激磁場 的英文怎麼說
中文拼音 [jīcíchǎng]
激磁場
英文
exciting field-
Effect of a magnetic field and an impurity on the low - lying energy spectra of an exciton
磁場和雜質對激子低能譜的效應As the single rectangular coil is the routine induction probe, the system is simulated based on the theory of a - v - a. the perfect induction field is studied. the corresponding relations between the slots and the field are also analyzed, as well as the measurement scale is given here
)描述下交變磁場測量技術單矩形線圈激勵形式下的數值模擬模型,從場量檢測的角度出發,分析了無缺陷情況下該系統的電磁場分佈特性,以及有缺陷情況下缺陷與場分佈的對應關系以及缺陷檢測的數值范圍。Next, in order to comprehand the electromagnetic characteristics and the dynamic characteristics of the new type of magnetic micromotors, the dissertation applied the concept of the magnetic scarlar potential of the irrotational magnetic fields and set up the mathmatic model for the inner magnetic field of the new type of motors from the basic equations and the boundary conditions of the motor magnetic field. oh the basis of the mathmatic model, the dissertation analized the various qualities of the magnetic field of the air gap between the rotor and the stator and gave a detailed calculation of the air gap ' s magnetic potential, magnetic field intensity, magnetic induction, the shape of the magnetic scarlar potential level surface, the distribution of the magnetic circuit, the magnetic induction the self - inductance and the mutual inductance of the coils
其次,為全面了解這種新型電磁電機的電磁特性和動力特性,本文從電機磁場的基本方程及其邊界條件出發,應用無旋磁場的標量磁位概念,建立了端面搖擺式電磁微電機內部磁場的數學模型,並以此為基礎,詳細分析了電機氣隙磁場的各方面性質,對氣隙磁場的磁標位、磁場強度、磁感應強度、等磁位面形狀、電機工作磁路的分佈、電機的工作磁通量以及激勵繞組的自感和相互之間的互感進行了詳細的分析計算。Dry reed relays are also operated by energizing a coil, but in this type of relay, the coil is wound around the switch so that the induced magnetic field closes the switch
干簧繼電器也是靠激勵一個線圈進行工作的,但是在這種類型的繼電器中,線圈環繞著開關,從而感應的磁場使開關閉合。During ion source operating, alternating axial magnetic field and azimuthal electric field in discharge tube ionize hydrogen gas purified by hot palladium pipe, and form plasma, hi fifties year, research reports studied on rf ion source are numerous however most of them are concerned about application, and research reports relevant to discharge theory or experiment model are unfrequent
離子源工作時,放電空間交變的軸向磁場和渦漩電場激發放電管中經鈀管純化后通入的氫氣電離,形成等離子體。 50多年來,關于高頻離子源的研究報告很多,但是,這些研究主要都集中在應用研究方面,有關高頻無極環形放電離子源的理論與實驗模型研究不是很多。Collective excitation of quasi - one dimensional electron systems on liquid helium surface at a magnetic field
磁場作用下液氦表面準一維電子氣體的激發A preliminary analysis shows that the east - west asymmetry in the heliospheric equatorial plane is mainly attributed to the spiral structure of the interplanetary magnetic field
初步分析表明,行星際磁場的螺旋結構是產生日球赤道面內雙重激波對結構東西不對稱性的主要原因。The outlines of thesis are as follows : for the configuration of gis and the characteristic of partial discharge, the thesis analyses the electromagnetic waves excitated by the pd signal and the reason of a coupler built in gis inducing pd signal in terms of the electromagnetic theory and antenna theory
主要工作有:針對gis結構及內部局部放電特點,分析了發生局部放電后信號所激發的電磁波傳輸特性,並從電磁場理論及天線理論角度分析內置傳感器的局部放電耦合原理。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。These jade pillow from hundreds xiaoyu mosaic which is not only comfortable and cool, and good permeability, and the human body when it contacts will produce static electromagnetic field, so the head and neck multiple 10 points and sleep in the massage easily be stimulated
這類玉枕由數百片小玉鑲嵌而成,不僅舒適涼爽,而且透氣性好,當它與人體接觸時,會產生靜電磁場,使頭部與頸部的10多處穴位,在睡眠中得到輕松的按摩刺激。It indicated that not only can spirulina cells grow photoautotrophically and photomixtrotrophically, but also can grow heterotrophically under some specific conditions. light intensity, light quality, temperature, species and concentration of metals, rare earth elements and vitamins, salinity, cell concentration, dissolved oxygen level and magnetic filed etc., all play important roles in photosynthetic performance and cell productivity of spirutina
認為螺旋藻細胞不但能進行光合自養和混合營養生長,而且在某些特定的環境條件下,還能進行異養生長;光照強度、光質、溫度、金屬元素、稀土元素、鹽度、藻體細胞濃度、溶氧水平、維生素、激素和磁場等環境因素對螺旋藻細胞的光合性能和細胞產率都有顯著影響。One way to do this is to confine the anti - atoms in an inhomogenous magnetic field ( one cannot use electric fields since the anti - atom is neutral ) and interrogate them with lasers
一個做這的方法就是在一個不均勻的磁場(由於反原子是中性的不能夠使用電場)中限制反原子並且用激光識別它們。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。A precision force banacing accelerometer for ineration navigation application is developed. the resolution, low - sensitivity threshold and high thermal stability are considered as design parameters. in order to guarantee a low - sensitivity threshold while maintaining robustness against shock, push - pull type long flexures are used in this paper. to improve thermal stability, this paper discusses the use of electromagnets as a magnetic fied source. the silicon pendulum assembly and modified inducance type pick - up is also developed to reduce assembling procedure. the measure range of accelerometer is 0 - 70g
加速度計的解析度、靈敏度閾值和高的熱穩定性是設計時主要考慮的參數。本論文中使用推?挽式長撓性結構來保證低靈敏度閾值,同時保證抗振魯棒性。為了提高熱穩定性,本文中討論了利用永久磁鐵作為磁場源;微加工技術被引入擺組件的結構設計和利用力矩線圈作為激勵線圈來簡化電感式的檢測裝置。Induced current electrical impedance tomography ( iceit ) is a new branch of electrical impedance tomography ( hit ). it applies several excitation coils on the boundary of the object. when one of the coils is stimulated by constant alternating current, the magnetic field is established
感應電流電阻抗斷層成像( inducedcurrentelectricalimpedancetomography , iceit )是電阻抗斷層成像技術的一個分支,它在被測目標的外圍放置若干個激勵線圈,對其施加時變電流,在空間產生交變磁場,從而在被測目標內激勵出感應電流。A strong magnetic field in a resonant cavity is an ideal circumstance for initiating the spins and orbital motions of electrons and nuclei in solids.
諧振腔中的強磁場是激發起固體中電子和原子核的自旋和軌道運動的理想環境。However, the msw - based mo devices haven ’ t still been applied extensively up to now because of low bragg diffraction efficiency. the generation and propagation characteristics of magnetostatic forward volume waves ( msfvws ) under nonuniform bias magnetic field and the bragg diffraction efficiency of gows with the msfvws are theoretically studied in this paper
本論文主要從理論上研究不均勻場中靜磁正向體波( msfvw )的激發與傳播特性,以及不均勻偏置磁場在提高靜磁波對導波光的bragg衍射效率方面所起的作用。The influence of msfvw bandwidth on the diffraction efficiency is also considered. for the nonuniform bias magnetic field of u - type parabola profile, when the msw frequency is less than the cut - off frequency at the edge of mo film, the effective mo interaction length reduces. the edge cut - off frequency is determined by the maximum of the nonuniform field
對于拋物型分佈(開口向上)的偏置磁場,當激發靜磁波的rf頻率小於邊緣截止頻率時,磁光作用的有效長度減小(與靜磁波頻率有關) ;邊緣截止頻率由不均勻磁場的最大值決定,靜磁波的下限截止頻率由不均勻場的最小值確定。The background interplanetary magnetic field is spiral with a vanishing south - north component, the initial ionosphere is dominated by the region field - aligned current ( fac ) and the corresponding dawn - dusk electric field, and the interplanetary shock collides with the earth along the sun - earth line
背景行星際磁場為螺旋場,南北分量為零;初始電離層由區場向電流和相應的晨昏電場所主導;行星際激波沿日地連線方向撞擊地球。Then, the complementary fem based on the introduction of t - q is verified by the case study. finally, combining the complementary fem and direct method, analyse the electromagnetic field and parameter of controllable reactor. the obtained results show that the complementary fem can be applied with satisfactory accuracy in the computation of parameters of electromagnetic devices
第四,基於t ?變量的互補有限元法,在混合激勵源情況下,分析計算了可控電抗器的磁場和電感參數,並通過與實測電感量的相互印證,進一步證實了互補有限元法在電磁參數計算中的應用價值。分享友人