field of potential energy 中文意思是什麼
field of potential energy
解釋
勢能場-
When the field is slowly - varying, the scalar field potential acts like a cosmological constant. in addition to the quintessence models, many other theories for dark energy have been proposed, including models based on super - symmetric gauge theories, super - gravity, small extra dimensions, large extra dimensions, quantum field theory effects in curved space - time. all these models are essentially based on the existence of a mass less scalar field acting at a cosmic scale
除了真空場模型外，科學家亦提出其他解釋黑暗能量的理論，這些模型建基於不同的物理理論或假設，例如超對稱規范理論超重力增加一些小或大的空間維數量子力學在彎曲時空的影響等等，這些理論模型，返本溯源，其實背後都假設存在著一個特性類似於宇宙常數的無質量純量場。 -
The influence of outer potential field on single atom and atomic interaction energy on precipitation mechanism of " ( al3li ) phase in al - li alloys were investigated by computer simulation
本文以al - li合金為對象，通過計算機模擬研究了外勢場對單原子能量的影響和原子間相互作用勢對（ al _ 3li ）相沉澱機制的影響。 -
The theoretical model calculation shows that, under the condition without any priori information, the energy weight value resolved from the continuation field or the maximum characteristic value of the matrix related to the continuation field can be used to judge the position of the potential field source, thus determining the burial depth of the geological body
理論模型計算表明：在沒有任何先驗信息的條件下，可以用延拓場分解的能量權值異常或延拓場相關矩陣的最大特徵值，判斷位場場源所在位置，從而能確定地質體的埋深。 -
Quantitative relations between electric potential energy and electric field energy of continuous charged body and point charge system
連續帶電體和點電荷系的電勢能與電場能的定量關系 -
It is the main purpose of this paper to calculate the energy splitting of ground state and excited states induced by thermally assisted quantum tunneling. first, a brief introduction is given for the theoretical and experimental studies on the magnetic macroscopic quantum effects. then, spin tunneling in a uniaxial ferromagnetic particle in transverse magnetic field is converted to a pseudoparticle moving in effective double - well potential with the help of the effective potential description of quantum spin systems developed by ulyanov and zaslavskii. finally using the periodic instanton method we evaluate the transition amplitude, energy shift and prefactor of wkb exponential and the energy splitting of ground state and the tunneling rate for excited states induced by thermally assisted quantum tunneling are obtained
文章首先對磁性宏觀量子效應的理論和實驗方面作了簡單介紹，然後藉助于ulyanov和zaslavskii發展的一種等效勢描述方法，把外磁場沿難磁化軸方向時的自旋隧穿約化成在等效雙勢阱中運動的粒子，利用瞬子方法給出基態能級劈裂，最後利用周期瞬子方法分別計算了隧穿幅、能級移動以及wkb前因子，從而給出由於熱助量子隧穿引起的激發態的隧穿率。 -
Based on the theories of hybrid / mixed finite element method, the generalized energy functional including stress, mechanical displacement, electric displacement, electric field and electric potential is used, with the electric - potential relations and the constitutive equations of piezoelectric materials constrained, hybrid energy functional including mechanical displacement, electric potential and stress is gained. moreover, splitting in - plane components and transverse components, the mixed energy functional in which mechanical displacement, transverse stresses and electric potential as basic variables is derived. with the use of surface stress parameters of sub - elements, the continuity of transverse stress at interfaces between layers is obtained
在回顧雜交混合有限元理論的基礎上，從包括位移、應力、應變、電勢、電位移、電場強度六個未知量的廣義壓電材料能量泛函出發，通過約束電場強度?電勢關系、應力與應變及電場強度的關系，得到僅包括位移、電勢、應力三個未知量的雜交變分泛函，利用一般層合板的雜交混合變分原理，分離面內分量和橫向分量，導出以位移、橫向應力、電勢為未知量的壓電層合板的修正變分泛函，作為壓電層合板的雜交元列式的理論基礎。 -
The research of the new and high conductivity material of lithium ionic conductor is always an interesting issue in the material field due to its low potential, light weight and providing high cell voltage and energy density
由於鋰具有較負的電極電勢和較輕的重量，可以為電化學器件提供高的電池電壓和能量密度，所以鋰離子導體高電導率新材料的研究一直是材料研究領域倍受關注的課題之一。 -
The effect of an applied electric field on the binding energy of shallow donor impurities in rectangular cross section gaas qwws was presented by montes et al, by considering an infinite confinement potential and using a variational scheme
外加電場對矩形量子阱線中淺施主雜質束縛能的效應是由montes等人提出的，他們採用變分法討論了無限深勢阱的量子線結構。 -
By sufficiently making use of the knowledge of the semiconductor, we have analyzed the transference and scatterance of the carriers as well as their emergence and being captured by disfigurement in crystal lattice from angles of crystal micro mechanism, the structure of the energy band and the crystal potential field
本文充分利用半導體的能帶理論，從薄膜晶體結構、能帶結構和晶體勢場的角度，分析載流子的遷移、散射以及載流子的產生和晶體結構缺陷對載流子的捕獲。 -
Abstract : we conduct a theoretical study on the properties of a bound polaron in a quantum well under an electric field using linear combination operator and unitary transformation methods, which are valid in the whole range of electron - lo phonon coupling. the changing relations between the ground - state energy of the bound polaron in the quantum well and the coulomb bound potential, the electric field strength, and the well width are derived. the numerical results show that the ground - state energy increases with the increase of the electric field strength and the coulomb bound potential and decreases as the well width increases
文摘:採用線性組合算符及幺正變換方法研究了電場對量子阱弱耦合束縛極化子的性質的影響.推導出量子阱中束縛極化子的基態能量和庫侖束縛勢、電場和阱寬的變化關系.數值計算結果表明，基態能量因電場和庫侖束縛勢的不同而不同，隨電場和庫侖束縛勢的增大而增大，隨阱寬的增大而迅速減小 -
Based on thomas - fermi theory, the effect of external electric field on atomic inner boundary potential was studied. the new atomic potential boundary condition with the influence of external electric field was established and the atomic energy and pressure were calculated with new boundary condition. the local effect of solute element under an electric field was analyzed with the electron shield model
在理論上，基於thomas - fermi理論，重點研究了電場作用對原子體系的內勢場邊界的影響，建立了外場作用下的原子勢場外邊界條件，並計算原子能量和壓強；基於電子屏蔽模型，分析了電場作用下溶質行為的局域效應。 -
Abstract : one of the unsolved problems of the high power application of high temperature superconductors is how to lower the energy dissipation induced by flux motion. due to the extremely high anisotropy, small coherence length and weak pinning potential, the mixed state phase diagram which is tightly related to the flux dynamics becomes very complicated. a brief account is given of the field induced crossover of criticalities of energy dissipation, which has been observed in our recent sensitive electromagnetic measurement
文摘:高溫超導體在強電方面應用的關鍵問題是如何克服磁通運動所造成的能量損耗.由於存在極強的各向異性、短的相干長度和小的磁通釘扎勢，因此與磁通運動緊密相關的混合態相圖變得很復雜.文章綜述了根據一系列靈敏的電磁測量所觀察到的磁場誘導的能量耗散行為的轉變 -
The flow through the throat - type energy dissipator and the right - angle energy dissipator are calculated by using the two - equation turbulence model, which is expansively used to simulate the flow field successfully. the principal content and the achievement are concluded as follow : as a kind of internal energy dissipator in which the turbulent flow is contracted and expanded abruptly, throat - type energy dissipator was regarded as one of the potential energy dissipator for its many advantages, such as stable flow pattern, simple structure, easily controllable flow parameter, and anti - cavitation property
結合實體試驗，利用k -模型對當今尚處于起步階段的新型消能方式?洞塞消能工和直彎消能工進行了數值模擬研究，主要內容和研究成果如下： 1洞塞消能作為一種突縮突擴式的內流消能工，具有流態穩定、結構簡單、水流參數易於控制及防空化性能等優點，是一種很有發展潛力的消能方式。 -
Geopotential, or gravitational potential relative to mean sea level, is the energy an air parcel may potentially acquire by virtue of its position in the gravitational field of the earth
位勢高度位勢，又稱重力位勢，是空氣在地球重力場中蘊藏的能量。在大氣中，位勢會隨高度和緯度而變化。 -
Optical fiber process tomography ( ofpt ) is a new technology in the field of optical fiber sensor ( ofs ). the probe of ofpt is small, safe, free of electromagnetic interference and has high sensitivity in low - density medium case same as ofs, more important and different is that it can detect the medium distribution and contents of the cross - section to be investigated simultaneously, which makes ofpt show potential and extensive applications in petroleum, chemical, energy, medicine, food and sanitation fields to control product quality, realize safe production and reduce the cost
光纖過程層析成像是光纖傳感領域的一門新型技術，具有光纖傳感器的測量低濃度物質解析度高、體積小、抗電磁干擾以及可以進行分散式測量的共同優點和可以同時測量物質截面內部結構的獨特優點，在多相流動廣泛存在的石油、化工、能源等工業部門和醫療、衛生、食品等領域具有廣泛的應用前景，對監控產品質量、降低成本以及保證生產安全具有非常重要的意義。 -
Usually, we don't refer explicitly to the field but simply ascribe a certain amount of potential energy to the body itself.
通常，我們不明確地提到場，而僅說物體本身具有一定大小的勢能。 -
In large rotating machinery using filmatic bearing ( turbogenerator, air compressor, etc. ) there is a potential trouble from impefect installation or running conditions, a metals " contact between rotors and shells. the trouble is usully called rubbing. the advantage of ae technologe in the rubbing diagnosis and early detection is showed. instead of classical ae characteristic parameters ( counts, amplitude, energy, duration and the other ones ) a new feature extraction by frequency analysis of ae envelop signals is discussed. both research of ae process and field experements indicate that periodic components in the envelop spectrum related to rotational speed increase evidently at the beginning of rubbing production, hence are highly sensitive to the rubbing fault diagnosis. according to the new design an acoustic emission equipment for the rubbing diagnosis named buaa ae testing system is developed and described
汽輪發電機、空氣壓縮機等採用油膜支撐的大型轉動機械，由於安裝或運行中的原因，在轉子旋轉過程中，可能和器壁發生輕微的摩擦和碰擊，簡稱碰摩.聲發射技術在碰摩發生特別是故障早期診斷上有優越性.本系統的特點是沒有沿用傳統的計數、幅度、能量和持續時間等聲發射特性參數，而是在聲發射包絡信號的頻率分析中進行特徵提取.聲發射發生的過程分析和現場試驗都表明這種方法對碰摩檢測很敏感，在碰摩發生的起始階段，包絡譜中與轉速同步的周期性分量顯著增加.根據這種新的設計思想自行研製了buaa碰摩聲發射檢測儀並對此作了介紹 -
We consider a neutral particle with magnetic moment antiparallel to the field. with the interaction potential energy between the magnetic moment of the particle and the magnetic field, we obtain the classical motion equation of the neutral particles in the loffe trap. in some limit conditions, by using the perturbative method, the equations may take on concise forms. of which the two equations about x and y are mathieu equations. if we properly set the parameters and have the condition a > > q > 0, we can solve the mathieu equation with the traditional wkbj method. as a new attemptation, with fourier series expansion we solve the mathieu equation and obtain the classical motion law of the neutral particles
若阱的參數設置使得條件> > q 0成立時，我們可以利用傳統的wkbj方法近似求解馬丟方程。作為一種新的嘗試，本文還採用傅立葉級數展開的辦法來對馬丟方程進行求解，從而得到中性粒子在阱中的經典運動規律。在研究ioffe阱對中性粒子的囚禁問題時，實際上我們更感興趣的是馬丟方程的周期解，而要想獲得這種周期解，和q必須滿足一定的關系，亦即必須選擇阱的特定的參數和粒子的特定初始條件，對這一問題我們進行了嘗試性的研究。 -
Finally in this part, a system of concepts raised from the theory of " potential energy " is proposed by new concepts such as tool of " potential energy ", threshold of " potential energy ", field of " potential energy ", current of " potential energy " and array of " potential energy "
本文的重點是將「勢能」這一概念拿到藝術領域中，力圖從「勢能」的角度去審視藝術的創作問題，在此主要提出了勢能分析理論的概念系統，即勢能分析理論的新概念：勢能具、勢能閾、勢能場、勢能流、勢能陣。 -
Based on thomas - fermi equation and analysis in the influence of electric field on inner potential field, boundary condition of inner potential field of thomas - fermi equation influenced by electric field was established for the first time. and it was concluded that with elevation of intensity of electric field, the influence of positive electric field on energy of atom is increased ; the influence of negative electric field on energy of atom is decreased firstly, then increased
基於thomas ? fermi方程，通過分析電場對原子內勢場的影響，首次建立電場作用下的tf方程的內勢場邊界條件，確定了原子的能量在正電場作用下隨著勢場強度升高而增加，在負電場作用下呈先降低后升高的趨勢。
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