磁選分離 的英文怎麼說

中文拼音 [xuǎnfēn]
磁選分離 英文
magnetic separating
  • : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
  • : 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
  • : 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
  • : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
  1. For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions

    針對反電動勢類似正弦的準正弦波反電動勢無刷直流電動機,本文提出一種基於六個散位置信號的自同步svpwm (電壓空間矢量法)控制方法,用以削弱電轉矩脈動,析了實現這種方法的主要控制環節,包括起動時電壓空間矢量的初始定位,阻抗角與電流超前角的合理擇以及連續轉子位置的估計等。
  2. This program can be used to calculate continuous enclosure type isolated - phase bus of different volt and current conveniently. secondly, it calculates a series of rational continuous enclosure type isolated - phase bus for the external diameter of the enclosure is 900mm, analyzes and calculates the magnetic fields of the continuous enclosure type isolated - phase bus by using limited unit method. from this it acquires the distributions of magnetic fields and magnetic density as well as the eddy current

    其次,以全連相封閉母線外殼外徑為900mm的情況進行了理論計算,計算了多種預方案,採用有限元方法對全連相封閉母線場域的電場進行了數值計算,得出了設計母線的電場及電密佈以及渦流等情況,並對所得結果進行了析。
  3. 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析等子體的可見光光譜以監測微波等體化學氣相沉積過程;利用微波對材料的擇加熱特性,通過構造等效方程,並首次將電場攝動理論引入到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,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,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。
  4. It is concluded that the screen separation is better than magnetic separation since the magnetic material amount in non - magnetic material is decreased slightly and the quantity of vanadium - bearing slag wrapped into the magnetic material is greatly reduced

    試驗結果表明,篩所得非性物中的性物含量有所降低,而且性物中夾帶的釩渣量大大減少。
  5. 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

    介紹了強鏈在弱場條件下產生二次場的特性,計算出鏈的二次場值,估算了實際時由鐵礦物構成的鏈在端面處的場力量級以及鏈的二次場有效作用距
  6. Atoms of the film by dc reactive magnetron with pt sputtered tend to plane ordinal structure. molecules of the the film by sol - gel with pt sputtered tend to be surface center structure as wo6. as results of ft - ir, the characteristic oscillation of the tungsten oxide sol - gel film with pdcl2 catalyst is more distinct with the higher temperature at the wave band

    這兩種方法結合制備的三氧化鎢摻雜薄膜中溶膠摻鉑樣品綜合了溶膠凝膠法與直流控濺射法的優點,其薄膜疏鬆多孔,充快速響應了鉑催化劑化的氫,具有良好的氫敏性能,是制備氫氣傳感器薄膜的首方法。
  7. The industrial test of stage grinding, gravity separation - high intensity magnetic separation and anionic reverse flotation technology in co. 1 workshop of qidashan concentrator is described and its comparision with the original flowsheet and the analysis are made. the effort that should be made in the flowsheet transformation under the existing conditions is suggested

    介紹了齊大山礦廠一車間階段磨礦、重-強-陰子反浮工藝工業試驗情況,並與原流程進行了對比和析,指出了在現有條件下進行流程改造應加強的工作。
  8. Isolation and purification of mesenchymal stem cells of mice with immunomagnetic beads negative selection technique

    應用免疫珠負與純化小鼠骨髓間充質幹細胞
  9. Technology of supercoducting magnetic separation in mineral and environmental processing

    礦和環境處理中的超導工藝
  10. A great deal of attention has been paid to the preparation and characterization of one - dimensional nanostructrue. these materials have significant potential applications in many important advanced technologies, such as solar energy conversion, chemical sensor, catalysis, absorption and separation, and they also have some novel electrical, optical, magnetic and chemical properties. in this thesis, several new kinds of nanowires were prepared by the template technique using electrochemical methods

    一維納米材料具有一些新奇的電學、光學、學和化學性質,在太陽能電池、傳感器、催化劑、吸附劑和等諸多重要技術領域有著廣泛的應用前景,因此,一維納米材料的制備與研究在現代材料科學的研究中占據著非常重要的地位,是材料科學的前沿領域,也處在納米材料研究的前沿。
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