磁化向量 的英文怎麼說

中文拼音 [huàxiàngliáng]
磁化向量 英文
magnetization vector
  • : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  1. Sample ' s analyses and tests in laboratory, this thesis makes a detailed research on holocene deposits characteristics of mu us desert, especially on characteristics of grain size composition, which break through previous description of determining the nature and gain a series of number indexes. at the same time, this thesis has also researched arenaceous source on every part of mu us. firstly mu us desert ' s forming process is deeply influenced by the east asian monsoon, the grain size gradually becomes smaller, while the magnetic susceptibility becomes larger from northwest to southeast this phenomenon not only appears on the surface of mu us, but also obviously reflects on the same layer of different places

    根據大野外詳細考察和室內樣品分析與測試,本文對毛烏素沙地全新世地層沉積特徵做了細致的探討,尤其對區域地層的粒度組成特徵做了進一步的研究,突破了以往的定性描述,得出了一系列指標;結合野外的考察工作,對其不同地區的沙質來源做了詳細分析,主要得出以下結論: 1 、毛烏素沙地形成過程深受東亞季風影響,粒度自西北東南逐漸變細、率值逐漸變大。
  2. The main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network

    它具有體積小、重輕;無鐵芯、不存在飽和與鐵諧振問題;動態響應范圍大,頻率響應寬;抗電干擾性能強;無油結構、絕緣可靠、價格低等優點;是未來電流互感器發展的方,是新一代電力數字網發展的需要,適應電力計和保護數字、微機和自動發展的潮流。
  3. These results indicate that the magnetic field should have upper stability when the particle beam is low polarized while the requirement of the stability of the magnetic field can be lowered when the particle beam is high polarized in the experiment of producing the polarization of the particle beam. and the complementariness can be used as a negative feedback to stabilize the polarization of particle

    這一結果表明,在產生離子束極的實驗中,在離子束低度極的前期階段,場應具有較高的穩定性,而在離子束極度較高的後期階段,場的穩定性要求可以放鬆;自旋的縱的無規漲落和橫的無規漲落的互補性有可能用來做成穩定離子極的負反饋。
  4. Polarimetric synthetic aperture radar ( polsar ) investigates the transverse vectorial nature of plane em waves and provides the complex scattering matrix of a scatterer. scattering polarimetry is sensitive to the shape, orientation, and dielectric properties of scatters

    合成孔徑雷達( polsar )研究電波的矢特徵,通過測和分析目標的極散射特性,獲取目標的介電常數、物理特性、幾何形狀和取等方面的大信息。
  5. At the same time, on the basis of above results, the stability problem of the polarization of particle self - spin is discussed in irregular magnetic field of accelerator. the discovery that the low degree polarization system is very sensitive to the irregular magnetic field while the high degree polarization system is very stable is found. the irregular fluctuation of the vertical ponderance is complementary to that of the horizontal ponderance due to the self - spin conservation

    同時,在此基礎上,利用su ( 2 )代數動力學方程研究了加速器中帶自旋離子的極場的含時無規擾動的穩定性問題,發現:低度極的系統對場無規擾動十分敏感,而高度極的系統對場無規擾動十分穩定;自旋守恆導致自旋的縱的無規漲落和橫的無規漲落存在著互補性。
  6. Value, and the current density and intensity versus the substorm phases. moreover, the characteristics of substorm current wedge are given special attention. it is found that the density and intensity of facs reach their peak during the expansion phase, the onset of the expansion phase is triggered when imf is changed to southward from northward or the southward imf decreases, and the positions of onset are most likely to be at the edge of plasma sheet near the earth

    值分佈以及場電流強度和密度隨亞暴位相的變,並著重分析了亞暴電流楔的特徵。結果表明,亞暴膨脹相的場電流強度和密度都達到極大值亞暴的膨脹相是由行星際場轉或南變小觸發的,其起始位置很可能位於近地等離子體片內邊緣。
  7. The change of lattice constants and the cell volume expansion are calculated, which make an important contribution to the increase of the magnetocrystalline anisotropy

    計算了引起材料晶各異性大大增加的點陣常數的變和體積膨脹
  8. In chapter four, using the quantum statistics method we study the cohesion of a metallic nanowire irradiated under electromagnetic wave based on the results in chapter three. we obtain that the cohesion force is effected notably only when the frequency of electromagnetic field is at the vicinity of the energy span of the lateral levels of the nanowire

    第四章以第三章的工作為基礎,用子統計的方法,分析了太赫茲電波部分輻照對金屬納米線內聚力的影響,得到了只有當外場頻率與橫模式共振時內聚力才有顯著變的結論。
  9. Abstract : according to the continuative condition of the tangential fields on the slot aperture which is the inclined narrow - slot on the broadwall of a sectoral waveguide, the moment method is used to calculate the magnetic current coefficient and distribution. then the scattering field, the scattering parameter and the equivalent impedance are obtained. leting only the te11 dominant mode propagates in the waveguide, the scattering parameters and the normalized equivalent series impedance in the x - band are computed. the basis disigned the slot antenna and the slot array is offered

    文摘:根據縫隙口面切場的連續條件,採用解析數值法矩法,對扇面波導寬壁上窄的斜縫進行了計算,解得了流系數及其分佈,並得到散射場、等效散射參及等效阻抗等重要參數.假定波導中僅有te11主模傳輸,在x波段計算了散射參和歸一等效串聯阻抗,給出計算結果,為縫隙天線和縫隙陣列設計提供了依據
  10. The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change

    結果顯示學沉積co - ni - b 、 co - fe - b工藝在稀土元素( ce 、 la 、 y 、 dy ) 、能(超聲波、場)介入后,沉積過程、合金成分、鍍層形貌結構和性能都有顯著變,表現在:鍍液的陰極極過電位和極度降低,沉積速度提高;鍍層的結合力、表面質改善;鍍層中過渡族元素的含增加,輕元素硼的含降低,同時證實了稀土元素與過渡族元素共沉積的可能性;鍍層的顯微結構由非晶態微晶和多晶態轉變;鍍層的顯微硬度與耐磨性提高,力學性能優;鍍層的矯頑力降低;導率提高;鍍層的強度在能(超聲波、場)和輕稀土元素ce 、 la介入后提高,重稀土元素y介入后降低。
  11. In theoretical analysis, the motion of radially - emitted electron beam in diode region and drift region has been analyzed, and the relation between radial momentum or current of electron beam and the guiding magnetic field has also been studied, then the possibility to optimize the guiding magnetic field has been derived. the motion of radially - emitted beam electrons in smooth bore magnetron and smooth bore milo has also been studied theoretically. at last, the motion of radially - emitted beam electrons in compound axial and azimuthal magnetic field has been studied

    在理論分析中,初步分析了軸發射條件下電子在二極體區域和漂移區的運動規律,電子徑隨著外加場變的規律,以及電子束電流隨著外加場的變規律,還有二極體區域場優的可能性;分別研究了有軸場時以及有角場時徑發射的電子在光滑陽極結構中的運動規律,最後分析了在軸和角復合場中電子的運動規律。
  12. 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

    文章首先對性宏觀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,把外場沿難軸方時的自旋隧穿約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,從而給出由於熱助子隧穿引起的激發態的隧穿率。
  13. In the last part of the paper, we derive the euclidean equation of motion of the magnetic vector in a theoretical magnetic film consisting of biaxial - anisotropic molecular ferromagnets, which is reduced to the 2 + 1 dimensional sine - gordon field equation in the strong anisotropy limit. we obtain various domain structures which are the static solutions of the sine - gordon field equation

    最後考慮由雙軸各異性分子體形成的理想無界膜,在強各異性極限下,採用半經典近似方法,將的時空運動方程約為2 + 1維sine - gordon場方程,從而得到各類疇結構。
  14. And the subroutine is developed to add the periodic condition in the commercial 3d fem software. 3d electromagnetic field analysis is done to analyze the magnetic flux distribution in the tfpm. base on the field analysis, the mathematical model is given

    採用簡的三維電場計算方法對橫通永電機內部通分佈進行了研究,計算了各部分的通密度分佈和漏通的走,得到了電機的空載漏系數及空載反電動勢以及主要的漏通分
  15. The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics

    採用霍爾元件作為缺陷漏檢測傳感器,獲得管道軸截面漏場切的漏信號;研究了缺陷外形尺寸、缺陷傾角和形狀、管道材質和強度、檢測儀移動速度、管道背底場、管內壓力和剩對漏信號的影響。提出了各通道增益放大、各路漏信號偏離調整、波形微分、數字濾波和平滑等漏信號預處理方法;分析了等空間采樣的漏信號轉換為等時間采樣信號的必要性,研究了漏信號的小波去噪方法。
  16. 1. based on magnetic domain energy theory, magnetomechanical effect of single cycle load is studied and it is analysed emulationally that magnetic memory characteristic parameters of single cycle load. magnitude and direction of accessional magnetic intensity are made sure of the ferromagnetism material derived from single cycle load

    全文主要研究內容如下: 1 .基於疇結構的能理論,對單周期載荷力效應進行了研究,並對單周期載荷記憶特徵進行了數值模擬,確定了鐵性材料單周期載荷的應力附加強度的大小和方
  17. First, we make the basic need of magnetic circuit clearly, present the theory formulation for permanent magnetic circuit of radial polarization using the method of analyzing the theory of magnetic circuit of axis polarization, and program the calculational programme to simulate the magnetic field of magnetic circuit applying finite difference method. then we continue to study using the adult soft of femm of calculation magnetic circuit magnetic field, consider many factors affecting it, get a great lot of data and curves, give some better magnetic circuit structures for reference at our laboratory. in the end, with the condition of our lab, we measure the permanent magnetic circuit completed, then the experimental and calculational simulation results have been discussed and analyzed

    本文首先闡述了路計算及設計的基本要求,利用分析軸路理論的方法,推導出了求解徑路的理論方程,應用有限差分法,編制了計算程序,對路的場進行了模擬;然後利用比較成熟的計算場軟體femm作深入研究,考慮了影響場的多種因素,得出了大數據和曲線,給出了幾組比較合理的路結構,可供實驗的參考;最後,結合本實驗室條件,對現有永路進行了冷測,將測試結果和計算模擬結果作了比較,並進行了討論和分析。
  18. The main reason are as following : on one hand, the nd - rich phases in the hydrogen desorpted powders is so brittle that they are easily milled too fine and some are run off seriously, and then inducing low density. on the other hand, the alignment of the magnets prepared by hydrogen desorption are much low. so the hydrogen desorption process should be modified, and the solution methods can be the substitution of traditional ingots with strip cast, the enhancement of the alignment magnetic field and the addition of nd - rich phase or ( and ) lubricant before the press

    主要原因是hd粉中的富釹相較脆,在球磨時容易被磨成超細粉而造成過流失和使體燒結不夠緻密;另外一個原因是hd法燒結體的易軸的取度較低,為了提高hd體的b _ r和( bh ) _ ( max )可對hd工藝進行改進,改進的方法可以是用鑄片代替鑄錠,提高成型場強度以及在粉成型前加富釹相和潤滑劑。
  19. Spin tropism relative to regional magnetization vector will affect its transporting property. the discovery of gmr effect pioneered the new subject which is called magnetoelectronics

    自旋相對于局域的取將影響其輸運性質,巨電阻效應的發現開辟了電子學這一新的學科和研究領域。
  20. A new fitting method for magnetic curve based on support vector machine in transformer emulation is presented. the method is applied

    摘要提出了在變壓器模型模擬中採用支持機進行曲線擬合的新方法,並進行了應用。
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