鐵動力學研究 的英文怎麼說
中文拼音 [tiědònglìxuéyánjiū]
鐵動力學研究
英文
iron kinetics study- 鐵 : Ⅰ名詞1 (金屬元素) iron (fe) 2 (指刀槍等) arms; weapon 3 (姓氏) a surname Ⅱ形容詞1 (形容...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 研 : 研同 「硯」
- 究 : Ⅰ動詞(仔細推求; 追查) study carefully; go into; investigate Ⅱ副詞[書面語] (到底; 究竟) actually; really; after all
- 研究 : 1. (探求) study; research 2. (考慮或商討) consider; discuss; deliberate
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According to the analysis and comparison for existing wireless data traffics, a wireless bonding mode is adopted to realize mobile ticketing. the thesis also researches the safety issue on railway wireless ticketing system and put forwards the corresponsive solution. a series of safety techniques, for example data encryption, are adopted to ensure the safety of transaction between the wireless ticketing terminal and railway ticketing system
本論文圍繞無線接入技術展開討論,通過對現有無線數據業務的分析比較,確定無線接入方式,實現移動方式的鐵路售票系統;研究鐵路無線售票系統所面臨的安全問題並提出相應的解決方案,在軟硬體結構設計中採用了一系列安全技術,並輔以科學的管理方法,使無線售票系統具備一定的安全防護能力。Study on thermal decomposition kinetics of siderite
菱鐵礦熱分解動力學研究With the development of the computer and calculating dynamics, in recent years many researchers from different countries begin to research the coupling between train and line. the research on the coupling between vehicle and brid ge with the finite element method becomes one of the very important constitutional parts
隨著計算機和計算力學的發展,近年來各國鐵路科研工作者開始對列車?線路耦合系統進行研究,其中,車?橋耦合振動的有限元分析研究就是近年來發展起來的一個重要組成部分。Thermal decomposition of ferrous oxalate dihydrate was investigated using in situ x - ray diffraction ( xrd ) analysis and thermogravimetry in static self - generated air
摘要用原位xrd技術和熱重法分析了二水草酸亞鐵的熱分解過程,並進行了動力學研究。As to the current problems existing in the identification for these flutter derivatives, the dissertation tries to trace the development in the identification for the past unsteady aerodynamic forces of long - span bridges. it also investigates the method for flutter and buffeting analysis and the flutter derivatives. based on the present methods used in obtaining the unsteady aerodynamic forces and flutter derivatives, and co - funded by a natural scientific fund from the nation and a key project fund from the railway ministry, the current research has attempted to develop a device which can be employed in the wind tunnel to test flutter derivative through a forced vibration method
鑒于目前橋梁斷面顫振導數識別的水平和存在的問題,本文通過對大跨度橋梁非定常氣動力、顫振分析方法及顫振導數識別方法的回顧和評述,基於現有的非定常氣動力和顫振導數的測試方法,在國家自然科學基金與鐵道部重點學科基金的聯合資助下,研究開發了一套在風洞中採用強迫振動法測試顫振導數的裝置。Desulfurization and kinetic study of pyrite in coal by electrolysis
煤中黃鐵礦的電化學脫硫及動力學研究Because of the importance of the industry, the paper is valuable in engineering. the paper also discusses multi - field, multi - phase, multi - state and computer technology, so the paper is also valuable in study. in chapter 1, the background, the history and the study status of model of " flow of fluid - solid material along a curved line by stretch " are provided
論文研究流固物體曲線拉伸流動數值模擬的原理和方法,這個問題典型存在於聚合物抽絲及鋼鐵冶金連鑄工藝和加工過程中,由於涉及重要而龐大的產業,因而具有重要的工程價值,又涉及近代力學多場量、多相、多態和計算技術等綜合復雜問題,因而具有重要的學術價值。Abstract : the mechanism, stages and controlling step of hot metal desiliconization process are investigated, and the methods intensifying process and increasing reaction rate are proposed
文摘:研究了鐵水脫硅過程的機理、組成環節和控制步驟等動力學問題,提出了強化過程和提高過程速率的方法。Through using for reference main research methods of high - speed wheel - rail railway line ' s main technique criteria, this paper studies main technique criteria of maglev railway line, brings forward some advised datum of magelv railway line, and puts up dynamical analysis with computer
本文主要是通過借鑒高速輪軌鐵路線路平縱斷面設計標準的主要研究方法,對高速磁浮鐵路線路平縱斷面線形和設計參數值進行研究,提出了一系列設計參數建議值,並在計算機上進行了動力學檢算。Simulation on the a - magnet of 30mev linac is also done with the gpt code ; the movement picture of electron beam in a - magnet is presented ; the change of beams emittance, the compression effect of bunch length, change of energy dissipation and achromatic angle of true a - magnet are explored. this chapter mainly introduces some characteristics and properties of the main accelerate stage in 30mev linac system
利用gpt程序對30mevlinac中的-磁鐵進行了動力學模擬,給出了電子束在-磁鐵中的運動圖像,研究了注入器輸出束流經過-磁鐵后束流發射度的變化、束團長度的壓縮效應、能散度的變化以及-磁鐵實際的消色散入射角。Phase transfromation dynamics of low - carbon micro - alloy steel and study about structure of needle - like ferrite
低碳微合金鋼的相變動力學及針狀鐵素體組織研究Combined with the research project of the advanced performance of wire rope in the port cranes, a key technological problem of the ministry of communications, this dissertation investigated the stress - effect on the magnetic flux leakage ( mfl ) of wire ropes and the law of the mfl signal changes during wire rope fatigue testing by experiments and modern signal processing methods based on the ferromagnetic theory, being aimed at the present problems of current wire rope testing technology. the characteristic parameters and quantitative descriptive specifications for wire rope defective signal were analyzed in detail. this dissertation present a novel method of quantitatively evaluating locate faults ( lf )
本文結合交通部重點科技項目「港口起重機鋼絲繩傳動件的高性能技術研究」 ,針對當前鋼絲繩電磁檢測技術中所存在的問題,以鐵磁學為理論基礎,以試驗和現代數字信號處理技術為手段,對鋼絲繩漏磁信號的應力效應、鋼絲繩疲勞損傷歷程中的漏磁信號變化規律做了深入的研究,對鋼絲繩缺陷信號的特徵參數和缺陷的定量描述指標做了詳細的分析,提出了一種局部缺陷的定量逼近方法。The adsorption of natural surface coatings, developed in the nanhu lake ( changchun, china ), towards cd was studied to determine the effects of the amounts of fe oxides in surface coatings on cd adsorption and the dynamics and thermodynamic characteristics of cd adsorption
摘要利用長春南湖水培養生物膜,研究自然水體生物膜上鐵氧化物的含量變化對生物膜吸附鎘動力學、熱力學的影響。According to the assumption that porous iron sample has transformed to homogeneous medium under a given shock pressure, a morse - type potential is used to simulate hugoniot curve and shock temperatures of porous iron by md method
為了研究多孔鐵樣品在沖擊壓縮后系統溫度均勻性的問題,本文還採用anderson的對勢對多孔鐵沖擊壓縮線進行了分子動力學模擬。Progress on growth kinetics of thiobacillus ferrooxidans
氧化亞鐵硫桿菌生長動力學的研究進展In this paper, the mechanics model and computer control method for electromagnetism vibration feeder are studied. the emphases are put on the seeking of optical motion states and the realization of these states by computer control. using labview ( laboratory virtual instrument engineering workbench ), a waveform generator is established to control the electromagnetic force
本文對電磁振動給料機的力學模型與計算機控製做了比較深入的分析和研究,特別是給料機的力學分析與最佳運動狀態、電磁鐵的一些特性和用labview實現計算機控制,在與傳統的控制方法對照的情況下,建立了對比較周全的力學模型,提出了利用labview程序產生一個波形發生器,經過放大后對電磁鐵進行控制。With the input of a vibration acceleration history of subway train, a full dynamic analysis of soil - pile - structure is carried out. the propagation of vibration wave on the ground and vibration responses of the huge platform and the storied buildings are analyzed. some conclusions are drawn as follows : ( 1 ) with the increase of the distance to the vibration source, vibration intensity of the ground decreases ; ( 2 ) the vibration intensity of the ground in vertical direction is slightly larger than that in horizontal direction ; ( 3 ) with the increase of the distance to the vibration source, the situation that the vibration intensity of each building in horizontal direction is maximum at highest and lowest story whereas minimum at the middle story changes gradually to that decreasing with the height of building ; ( 4 ) in vertical direction, the vibration velocities and accelerations at the end points of each story of a building are the nominal identical, which indicates that the vertical vibration of them is unanimous ; ( 5 ) the vibration intensity in vertical direction of a building is larger than that in horizontal direction ; ( 6 ) increasing of the elasticity of track is an effective way to abate vibration of ground and buildings
本文以北京地鐵八王墳車輛段地上超大結構(車輛段大平臺及其上的小區樓房)及其地基基礎為研究對象,在研究和分析有關資料的基礎上,用快速拉格朗日有限差分法軟體flac建立了二維數值分析模型,並以列車振動加速度時程作為模型輸入,進行了地基?樁基礎?地上結構的整體動力學分析,分析了地鐵列車運行產生的振動在地面的傳播規律及其對地上結構的影響,得到了如下結論: ( 1 )隨著與地鐵線路距離的增大,地面的振動強度有減小的趨勢; ( 2 )地面豎直方向的振動強度較之水平方向的略大; ( 3 )隨著與振源距離的增大,在水平方向上,地上各幢樓房的振動強度由底層和頂層的最大、中間層的最小逐漸過渡到沿樓層增高而減小; ( 4 )在豎直方向上,每幢樓各層端點的振動速度、加速度完全相同,表明樓房各層在豎直方向上的運動狀態一致; ( 5 )各幢樓房豎直方向的振動強度比水平方向的大; ( 6 )增加軌道彈性是減輕地面和地上建築振動的有效途徑。However, whether the conclusion could be applicable to porous samples with larger porosities needs to be further verified by experiments. in brief, this work has used shock wave experimental, thermodynamic and md method to study the hugoniot curves of 6. 151 - 6. 725mg / m3 porous iron
綜上所述,本文採用沖擊波實驗、熱力學理論方法和分子動力學方法對初始密度為6 . 151 - 6 . 725g / cm ~ 3的多孔鐵樣品沖擊壓縮特性進行了研究。Investigation of aerodynamic characteristics of tunnel portals in high - speed railway
鐵路隧道緩沖結構空氣動力學特性的試驗研究This program can be used in railway transport department to improve transport efficiency and ensure safety of train running, also used in railway research department to optimize the performance parameter of part and system that related with train longitudinal dynamics
該程序用於現場應用部門,可以提高鐵路運輸的高效性,保證鐵路運輸的安全性。也可用於研究部門,優化與列車縱向動力學性能相關部件的性能參數。分享友人