文摘:軸流壓氣機的氣動穩定性模型，最初為一維模型，僅適用於描述喘振發作.對于旋轉失速發作，在公開文獻中有一些二維模型發表.本文提出了一類考慮壓氣機徑向擾動對失速影響的新的氣動穩定性模型.計算結果表明壓氣機的軸向擾動往往隨著徑向擾動的產生，徑向擾動的強度影響壓氣機的氣動穩定性，在葉尖還是葉根首先產生失速與壓氣機基元葉柵特性密切相關.本文對軸流壓氣機二維和三維氣動穩定性模型的計算結果進行了對比分析
  20. Concerning the models for discribing aerodynamic stability of axial flow compressor, the original model is one - dimensional, and it is reasonable for the onset of surge only. for the onset of rotating stall, there are just some two - dimensional models at published literatures. a three - dimensional aerodynamic of compressor has been presented in this paper. an aerodynamic stability model concerning radial disturbance of compressor is presented. the calculated results show that the occurrence of radial disturbance is related to the axial velocity disturbance, which has important effect on aerodynamic stability of compressor. the position of onset of stall, in blade tip or hub, is dependent upon the characteristics of blade element. the comparisons of calculated results predicted by 2d and 3d aerodynamic stability model have also been made in this paper

    軸流壓氣機的氣動穩定性模型，最初為一維模型，僅適用於描述喘振發作.對于旋轉失速發作，在公開文獻中有一些二維模型發表.本文提出了一類考慮壓氣機徑向擾動對失速影響的新的氣動穩定性模型.計算結果表明壓氣機的軸向擾動往往隨著徑向擾動的產生，徑向擾動的強度影響壓氣機的氣動穩定性，在葉尖還是葉根首先產生失速與壓氣機基元葉柵特性密切相關.本文對軸流壓氣機二維和三維氣動穩定性模型的計算結果進行了對比分析
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