選擇磁鐵 的英文怎麼說

中文拼音 [xuǎnzháicítiě]
選擇磁鐵 英文
select magnet
  • 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
  • 擇 : 擇動詞（挑選） select; pick; choose
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 鐵 : Ⅰ名詞1 （金屬元素） iron （fe） 2 （指刀槍等） arms; weapon 3 （姓氏） a surname Ⅱ形容詞1 （形容...
  • 選擇 : select; choose; opt; election; choice; culling; alternative
  • 磁鐵 : [物理學] magnet; ferromagnet; magnetic-iron
  1. The absorption that makes tumour cell alternative, and normal organization is not damaged to be like therapeutics of therapeutics of medical phototherapy law, hormone, magnet

    使瘤細胞選擇性的吸收，而正常組織不受損傷如藥光療法、激素療法、磁鐵療法。
  2. The raw materials, the composition, the time of milling, the calcining temperature, the different additives, the sintering temperature and the sintering parameters were investigated. the result showed : it was advantaged to obtain high initial permeability mnzn ferrite with stable frequency characteristic using high - purity raw materials ; in order to obtain mnzn ferrite with high properties, we must control strictly the composition ; it could improve the properties of mnzn ferrite by optimizing calcining temperature. the lower calcining temperature made the permeability higher, and the higher calcining temperature could promote the frequency characteristic of permeability ; we chosen the right time of milling according to the requirement of power diameter ; in order to improve the properties of mnzn ferrite, it is necessary to add effective additives. in this dissertation, the influence of bi2o3 、 moo3 、 k2co3 、 co2o3 were investigated ; the sintering temperature, the time of heat - retaining and sintering parameters were the key factors of preparing high permeability mnzn ferrites

    研究結果表明:採用高純度的fe2o3有利於獲得高起始磁導率且頻率特性優良的鐵氧體;為了制備所需性能的鐵氧體，需要嚴格控制配方中各種原材料的含量，優化配方;由於粉體活性受預燒條件的影響，所以對不同要求的鐵氧體選擇的預燒條件就不一樣，適當降低預燒溫度有利於獲得較高的起始磁導率，而為了獲得良好的頻率特性可以適當地提高預燒溫度;根據對粉體顆粒粒徑的不同需求，可以選擇不同的球磨時間;而有效的添加劑是改善材料性能的必要條件，本文在添加劑的研究中主要對bi2o3 、 moo3 、 k2co3 、 co2o3的影響分別作了詳細地討論;燒結溫度、保溫時間和燒結氣氛是高磁導率mnzn鐵氧體制備最關鍵的工藝，適宜的燒結工藝可以獲得理想微結構和組成，從而得到高性能的鐵氧體材料;而從材料的微結構上來看，要提高材料的截止頻率，就要適當地細化晶粒、增加晶粒內部的氣孔。
  3. According to work situation, we select double crawler movement and permanent magnetic adsorption for the robot

    根據工作的環境與特點選擇了雙履帶、永磁鐵吸附方式的總體結構。
  4. Combining the character of heiyingshan ' s lean iron ore and the experiences of hematite dressing home and abroad and locale character that located in the center of gobi desert and lacking electricity and fresh water, we have finished three ways of trial studying which are the magnetic ore dressing, lump dry - magnetic dressing and magnetic - gravity ore dressing

    根據黑鷹山礦貧鐵礦石性質和國內外紅鐵礦選礦實踐，結合黑鷹山礦現場地處戈壁沙漠、缺電少水特點，選擇全磁選方案、塊礦干選-磁選方案及磁選-重選方案進行選礦試驗研究，針對選礦試驗情況對中磁?強磁（一粗一精）選礦流程進行了擴大試驗。
  5. Firstly, considering the molecular pump is small and the elimination of heat condition is bad, this paper presents the structure of the mb, including the material of the rotor and stator, the number of magnetic poles, the stator slot shape of mb, the layout of the magnetic poles, the coins winding and so on

    首先綜合考慮了分子泵體積小、磁軸承散熱條件不好的特點，設計了分子泵磁懸浮軸承的結構，選擇了軸承鐵芯的材料，設計了磁極的布置、槽的形狀、磁極數目和線圈纏繞方式。
  6. This system included method of solid medium plate enveloped with parafilm to form colony, conjugational gene transfer in a selective medium, screening the nonmagnetic mutants by magnet adsorption technique

    此體系包括：以平板封膜培養技術獲得單菌落，在選擇性培養液中進行遺傳因子接合轉移，以液體培養和磁鐵吸附技術篩選突變子。
  7. 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。
  8. Alpha - magnet, the beam energy choosing and pulse width compressing element, is a key part of the injector. it plays an important role in 30mev linac system

    -磁鐵的功能是束流電子能量選擇和脈沖寬度壓縮，在30mevlinac系統中起著非常重要的作用。
  9. 1. nizn ferrite was developed for using in mini high frequency dc - dc converters and inductors. we measured and analysed the parameters of the nizn ferrite, which we concern about when designing the dc - dc converter. 2. the low loss sample of nizn ferrite were chosen for design - optimization of the high frequency transformer. based on the relevant theoretical researches, the loss properties of the magnetic core material and winding were analyzed in this thesis

    因此，以nizn功率鐵氧體材料為開關電源芯材為基礎，並優化各種開關電源的設計已成為國際上的熱點和技術瓶頸，本論文正是以上述背景為研究目標而開展工作的，主要進行的工作和創新有: 1 .對研製的新型高頻低功耗的功率nizn材料進行參數的測試，並針對dc - dc變換器設計關心的參數對芯材特性進行了分析，選擇在特定頻率下，功耗較小的nizn材料磁芯樣品作為變壓器優化設計的預備磁芯。
  10. Core losses are caused by an alternating magnetic field in the core material, thie losses are a function of the operating frequency and the total magnetic flux swing, the total core losses are made up of three main components, hysteresis eddy current and residuallosses, these losses vary considerably from one magnetic material to a - nother, applications such as higher power and hither frequency switching regulators and rf designs require careful core selection to yield the highestinductor perfor - mance by keeping the core losses to a minimum

    鐵損是由於在鐵芯中的變更磁場院所造成，這個損失與操作頻率及總流動的磁通量有關，總鐵損由三個成份組成，磁滯損，過流損及殘留損，這些損失因磁性材料不同而異，在如高功率切換調整器和rf的設計需要小心選擇鐵芯種類以降低鐵損使電感的表現最佳。
  11. The electricity fitting according to program of the hydraulic system then choices the work way, refers in the discovery news leads make the electromagnet work in order to finish the stipulation the craft operating cycle

    電氣裝置按照液壓系統規定的動作程序，選擇規定的工作方式，在發現訊件的指領下，使有關的電磁鐵動作以完成規定的工藝動作循環。
  12. Secondly, it discusses the problem of material choice of the the key components - permanent magnetic iron and moving iron core in detail, according to the kinds of the present magnetic material and the characteristic of the valve itself

    其次，針對目前磁性材料的種類及該電磁閥本身的特點，對電磁閥中關鍵部件永久磁鐵和動鐵芯的材料選擇問題進行了詳細的探討。
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