磁場線 的英文怎麼說
中文拼音 [cíchǎngxiàn]
磁場線
英文
magnetic field line-
Positrons and antiprotons can individually be stored in a device called a penning trap, which uses a combination of magnetic and electric fields to hold charged particles in a vacuum
正電子和反質子能單獨地被儲存在一個稱作環形線圈裝置中,藉助磁場和電場的一個聯合作用儲存真空收集來的粒子。Birds and compasses know north from south because, like a giant bar magnet, the earth ' s magnetic field has two poles that line up closely with the planet ' s axis of rotation
候鳥與指北針都知道何為北方、何為南方,因為地球就像一條巨型磁鐵棒,它的磁場有兩極,且這兩個地磁的磁場線和地球的自轉軸非常接近。A strong magnetic field can constrain electrons to move only along the field lines.
強磁場可約束電子使之只能沿著場力線運動。Prolate cycloid as another track of charged particle movement in magnetic field
長輻旋輪線是帶電粒子在磁場運動的又一軌跡As a result, the electromagnetic field intensity is changed accordingly and fluctuating current in the damper coil is created. damping force is mostly produced because of the phase difference between fluctuating current and displacement of rotor. the formulas of fluctuating current and damping coefficient are deduced theoretically, and the calculated results are consistent with the experimental results
通過分析發現電磁阻尼器線圈內由於轉子渦動時變化的磁場而產生的波動電流與轉子位移間的相位差是產生阻尼的主要原因,推導了波動電流、阻尼系數的計算公式,並通過實驗展示了被動式電磁阻尼器的阻尼效應。For obtaining the numeral solutions of round elastic plates in axisymmetrical deformation with varying - thickness in nonlinear deformation in the unsteady electromagnetic field and mechanical field, by establishing the equations of motion, the equations of distortion, the equations of lorentz force, the equations of electronic dynamic mechenical, and adopting iterative method, we gained the nonlinear magneto - elastic calculation method and outcome of current - carrying shell, and gained the influencing degree toward mechanical parameter of varying thickness round ferreous plates in the electromagnetic field and mechanical field
摘要為了獲得內邊界固定的環形導電薄板在均布力與橫向磁場作用下的變形問題的數值解,通過建立運動方程、變形方程、電動力學方程和洛侖茲力方程,運用迭代法得出了載流板殼的非線性磁彈性的計算方法和結果,以及機械場、電磁場對鐵質變厚度圓板各力學參量的影響程度。Its working principle is to use the form that magnetic field and radio wave organize human body each to be shown on fluorescent screen come
它的工作原理是利用磁場和無線電波將人體各組織的形態在熒光屏上顯示出來。Power mosfet is adopted to switch heavy current of magnet core in order to control rotating magnetic field effectively
為了使磁場得到有效控制,本文採用功率nosfet實現電磁線圈大電流的開關。Study on agnetic field of a circular current and helmholtz ' coils
圓電流和亥姆霍茲線圈磁場的研究Each segment of line current can be approximated as a hertzian dipole if each segment is much smaller then a wave length
因此任意線電流在三度空間之三維向量電磁場即可以赫芝電偶極完整之遠場及近場近似合成之。An arbitrary shaped line current on a horizontal plane is divided into many small line segments and approximated by hertzian diploes, then both the near and far em - field of the line curennt is approximated by the summation of the complete near and far fields of hertz dipoles
水平面上任意形狀線電流分割為許多小段之電流,每一小段之電流近似為赫芝偶極,則在三度空間任意座標平面上無論遠近之電磁場即可以赫芝偶極之遠近完整電磁場加總合成近似之。Being a method of time - domain electrical magnetic surveying, the transient electromagnetic method ( tem ) can transmit first pulse electromagnetic field to underground making use of loop or electrical source and receive secondary induction field during of the pulse intermission
瞬變電磁法是一種時間域電磁測量方法,是利用不接地回線或接地線源向地下發送一次脈沖磁場,在一次脈沖磁場的間歇期間,採用不接地線圈接收感應二次磁場。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。No adjustment needed. the magnetic coil is static and does not need dust brushes or similar protective devices. all components are located in the main body ( the clutch housing ) for fast and easy installation with no need for further adjustmeng
不需要做調整. . .由於是磁場線圈靜止型,可以免去灰刷等的維護工作,而且所有的零件全部安裝于主體(離合器輪殼) ,可以很簡單地安裝到機械中,不需要做調整。Some correlative designs and experiments are finished before the microwave test experiment. the property of a finite long magnetic coil is studied and the coil magnetic field circuit is constructed for the experiment of microwave. a digital two - channel trigger device is designed and successfully applied in the experiment
為了微波實驗的順利進行,我們設計並加工了磁場線圈,研製了控制磁場線圈迴路觸發和強流電子束加速器觸發同步的兩路數字同步觸發器,研製了測量電子束流的法拉第筒,並成功地將這些設備應用於微波實驗研究。For the external - magnetic field mid, the cathode with improved structure works as a " close " magnetic coil that effectively increases the continuity and uniformity of magnetic field, and then ensures the stability of dense anode plasma formation
對于外磁絕緣離子二極體,改進的陰極形成單匝「閉環」磁場線圈,有效地提高了磁場的連續性和均勻性,保證了稠密陽極等離子體的穩定形成。It is found from the experiment that under the conditions of peak magnetic field of 0. 57t, beam pulse fwhm ( full width of half maximum ) of 44ns, a microwave radiation pulse with fwhm 25ns and whole width of 35ns is produced, when the intensity of the guiding magnetic field rises, the peak microwave power changes little but the width of the pulse reduces. the a - k gap also has obvious influence on the microwave radiation, the stable and higher microwave output is obtained under suitable gap
實驗中還發現,在峰值磁場0 . 57t和束流半高寬44ns情況下,得到了25ns半高寬和35ns底寬的微波脈沖信號,隨著導引磁場增加,微波信號幅值基本不變,但國防科學技術大學研究生院學位論文是微波脈沖寬度會逐步減少;實驗中還發現磁場線圈位置有一定的軸向調節范圍,說明在磁場軸向分佈的一定變化范圍內,器件都可以正常工作,這對以後的永磁場系統導引的微波實驗有利。The key turns out to be a sudden rearrangement of magnetic field lines, a phenomenon called reconnection
磁場線的突然重新排列被證明是事情的關鍵,這是一種稱為重連的現象。Realize the earth has magnetic field lines that loop out into ace from the northern hemi here to the southern hemi here , arching away from the earth and it is those magnetic field lines that organize the solar storms that cause it to create auroras
要知道,地球上的磁場線以環形在空間從北半球拋向南半球,呈拱形覆蓋于地球上空,而正是這些磁場線對于太陽風暴的作用形成了極光。Realize the earth has magnetic field lines that loop out into space from the northern hemisphere to the southern hemisphere , arching away from the earth and it is those magnetic field lines that organize the solar storms that cause it to create auroras
要知道,地球上的磁場線以環形在空間從北半球拋向南半球,呈拱形覆蓋于地球上空,而正是這些磁場線對于太陽風暴的作用形成了極光。分享友人