均勻磁化 的英文怎麼說

中文拼音 [jūnyúncíhuà]
均勻磁化 英文
uniform magnetization
  • 均 : Ⅰ形容詞（均勻） equal; even Ⅱ副詞（都; 全） without exception; all
  • 勻 : Ⅰ形容詞（均勻） even Ⅱ動詞1. （使均勻） even up; divide evenly 2. （分出一部分） spare
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  1. When the atomic ratio of nb is one, the structure is homogeneous and almost composed of the single sm2fe17 phase. it ' s nearly the same structure as that after annealing. so it can reduce the production cost and increase the stability of magnetic properties

    當nb的原子比為1時的鑄態組織基本為均勻的接近單相的sm _ 2fe _ （ 17 ）組織，已接近於退火后的組織，從而可以避免冗長的均勻化退火化過程而直接用於製造永磁體，極大的降低了生產成本，並能有效的提高磁性能的穩定性。
  2. However, the speed of penetration is equal to predicted value by fluid theory only in c + + plasma with uniform density profile. on other conditions, strong two - dimensional effects, electrostatic accelerating, magnetic pressure and plasma pressure should be included in the fluid analysis

    不過，值得注意的是僅有均勻分佈的c ~ （ + + ）等離子體條件下，磁場滲透速度與簡化流體理論分析結果基本相同，而其它條件下的磁場滲透速度均與理論結果存在一定的差異。
  3. Increasing the cooling velocity and additions of nb and zr can refine the a - fe dendrites in as - cast alloys, decrease the amount of a - fe phase after homogenization treatment. as a result, the magnetic. properties were improved

    提高鑄錠的凝固速度及添加nb和zr可以促進鑄態合金內- fe相的晶粒細化及均勻分佈，減少均勻后殘留的- fe相，提高均勻化的效率和質量，從而提高磁體的矯頑力。
  4. 3. the solution for the distribution of potential internal the dielectric ellipsoid has been obtained by means of ellipsoidal coordinates, and has obtainted the expression of the polarization field strength in the dielectric ellipsoid, calculated the included angle value of polarization vector and the external field vector, making programe to compute to get the relation shetch between the included angle value of polarization vector and the external field vector and we have discussed the result and hold that the direction of polarization field strength with that of the external field don ’ t always strict antiparallel

    二、討論了帶電粒子在均勻電磁場中的相對論運動規律。三、討論了在均勻電場中電介質橢球體的極化規律。證明了電介質橢球內的極化場強方向與外電場方向並非嚴格相反，只有當外電場與電介質橢球的某一主軸平行或者當橢球體三半軸的大小都相等時，極化場強方向與外電場方向才嚴格相反。
  5. Base on certain main magnets of nmr this thesis designs the most excellent structure of the pole shape and obtains a relatively uniform magnetic field in a large imaging volume. the calculating model of pole shape made of pure iron can be simplified with the infinite permeability and calculated with the scalar potential. the rule between pole shape and the homogeneity or the size of uniform region of magnetic field is discovered and factors of influencing the homogeneity of the magnetic field are held so that the main magnet with the optimized size of pole shape can produce a relatively uniform magnetic field in a large imaging volume

    本文針對一類典型結構的主磁體，通過磁場分析與大量的計算，找到了極靴形狀的改變影響樣品區磁場均勻度以及均勻區域范圍的規律，掌握了極靴形狀的變化趨勢及其形狀影響樣品區磁場均勻度的各種因素，進行了極靴的形狀優化設計並編制了相應的計算機軟體，給出了極靴形狀的具體尺寸，使得主磁體能在更大空間內產生相對均勻的磁場。
  6. Being fine, homogeneous and free of melting, the powder prepared by mechanical alloying has applied to develop scattering strengthen - material, magnetic material, high - temperature material, superconductivity material, amorphous, and non - equilibrium material, compound material etc. as a high - tech technology to prepare alloying powder, ma has become a more and more important method for preparing new materials

    機械合金化法制備的粉末晶粒細小、成分均勻，且能避免熔化過程，已用於開發研製彌散強化材料、磁性材料、高溫材料、超導材料、非晶、準晶、納米晶等各種狀態的非平衡材料、復合材料、輕金屬高比強材料、儲氫材料、過飽和固溶體等。作為制備合金粉末的非平衡高新技術，越來越成為一種制備新材料的重要方法。
  7. The microwave magnetic sintering can not only lower the sintering temperature and shorten the sintering time, but also decrease the micro - grain size of magnets and make intergranular phase and grain boundary of main phase distributed well. the abnormal grain growth was found in conventional sintered ndfeb magnets, which may be due to the greater particle size and uneven distribution of powder, and higher sintering temperature and longer sintering time. of course, the abnormal grain growth would deteriorate the magnetic properties

    微波磁場燒結的不但降低燒結溫度，縮短燒結時間，而且使磁體整體加熱，受熱更均勻，因而磁體晶粒更細小，並且主相晶粒邊界趨于規則化，晶間相的分佈更均勻；在常規燒結的磁體中則出現了晶粒異常長大現象，造成這一現象的原因，一方面可能是燒結溫度過高或燒結時間過長，另一方面可能是磨製的粉體均勻性較差，存在的大顆粒被許多細小顆粒包圍，在燒結過程中，大顆粒不斷吞併小顆粒，逐漸長大，而異常長大的晶粒自然會導致磁體性能的惡化。
  8. The second strategy include that a metallic nickel ( ni ) core was encapsulated with a polymeric polystyrene ( pst ), and then coated with an outlayer of dielectric titania to form ni / pst / tio2 composite particles. the morphology and structure of the particles were characterized by tem, sem, tg - dta, xrd, and ft - ir

    其次，以聚苯乙烯包覆金屬鎳粉，形成了ni pst磁性聚合物微球，然後在該微球外包覆二氧化鈦，制得了粒徑均勻、形態良好的鎳聚苯乙烯二氧化鈦（ ni pst tio _ 2 ）無機-有機結構的多層核-殼復合微球。
  9. The relation between collisional absorption of the em - wave and the plasma density, plasma collision frequency, and incident wave frequency is obtained

    給出了不均勻非磁化等離子體密度、等離子體碰撞頻率、電磁波頻率與碰撞吸收的關系。
  10. The results indicate that the best annealing temperature is 1100 for 2h. a conclusion has been drawn that when the mol percent of iron is 60 %, the productions of powders and cycle samples have the best magnetic properties

    通過對shs粉末樣品和磁環的磁性能測試發現：當反應產物中fe的摩爾分數為0 . 6時，粉末樣品粒徑大小均勻，產物具有較高的比飽和磁化強度和低的矯頑力。
  11. The series of vibrating feeder machines belong to the transnational vibrating type, with the character of equated vibrating, reliable operation and lifelong working, vibrating feeding machines they can serer for the rock crushers, supplying continual and even feeding, meanwhile starting the coarse sieving for the materials, vibrating feeding machines they can be widely used in rock crushers, sieving and combined with other equipments for materials selection, construction, silicate mineral and chemical industry. enclosed vibrating conveyers. vibrating feed machines

    電磁振動給料機-本公司生產的給料機系列系直線振動給料機或圓振槽式給料機，電磁振動給料機具有振動平衡工作可靠壽命長等特點，電磁振動給料機可為破碎機械連續，均勻喂料，電磁振動給料機對物料進行粗篩分，電磁振動給料機廣泛應用於選礦建材硅酸鹽和化學工業中的破碎篩分聯合設備中。
  12. Both of the two ways can reach fb5b standard of tdk company. the coercive force of strontium permagnetferrite can be improved when a12o3 or cr2o3 was added to caco3 - sio2 or caco3 - hbo3 multi - additives. ( 4 ) comparing with normal caco3 and sio2, the nano caco3 and sio2 improve the magnetic. for the nano caco3 and sio2 have high chemical activations and excellent distribution, the density of permagnetferrite can be improved and the sinter temperature of it can be reduced

    納米caco _ 3 、 sio _ 2與普通caco _ 3 、 sio _ 2加入相比，鍶鐵氧體永磁獲得的最佳磁性能高，獲得最佳磁性能的添加量范圍變寬，即納米caco _ 3 、 sio _ 2提高了磁性能的穩定性，有利於大生產時鍶鐵氧體永磁的磁性能的穩定，對生產有重要的指導四川大學碩士論文意義;由於納米caco3 、 510 :分佈更均勻，具有高的化學活性，降低了銘鐵氧體永磁的最佳燒結溫度，提高了銘鐵氧體永磁的燒結密度，因而增大了caco3 、 510 :添加劑對銘鐵氧體永磁的改性效果。
  13. An emigration operator is designed to preserve the diversity and to smooth the pareto front. the approaches such as the fitness sharing, the clustering method, and the elitism strategy are also improved and extended in this paper

    通過兩個典型算例的驗證，可以看出，本方法很好地防止了早熟現象，得到了均勻、平滑的pareto曲線，可以實際運用於復雜的電磁裝置優化設計中。
  14. Also considered is the dependence of the guidance performance of the superconductor upon such elements as geometrical and current parameters of the system, the movement of the superconductor. comparison between the experimental and theoretical results indicates the effectiveness of the method utilized in the thesis

    這些元素包括以下三方面，系統的幾何尺寸：高溫超導體的幾何尺寸、永磁導軌的幾何尺寸；系統的電流參數：高溫超導體的臨界電流密度、永磁導軌中永磁體的均勻磁化強度；高溫超導體相對導軌的運動方式。
  15. First, the 2 - d model for analyzing is provided. according to the theory of ward, the field of electrical magnetism is formed under the base of linearization. then the field model in reality will be formed if the one without fault is added

    其主要的條件是在模型線性化的基礎上，根據ward理論，把短路線匝的磁場分析出來，再把它與正常情況下的均勻磁場相合成，從而形成對應的分析模型。
  16. By means of experiment the distribution of the non - uniformed magnetization of the magnetic ring of permanent magnetic bearing was measured, and the influence of magnet clearance on non - uniformed magnetization was analyzed

    摘要通過試驗測量了永磁軸承磁環不均勻磁化的分佈，分析了磁體間隙對不均勻磁化的影響。
  17. The absorption of electromagnetic wave by non - uniform magnetized plasma

    非均勻磁化等離子體中電磁波的吸收特性研究
  18. The particle - enriched zone moves outwards as the rotational rate increases. by employing steady dc magnetic field to the conventional centrifugal casting method, the distribution of particles is changed. the most uniform distribution is obtained when the magnetic density is 0. 15t

    通過向常規的離心鑄造中引入穩恆直流電磁場，基體中的顆粒分佈得到改善，磁感應強度為0 . 15t時，顆粒的分佈最為均勻，磁感應強度過大時，磁場將會引起基體組織粗化。
  19. Based on the theoretical calculation and the magnetic performance index, so - called " effective magnetization intensity ", an optimized scheme for a permanent magnetic thin film array is proposed, which is " given 10 m thickness film, the optimized size of the units is 40 m 40 m, while the distance between them is 10 m " finite element methods is employed to characterize the magnetic properties of a permanent magnetic thin film array with magnetic anisotropy

    在此基礎上，按照永磁薄膜陣列的「有效磁化強度」磁性能優化指標，求出了一個較理想的永磁薄膜陣列設計方案：對10微米厚的永磁薄膜，陣列單元為40 m 40 m ，間距為10 m 。本文利用有限元分析方法初步研究了各向異性永磁薄膜陣列的磁性能，得到了關于永磁薄膜陣列的磁化特徵，驗證了解析計算採用的均勻磁化假設的合理性，同時分析了磁場中永磁薄膜受到的磁力與薄膜厚度的變化關系。
  20. The permanent main magnet is mainly the developing direction through analyzing the advantages and disadvantages between three sort of main magnets : superconductor, routine and permanence. aiming at the different types of the permanent main magnet with edge effects, which ca n ' t reach the demand of nmr imaging, numerical method of magnetic field computation and the theory of shape optimization is applied

    因此，本文應用磁場數值分析和形狀優化的理論和方法，探索了大空間內均勻磁場的技術，目標是在核磁共振成像主磁體己設計好的基礎上，對極靴的形狀進行優化設計，盡量擴大樣品區磁場均勻的范圍。
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