磁力分選 的英文怎麼說
中文拼音 [cílìfēnxuǎn]
磁力分選
英文
magnetic sorting- 磁 : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 選 : Ⅰ動詞1. (挑選) select; choose; pick 2. (選舉) elect Ⅱ名詞(挑選出來編在一起的作品) selections; anthology
- 磁力 : [物理學] magnetic force; force on charge
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And the interfaces have analog input, analog output and digital input / output. we have used differently cards, such as pc - 6330d a / d card, pcl - 728 d / a card based isa bus, ipc - 5375 i / o card and so on. in addition, we select micro - stir switches and pressure sensors as sensor elements to inspect the system and choose relays and induction valves to control the bicycle pump and the motor
總線採用isa內部總線;介面主要有模擬量輸入介面、模擬量輸出介面、開關量輸入輸出介面等,課題分別選用pc - 6330d型a d板卡、基於isa總線的型號為pcl - 728的d a板卡、型號為ipc - 5375的i o板卡;另外,課題選用了微動式行程開關、壓力變送器作為傳感元件檢測系統,選用繼電器、電磁控制換向閥實現對氣缸、電機的控制;採用vc + + 6 . 0編制控制軟體,實現了纖維鋪放技術的計算機控制。Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect
在實際設計實現中,為提高系統軟、硬體整體穩定性和可靠性,使用了以下幾種方法: ( 1 )低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術; ( 2 )多層pcb設計,線路板結構緊湊,電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電; ( 3 )選用表面貼和bga封裝的器件; ( 4 )按照軟體工程的要求進行系統分析,規劃系統框圖、流程分析、模塊劃分,減小了不同模塊的相關性,從而最大限度避免了錯誤的發生。Our leading products are : ball mill, superfine agitating mill, vacuum plaster agitator, slip agitator, pressure - glazing tank, shower - dedust glazing booth, vibration sieve, leakage tester for water - closet, blast heater, rapid dispersion machine, magnetic separator, base - wipe machine, electric diaphragm pump and the vertical casting unit for medium and top grade of one - piece water - closet and close - coupled water closet, wash basin, pedestal, low level cistern and sink
公司主導產品有球磨機、超細攪拌磨、真空石膏攪拌機、泥釉漿攪拌機、釉漿壓力罐、水浴噴釉廚、旋振篩、座便器漏水檢驗機、熱風爐、座便器彎管施釉機、高速分散機、磁選機、擦坯機、電動隔膜泵及生產中高檔衛生潔具的洗面器、分體座便、聯體座便、面具柱、低水箱洗滌槽等立澆成型機。Many mature technologies on this level have been brought out, such as the relational algebra law, the improved logical query plan, the cost estimation of operation, the selective plan based on cost and order of joint, etc. although many methods have been tried out, no remarkable result or noteworthy technology has come to reality because of complexity of data decomposition and network effects
例如,從物理查詢計劃的底層磁盤輸入輸出到語法分析階段的語法分析樹、用於改進查詢計劃的代數定律、邏輯查詢計劃的改進,以及操作代價的估計、基於代價的計劃和連接順序的選擇等全過程,都進行了不懈的努力。在這方面的研究已經非常成熟。This thesis chooses b spline wavelet that adapts to the analysis of power system signal, and uses the wavelet transformer to analyze the magnetizing inrush current and inner fault current. a transformer microcomputer protection was designed in this thesis, and in the base of intermission angle principle, a new criterion was established, which pierces through the traditional method with accurate measurement of intermission angle, but analyses the wave by wavelet transform. this criterion is lower in hardware, so it will be realized in the existing hardware
本文選擇適合電力系統信號分析的b樣條函數作為母小波,對勵磁涌流和內部故障電流進行小波分析,並設計微機型變壓器保護基本配置,在以往間斷角原理鑒別勵磁涌流的基礎上,突破傳統精確測量勵磁涌流間斷角的方法,直接對信號小波變換后的波形進行分析,建立一個新的鑒別勵磁涌流判據,該判據對硬體要求不高,可以在現有一般硬體平臺上實現;並編寫以b樣條函數為母小波的小波變換判據演算法程序。In view of the fact that there is often a gradient in the external magnetic field in true magnetic separation equipment, and its direction is often not identical with that of magnetic field, a formula of the magnetic force exerting on the magnetic particles is deduced and the factors influencing the magnetic force are analysed
考慮實際磁選設備中外部磁場常有梯度,並且磁場梯度方向常與磁場方向不一致的情況,推導出了磁性礦粒所受磁力公式,分析了影響磁力的因素。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 the simulation experiment, the whole system model is founded by the software matlab / simulink. using the stator active power computed from the maximal output power of the wind turbine as the reference value of vector control system, the result of experiment approves that the control strategy is true. not only the frequency of stator current is constant, but the control of stator active and reactive are decoupled, and the output power tracks the maximal power of wind turbine
在最後的模擬實驗中,本文利用matlab軟體建立了系統各部分的模擬模型,選用與風力機最大輸出功率對應的定子有功功率作為矢量控制的參考值做了模擬實驗,並給出了模擬結果,驗證了定子磁鏈定向矢量控制策略的正確性:既保證了定子輸出頻率的恆定,又達到了有功功率無功功率獨立解耦控制的目的,同時還較好地跟蹤了風力機的最大功率輸出。In this paper, the dynamic characteristics associated with the high - speed maglev vehicle and guideway coupling system has been studied. two issues are discussed : one is the asymptotic stability of the system and the other is the coupling vibration characteristic. the basic relation between the control, structure and coupling parameters is studied emphatically to trace the rule of the vibration and to give help for the design of guideway, vehicle structures and controller
本文選擇高速磁浮列車系統懸浮方向的車軌耦合動力學特性作為研究對象,分析車軌耦合動力學的兩個基本問題:系統漸近穩定性和車軌耦合振動特性,重點研究控制、結構和各種耦合參數與這兩項系統特性的關系,目的在於尋找車軌耦合振動的規律,為軌道、車輛結構和控制器設計提供參考。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 cassettes contain listening material carefully chosen to reflect the reality of the exam in terms of timing, format and the types of speaker and accent used
本書磁帶包含聽力部分的錄音資料,這些資料選材經典,從時間安排。組織形式、說話者的類型和語調上反映測試的真實效果。The characteristics of the secondary magnetic field induced by the strongly magnetic chain in low intensity field are described and the value of the secondary magnetic field is calculated. the order of magnitude of the magnetic field on the end surface of the magnetic chain made of magnetic minerals in real separation and the effective distance of the secondary magnetic field are estimated
介紹了強磁性磁鏈在弱磁場條件下產生二次磁場的特性,計算出磁鏈的二次磁場值,估算了實際分選時由磁鐵礦物構成的磁鏈在端面處的磁場力量級以及磁鏈的二次磁場有效作用距離。It achieves the electrical measurement of no - electricity ( especially displacement ) through the variation of self - inductance of or mutual inductance of coil. inductive micrometer, with a low cost, high - resolution power, long life and high reliability, has been applied to the measurement of micro - displacement for a long time. it is common that the inductive micrometer is chosen as a preferred instrument in high - precision micro - displacement test
電感微位移傳感器是一種建立在電磁感應基礎上,利用線圈的自感或互感系數的改變來實現非電量(主要是位移)測量的低成本、高精度測量儀,因為其分辨力高、使用壽命長、工作性能穩定,應用於微位移測量己經有很長的歷史,進行高精度微位移測量時選用電感位移傳感器已經成為一種共識。Remarkably, the temperature must be limited between softening point and solidification value, at which the bond can get perfect fluidity and stickiness. effects of bond content and pressure on magnet product during heating - pressing process are the same with effects during common - pressing process. fourthly, it is more than 250 hours before magnet is eroded when it is coated with lacquer by way of cathode electrophoresis
溫度對溫壓效果影響明顯,應當選擇在粘結劑軟化點以上、固化反應前的某一點,保證粘結劑具有適當的粘度和良好的流動性;與普通壓制工藝相同,溫壓工藝制備的粘結磁體密度和磁性能均隨壓制壓力的增大而提高,磁體性能和磁粉體積分數隨粘結劑含量變化的規律一致。Basic structural parameters of magnetic bearings are analyzed and principles of selecting these parameters are introduced. basic characters of magnetic bearings are analyzed, including static working point, the largest magnetic force and power losses etc. assigning maximal magnetic force as objective function, the optimal design of radial magnetic bearing in magnetic levitated hard disk drive is completed, and the results of optimal design are presented
對磁力軸承的基本結構參數進行了分析,闡述了這些參數的選用原則;對磁力軸承的幾個基本特性進行了分析,包括靜態工作點、最大承載力、功率損耗等;以最大承載力為目標對磁懸浮硬盤的徑向軸承進行了結構優化設計,並對優化結果進行了分析。分享友人