鐵電滯 的英文怎麼說
中文拼音 [tiědiànzhì]
鐵電滯
英文
ferroelectric hysteresis-
The essential aspect of the mathematic model for inductor is the description of the hysteresis loops of the magnetic core material. the jiles - atherton ferromagnetic theory combined with the experience formula proposed by h. g. brachtendorf, c. eck and r. laur, was applied in this case. the model is more flexible than jiles - atherton ’ s, especially in the circuit model convert
本文採用了由h . g . brachtendorf 、 c . eck 、 r . laur提出的經驗公式與jiles - atherton鐵磁磁滯理論相結合的修改新數學模型，並將該模型轉換為等效電路模型模擬磁滯特性，實驗結果表明，該模型比jiles - atherton模型靈活，利於轉換為宏觀電路模型。The dissipative attenuation mechanism of the mn - zn ferrite that involved the natural resonance, the piezoelectric resonance and the magnetic hysteresis loss are also studied
本文還分析了錳鋅鐵氧體自然共振、磁滯損耗和疇壁共振等磁極化機制衰減吸收電磁波的各種機理。Within the framework of the tim ( transverse field model ), using the eft ( effective field theory ) and the mft ( mean field theory ), considering the long - range effects and the interfacial effect, we studied the transition properties of the ferroelectric thin film, pyroelectric coefficient and dielectric susceptibility and triple hysteresis loop of the ferroelectric bilayer structure theoretically
我們應用平均場、有效場等方法，在橫場伊辛模型框架內，考慮贗自旋間長程相互作用和界面效應，對鐵電薄膜、雙層薄膜的相變、熱釋電、介電，以及電滯回線等性質進行了較深入的研究。A fault current limiter using permanent magnets has been designed and its performance simulated using a twodimensional time - stepping finite - element method incorporating a model of hysteresis for hard magnetic materials
摘要按永久磁鐵設計製成的故障電流限制器，性能是靠含有硬磁材料的磁滯模型的2維時間分級有限元件方法獲得的。Based on the magnetic field data, this paper presents a double - frequency method to separate eddy current lossand hysteresis loss from iron loss, then different methods are used to calculate the two losses separately
在磁場計算所得數據的基礎上，本文提出了採用雙頻法分離出sr電機鐵損中的渦流損耗與磁滯損耗，並分別採用不同的方法計算出這兩種損耗。In the framework of the transverse ising model ( tim ), landau phase transition theory and the electrostatic field theory, we study the physical properties of the ferroelectric thin film, bilayer, sandwich structure, multilayer with a non - polarization slab and a two - dimension polar lattice model with polar defects. the main work and results are as follows : first, the long - range interaction in ferroelectric material is sometimes neglected in the previous studies. we introduce the long - range interaction in the framework of the tim and the landau theory
本文在橫場伊辛模型、朗道相變理論以及靜電場等理論的框架內，對鐵電薄膜、鐵電雙層膜、鐵電三明治結構以及含有雜質層的鐵電多層膜和含有偶極缺陷的二維偶極點陣系統等多層鐵電系統的相變、熱電、介電、電滯行為等物理性質進行了深入研究。We have developed the theory of boundary shielding approximation of electric polarization, from which the values of spontaneous polarization of some typical ferroelectric materials can be derived. the shielded charges in ferroelectricity are in the state of surface bound polaron - dipole whose creation and annihilation must span a potential barrier. by introducing statistical method, four types of typical electric hysteresis loops of some common crystals and ceramics have been given, which are well consistent with the experimental results
利用電極化的邊界屏蔽近似，可計算出一些典型鐵電單晶的自發極化強度.鐵電屏蔽電荷處于表面束縛極化子偶狀態，其產生和湮沒要跨越位壘.由統計方法給出的一些常見晶體和陶瓷的四種典型電滯回線形狀，和實驗觀察到的結果一致If the interfacial coupling of the ferroelectric bilayer is antiferroelectric, we find it is possible to exist triple hystersis loops once the parameters of the two slabs are selected appropriately
當鐵電雙層膜的界面耦合為反鐵電耦合時，發現在適當的材料厚度、反鐵電耦合強度、橫場和溫度的匹配下可以觀察到多態電滯回線。Fabrication and hysteresis loops property of pb1 - xsrx tio3 ferroelectric thin films
3鐵電薄膜電滯回線的測試分析Quasi - static test method for ferroelectric hysteresis loop in ferroelectric ceramics
鐵電陶瓷材料電滯回線的準靜態測試方法The effects of the thickness, the interfacial coupling constant and the temperature on the hysteresis of the bilayer are investigated
我們考察了薄膜厚度、界面耦合強度和溫度對鐵電雙層薄膜電滯回線的影響。The intrinsic hysteresis of a ferroelectric bilayer with an antiferroelectric interfacial coupling is studied within the framework of tim. we find it is possible to exist triple hysteresis loops once the parameters of the two slabs are selected appropriately
對反鐵電界面耦合的鐵電雙層結構薄膜的內稟電滯回線研究中，我們發現在適當的條件下，能出現多態電滯回線。Xrd, sem, temperature and frequency dependence of dielectric constant, and hysteresis loop were measured to investigate and study structure, microstructure, dielectric and ferroelectric properties of barium titanate dielectric ceramics
應用x光衍射譜、掃描電子顯微鏡、介電率的溫度與頻率依存關系以及電滯回線測量，調查和研究所制備的鈦酸鋇陶瓷的結構、微結構、介電和鐵電性質。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。The new proportional solenoid eliminates the zero dead - zone, and has advantages of high level of linearity, low hysteresis and low energy consumption
該雙向比例電磁鐵能夠有效消除零位死區，並具有良好的線性度、較小的滯環和較低的功耗。Core losses are caused by an alternating magnetic field in the core material, thie losses are a function of the operating frequency and the total magnetic flux swing, the total core losses are made up of three main components, hysteresis eddy current and residuallosses, these losses vary considerably from one magnetic material to a - nother, applications such as higher power and hither frequency switching regulators and rf designs require careful core selection to yield the highestinductor perfor - mance by keeping the core losses to a minimum
鐵損是由於在鐵芯中的變更磁場院所造成，這個損失與操作頻率及總流動的磁通量有關，總鐵損由三個成份組成，磁滯損，過流損及殘留損，這些損失因磁性材料不同而異，在如高功率切換調整器和rf的設計需要小心選擇鐵芯種類以降低鐵損使電感的表現最佳。The hysteresis time of the axial magnetic field in the structure without iron core when the current is at zero is shortest. after the iron core is put into, the hysteresis time will be increased greatly, but if iron core is slotted, the hysteresis time will be decreased
最後計算了電流過零時的縱向磁場滯后時間，無鐵芯結構縱向磁場滯后時間最短，加入鐵芯后滯后時間明顯增大，在鐵芯中開槽可使滯后時間縮短。Flood impact assessment reports for oilfields, railways, highways, mines, power plants, telecommunications installations and pipelines to be built within flood storage and detent ion areas should include flood control and flood evasion plans arranged by construction units themselves
在蓄滯洪區內建設的油田、鐵路、公路、礦山、電廠、電信設施和管道，其洪水影響評價報告應當包括建設單位自行安排的防洪避洪方案。分享友人