勻磁線 的英文怎麼說
中文拼音 [yúncíxiàn]
勻磁線
英文
unifluxor-
Induction heated oil tempered spring wire is a kind of new technical material which has been developed since 1980s. it can be heated by means of eddy induced into itself through electromagnetic coil and this method is mainly used in surface quenching. with correct designing and reasonable current frequency, induction coil and heat treatment process selected, as well as plc controlling applied, the wire can be uniform heated along cross - sectional and longitudinal direction and can be quenched and tempered continuously
應加熱油淬火-回火彈簧鋼絲,是二十世紀八十年代發展起來的新技術材料,在國外稱為itw induction heat oil tempered spring wire 。是通過線圈電磁感應鋼絲本身產生的渦流進行加熱,通常主要用於表面淬火。經正確設計,選擇電流頻率,合理的感應線圈及熱處理工藝,並實施plc控制,可使鋼絲整個截面及長度上得到均勻加熱,進行連續整體淬火和回火。This paper presents our research in actuating in - vivo micro - robot based on the capsule endoscope platform by the external power. while seeking secure driving method we take several factors into account, such as driving environment, power transmitting and consuming, motion requirement and controllability, and locating technique. we mainly deal with driving the capsule with spatial gradient magnetic field, so we employ combined electro - magnetic coils, including gradient coils and homogenous coils, which have rotational dof around a translatable patient bed, to compose a controllable uniform gradient which act on the permanent - magnet embedded robot, thereby get an appropriate spatial force and torque to fulfill the anticipant locomotion such as move, stop, pitch and yaw
基於驅動環境、能量供給和消耗、驅動動作要求及驅動安全性與可控性,定位方案等多方面考慮,尋求安全可靠的腸胃檢查微機器人的外部驅動控制方法,並著重研究直接利用外磁場磁力驅動微機器人:在微機器人內部嵌入永磁性體,利用體外的組合電磁線圈產生加載電流控制的驅動磁場,其中外部的電磁線圈由多組梯度線圈和勻場線圈組合構成,通過繞病床的旋轉以及病床的平移共同控制微機器人所在位置的磁場強度及梯度,作用於微機器人內嵌磁體以獲得空間意義上的必要驅動力和調整轉矩,從而有效地完成驅動動作要求。First, in virtual of identification of flaws is a typical of in - verse problems, proceeding from time - harmonic electromagnetic maxwell ' s equa - tion and helmholtz equation, the uniqueness and existence of direct scattering problems including the numerical algorithms of diverse of boundary conditions is given. second, the uniqueness and existence of inverse scattering problems and the theory of ill - posed integral equation are briefly looked back upon. finally, indicator function method for boundary identification is set up under all kinds of boundary conditions for inverse scattering of homogenous and inhomogenous objects, meanwhile, the proof of possibility for near - field measurements and nu - merical simulation are given
由於缺陷的識別是一類典型的反問題,因而首先從時諧電磁maxwell方程和helmholz方程出發,具體地闡述了求解正散射問題的有關方法,包括各種(夾雜)邊界條件下的數值解法,就解的存在性唯一性給予了肯定的回答;隨后對逆散射問題的理論作了簡短的回顧,包括解的唯一性以及非線性不適定積分方程的處理等;然後對均勻介質和非均勻介質的逆散射問題建立了在各種邊界條件下的邊界識別的指示函數方法,鑒于近場數據獲得的重要性,對近場測試時邊界識別的方法給予了相應的證明,並且實現了數值模擬。By associating the spin vector of the inhomogeneous generalized heisenberg ferromagnet with the binormal to a moving curve in minkowski space, the corresponding equivalent coupled inhomogeneous integrable equation is present
通過將非均勻推廣的海森堡鐵磁鏈的自旋矢量取為閔可夫斯基空間中曲線的次法矢量,得到相應的耦合的非均勻可積方程。Abstract : degree of homogeneity is introduced, thereafter the magnetic field of helmholtz coil is studied, and the best conditions of this coil is investigated by computer
文摘:引入磁場均勻度的概念,對亥姆霍茲線圈磁場的均勻性進行了定量分析,並通過計算機模擬,得出了同一精度下,形成亥姆霍茲線圈均勻磁場的最佳條件Further more, the removal of the degeneracy of the hydrogen atom is discussed, mainly studying the hydrogen atom in two orthogonal non - uniform electric fields and in high uniform magnetic field
本文還對氫原子能級簡並解除進行了探討,主要是研究了處在正交線性非均勻電場中的氫原子以及處在均勻高強度磁場( b 10 ~ 6t )中的氫原子。The integral method is adopted caculate and analyze to amf three - dimension distruction which is the structure of coil type four - pole and the structure of coil type double - pole and study the size of two kind of electrode structure axial magnetic flux density distribution and its fielduniformity. the finite - element method is used simulate that eddy current has effect on amf when contact tray of douple - pole amf structure is slotted or no
本文採用積分方法對本文設計的線圈式兩極縱向磁場觸頭結構和線圈式四級縱向磁場觸頭結構的縱向磁場三維分佈進行了計算分析。研究了電弧燃燒期間兩種觸頭結構縱向磁場強度的大小、均勻性,利用有限元法模擬線圈式兩極縱向磁場觸頭結構的觸頭盤開槽和不開槽時渦流對縱向磁場的影響。The vector magnetic potential of a system consisting a line electric current and an infinite long magnetic dielectric column is calculated with the method of separation of variables and method of images, it is pionted out that the vector magnetic potential of a system consisting a line electric current and a magnetic dielectric plane, an ideal paramagnetic column, a superconductor column, and a line electric current in homogeneous magnetic field can all be deduced from our calculation
摘要用鏡象電流法和分離變量法計算了線電流與無限長磁介質圓柱系統的磁矢勢,指出線電流與無限大磁介質分界平面、線電流與超導體圓柱、均勻外磁場中有磁介質圓柱系統時的磁矢勢都可以由線電流與磁介質圓柱系統的磁矢勢的極限情形給出。For the external - magnetic field mid, the cathode with improved structure works as a " close " magnetic coil that effectively increases the continuity and uniformity of magnetic field, and then ensures the stability of dense anode plasma formation
對于外磁絕緣離子二極體,改進的陰極形成單匝「閉環」磁場線圈,有效地提高了磁場的連續性和均勻性,保證了稠密陽極等離子體的穩定形成。The series of vibrating feeder machines belong to the transnational vibrating type, with the character of equated vibrating, reliable operation and lifelong working, vibrating feeding machines they can serer for the rock crushers, supplying continual and even feeding, meanwhile starting the coarse sieving for the materials, vibrating feeding machines they can be widely used in rock crushers, sieving and combined with other equipments for materials selection, construction, silicate mineral and chemical industry. enclosed vibrating conveyers. vibrating feed machines
電磁振動給料機-本公司生產的給料機系列系直線振動給料機或圓振槽式給料機,電磁振動給料機具有振動平衡工作可靠壽命長等特點,電磁振動給料機可為破碎機械連續,均勻喂料,電磁振動給料機對物料進行粗篩分,電磁振動給料機廣泛應用於選礦建材硅酸鹽和化學工業中的破碎篩分聯合設備中。An emigration operator is designed to preserve the diversity and to smooth the pareto front. the approaches such as the fitness sharing, the clustering method, and the elitism strategy are also improved and extended in this paper
通過兩個典型算例的驗證,可以看出,本方法很好地防止了早熟現象,得到了均勻、平滑的pareto曲線,可以實際運用於復雜的電磁裝置優化設計中。Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system
該系統可通過沉積參數的精確控制,以控制沉積過程,減少金剛石膜生長過程中的缺陷,並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程;利用微波對材料的選擇加熱特性,通過構造等效方程,並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中,建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型,為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備,並對基片加熱材料進行了設計和優選,以獲取大面積均勻的溫度場區,甚至獲得大於基片臺尺寸的均勻溫度區;作為研究重點之一,開展了微波等離體化學氣相沉積金剛石的成核與生長研究,系統地研究了在( 100 )單晶硅基片上mpcvd沉積金剛石膜的實驗過程中,基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響,分別用raman光譜、 x射線衍射( xrd ) 、掃描電鏡( sem ) 、紅外透射光譜( ir ) 、原子力顯微鏡( afm )對薄膜進行了表徵,確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。In order to obtain the tolerance requirement for the magnetic field homogeneity of the solenoids in electron cooling device, the source of the magnetic imperfection and its influence on the transverse temperature of electron beam were investigated by means of numerical simulation, and taking the space charge effect of electron beam into account
摘要分析了直螺線管磁場缺陷的來源,考慮了電子束的空間電荷作用,採用數值方法模擬計算了磁場缺陷對電子束橫向溫度的影響,獲得了電子冷卻裝置中直螺線管磁場的均勻性要求。Study on motion of the constrained current - carrying wire in no uniform magnetic field
受約束載流導線在非均勻磁場中的運動研究According to the radar - absorbing model, the performance of rams of various absorber - volume - percentage with various frequency and the radar obsorbing performance of which in various thickness is predicted. according to the radar - absorbing model, the prerequisites of microwave electromagnetic parameters and the border curves for a single - layer homogeneous absorbing coating backed by a perfectly conducting plate to produce zero specular reflection are obtained by the steffensen speedup approach to solve the complex transcendental equation
以吸波模型為依據,用計算機求解了單層均勻各向同性吸波材料的阻抗匹配條件,通過數值模擬得到了吸波材料阻抗匹配時電磁參數邊界曲線的數值模擬等式和阻抗不匹配時寬帶吸波材料電磁參數的合理搭配規則和頻散特性。Through the wire rope fatigue test, for the first time this dissertation investigated the law of the axial mfl changes of wire rope. the results showed the axial magnetic permeability of the reciprocating and rectilinear part of wire rope gradually increases and its distribution tends evenness. but that of the glide wheel bending part gradually decreases and its distribution tends to unevenness
通過鋼絲繩的疲勞實驗,本文首次研究了鋼絲繩彎曲疲勞歷程中周向漏磁通的變化規律,發現鋼絲繩的直線往復段軸向磁導率逐漸增加,且分佈趨向均勻一致,而位於滑輪彎曲段鋼絲繩軸向磁導率逐漸減小,分佈趨向不均勻。First, the 2 - d model for analyzing is provided. according to the theory of ward, the field of electrical magnetism is formed under the base of linearization. then the field model in reality will be formed if the one without fault is added
其主要的條件是在模型線性化的基礎上,根據ward理論,把短路線匝的磁場分析出來,再把它與正常情況下的均勻磁場相合成,從而形成對應的分析模型。The design of lower - order tabulate shim coils for mri system
磁共振成像系統中低階平板式勻場線圈的設計The analytic result shows the higher fieldunification is produced between contact gap by the coil type double - pole amf contact structure, and its intension is over 2 times than quadrupolar contact structure when they are in same current
分析結果表明,這種線圈式兩極縱向磁場觸頭結構在觸頭間隙上產生的縱向磁場分佈均勻程度較高,強度要比線圈式四極觸頭結構同等電流下大兩倍。4. finally, the investigation of wave propagation characteristic in round waveguide filled uniformity plasma periodically magnetized is done, by numerical calculation, to analyze the effect on the propagation characteristic when additional magnetic field amplitude, background magnetic field and plasma density change
4 .研究了電磁波在填充周期磁化均勻等離子體金屬圓波導中的傳輸特性,推導出該周期慢波結構的色散方程,通過數值計算,繪出了色散曲線圖分享友人