鐵磁共振 的英文怎麼說
中文拼音 [tiěcígòngzhèn]
鐵磁共振
英文
ferrimagnetism-
Test method for ferrimagnetic resonance linewidth and gyromagnetic ratio of nonmetallic magnetic materials
非金屬磁性材料鐵磁共振行距和回磁比測試方法Ndfeb magnet is mainly made of neodymium iron and boron, with excellent magnetic property abundant raw material and reasonable prices, ndfeb magnet can be used as an ideal magnet in mini - motor permanent magnetic resonance sound device magnetic suspension system, magnetic transmission machine and iatrical apparatus and etc. for ndfeb, its surface is usually treatd with some special methods. the surface treatment method include zine nickel tin silver gold plating phosphor and spray epoxy resin etc
其主要應用在微特電機、永磁儀表、電子工業、汽車工業、石油化工、核磁共振裝置、音響器材、磁懸浮系統、磁性傳動機構和磁療設備等方面。釹鐵硼磁鐵容易生銹、氧化，所以對釹鐵硼磁鐵，其表面通常需作電鍍處理，如鍍鋅、鎳、銀、金等，也可以做磷化處理或噴環氧樹脂來減慢其氧化速度。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。Moke and fmr studies were performed on epitaxial single crystalline fe ph. d thesis ; investigations of magnetic properties on magnetic thin, ultrathin and patterned films ultathin films on iii - v semiconductor inas substrate with thickness of 8 - 25monolayer ( ml ). the major findings are listed below : ( 1 ) the in - plane magnetic crystalline anisotropy of film with 8 - 25 ml thick are four - fold anisotropy, and the in - plane unixial anisotropy of fe / inas films decreses faster with thickness than that in fe / gaas films. it could be explained that the stain relaxation of fe / inas films is also faster than that in fe / gaas films as indicated by leed
對于外延生長在inas襯底上、厚度為8 - 25ml的超薄fe單晶膜進行了鐵磁共振和磁光研究，獲得以下幾點結果： （ 1 ）膜厚在8 - 25ml之間時，薄膜面內的磁晶各向異性為四度對稱各向異性，垂直單軸各向異性比同厚度的fe gaas系統小許多，而立方各向異性則比fe gaas系統更接近bcc結構的fe 。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。Moke and fmr studies were performed on single crystalline fe ultathin films epitaxially grown on iii - v semiconductor gaas substrate with thickness 4. 1 - 33 monolayer ( ml ). a theoretical mode for fitting fmr experimental data was established. the results demonstrated the structures and reproduced the evolution of the magnetic properties of ultrathin films with various thickness from the state of superparamagnetic nano - cluster through coexistence of two magnetic phases to continuous film, especially the change of magnetic crystalline anisotropy from unixial to cubic
1 - 33原子層厚度（ monolayer ，簡稱ml ）的fe單晶超薄膜進行了鐵磁共振（ fmr ）和磁光研究，建立了理論模型對鐵磁共振實驗結果進行了模擬，重現了不同厚度的超薄膜，從納米團簇到兩相共存的過度階段直至連續薄膜結構與磁性的變化，特別是磁各向異性從單軸各向異性向立方各向異性轉變的演化過程。This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer
用java編程語言編寫的曲線擬合模塊，對輸入的實驗數據進行了最小二乘法的曲線擬合；根據曲線擬合結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械振動形成的等效輸入阻抗，並由此輸入阻抗確定磁致伸縮換能器的諧振頻率及電氣模擬網路參數。本課題提出的方法與傳統的諧振?反諧振法相比，能更準確地確定磁致伸縮換能器的諧振頻率及其電氣網路參數。同時，採用當前比較先進的web技術，實現了基於jsp的磁致伸縮換能器web電氣模擬系統，該系統具有良好的人機界面和資源共享、信息發布功能。The filtering effect could be amplified by placing the ferromagnet in a resonant tunnel diode
若將鐵磁體放入共振穿隧二極體中，可以放大過濾效果。Spin - wave resonance in a symmetrical ferromagnetic bilayer films
兩層對稱鐵磁薄膜中的自旋波共振With heat treatment temperature increasing, the complex permittivity of w - type ferrite hollow microspheres decreased ; " firstly increased and then decreased, increased and there was an obvious resonance peak ; the complex permittivity ? of m - type ferrite hollow microspheres increased ; " increased, " was basically unchangeable
隨熱處理溫度的升高， w型鐵氧體空心微球的介電常數降低；磁導率實部先增加后減少，虛部增加並出現明顯的共振峰； m型鐵氧體空心微球的介電常數增加，磁導率實部增加，虛部變化不明顯。Resonant tunneling through quantum well states in ferromagnetic metallic films
鐵磁金屬量子阱態的共振隧穿Ndfeb magnet is mainly made of neodymium, iron and boron, with excellent magnetic property, abundant raw material and reasonable prices, ndfeb magnet can be used as an ideal magnet in mini - motor, permanent magnetic resonance, sound device magnetic suspension system, magnetic transmission machine and iatrical apparatus and etc. for ndfeb, its surface is usually treatd with some special methods. the surface treatment method include zine, nickel, tin, silver, gold plating, phosphor and spray epoxy resin etc
釹鐵硼永磁體以其優異的性能、豐富的原料、合理的價格正得以迅猛的發展和廣泛的應用。其主要應用在微特電機、永磁儀表、電子工業、汽車工業、石油化工、核磁共振裝置、音響器材、磁懸浮系統、磁性傳動機構和磁療設備等方面。分享友人