非磁化鐵 的英文怎麼說
中文拼音 [fēicíhuàtiě]
非磁化鐵
英文
unbiased ferrite-
Main product : tungsten carbide powder, roll ring, anvil and cylinder, mining button bit, dies nib for various application : cold heading dies, drawing dies and non - magnetic carbide dies. all of the products mentioned above could be offered in blank or finishing product
公司主要產品有：碳化鎢粉硬質合金輥環頂錘和壓缸冷鐓模無磁合金礦山柱拉絲拉管模棒材板材非標模具及硬質合金精密加工產品等，廣泛應用於鋼鐵標準件金剛石粉末冶金石油礦山磁性材料機械加工電子等行業。At present, differential protection is often used as the main protection for traction transformers. however, the existing of certain factors, such as magnetizing inrush, over - excitation, ct saturation and mismatching of ct ratio, will result in that it is hard to distinguish state current and fault current, and differential protection misoperation or maloperation, then secure operation of electric railways system will be threatened
目前，牽引變壓器通常採用差動保護作為主保護，但是在某些因數的影響下差動保護並不能準確的區分牽引變壓器內部故障或非內部故障，如故障電流與變壓器處于勵磁涌流、過勵磁， ct飽和及ct變比不匹配等情況下的狀態電流就很難準確的區分，可能造成保護誤動或拒動，從而危及整個鐵道電氣化系統的安全運行。A detailed statement is made of the feo - the most important material for making feo magnetic material - its developing period, preparation and utilization and the feo problems existing in the metallurgical indus - try in china, a deep research is carried on a series of problems such as the adjustment of panzhihua iron and steel ( group ) cmpany industrial structure, the iron and steel industrial saturation, developing the non - steel industry, how to make use of the second resource of the large amount of feq scale, building the magnetic material industry to fill in the gaps in the field of magnetic material in panzhihua iron and steel ( group ) cmpany
論文首先闡述了磁性材料在國內外的發展動態及其在電子工業中應用的重要性，對鐵氧體磁性材料最重要的原料?氧化鐵的發展階段、制備方法、利用狀況以及中國冶金行業氧化鐵存在的問題進行了較詳盡的闡述，特別圍繞攀鋼產業結構調整、鋼鐵產業飽和、發展非鋼產業、如何利用大量氧化鐵鱗等二次資源，開發建設磁性材料產業，填補攀鋼磁性材料空白等一系列問題進行深入研究。Heat treatment and magnetic properties of ferromagnetic bulk glassy alloy prepared by sps
放電等離子燒結鐵磁性大塊非晶的晶化處理及其磁性能研究By successful solution of non - linear magnetic fields and revision of the program, we can reach following conclusions : in the computation of nonlinear magnetic fields, if iteration method is used, under - relaxation is necessary when amending the permeability distribution in soft magnetic materials ; and when < wp = 5 > calculating the equivalent current density in permanent magnets, under - relaxation is not a necessity ; when searching for permeability values by interpolation method on the demagnetization curve of soft magnetic materials, if a fixed saturation point is set, around this point an abrupt change of permeability values will be obtained ; this sudden change may cause a little problem in the smoothness of magnetic field distribution ; because the magnetic circuits of microwave tubes are too complicated, in the author ' s view, to describe the working state of a magnet system, the working points of magnets can not do it properly but average energy production of magnets will serve ; as to indicate the quality of a magnet system design for microwave tubes, the efficiency of magnetic energy utilization will be a very good criterion
由此得出結論，在非線性磁場計算中：採用迭代法的情況下，在各迭代循環之間進行磁導率修正時，一個欠鬆弛迭代過程是必需的；對永磁體中的等效電流修正時可以不作欠鬆弛迭代；在純鐵的磁化曲線上指定某一個固定的磁感應強度為磁飽和值，會使得插值求出的磁導率在該磁飽和值附近有一突變，這一突變對計算結果中磁場分佈變化的光滑性稍有影響。在微波管磁系統設計中，由於微波管磁路比較復雜，作者認為磁體的工作點並不能很好地反映磁體的工作狀態，而採用平均磁能積為衡量磁體工作狀態的標準更加符合微波管磁系統的實際情況；要表示磁系統設計好壞的程度，則用磁能利用的效率為標準更好。For example, when magnetic material being pressed, magnetic domain, direction and strength of spontaneous magnetization will vary. this phenomenon is called effect of pressing magnet. whichever rearrangement of magnetic domain or direction change of spontaneous magnetization will induces extra shape change of material
如對鐵磁材料施加應力時，往往會導致磁疇、自發磁化方向和強度發生變化，這一現象稱之為壓磁效應，由於得益於壓磁效應的作用，不論是磁疇重新排列還是自發磁化方向發生變化都會引起材料額外的形變，因此在一定應力的作用下鐵磁材料能產生非彈性變形。When the stress at the tip of crack is inflicted on the m - type ferrite particle dispersed in matrix as a second particle, not only the toughness of composites will be pro ved because of the non - elastic area produced by the particle but also the strength change of magnetic field and the stress distribution in the structural ceramics will be detected by the strength of spontaneous magnetization varying while magnetic materials being pressed or drawn
這是因為當結構陶瓷中裂紋尖端的應力作用在彌散於基體內的鐵磁體二相粒子上時，鐵磁粒子不僅在裂紋尖端周圍產生的非彈性區域使復合材料的韌性提高；而且還能利用鐵磁材料在外應力作用下自發磁化強度發生變化的性質，通過測量復合材料在應力作用下磁場強度的變化，探測出結構陶瓷中的應力分佈情況。The substitution of a - site cation ln can induce significant effect on the magnetization and polarization, nevertheless b - site cation can induce more effect on the polarization of perovskite structure. as a result, the doping of titanate which had typical high dielectric behavior would have significant effect on the research and development of novel multiferroelectric magnetoelectric material
A位離子ln的取代可以對材料的磁化性能和極化性能產生影響，然而由於b位離子對鈣鈦礦結構的極化可能產生更大的作用，因而具有典型高介電行為的含ti鈣鈦礦結構的引入將可能對新型復鐵電性的磁電子材料的開發研究產生很大的影響並具有非常重要的科學意義。Mere giant magnetoresistance, which debuted in commercial hard drives back in 1998, represented the first example of so - called spintronics, or electronics based not on charge but spin, the property of an electron that makes it act like a tiny bar magnet
不過僅有在1998年的商業化硬盤上首度亮相的巨磁電阻效應才是稱之為自旋電子- -或非基於電荷而是旋轉（電子的這個特性使它像一個小型的條形磁鐵）的電子- - - -的首個例子。The elements of ferrite magnet are ferricoxide barium strontium. ferrite has highter coercive force and highter resistance to bedemagnetized and oxidized than other non - rare earth permanent magnets. the biggest advantage of such magnet is their low cost. it is widely used from motors and loudspeakers to toys and craft etc.
鐵氧體由氧化鐵、鋇、鍶等元素組成，與其它非稀土磁鋼相比，鐵氧體的矯頑力和抗腐性都比較好，尤其它的低成本更是其它磁鋼所無法比擬的。它被廣泛應用於從電機、揚聲器到玩具、工藝品等各個領域Abstract : in this paper, we present a fuzzy approach fo r the unclear boundary constrained multiobjective optimization function in ac ma g netic according dynamic targets. using membership function and a certain membersh ip value to fuzzificate and defuzzificate the constriction
文摘:對交流電磁鐵動態優化設計過程中的非明確約束條件范圍做了一定的探討，闡述了應用隸屬函數和模糊截集的概念建立明確約束條件的思想。Since a lot of applications of ultrafine amorphous iron series alloy have been found in magnetic recording, catalysis, ferrofluid, and wave absorbing materials, etc., much attention has been paid to the synthesis process of nanostructured fe series alloy
非晶態的鐵系納米材料廣泛應用於磁記錄材料、催化材料、磁性液體、吸波材料等多個研究領域，在眾多納米材料中，納米合金材料由於其特殊的性質受到人們極大的關注。And this driving type results in the disadvantages of metro project such as the high cost of construction and maintenance, the big noise of vibration. the linear metro, which is droved by linear induction motor ( lim ), needn ’ t intermediate gearing and is droved to advance directly by the electromagnetic thrust between primary and secondary of lim. its force of traction is no longer restricted with the track adherence and the wheel only plays the support and guidance role
電磁氣隙是直線感應電動機的一個重要參數，氣隙的變化會直接影響到電磁推力、初級電流等電機特性，而推力和電流對地鐵的穩定運行起著至關重要的作用，所以對地鐵中直線感應電動機的性能及氣隙變化對電機性能的影響進行分析研究具有非常重要的意義。分享友人