電力學的 的英文怎麼說
中文拼音 [diànlìxuéde]
電力學的
英文
electrodynamic-
This interplay between mechanics and electromagnetism is less evident.
力學和電磁學的這種相互關系不太明顯。In experiment, the dsc technique was used to analyze the effect of electric fields on the precipitate kinetic of al - li alloy solutionized with electric fields. the energy spectrum, tem and sem techniques are employed to investigate the elements solution, precipitates, fracture character, conductivity and vickers hardness. also, the solidification of al - cu eutectic alloy was conducted with the influence of electric fields
在實驗上,利用dsc熱分析技術,分析了電場作用對al - li合金相析出動力學的影響;採用能譜成份檢測,透射電鏡和掃描電鏡等多種微觀檢測手段,對鋁合金的析出相,斷裂特徵、合金電導率和維氏硬度等性能在電場作用下的變化進行了系統的研究,並觀察了al - cu共晶合金在電場作用下的凝固組織。Based on the review, the main objectives of this work had been determined. the thermodynamic analysis indicated that corundum - mullite - gahnite multiphase materials can be synthesized. the investigation of x - ray diffraction ( xrd ) and scan electron microscope ( sem ) proved the validity of thermodynamics research
通過對al _ 2o _ 3 - sio _ 2 - zno體系相關反應熱力學的計算表明能夠合成出剛玉?莫來石?鋅鋁尖晶石復相材料, x ?射線衍射( xrd )和掃描電子顯微鏡( sem )的研究證實了熱力學計算的可靠性。So combine the item of “ space targets surveillance photoelectricity telescopes arrays system ”, this thesis does research in developing space targets visualization system. the main achievement in this thesis can be summarized as follows : 1. expatiate e the basic theory of satellite track dynamic, analyse the orbit characteristic of two - body problem and launch window, subastral point calculation, visibility and coverage analysis, two - line element sets
本文結合「空間目標監視光電望遠鏡陣系統」課題,進行了空間目標可視化系統的設計和研究,主要作了以下幾方面的工作: 1 、闡述了衛星軌道動力學的基本原理,分析了二體軌道特性和發射窗口的基本特性,星下點軌跡計算、可見性和覆蓋分析和兩行根數。Many planets ( for example, ganymede, mercury, the earth, jupiter and saturn ) and stars ( for example, the sun ) possess intrinsic magnetic fields. the explanation for their existence and variation remains a great challenge to planetary scientists and astrophysicists. this article attempts to review some recent developments and difficulties in the study of magnetohydrodynamics for the electrically conducting fluid interiors of planets and stars. it is the fluid motions, usually driven by thermal convection, that generate and sustain magnetic fields through magnetohydrodynamic processes in planets and stars. in planets, the magnetohydrodynamic processes are strongly affected by the combined and inseparable effects of rotation, magnetic fields and spherical geometry. the key dynamics involves the interaction between the coriolis and lorentz forces. in the sun, it is the solar tachocline, a thin shear flow layer located at the base of the convection envelope, that plays an essential role in the solar magnetohydrodynamic processes which produce the 11 - year sunspot cycle. some results of a new nonlinear three - dimensional solar dynamo model are also presented
許多行星(如木衛三,水星,地球,木星和土星)和恆星(如太陽)具有內部磁場.對這些磁場的存在和變化的解釋對行星科學家和天體物理學家是一個巨大的挑戰.本文試圖總結行星和恆星的導電流體內部磁流體力學研究的新近發展和困難.一般由熱對流驅動的流動通過磁流體力學過程產生並維持在行星和恆星中的磁場.在行星中磁流體力學過程強烈地受到轉動,磁場和球幾何位型的綜合影響.其動力學的關鍵方面涉及科里奧利力和洛倫茲力間的相互作用.在太陽中其流線,即處于對流層的薄的剪切流層在太陽的磁流體力學過程中扮演了一個基本的角色,並由之產生了11年的太陽黑子周期.本文也給出了一個新的非線性三維太陽發電機模型Based on the mesne layer theory, the centralized stress cantilever was designed, and the infection factors was analysed in detail. in the designing of controditional circuits, comparing with several troditional methods and the merits was integrated, a novel circuits with fewer components and higher performance was designed, and by using the micro assembly techniques, the circuits was minisized
文中以材料力學的中性層理論為理論依據,設計了結構獨特的應力集中結構懸臂梁,並對各影響因素進行了詳細分析。在調理電路的設計中,通過對幾種傳統方案的比較,綜合了它們的優點,設計了一種元件少、性能佳的新型電路,並採用微組裝技術,實現調理電路微型化。" in recognition of his work in thermochemistry
對電化學和熱力學的研究The applications and developments of the rotor - ambs system in the engineering are showed in recent years. in particularly, we present the results for the studies of nonlinear dynamics in the rotor - ambs system. we also point out the trend of the rotor - ambs system in future and the necessity of the study on the nonlinear dynamics of the rotor - ambs system
本文的研究內容和所獲得的主要結果有以下幾個方面: ( 1 )綜述了磁懸浮研究的歷史,介紹了主動式電磁軸承-轉子系統在工程實際中的應用,主動式電磁軸承的研究現狀,總結了近十年來國內外對電磁軸承-轉子系統非線性動力學的研究進展和取得的成果,指出了電磁軸承發展的趨勢及進行非線性動力學研究的必要性。It is concluded by kinetic study that the electrochemical polarization is the controlled step in the charge process of mno doped with bismuth
通過動力學的研究發現,在摻bi的mno在充電過程,電化學極化為主要的控制步驟Cosmic ray test was carried out to choose and optimize working parameters of full - length prototype and its data acquisition system, verify the electronics system about dynamic range, drift time measurement search window, charge measurement integral width, work stability and electronics grounding and noise. in experiment, acquired abundant experience with the solution of actual problem and verified their reliability of physical design. this lays the foundations for the successful construction of the besiii drift chamber and electrical system
測試過程中我們調整了電子學的動態范圍、漂移時間和電荷測量參數驗證了電子學系統工作的穩定性、抗干擾能力及噪聲水平等並成功解決了實驗過程中遇到了問題。通過長時間的取數進一步檢驗了全長模型和電子學系統工作穩定性,驗證了全長模型及其數據獲取系統物理設計的可靠性,為漂移室和電子學系統的成功研製奠定了基礎。Furthermore, the supposition of galvanic couple is drawn into the procedure of corrosion fatigue crack growth of aluminum alloys, the relation of couple current vs loading time is determined with electrochemical methods. a formula in the theory is deduced which expresses the stress corrosion crack growth rate of lc4cs aluminum alloy, the results of mathematical modeling preferably correspond with examination
再將「耦合作用」的猜想,引入鋁合金的腐蝕疲勞裂紋擴展過程中,用電化學的方法測定耦合電流與加載時間的關系,並從理論上導出lc4cs鋁合金應力腐蝕裂紋擴展速率的數學表達式,數學模擬的結果與實驗值具有較好的一致性。The principle and the mechanical structure of the air - gap inductance - type transducer are analyzed in this article, and the static parameters are calibrated. dynamic calibration is applied to air - gap inductance - type transducer which is not good in dynamic capability, to obtain the dynamic parameters of the transducer and its measuring circuit. based on the result of the dynamic calibration, the transducer and its serving circuit are modeled so that the method of how to improve the dynamic performance can be found
本文對現有氣隙式電感傳感器在原理和機械結構上作了深入的分析,對其參數進行了靜態標定;並且針對常規電感傳感器動態響應低,不宜用於快速動態測量的缺點,引入測試系統動力學的思想,設計了一套動態校準系統,對現有傳感器進行多次動態校準,根據動態校準的實驗結果對現有傳感器建立數學模型,得到現有傳感器的動態特性;在此基礎上,根據磨床工件在線檢測的要求,設計一個硬體補償系統來提高整個測試系統的動態特性。More than 1, 500 small hydrogen balloons that would be used at the opening ceremony of the sports meet exploded and caught fire at around 9 a. m., injuring students nearby at the lanzhou electric power school in lanzhou, capital of gansu
原用於運動會開幕式的1500多個小型氫氣球在上午9點左右發生爆炸並且引發火災,傷到了附近的蘭州電力學校的學生。Copper - nanosized tibi composites were prepared by in - situ process. the microstructure, mechanical and electrical properties, and dry sliding wear behavior and electric sliding wear of cu - nanosized tib _ 2 in - situ composites was investigated ; mostly task as follows : the thermodynamic data for the reactions between b and ti in the molten liquid of copper were analyzed, the copper matrix composites reinforced by in - situ tibi nanoparticles were prepared by reactions of 8263, carbon and titanium in copper - titanium melt, and copper - titanium, copper - boron in alloy melt, respectively, which controlled the reaction temperature, reaction time and solidification process. the rnicrostructure and mechanical and electrical properties of the in - situ composites were investigated by using optics microscope, tem and xrd
本文採用原位反應法制備了cu -納米tib _ 2原位復合材料,在此基礎上分析了原位復合材料的微結構,進行了干滑動摩擦磨損和電接觸滑動磨損實驗,完成的主要工作如下:從熱力學的角度出發,分析了陶瓷tib _ 2顆粒在銅基體中原位生成的熱力學條件,並用電解銅、工業純鈦、 b _ 2o _ 3 、 c (還原劑)以及cu - ti 、 cu - b等合金為原料,通過控制適當的反應溫度、反應時間和快速凝固等工藝手段,制備了cu -納米tib2原位復合材料。The fifth, the gravity mass occupies some certain space ; as a result, it has its volume, while electromagnetic mass has no volume, as a result, the idea of point model of quantum electric mechanics is all right
第五,引力質量都佔有一定的空間,也就是具有體積,而電磁質量沒有體積,因此量子電動力學的點模型觀點是正確的。Here are some references for nrqcd & nrqed : renormalization group scaling in nonrelativistic qcd on the multipole expansion, the qcd heavy quark potential to order v * * 2 : one loop matching conditions on matching calculations
11下面是非相對論性量子色動力學和非相對論性量子電動力學的一些參考資料:關于多極展開的非相對論性量子色動力學中的重整化群定標,關于匹配計算的v * * 2階的量子色動力學重夸克勢:單圈匹配條件。In the areas of impact dynamics and high velocity impact dynamics, measuring impact load and pressure between two contacted interfaces is still a difficult work. polyvinylidene difluoride ( pvdf ) piezofilms are of interest to solve the above problem as potential gauge materials since they have quick response to dynamic load and available plasticity
在碰撞及高速碰撞動力學的研究中,界面與界面之間壓力、撞擊載荷隨時間的變化等的測試一直是一個難題, pvdf壓電特性的發現為解決這一難題提供了可能。The horizontal swirling flow internal dissipater tunnel being built in gongboxia power station will be the first one reconstructed from a diversion tunnel whose discharge reaches to 1000m vs and water head is more than 100m in china. its scheme ' s argumentation, test research and future apply will have important meanings to the design. research and engineering application of internal dissipation discharge tunnel with swirling flow, will powerfully promote engineering application of this new kind of dissipation mode, which may solve some high velocity problems in high dam construction and provide a engineering example for technological and economical augmentation in a diversion tunnel reconstruction. it is of theoretical and practical importance to promote hydraulic structure researches and development
公伯峽水電站右岸旋流內消能泄洪洞是國內第一個泄量達1000m s 、水頭超過100m ,即將修建的旋流式內消能泄洪洞,其方案的論證與試驗研究以及建成后投入使用,將在國內外旋流式內消能泄洪洞設計、研究與工程應用中具有重要的意義,將有力的推動這一新的消能形式在工程中的應用,從而為解決高壩建設中泄水建築物的高速水流問題與導流洞改建的技術與經濟問題提供工程實例,對推動與發展水工水力學的研究與發展均具有重要的理論與實踐意義。With the theory of electromagnetic field and the theory of hydrodynamic, a 2 - d mathematics model of internal planar ac - mhd thruster is built
從電磁場和流體力學的理論出發,建立了交流磁流體推進系統的二維數學模型。A transient, three - dimensional, non - isothermal and two - phase mathematical model based on computation fluid dynamics was developed to describe the dynamic process of pemfc
摘要為描述質子交換膜燃料電池的動態過程,發展了一個基於計算流體動力學的非穩態、非等溫的三維兩相流數學模型。分享友人