鐵磁矩 的英文怎麼說
中文拼音 [tiěcíjǔ]
鐵磁矩
英文
ferromagnetic moment-
In this thesis, mainly by fmr, combined with moke and magnetic measurement, systematical studies have been made on the magnetic properties, especially magnetic anisotropy in epitaxial single crystalline fe ultathin films on gaas and inas substrates in polycrystalline thin films and in polycrystalline nife and nifeco patterned films of micron and submicron rectangular elements arrays
本論文以鐵磁共振為主要研究手段，輔助以磁性和磁光測量，對外延于gaas及inas上的不同厚度的單晶fe超薄膜、不同厚度的nife多晶薄膜和電子束光刻的多晶nife和nifeco單層利三明治結構的微米及亞微米矩形單元陣列圖形薄膜的磁性，特別是磁各向異性進行了較為系統的研究。The exterior and the install sizes all in the light of iso international criterion to design and make, the whole structure adopt after pull pattern of electrical engine direct link my companys patent, by centernog prop up, the structure is tightly, teardown and maintenance is convenient the bound of capability is broad the alnico of passing wrestdistance uses of advanced thulium material permanent magnet nd fe boron to make inside and outside magnet ; uses of the most streampadd nonmetallic material pad f46 inside to be made - up isolationsheath assembled and its provided with high strength dynam capability
，整體結構採用電機直聯的后拉式我公司專利，由中間支架支撐，結構緊湊，拆卸維護方便，性能范圍寬傳遞扭矩的磁鋼選用先進的稀土材料永磁體「釹鐵硼」製造內外磁體，使用最新型非金屬材料內襯f46製成的隔離套組合具有高強度的力學性能，徹底消除了一般磁力泵具有的磁渦流損耗，提高了整機的效率。Based on the special property of magnetic fluid ( mf ), we fill the magnetic fluid into the working clearances of the servo valve torque motor. one side, the magnetized magnetic fluid can exert a damping torque on the torque motor armature and reduce vibration of the armature ; on the other side, it can improve the magnetic circuit efficiency of the torque motor because of the magnetic fluid ’ s larger magnetic permeability
基於磁流體所具有的特殊性質，將磁流體添加到伺服閥力矩馬達的工作間隙中，一方面磁流體被磁化后可增大銜鐵的阻尼力，減少振動;另一方面由於力矩馬達氣隙中磁導率的提高，使氣隙中的磁通量增大，力矩馬達的磁路效率和輸出扭矩將增大，因此可以提高力矩馬達的固有頻率和伺服閥的響應速度。Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。The minimum of resistivity at low temperature range can be explained by magnetic scattering which corresponds to the peak of magnetization. all of the experimental data can be well explained on the basis of vrh model, which comes from not the clusters, but the inhomogenous magnetic background. based on the mechanism of transport, cmr effect is elucidated
體系磁性和電性的影響，通過實驗分析得出了下列結論： q ） dy對la的替代產生了無規的磁勢，破壞了mn o mn長程鐵磁序，導致在tn丁tc溫區出現團簇玻璃態，在t tn溫區，由於dy子大的磁矩， la （ dy亞晶格和mn亞晶格磁矩強烈的耦合，體系呈現反鐵磁態Stepping drive of synchronous motors, upgrading the design idea of stepping motors from combined electromagnet theory to rotary magnetic field theory, will make the capability and efficiency of the increment control system improved to a new level, which is the research purpose of ac step motion drive this paper begins with the direct torque control method for pmsm to expatiate ac step motion control theory distinctly
用同步電動機實現步進傳動；將步進電動機的設計思想從組合電磁鐵理論提高為旋轉磁場，使增量運動系統的容量和效率發展到一個新的水平，這就是交流步進傳動的研究目的。為了比較清楚地闡述交流步進理論，本文首先從永磁同步電動機的直接轉矩控制演算法入手來分析。A precision force banacing accelerometer for ineration navigation application is developed. the resolution, low - sensitivity threshold and high thermal stability are considered as design parameters. in order to guarantee a low - sensitivity threshold while maintaining robustness against shock, push - pull type long flexures are used in this paper. to improve thermal stability, this paper discusses the use of electromagnets as a magnetic fied source. the silicon pendulum assembly and modified inducance type pick - up is also developed to reduce assembling procedure. the measure range of accelerometer is 0 - 70g
加速度計的解析度、靈敏度閾值和高的熱穩定性是設計時主要考慮的參數。本論文中使用推?挽式長撓性結構來保證低靈敏度閾值，同時保證抗振魯棒性。為了提高熱穩定性，本文中討論了利用永久磁鐵作為磁場源；微加工技術被引入擺組件的結構設計和利用力矩線圈作為激勵線圈來簡化電感式的檢測裝置。Such windings make better use of iron and copper and also improve the mmf waveform and smooth out the torque developed by the machine
這種繞組可以更好地使用鐵和銅，並改善磁動勢的波形以及平滑電機所產生的力矩。Magnetic fluid shows higher saturation when it is exposed to magnetic field. in this paper, magnetic fluid is used to improve the dynamic performance of jet pipe servo valve by filling magnetic fluid in the working clearances of torque motor between armature and core
本文利用磁流體在外加磁場作用下，具有較大磁化強度的特點，提出了在力矩馬達銜鐵和鐵芯的工作氣隙中加入磁流體，利用磁流體來改善射流管伺服閥動態性能的方法。E -. magnetic oxide cores e - cores of rectangular cross - section and associated parts ; dimensions
矩形斷面及其相關部件的磁性氧化鐵芯Magnetic materials - methods of measurement of the magnetic dipole moment of a ferromagnetic material specimen by the withdrawal or rotation method
磁性材料.用拔出或旋轉法對鐵磁材料試樣的磁偶極矩的測量方法In the paper, the magnetic flexibility torque survey tool is composed of the magnetic flexibility torque sensor and following measure circuit, and based on magnetic flexibility principle of the iron - magnetism material
本文研究的磁彈性轉矩測量儀由磁彈性轉矩傳感器和后續測量電路組成，它是利用鐵磁材料的磁彈性效應（壓磁效應）測量轉矩的儀表。Taking core loss into account has important effect to improve the torque performance of the motors " field oriented control. in this paper, the transient mathematical model of the asynchronous motor with core loss is setup. the method is proposed that minimizes the loss in a variable speed and torque at the synchronous rotating coordinate
在對損耗分析的基礎上，建立了考慮鐵損時異步電機的動態數學模型，推導出在同步旋轉坐標系下變速、變轉矩時使電機功率損耗最小的方法，並且結合矢量變換提出了基於快速轉子磁場定向的矢量控制。A transient mathematical model of the asynchronous motor is built taking core loss into account to improve the torque performance. a method is proposed to minimize the total loss according to the relation between the efficiency and the rotor flux. a dtc system using this method appear high efficiency in matlab - simulation
本文通過對電機損耗的分析，建立了考慮鐵損時異步電機的數學模型，推導出電機的損耗和轉子磁鏈的關系，通過坐標旋轉變換，得出損耗最小時的直接轉矩控制的定子磁鏈參考值。Then, according to the established structure, the parameters of the optical switch were modeled and optimized. the thickness, roughness, verticalness of the mirror was analyzed and designed. finally, the rectangular magnetic material was selected for the electromagnet thirdly, the parameters were optimized by ansys software and the performance of the optical switch was analyzed
首先根據電磁鐵的非線性特性和梁的抗彎曲力的線性特性，設計出磁力驅動懸臂梁式光開關結構，然後根據提出的結構，從理論上對懸臂梁的參數進行模擬分析選出合適的懸臂梁參數，緊接著分析平面鏡的厚度、表面粗糙度、垂直度對光開關性能的影響；最後對磁路系統，明確選擇具有矩形磁滯回線的材料，設計出電磁鐵的結構。Magnetic materials - part 14 : methods of measurement of the magnetic dipole moment of a ferromagnetic material specimen by the withdrawal or rotation method
磁性材料.第14部分:用拔出或旋轉法測量鐵磁材料試樣磁偶極矩的方法The standard model predicts that electrons and quarks behave as microscopic magnets with a specific strength and that their behavior in an electric field is determined purely by their electric charge
標準模型預測，電子與夸克的行為就像是微小的磁鐵，有明確的磁矩，而且它們在電場里的行為純然由其電荷大小決定。The coupling between cr atoms in the system with two cr atoms considered is found to be ferromagnetic, and the magnetic moment per cr atom is similar to the case in which only one cr atom is considered in the same doping concentration
在包含兩個cr原子的體系中cr原子之間是鐵磁性偶合，每個cr原子的磁矩與相同濃度下摻雜一個cr原子的磁矩相近。Research on high - frequency soft - magnet properties of low magnetic moment high power microwave ferrite
低磁矩大功率微波鐵氧體材料高頻軟磁特性研究分享友人