uniform magnetic field 中文意思是什麼

uniform magnetic field 解釋
均勻磁場
  • uniform : adj 1 (形狀、性質等)一樣的,同一的;一致的;相同的。2 一貫不變的;始終如一的。3 規格一致的,均...
  • magnetic : adj. 1. 磁(性)的;(可)磁化的。2. 吸引人心的;有魅力的。3. 催眠術的。
  • 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. The removal of the degeneracy of the low energy levels of a hydrogen atom in a uniform magnetic field

    磁場中原子能級分裂的兩種分析方法及其比較
  2. Application of magnetic moment formula in the non - uniform magnetic field

    磁力矩公式在非均勻磁場中的應用
  3. The experiments on the effects of the uniform magnetic field in mice autonomic action and nembutal subthreshold - hypnosis was carried out. the results showed that the field had definite effects of sedation and hypnosis

    用均勻交變磁場對小白鼠的自主活動及戊巴比妥鈉閾下催眠影響進行了實驗研究.結果表明,所用磁場具有一定的鎮靜、催眠作用
  4. This paper presents our research in actuating in - vivo micro - robot based on the capsule endoscope platform by the external power. while seeking secure driving method we take several factors into account, such as driving environment, power transmitting and consuming, motion requirement and controllability, and locating technique. we mainly deal with driving the capsule with spatial gradient magnetic field, so we employ combined electro - magnetic coils, including gradient coils and homogenous coils, which have rotational dof around a translatable patient bed, to compose a controllable uniform gradient which act on the permanent - magnet embedded robot, thereby get an appropriate spatial force and torque to fulfill the anticipant locomotion such as move, stop, pitch and yaw

    基於驅動環境、能量供給和消耗、驅動動作要求及驅動安全性與可控性,定位方案等多方面考慮,尋求安全可靠的腸胃檢查微機器人的外部驅動控制方法,並著重研究直接利用外磁場磁力驅動微機器人:在微機器人內部嵌入永磁性體,利用體外的組合電磁線圈產生加載電流控制的驅動磁場,其中外部的電磁線圈由多組梯度線圈和勻場線圈組合構成,通過繞病床的旋轉以及病床的平移共同控制微機器人所在位置的磁場強度及梯度,作用於微機器人內嵌磁體以獲得空間意義上的必要驅動力和調整轉矩,從而有效地完成驅動動作要求。
  5. The scaling relations of conduction time and opening time with the plasma density, which are computed by a series of simulation results, show that, influence of plasma density on conduction time is greater than opening time. influence of cathode em itted electrons on conduction process, which is found to be more important when initial plasma density is low, is dependent of the initial plasma density. the penetration of a magnetic field into cylindrical middle - density ( 1013 / cm3 ) c + + and h + plasma with uniform and parabolic density profile, are examined with aid of pic simulation

    模擬得到的低密度( 10 ~ ( 11 ) cm ~ 3 10 ~ ( 13 ) cm ~ 3 )條件下導通和斷路時間與等離子體密度的定標關系曲線顯示:密度對于導通時間的影響遠大於對于斷路時間的影響;陰極電子對于peos導通過程的影響程度與初始等離子體密度有關,初始密度越大,陰極電子的影響就越小。
  6. In 1990s, a calculation of the ground - state energy of an exciton confined in a cylindrical quantum wire in the presence of a uniform magnetic field is reported as a function of wire radius, using a variational approach by gang li, spiros v. branis and k. k. bajaj. a. balandin and s. bandyopadhya present variational calculations of the ground - state exciton binding energy and exciton radius in a quantum wire subjected to an external magnetic field. these studies have been primarily responsible for our current understanding of the nature of excitonic states in a quantum wire subjected to an external magnetic field

    九十年代中期,人們就開始了關于在外加磁場時量子線中激子特性的研究, gangli , spirosv . branis和k . k . bajaj利用變分法,對于圓柱形的量子線中激子的基態束縛能進行了計算,發現對於一個給定的磁場值,激子的基態束縛能比不加磁場時變大。
  7. Base on certain main magnets of nmr this thesis designs the most excellent structure of the pole shape and obtains a relatively uniform magnetic field in a large imaging volume. the calculating model of pole shape made of pure iron can be simplified with the infinite permeability and calculated with the scalar potential. the rule between pole shape and the homogeneity or the size of uniform region of magnetic field is discovered and factors of influencing the homogeneity of the magnetic field are held so that the main magnet with the optimized size of pole shape can produce a relatively uniform magnetic field in a large imaging volume

    本文針對一類典型結構的主磁體,通過磁場分析與大量的計算,找到了極靴形狀的改變影響樣品區磁場均勻度以及均勻區域范圍的規律,掌握了極靴形狀的變化趨勢及其形狀影響樣品區磁場均勻度的各種因素,進行了極靴的形狀優化設計並編制了相應的計算機軟體,給出了極靴形狀的具體尺寸,使得主磁體能在更大空間內產生相對均勻的磁場。
  8. Further more, the removal of the degeneracy of the hydrogen atom is discussed, mainly studying the hydrogen atom in two orthogonal non - uniform electric fields and in high uniform magnetic field

    本文還對氫原子能級簡並解除進行了探討,主要是研究了處在正交線性非均勻電場中的氫原子以及處在均勻高強度磁場( b 10 ~ 6t )中的氫原子。
  9. Uniform and compact plzt and sno _ 2 ceramic targets, which diameter were 212mm and 221mm, respectively, had been successfully fabricated. ( 2 ) a rotating magnetic field rf magnetron sputtering system had been designed and set up, which showed high utilization efficiency of target, high films uniformity, and high deposition rate, etc. ( 3 ) the plzt and sno _ 2 thin films were investigated by afm, xrd, sem, and spectral photometer. the optimized processing parameters of preparing these films had been found

    並以此為基礎分別制備了緻密、均勻、平整、直徑為212mm的plzt和221mm的sno _ 2陶瓷濺射靶材; ( 2 )為克服現有磁控濺射設備的不足,提出了一種新的磁控濺射方案,採用該方案的設備具有:靶材利用率高、鍍膜均勻、成膜速度快等特點; ( 3 )運用afm 、 xrd 、 sem以及雙光路分光光度計等分析手段對plzt和sno _ 2薄膜的微結構和性能進行研究,找到了制備plzt電光薄膜和sno2透明電極材料的最佳工藝條件。
  10. 2. to design an axial magnetic field. the cathode lies in 0. 4 - 0. 7 of peak value of the magnetic field and excursion channel in a uniform magnetic field to suppress space charge effects ; to design transition section between the gun and excursion channel in converse computation. 3

    選擇電子槍陰極處于軸向聚焦磁場峰值的0 . 4 - 0 . 7倍處;漂移通道(互作用區)位於均勻軸向聚焦磁場中,以抑制電子束的空間電荷效應;使用反演算法設計電子槍和漂移通道之間的過渡區。
  11. Abstract : two - dimensional hydrogen atom in uniform magnetic field is studied. it is shown that, with the increase of the magnetic field, the energy levels should split, cross and focus

    文摘:研究了二維氫原子在均勻磁場中的能級結構問題,結果表明,隨著磁場增強,能級出現分裂、交叉和聚束的現象
  12. Study on motion of the constrained current - carrying wire in no uniform magnetic field

    受約束載流導線在非均勻磁場中的運動研究
  13. Popular formula of perturbation matrix elements of the hydrogen atom in the uniform magnetic field and the removal of degeneracy for higher energy levels

    在均勻強磁場中氫原子塞曼效應久期方程的簡化公式
  14. Supersymmetry and eigen energy spectrum of a charged dirac particle in a uniform constant magnetic field

    均勻恆定磁場中帶電狄拉克粒子的超對稱性和本徵能譜
  15. The fine structure of a hydrogen atom energy levels in a uniform high magnetic field

    在均勻強磁場中氫原子能級的精細結構
  16. The particle - enriched zone moves outwards as the rotational rate increases. by employing steady dc magnetic field to the conventional centrifugal casting method, the distribution of particles is changed. the most uniform distribution is obtained when the magnetic density is 0. 15t

    通過向常規的離心鑄造中引入穩恆直流電磁場,基體中的顆粒分佈得到改善,磁感應強度為0 . 15t時,顆粒的分佈最為均勻,磁感應強度過大時,磁場將會引起基體組織粗化。
  17. Abstract : the anti - plane problem in transversely isotropic magnetoelectroelastic materials containing an elliptic inclusion is considered by using the complex variable approaches. the analytical expressions for the field variables in both the matrix and the inclusion are obtained when the stresses and the electromagnetic fields at infinity are uniform. the results show that the stress, the electric displacement and the magnetic induction inside the inclusion are constants

    文摘:用復變量方法研究了橫觀各向同性電磁彈性固體的反平面夾雜問題,得到了遠場均勻應力和電磁場作用下夾雜內外彈性場和電磁場的解析表達式,結果表明夾雜內的應力、電位移和磁感應強度為常量。
  18. Simulation of operating performance of oven magnetrons in radial non - uniform magnetic field

    徑向非均勻磁場下的磁控管工作性能模擬
  19. The charge distribution and electromagnetic field of an axially symmetric conductor rotating in a uniform steady magnetic field

    軸對稱導體在均勻磁場中轉動時的電荷分佈及其電磁場的求解方法
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