磁子數 的英文怎麼說

中文拼音 [cízishǔ]
磁子數 英文
magneton number
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. The amniotic fluid and allantoic fluid of chicken embryo have been analyzed and the resonances of most substances in them were assigned by 1 - dimention and 2 - dimention nuclear magnetic resonance ( nmr ) methods. this work could be the basis of quantitative analysis of metabolites and studying the metabolites changing between the amniotic and allantoic fluid during the hatching process. also, it provided a new way to study the process of embryo developing

    用一維及二維液體高分辨核磁共振（ nuclearmagneticresonance ， nmr ）方法綜合分析了雞胚羊水和尿囊液的成分，對其中的大多數譜峰進行了歸屬，發現了一些未經報道的小分子代謝物，為研究胚胎發育過程中各個胚囊中體液的交換和小分子的代謝以及進一步對發育過程中代謝物含量變化的定量研究打下了基礎，並為研究胚胎發育的過程提供了新的思路。
  2. Powerformer have some changes in constract with the conventional generator ， subsequently it also have some new problems in order to have an economical ， efficient ， credible development and application the structure and the philosophy of electromagnetism of powerformer will be on speaking terms changes electrical design ， magnetism design ， thermal design and structural design are have some new changes above all ， the electromagnetism parameter and the harmonic magnetomotive force of powerformer are studied in this paper first ， it mainly utilizes analytics to deduce formula of slot leakage reactance it considers three instances ， including monolayer - slot ， multilayer isometric - slot and multilayer anisometric - slot then ， the analytics and the fem are utilized to calculate slot leakage reactance of stator winding of prototype of powerformer and compare their results second ， the theory of utilitzing fem to calculate the reactance of powerformer is simply introduced ， including stable reactance ， transient and subtransient reactance specially ， the saturated influence of the stable reactance is considered then ， the results are analysed final ， it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding then ， it mainly analyse harmonic magneto - motive force of stator winding through arranging various arrays of stator winding and observe their influence

    基於上述原因，本文對powerformer的電磁參數以及定子繞組諧波磁勢進行了研究。首先是用解析法推導出powerformer定子繞組槽漏抗的計算公式，考慮了單層圓形半閉口槽、多層等半徑圓形半閉口槽和多層不等半徑圓形半閉口槽三種情況，並對powerformer樣機的定子繞組槽漏抗用解析法和有限元法進行了計算，並比較其結果；其次，簡要介紹了有限元法計算powerformer電抗參數的原理，包括穩態電抗、瞬態電抗和超瞬態電抗，對穩態電抗考慮飽和影響，對結果進行分析；最後，介紹定子繞組諧波磁勢對電機運行性能的影響並對定子繞組諧波磁勢進行了分析。然後通過對定子繞組進行不同排列來分析定子繞組諧波磁勢，看看繞組排列對諧波磁勢的影響。
  3. Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor

    在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上，通過系統建模和數字模擬分析，分別針對航空低壓直流（ lvdc ）和高壓直流（ hvdc ）兩種電動機構用永磁無刷電動機，在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究，提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。
  4. This effect occurs because the magnetism in the material is generated by innumerable magnetic atoms, like a host of tiny bar magnets, all roughly aligned but randomly fluctuating like compass needles being jiggled about

    這是因為材料的磁性是由無數個磁性原子所產生的，就像一群微小的塊狀磁鐵，它們雖大致排齊但仍不規則，就像羅盤的指針一樣不停晃動。
  5. The approximation analysis result of band dipole model is obtained on the basis of the theory of mfl. the electromagnetic distribution feature of the defect in the steel panel is studied by means of simulation. the leakage magnetic distribution of the two defects and four defects plural and the defects in the column differently in the width are also assayed. conclusions that factors affecting flaw magnetic leakage to the panel also affect the column and magnetic leakage bx should be the feature of the flaw identification to several flaws are drawn

    在對漏磁檢測原理進行詳細介紹的基礎上，得出了帶偶極子模型的近似解析解，並以有限元數值模擬分析為主要手段，以鋼板上缺陷為對象，分析了各因素對缺陷漏磁場產生影響的不同規律，同時模擬分析了板上平行的兩條裂紋，四條裂紋以及柱體上寬度不同時的裂紋的漏磁場分佈特徵，得出結論:影響板上缺陷漏磁場的諸因素會對柱體上缺陷漏磁場產生同樣的影響;對于多條裂紋，宜用漏磁分量bx作為缺陷識別的特徵量。
  6. 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。
  7. Radiation spectrums of relativistic charged particles in a dipolar magnetic field were studied numerically in detail by using the current density of moving charged particles in this paper

    摘要從運動的荷電粒子產生的流密度出發，研究了在地球偶極磁場中運動的相對論性荷電粒子的輻射能量譜，並對其進行數值計算。
  8. Affect on magnons energy spectrum of ferrimagnetism two - dimensional rectangle lattice by lattice coefficient

    晶格常數對亞鐵磁性二維長方晶格磁振子能譜的影響
  9. All the import export data can be ordered partially or completely, can be provided monthly, quarterly or yearly, and can be sent through fax, e - mail, floppy discs, etc. as per requests

    所有進出口商品統計數據可接受部分或全套訂購，並可按月份，季度或年度提供，數據可根據客戶要求採用傳真、電子郵件，磁碟送交客戶。
  10. Hollow ferrites particles are the alternative to conventional solid ferrites particles, which have lower density, larger specific surface area and stability. moreover, it is expected electromagnetic wave can be reflected and absorbed again and again in the cavum of hollow particles which become its black hole. in addition, their electromagnetic parameters can be adjusted in a certain range by changing the thickness of the shell and the diameter of hollow microspheres, and the ability of absorbing microwave can be expected to improve

    空心結構的鐵氧體是對傳統實心鐵氧體的改造，不僅密度小，還具有特殊的電、磁功能，有可能使電磁波在其空腔中反復振蕩吸收，成為電磁波的「黑洞」 ，從而增加材料的吸波能力，同時可通過調節核殼粒子的內外徑來調控電磁參數。
  11. The influence of separating magnetic flux method of rotor with u ' s and tangential permanent magnet to the pole - to - pole leakage factor is analyzed by finite element method ( fem ), and given the rule of design

    通過對pmsm進行電磁場求解，分析了u型結構和切向結構轉子磁路結構的隔磁措施對電機極間漏磁系數的影響，提出了設計準則。
  12. The air - gap harmonic magnetic field and its effect on the iron losses are analyzed ; then the design rules to reduce the harmonics and the iron losses are presented ; at last, the sine or approximate sine air - gap magnetic field is constructed with non - homogenous air - gap, and the non - homogeneous air - gap function is presented

    第三部分對永磁同步電動機的氣隙磁場進行了理論分析和電磁場數值計算，分析了永磁同步電動機氣隙諧波磁場的特點和不同轉子結構尺寸對氣隙諧波的影響，提出了削弱氣隙諧波磁場減小損耗的措施。
  13. The atom of which number of valence electron is half of the sub - layer of electron has magnetic entropy value according to the theoretic calculation

    根據理論計算，價電子為半滿的原子全形動量量子數j值比較大，從而有大的磁熵值。
  14. The system has its own style. the trapping beams can be independently adjustable and three double - passed circularly polarized cooling / trapping beams intersect at the center of mot. about 1 107 cesium atoms with equivalent temperature of ~ 270 k are successfully trapped in our vcmot

    在每束冷卻俘獲光的光強約4 . 9mw cm ~ 2 、失諧量為- 10mhz 、軸向磁場梯度約11 . 6gauss cm的條件下得到的冷原子樣品中典型的原子數約1 10 ~ 7個，溫度約270 k左右。
  15. This text attempts to regard silica as shell materials, regard nanometer iron and carbonyl iron particle as core materials to prepare a kind of new - type absorbent. the structur of the core - shell particles were characterized by ftir, tem, sem, xps, xrd etc. the properties of magnetism, heat, crystalization, ectromagnetic were characterized by vsm, tg - dta, network vectorial analysis instrument

    本文以二氧化硅為殼層材料，以納米鐵以及羰基鐵粒子為核層材料，制備一種新型的吸收劑粒子。用ftir ， tem ， sem ， xps ， xrd表徵了復合粒子的結構，利用vsm ， tg - dta ，網路矢量分析儀等分析了材料結構改變對材料磁性能，熱性能，結晶性能，電磁參數等性能進行了分析。
  16. Firstly, considering the molecular pump is small and the elimination of heat condition is bad, this paper presents the structure of the mb, including the material of the rotor and stator, the number of magnetic poles, the stator slot shape of mb, the layout of the magnetic poles, the coins winding and so on

    首先綜合考慮了分子泵體積小、磁軸承散熱條件不好的特點，設計了分子泵磁懸浮軸承的結構，選擇了軸承鐵芯的材料，設計了磁極的布置、槽的形狀、磁極數目和線圈纏繞方式。
  17. Magnetic force pump magnet couplings " universal energy equation is educed by analyzing of demagnetization curve, ways of reverting force calculating are introduced according to the equation when inside magnet rotor have axial direction and radial displacement, circumferential moment of magnetic force has been given, magnetic force pump alnico ' s axial direction length, circumferential length, radial thickness amounts are summarized with the analyses of experiment results

    利用退磁曲線法，推導磁力泵聯軸器能量通用公式，導出內磁轉子在軸向偏移和徑向偏置下產生的回復力計算方法，周向傳動轉矩計算方法，結合試驗結果，總結推薦磁力泵磁鋼軸向長度、周向長度、徑向厚度、磁極數設計方法。
  18. Magnetic waves shrink silicone molecules

    電磁波會減少矽膠的分子數
  19. Monodispersed and polydispersed iron nano particles, and epoxy resin - iron composite particles have been synthesized. the structure of the particles was characterized by tem > sem ir, dsc, ftir etc. the relationship between the particles structure and the microwave electromagnetical parameters have been studied detailedly in this thesis

    本論文制備了單分散和多分散的鐵納米粒子及環氧樹脂-鐵納米復合粒子，用tem 、 sem 、 ir 、 dsc 、 ftir等測試手段表徵了它們的結構，並詳細研究了粒子的結構與微波電磁參數的關系。
  20. This thesis contributed to the comprehensive study of the finite - difference time - domain ( fdtd ) method and its application to the numerical computation of radiated electromagnetic fields in switched mode power supplies. the work includes mainly three parts : the study on the performance of pml absorbing boundary condition applied to pseudo low frequency electromagnetic problems ; the validation of the fdtd method with pml absorbing boundary conditions and the corresponding computer software based on the numerical study of the electromagnetic field of an electric dipole antenna, and its application to the numerical computation of radiated electromagnetic fields in switched mode power supplies ; the development of an improved alternating direction implicit finite - difference time - domain method

    在綜合前人工作基礎上，本文對時域有限差分（ fdtd ）法及其在開關電源輻射電磁場數值計算中的應用進行了系統的分析和研究，其核心內容包括：偽低頻電磁場數值計算中pml吸收邊界條件性能的研究；基於基準問題?電偶極子天線三維輻射電磁場，驗證了本文構造的基於pml吸收邊界條件的三維fdtd法及其計算軟體，並應用於高頻開關電源輻射電磁場的數值分析；提出了一種改進的交替方向隱格式時域有限差分法。
分享友人
分享到 Line

分享到臉書