次生磁場 的英文怎麼說

中文拼音 [cìshēngcíchǎng]
次生磁場 英文
secondary magnetic field
  • 次 : Ⅰ名詞1 （次序; 等第） order; sequence 2 [書面語] （出外遠行時停留的處所） stopping place on a jou...
  • 生 : Ⅰ動詞1 （生育; 生殖） give birth to; bear 2 （出生） be born 3 （生長） grow 4 （生存; 活） live;...
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 場 : 場Ⅰ名詞1 （平坦的空地 多用來翻曬糧食 碾軋穀物） a level open space; threshing ground 2 [方言] （...
  • 磁場 : [物理學] （傳遞運動電荷或電流之間相互作用的物理場） magnetic field
  1. Meanwhile, based on the magnetic material theory, a complete analysis and summary are carried out on the three crystal structure and technology theory ; especially the ingredient analysis is made on the microscopical morphology and x - ray diffraction and its mixtures existence and relevant metallurgy about the typical second resource such as coldrolling iron and oxide red, steelmaking sludge and feso4 based on the practeal investigation of the pre - burning materials in domestic products plant, especially the analysis on the domestic markets and components, and connecting with reality and material characters in panzhihua iron and steel ( group ) cmpany, we established the product orientation and developing direction in panzhihua iron and steel ( group ) company ; after carrying out the technology reform on the old no. 1 magnetic product plant of enterprise company, making a detailed study on the various conditions for establishing a plant, the feasible research report is formed of 1400 tons ( per year ) feo preburning material and 3000 tons ( per year ) middle and high quality magnetic products ; so a necessary and reliable supports are provided both theoretically and practically for the development of the magnetic industry in panzhihua iron and s teel ( group ) cmpany

    同時，對磁性材料的理論基礎，尖晶石、磁鉛石、石榴石三大晶系結構以及其工工藝理論進行了較為全面的歸納、分析和總結；尤其針對攀鋼產生的二次資源如冷軋鐵紅、煉鋼污泥、硫酸亞鐵等三種典型原料分別作了成分分析、微觀物理形態以及x光衍射分析、其夾雜物的存在形式及相應的金相分析。對國內鐵氧體磁性材料的預燒料及磁件生產廠家的工藝、設備、技術、成本、質量狀況進行了實地的調研，特別是對國內磁性材料的市場及競爭對手進行了詳盡的分析，在此基礎上，結合攀鋼實際及原料特點確立了攀鋼發展磁材產業的產品定位及發展方向；對企業公司原有磁件一廠進行了技術工藝改造，對建廠各項條件進行了詳細的分析，形成了了年產14000噸年鐵氧體預燒料以及3000噸年中高檔磁件產品的可行性研究報告，從理論上和實踐上為攀鋼磁性產業的發展提供了必要的可靠的依據。
  2. The main origin of the perpendicular magnetic anisotropy in tbco amorphous films is the static interaction between the aspheric distribution charges of non - s tb ions and the aberrant crystal field produced in sputtering and deposition process. the magnetic dipole interaction is in a secondary cause

    對于tbco非晶垂直磁化膜而言，具有非球對稱電荷分佈的非s態離子tb與濺射沉積薄膜過程中產生的畸變晶格場之間的靜電相互作用構成了tbco非晶薄膜垂直磁各向異性的主要部分， tbco薄膜內的磁偶極相互作用構成了其次要部分。
  3. We present a calculation program in this paper, based on the physical optical theory ( po ) theary to predict bse and bses for a conical type of radome. the po theory is used to determine the ficticius currents electrical and magnetic on the inner face of the radome, which is illuminated directly by the radar antenna, and then use the transmission matrix mothod to determine the outer surface ficticion currents, the radiated from the antenna through radome is considered as the radiation field of these ficticion current

    本文提出了一種基於物理光學理論預測正圓錐天線罩瞄準誤差及瞄準誤差斜率的計算程序。首先，雷達天線照射到天線罩內壁，應用物理光學法求出內壁等效的電流和磁流，其次，根據傳輸矩陣理論求出外壁等效電流和磁流，天線通過天線罩的遠區場即可認為是外壁等效電、磁流產生的場。
  4. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    該系統可通過沉積參數的精確控制，以控制沉積過程，減少金剛石膜生長過程中的缺陷，並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程；利用微波對材料的選擇加熱特性，通過構造等效方程，並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中，建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型，為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備，並對基片加熱材料進行了設計和優選，以獲取大面積均勻的溫度場區，甚至獲得大於基片臺尺寸的均勻溫度區；作為研究重點之一，開展了微波等離體化學氣相沉積金剛石的成核與生長研究，系統地研究了在（ 100 ）單晶硅基片上mpcvd沉積金剛石膜的實驗過程中，基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響，分別用raman光譜、 x射線衍射（ xrd ） 、掃描電鏡（ sem ） 、紅外透射光譜（ ir ） 、原子力顯微鏡（ afm ）對薄膜進行了表徵，確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。
  5. From the exact expression of the field, we obtain a multipole polynomial expansion, and under the paraxial condition we furthermore obtain the approximate expression. the loffe trap, consisting of two coils with parallel currents and four straight conductors with currents in alternating directions, is one of the most important traps. we specially study the field structure of it by using both the exact expression and a multipole polynomial expansion that facilitates studies of classical or quantum orbits. if the region near the origin is of interest, we may obtain a simple expression of the field and this configuration may be called idealized loffe trap

    若只討論阱中的近原點區域時，阱中的磁場可以呈現出一種簡潔的形式，人們把它稱為理想ioffe阱。磁矩反平行於磁場的中性粒子在阱中與磁場發生相互作用，藉助相互作用勢，可以獲得粒子在阱中的經典運動方程。在一定的近似條件下，我們可以採用逐次近似的方法，使方程簡化，其中三個分量式中關于z的方程比較容易求解，而關于x 、 y的方程則演化為我們熟悉的馬丟方程的形式。
  6. This paper shows the investigation on the magnetic properties of the single crystal ergag under high magnetic field by quantum theory, and gains the magnetic anisotropy. it is in good agreement with the result of the experiment. using quantum theory, taking the special microscopic structure of ergag into account, we calculate and analyse the splitting of the lowest level ( 4i15 / 2 ) according to the crystal field

    本文作者經過詳細推導和計算第一次用量子理論定量計算了磁場作用下單晶ergag石榴石的磁特性，得出了在外磁場下ergag石榴石在溫度4 . 2k時產生的與實驗基本吻合的磁性各向異性現象，利用量子理論，鑒于ergag的特定的微觀結構，計算基態（ 4 ~ i _ （ 15 / 2 ） ）能級在晶場作用下的劈裂，得出由於ergag的順磁性，故其晶場作用下晶體的總磁矩應該為零。
  7. They do not need to go to the operating theatre and the prosthesis can be extended without additional surgery. there is a powerful magnet mounted inside the prosthesis. the patient simply needs to put his leg inside a specially - designed magnet driving machine to undergo the lengthening process and can be discharged immediately after the extension process

    最新一代金屬骨伸延儀器更是無創性設計，病人無須入手術室，只須把已植入金屬骨的腳放進機器內，機器便會產生巨大的磁場，醫生透過磁力作用，操作金屬骨內的組件，讓它慢慢伸延，每次伸延的長度為4mm 。
  8. The characteristics of the secondary magnetic field induced by the strongly magnetic chain in low intensity field are described and the value of the secondary magnetic field is calculated. the order of magnitude of the magnetic field on the end surface of the magnetic chain made of magnetic minerals in real separation and the effective distance of the secondary magnetic field are estimated

    介紹了強磁性磁鏈在弱磁場條件下產生二次磁場的特性，計算出磁鏈的二次磁場值，估算了實際分選時由磁鐵礦物構成的磁鏈在端面處的磁場力量級以及磁鏈的二次磁場有效作用距離。
  9. In 1992, li zhiqing ' s master degree paper, the temperature stability of vertical bloch line ( vbl ) chains in walls of second hard dumbbell domain ( iid ) in the uncompressed state was investigated experimentally and a threshold temperature ( 7 ) nd at which to breakdown the vbl chains in the walls of iid was found

    由於其轉化過程中vbl沒有丟失，也就是說，其疇壁結構沒有發生變化，所以我們再次證明了三類硬磁疇的疇壁結構是一致的，在直流偏場下之所以會出現不同的縮滅行為，完全是由於vbl的數目引起的。
  10. It uses the encouragement of step wave or other impulse current field source to produce the transition process field in earth. in the moment of shutting the power it produce the volute alternating electromagnetic field. from the abnormity of measuring the attenuation character of the second induction electromagnetic field, which produced by underground medium with time change, the conductive capacity and the position of the underground non - homogeneous substance can be analyzed

    瞬變電磁法（ transientelectromagneticmethod ）是一種時間域的電磁勘探方法，利用階躍波或其它脈沖電流場源激勵，在大地產生過渡過程場，斷電瞬間在大地中形成渦旋交變電磁場，測量這種由地下介質產生的二次感應電磁場隨時間變化的衰減特性，從測量得到的異常分析出地下不均勻體的導電性能和位置，從而達到解決地質問題的目的。
  11. The rule of induction bow attenuation wave that is excited first field and formed in internal will be different with the difference of electric capability of geology body and existence position. so this method can resolve geology question and predigest consumedly research of geology object abnormity

    隨地質體導電性能及空間賦存位置的不同，感應渦流衰變的規律也有所不同，通過分析和研究二次磁場的時空變化特徵，達到解決地質問題的目的，因而大大地簡化了對地質目標體所產生異常的研究。
  12. The solving steps are as follows : the field is divided into three regions by the cylindrical surface of the finite - length cylinder and the location of the delta - coils. because " the surface current source is placed at the interface, the non - homogenous restricted equation on the magnetic vector potential is transformed into the homogenous helmholtz equation. by using the method of separation of variables to solve equation and according to the interface conditions and the condition at infinity to determine the unknown constants, the expressions for the magnetic vector potential of the three regions are solved out

    在求解過程中，假定放置式圓柱線圈是由無窮多個對稱圓環線圈密饒而成，首先求解含有有限長磁芯的通電對稱圓環線圈的電磁場：以有限長圓柱磁芯的側面和圓環線圈所在圓柱面為分界面將場域劃分為三個小區域，由於場源放置在內邊界面上，使得關于矢量磁位的非齊次約束方程轉化成齊次亥姆霍茲方程，利用分離變量法求解，根據分界面鄭州大學碩十研究生畢業論文摘要條件以及無限遠條件確定待定常數，從而得到各場區矢量磁位的表達式。
  13. By studying mineral grains found in material ranging from rocks to clay articles, previous researchers have already been able to identify reversals dating back 170 million years, including the most recent switch 730, 000 years ago

    通過研究巖石，陶器等一系列材料中含有的礦物顆粒，先前的研究人員已能夠確認早在1 . 7億年發生的磁場兩極轉化現象，以及發生在73萬年以前的最新一次兩極轉化現象。
  14. And flux distributions and radial force of an induction type bearingless motor is analyzed employing the finite element method. relationships between the radial force and radial force winding currents are influenced by magnetic saturation. it was shown that the generated radial force reaches its maximum value due to magnetic saturation

    首次運用有限元方法對該電機進行了深入的研究，充分展現了無軸承異步電機特有的氣隙磁場分佈、驗證了穩定磁懸浮力產生的條件、指出了磁飽和對磁懸浮力的影響、利用有限元方法修正了磁懸浮力數學模型。
  15. 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。
  16. In order for a reversal to take place there must be a brief time during which the field is non - existent

    為了發生一次倒轉，必須有一個很短的時間沒有磁場存在。
  17. We also know that the magnetic field of the sun reverses as well every 11 years, whereas the earth ' s reverses irregularly

    我們還知道太陽的磁場也發生倒轉? ?每們年一次，而地球磁場的倒轉並無規律。
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