振動磁體 的英文怎麼說
中文拼音 [zhèndòngcítǐ]
振動磁體
英文
oscillating magnet-
Electromagnet fluid damping galvanometer
電磁液體阻尼振動子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。The traditional recorders from early disc and recording tape to video tape, vcd, dvd, etc have many defects like disrecovery, non - environment - protection, vibration fear, big volume and undivided link of disc head, motor and disc
影音播放從最早聽音樂的唱片、錄音帶,到后來的影音磁帶、 vcd 、 dvd等,這些產品都存在不可回收、不環保、怕振動、體積大,離不開讀頭、電機馬達和盤片等多方面的缺點。Electron gun is the foremost parts of twt, it can produce electron beam with a certain shape and current, in order to guarantee the reliability and security of work, it ’ s design have to meet to the requirement not only of electric parameter, but also all kinds of subsidiary characteristics such as filament pyrogenation efficiency, warm up time, shape size, pole space capacitance and the ability to be able to bear the press and all kinds of rigorous run conditions such as high temperature, high humidity, low air pressure, strong vibration and great strike
由於行波管的大功率和高頻率等特性,目前還沒有任何其他的器件可以代替。行波管是應用高頻電磁場與電子注進行互作用的機理進行工作的,而電子槍是行波管中產生電子注並使它成型的基本部件,電子槍的結構設計決定了槍體自身必須具有良好的抗振可靠性,否則結構發生共振或振動位移過量,就會導致行波管的失效。因此對行波管電子槍的研究具有非常重要的意義。Increases in magnetic field frequency decreases the capability of the dis - type mr fluid damper to reduce rotor vibration
隨著磁場頻率的增大,盤型磁流變流體阻尼器抑制轉子振動的能力減小。Mainly responsible for supervising and inspecting the carrying out and implementation of national or local environmental protection policy, rule of laws and regulations and standard, make and organize implementation of the environmental protection plans of the whole city, responsible for the protection of water body, atmosphere, soil environment in the whole city, supervise and manage the prevention and control of pollution such as wasted water, liquid waste, offal noise, vibration, poisonous chemicals and electromagnetic wave radiation, responsible for supervising the law - enforcing work in environment
主要負責監督檢查國家和地方環境保護方針、政策、法律、法規規章及標準的貫徹實施,制定並組織實施全市環境保護規劃、計劃、負責全市水體、大氣、土壤環境的保護,監督管理廢水、固廢廢棄物噪聲、振動、有毒化學品以及電磁波輻射等污染的防治工作,負責環境監督執法工作。Afm measurement indicates that the surface roughness of films is different with difference of fe content, and the films all represent self - assembly phenomenon. the results of the magnetic properties measurement reveal that in the assputtered films, the more fe content in the film, the higher the magnetic properties of the film
利用振動樣品磁強計測量不同cu - fe過飽和固溶體薄膜的磁性能,結合eds及xrf對薄膜成分標定的結果,表明沉積態薄膜的磁性能隨薄膜中的fe含量的增加而增強。The phase structure of different cu - fe thin films were studied by using grazing incidence x - ray analysis ( gixa ). the texture and residual stress of different cu - fe thin films were measured by scan of x - ray diffraction ( xrd ) and 2 scan with different. the thicknesses of different thin films were characterized by means of small angle x - ray scattering ( saxs ) technique. by using atomic force microscope ( afm ) measured surface roughness of thin films. the component of different thin film was characterized by energy disperse spectrum ( eds ) and x - ray fluorescence ( xrf ). the magnetic properties of cu - fe thin films were measured by means of vibrating sample magnetometer ( vsm ). in addition, the giant magnetoresistance ( gmr ) effects of different films were also measured. the original resistance of the film fabricated by a direction - current magnetron sputtering system is directly affected by bias voltage
利用掠入射x射線分析( gixa )技術對不同cu - fe薄膜的相結構進行了研究;利用xrd掃描及不同角度的2掃描對薄膜進行了結晶織構及殘余應力分析;運用小角x射線散射( saxs )技術測量了薄膜的厚度;採用原子力顯微鏡( afm )觀察了薄膜的表面形貌;運用能量損失譜( eds )及x射線熒光光譜( xrf )對薄膜進行了成分標定;使用振動樣品磁強計測量了不同cu - fe過飽和固溶體薄膜的磁性能;最後利用自製的磁阻性能測試設備測量了真空磁場熱處理前後不同薄膜的巨磁阻值。Methods utilize magnetic resonance - mud logging ( mr - ml ) technology to rapidly and accurately analyze such parameters of cuttings, core and sidewall core as porosity, permeability, ffi, bvi and oil saturation, etc
方法利用磁共振錄井技術在鉆井現場快速、準確地分析巖屑、巖心及井壁取心的孔隙度、滲透率、可動流體飽和度、束縛流體飽和度及含油飽和度等參數。As the principal materials which are used as the high magnetic of hdd of computer mri and ct magnetic field hang float the railroad train motor of sound circle astro - airshop sound circle and engine etc. and the resposition hydrogen of the metal alloy manufacturing motive battery, these products are regarded as the new material industrial products in high scientific and technological circles
等多種稀土金屬及合金產品,純度范圍99 - 99 . 9 % 。它們是當今世界認定的高科技領域新材料工業產品,是計算機磁盤驅動器的音圈電機vcm核磁共振成像儀mri磁懸浮列車航天飛船音圈馬達電機等所用高能磁體以及製造動力電池所用儲氫合金的主要材料。According to faraday law on electromagnetic induction and the difference of the magnetic energy of ferromagnetic materials in their magnetization and demagnetization, it is clarified that the swing, vibration and periodic translational reciprocation of any object made of ferromagnetic material in geomagnetic field must cause spontaneous magnetization of the object itself
摘要依據法拉第電磁感應定律和鐵磁性物質在磁化一退磁過程中的能量差異,闡明了鐵磁性物體在地磁場中的擺動、振動和周期性往復平動都會引起該物體的自發磁化。This paper introduces the hardware and firmware design of the mri table jig by avr microcomputer control. also describes the precise control of table motion on lateral and longitude directions
摘要介紹了由avr單片機實現的核磁共振儀床體檢測系統的硬存與軟體設計,深入分析和研究了床體橫向運動和縱向運動的精確控制問題。Edri has successively take on about 1900 project of design, consultation, supervision and lump - sum project, has accumulated professional technological superiority in large area, high level classifying air - condition system, ultra pure industry gas system, ultra pure water system, automatic control system, data communication system and static prevent, vibration prevent, electromagnetic pollution control which required by large - scale integrate circuit, optical fiber cable, pharmaceutical project and electronic project, etc
Edri先後承擔了設計咨詢監理總承包工程近1900多項,對大規模集成電路光纖光纜生物製品電子工程等高新技術產品生產環境所需要的大面積高級別凈化空調系統高純工業氣體系統超純水系統自動控制系統數據通信系統以及防靜電防微振電磁環境污染控制等方面的設計具有獨特的專長。The evolution of the local spin in a molecular magnet peg and [ mn4 ] 2 interacting with an injected electron is studied, we find that the variation in the magnetization of fe8, [ mn4 ] 2 and the electron spin crucially depends on the strength of the exchange interaction. we calculate the time evolution of the entanglement between the injected electron and fe8, [ mn4 ] 2
在磁性分子fe _ 8和[ mn4 ] _ 2的自旋動力學和糾纏演化的研究中,我們發現糾纏度隨著時間而改變;自旋和糾纏度的振動幅度強烈依靠于交換作用,結果提供了用分子磁體和極化電子進行編碼和讀出數據的可能性。In this thesis, the author combined the theory analysis and the finite elements analysis to study the vibration performance of the elastic arm. found the natural frequencies and the modal shapes of the elastic arm of 1 inch hdd around the working frequencies
本文通過理論分析和軟體模擬相結合的方法,對微硬盤磁頭彈性臂的振動特性進行了研究,找到了一英寸微硬盤磁頭彈性臂在工作頻率附近的固有頻率和模態振型。It can perform tests on anything that contains vibrational information on the human body, including hair, blood and urine
任何來自人體且具有振動磁波的物質,像毛發血液尿液等都可以用來做測試分析。Based on the shear theory of newtonian viscous liquid, the fusible damp coefficient is established for electromagnetism dynamic polymer extruder screw ' s axial vibration system
摘要對聚合物電磁動態塑化擠出機螺桿軸向振動系統,根據牛頓型粘性流體的剪切理論,確定了聚合物熔體的阻尼系統。The effects of dynamic vibration field on the mechanical properties and magnetic performance of ferrite bonded magnet
振動力場對鐵氧體粘結磁體力學性能和磁性能的影響With its excellent magnetic property, abundant raw material and reasonable prices, rare - earth permanent magnet can be used as an ideal magnet in mini - motor, permanent - magnet instrument, electronic industry, auto industry, petro - chemical industry, nuclear magnetic resonance, sound device, magnetic suspension system, magnetic transmission machine and magnetotherapy apparatus etc
稀土永磁體及元器件以其優異的性能,豐富的原料,合理的價格,正在得以迅速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。Then the author gives emphasis to the analysis of the elastic arm in microdrive, builds the simplified continuous model, analyzes the model with vibration theory. the natural frequencies and modal shapes are deduced. the author builds discretized models of a few structures of the elastic arm, simulates the influences of the structure with ansys software
接下來,重點對微硬盤磁頭彈性臂進行了分析,建立了簡化的連續系統模型,並用振動理論來分析該系統,求取其固有頻率和模態振型,並對微硬盤磁頭彈性臂的幾種結構進行了離散化建模,分析了這些結構對整體特性的影響,並用ansys有限元軟體進行了模擬。分享友人