磁心材料 的英文怎麼說
中文拼音 [cíxīncáiliào]
磁心材料
英文
core material-
Hollow ferrites particles are the alternative to conventional solid ferrites particles, which have lower density, larger specific surface area and stability. moreover, it is expected electromagnetic wave can be reflected and absorbed again and again in the cavum of hollow particles which become its black hole. in addition, their electromagnetic parameters can be adjusted in a certain range by changing the thickness of the shell and the diameter of hollow microspheres, and the ability of absorbing microwave can be expected to improve
空心結構的鐵氧體是對傳統實心鐵氧體的改造，不僅密度小，還具有特殊的電、磁功能，有可能使電磁波在其空腔中反復振蕩吸收，成為電磁波的「黑洞」 ，從而增加材料的吸波能力，同時可通過調節核殼粒子的內外徑來調控電磁參數。Dongguan chorbr tool measuring co., ltd is operating states department of various brands of machine tools, measuring tool and die parts, machine tool accessories, industrial oil, abrasive abrasive, magnetic tool and die steel, and hand tools, electric tools, pneumatic tools and machining center tools and other products company
東莞市莞城東輝工量具經營部是經營各國多種品牌的切削工具、測量工具、模具配件、機床附件、工業用油、磨具磨料、磁性工具、模具鋼材、手動工具、電動工具、氣動工具、加工中心工具等產品的公司。With the use of rare - earth magnet and the application of finite element method ( fem ) in the magnetic field analyse, the tradition design method of electric motor should be modification. a new design and optimization method was generated
本文通過對傳統永磁直流電機設計方法的研究，結合新型稀土永磁材料的應用以及有限元理論在磁場分析方面的發展，提出了一套全新的空心杯永磁直流伺服電機設計及優化方法。For the former has inductance winding and ferromagnetic material, its measurement range is restricted by saturation, so it has a narrower range of frequency. being an inductance, it has the possibility of resonance
由於電磁式電壓互感器帶有電感線圈和磁性材料，測量范圍受鐵心磁飽和的限制，傳輸頻帶不夠寬；作為感性元件，存在鐵磁諧振的可能，可靠性差。When the approach to get a direct binding molecule was proved not fruitful, attention was turned to find binding sources for the purpose of further isolating the binding protein. the first considered and also the relatively easier - obtained materials are some adhesion molecules. results showed, only n - cam 140 showed ambiguous binding
， idin砰proteina磁珠為結合反應載體，從小鼠成年全腦勻漿作為結合起始材料，以蔗糖密度梯度離心法進4行細胞亞組分分離，以sds page顯示陽性結合條帶，以westernblot確定蛋白身份。Long tr images show greater signal heterogeneity within the lesion core as a function of increasing te, probably because of the paramagnetic properties of hemorrhage : the main magnetic field is locally augmented by paramagnetic material and therefore a susceptibility difference is produced
長tr影像作為一種增加功能的te ，對病變中心顯影更多的不均勻高信號區，這可能是源於出血產生的順磁效應，即主要磁場的局部由於順磁材料產生的磁性差異產生的一種結果。If the magnetic field is strong enough, the number of bound states of d ~ centers is countless in three dimensional material, however in two dimensions only four bound states are found
如果磁場足夠大，三維體材料中d ~ -中心有無窮多個束縛態，而二維d ~ -中心則只有四個束縛態存在。Standard guide for identification of fibers, fillers, and core materials in computerized material property databases
計算機處理的材料性能數據庫中纖維填充料和磁心材料的識別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。A sicp reinforced al - cu alloy and al matrix composites are fabricated by a new method - electromagnetic centrifugal casting, the effects of rotational rate for centrifugation, magnetic density, particle size and matrix on the distribution of particles and microstructure of matrix are studied
首次利用電磁離心凝固方法制備sic _ p al基和sic _ p al - cu基復合材料，研究了離心轉速、顆粒尺寸、磁場和基體對顆粒分佈以及對復合材料基體組織的影響。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。Includes the nanomedicine art gallery
奈米光電磁材料技術研發中心" we tried to prepare the aircore meander type thin film inductors to increase the frequency that can be used. we prepared them with masks and by magnetron spllttering. wthollt the magnetic material we got large inductance by properly choosing the size parameter. the change of the size parameter does not influence the frequency that can be used, so we can improve the quality factor in the same time
為了得到在更高頻率下適用的薄膜電感，在本實驗中我們嘗試製作了柵極型空心薄膜電感。我們採用掩膜法，通過磁控濺射制各樣品，在不加磁性材料的情況下，適當選取線圈形狀參數來得到較大的電感，由於形狀參數的改變不影響樣品的適用頻率，因而也能達到增大品質因數（ q值）的目的。分享友人