coulomb field 中文意思是什麼

coulomb field 解釋
庫侖場
  • coulomb : n. 【電學】庫侖。
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  1. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等效均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。
  2. It is this long-ranged coulomb force that gives the plasma a large repertoire of possible motions and enriches the field of study known as plasma physics.

    正是這個長程庫侖力給出了等離子體種類繁多的可能運動,並且豐富了稱作等離子體物理學的研究領域。
  3. The optical - limit glauber theory has been of great success in describing the stable nucleus scattering at high energies. as it is extended to the nucleus scattering at low and intermediate energies, the modification of the coulomb field to the effective impact parameter and the diffuseness of the nucleon - nucleon ( n - n ) scattering in the forward direction has to be taken into account

    其中光學極限近似的glauber模型能很好地描述高能小角度的穩定核散射,進一步推廣應用於研究中低能穩定核散射時,需要考慮庫侖相互作用對有效碰撞參數的修正和核子?核子兩體散射在朝前方向的彌散。
  4. It has high selectivity in adsorpting water, polar molecule or polarizable molecule on account of the existing of mighty coulomb field and polar interaction in the internal of crystal cave of zeolite, the high electric field gradient and the uneven surface caused by the exposure of exchangable cation of equilibrium framework negative charge in framework structures

    由於分子篩晶穴內部有強太原理工大學碩士學位論文摘要大的庫侖場和極性作用,再加上骨架中大量平衡骨架負電荷的可交換陽離子的暴露造成的高電場梯度及表面的不均性,使其對水、極性分子及可極化的分子具有高選擇的吸附性能。
  5. At the other hand, we can perform the rrpa calculation with the continuum replaced by a set of outgoing single particle resonances, it indicates that the resonances in the continuum play an important role in the description of nuclear dynamical processes, such as collective giant resonances. energies, widths and wave functions of the single particle resonant continuum are determined by solving scattering states of the dirac equation with proper asymptotic conditions for the continuous spectrum in the r ' elativistic mean field theory. the relativistic regular and irregular coulomb wave functions are calculated numerically

    在進行相對論無規位相近似計算時將連續譜中所有的正能態用單粒子共振態來代替,並且在計算中採用單粒子共振態的真實寬度,利用這種方法我們計算了核的同位旋標量巨八極共振響應函數,並且和考慮了連續譜中所有正能態貢獻的結果進行比較,計算結果表明,連續譜中只考慮單粒子共振態對核的集體激發的貢獻時,給出的響應函數基本上能夠重現考慮了所有正能態貢獻時的計算結果,這說明了在核的集體激發中,連續譜中主要是單粒子共振態的貢獻。
  6. The thesis deduces the generating functional of proper vertexes and brst transformation of the system of matter field coupling to non - abel gauge field, gives noether conservation charge of brst transformation, shows up the model ' s brst transformation when the gauges are lorentz, coulomb and radiation gauges, respectively, finishes the brst quantization of ghost field in ( 1 + 2 ) dimensions model with non - abel chern - simons term coupling to the scalar field, achieves the lagrange density and hamilton density under brst transformation

    導出了物質場與非abel規范場耦合系統的brst變換以及此變換下的ward恆等式和正規頂角的生成泛函,給出了其brst變換下的noether守恆荷。針對lorentz規范、庫倫規范、輻射規范三種情況分別給出了此模型的brst變換,並得到了自洽的結果。完成了( 1 + 2 )維時空中非abelchern - simon項和標量場耦合系統中鬼場的brst量子化,得到了brst變換下的noether荷和其對應的拉氏量和哈密頓量。
  7. Due to the repulsive coulomb field, the effective impact parameter increases, and therefore the calculated reaction cross section decreases

    庫侖場的排斥效應使得核?核反應有效的碰撞參數增大,使計算的反應截面減小,同時這種修正的效應隨能量增大而減小。
  8. In other words, the process of analyzing relaxation zone related to one safety factor can also be regarded as the process of searching potential slide surface related to the same safety factor. elastic wedge model is used for analysis of relaxation zone of cutting homogeneous slope. on the basis of elastic plane - strain theory, the relaxation zone can be calculated according to mohr - coulomb or drucker - prager law and single tension intensity principle which are both related to one safety factor after three - dimensional stress field of the cutting slope is got

    提出均質邊坡開挖鬆弛區可以用彈性理論中的楔形體理論分析,在平面應變問題的基礎上得到開挖坡體的三向應力場之後,可運用考慮安全儲備后的強度條件(主要為摩爾?庫侖或德魯克?布拉格強度準則和單軸抗拉強度準則)解析坡體分步開挖過程中的鬆弛區范圍,給出了具體的計算步驟,並通過算例較詳細地說明了操作過程。
  9. The effects of the operation temperatures, gate voltages, drain - source voltages and magnetic field upon the characteristic of device are analyzed in detail. coulomb blockade and single electron tunneling are observed in the devices. 3

    詳細地分析了工作溫度、柵極電壓、漏源電壓和磁場對其特性的影響,觀測到明顯的庫侖阻塞效應和單電子隧穿效應,器件的工作溫度可達到77k以上。
  10. Recent progress in ultrafast optics has allowed the generation of ulfcraintense light pulses comprising merely a few field oscillation cycles. the arising intensity gradient allows electrons to survive in their bound atomic state up to external field strengths many times higher than the binding coulomb field and gives rise to ion - ization rates comparable to the light frequency resulting in a significant extension of the frontiers of nonlinear optics and ( nonrelativistic ) high field physics

    隨著超快光學技術的發展,僅含幾個振蕩周期的超強脈沖已經能產生,且其強度梯度可使電子存在比庫侖束縛場高許多倍的外場產生的原子束縛態上,並產生了同光頻相差不大的電離率,從而促進了非線性光學前沿及非相對論的強場物理的延伸。
  11. 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
  12. Presently, the laser pulse from the high power ultrashort laser system is several femtoseconds in duration, tw ( or pw ) level in peak power, 1020 w / cm2 ( or 1021 w / cm2 ) in focusing power density, according electric field is much stronger than coulomb field in atoms

    目前,高功率超短脈沖激光放大系統輸出的激光,脈寬達到幾個飛秒,峰值功率達到太瓦甚至拍瓦量級,聚焦功率密度達10 ~ 20w cm ~ 2 ,甚至1021w cm2 ,相應的電場比原子內庫侖場強得多。
  13. The field ionization and coulomb explosion of small molecules in intense femtosecond laser pulses was studied by using the time of flight mass spectrometer

    摘要利用飛行時間循譜儀和飛秒淚光放大系統,對分子在飛秒強鐳射脈沖作用下的場致電離和庫侖爆炸過程迸行了研究。
  14. The fusion mechanism of large deuterium clusters ( 100 ~ 1000 atoms / per cluster ) in super - intense ultra - short laser pulse field, coulomb explosions of micro - cluster in solids, gases and large - size clusters have been studied using the interaction of a high - intensity femtosecond laser pulses with large deuterium clusters, collision of high - quality beam of micro - cluster from 2. 5mv van de graaff accelerator with solids, gases and large clusters

    摘要用2 . 5mv靜電加器提供的高品質微團簇束與固體、氣體和大尺度團簇( 100 - > 1000原子團簇)碰撞,超強飛秒激光與大尺度氘團簇相互作用,研究微團簇在大尺度團簇中的庫侖爆炸特性,研究超短超強激光場中大尺度氘團簇的聚變機理。
  15. Some numerical results about the relations between the ground state energy and the coulomb binding parameter, the parabolicity parameter, and electric field strength are obtained

    通過數值計算方法,我們得到了基態能量和coulomb束縛參數,拋物線參數以及電場強度參數的關系。
  16. The study shows that coulomb scattering becomes more important at low transverse - electric field and both the density and the distribution of charged - centers play an important role in el ectron transport in sic inversion layers. the radiation response and electric characteristics of 6h - sic mos structure is studied with experiment for the first time

    在實驗上首次對6h sicmos結構的電特性及其輻照引起的電參數退化進行了研究,結果說明:在氧化層電場較高時是fowler nordheim隧穿電流決定著sicmos結構的漏電流。
  17. The paper proves that in the 2d non - linear case, the coulomb gauge is been meet naturally. in the paper, the second - order isoparametric fem is adopted in the non - linear transient magnetic field simulating excited by current source and the results of transient field and static field solved by the second - order isoparametric and linear fem are compared and analyzed, besides, the effect of the eddy currents in the magnetic materials of the different conductivity is analyzed, it is obtained that the magnetic material of high magnetic conductivity and low loss should be chosen in designing of pma

    文中採用二次等參元有限元法推導出在電流源激磁下的非線性瞬態磁場的計算方法和編制了相應的計算程序,並採用二次等參元有限元法和雙線性有限元法分別對瞬態場和靜態場進行了計算,並對計算結果進行了誤差分析,此外,還對不同電導率的導磁材料中渦流產生的影響進行了分析,得到結論設計永磁操動機構時,應選擇導磁性能好,損耗低的導磁材料。
  18. The results of numerical calculation show that the ground - state energy changes with the coulomb bound potential, magnetic field and the well - width, which will increase with increasing magnetic field and decrease with increasing the coulomb bound potential and the well - width

    通過數值計算結果表明:量子阱中束縛極化子的基態能量因振動頻率、庫侖束縛勢、磁場和阱寬的不同而不同,它隨振動頻率和磁場的增加而增大,隨庫侖束縛勢和阱寬的增大而減小。
  19. The field ionization and coulomb explosion of molecules in intense femtosecond laser fields gong qihuang, ren haizhen, chen jianxin et al

    飛秒強激光場下分子的場致電離和庫侖爆炸龔旗煌,任海振,陳建新等
  20. The field ionization and coulomb explosion of molecules in intense femtosecond laser fields ( gong qihuang, ren haizhen, chen jianxin et al )

    飛秒強激光場下分子的場致電離和庫侖爆炸[龔旗煌,任海振,陳建新等]
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