core material 中文意思是什麼

core material 解釋
表心物
  • core : CORE ＝Congress of Racial Equality 〈美國〉爭取種族平等大會。n 1 果心。2 （事物、問題等的）中心，...
  • material : adj 1 物質的（opp spiritual）。2 身體上的，肉體上的；物慾的，追求實利的；卑俗的。3 有形的，實體的...
  1. Outdoor antipollution - type solid - core post insulators of ceramic material

    耐污型戶外棒形支柱瓷絕緣子
  2. The essential aspect of the mathematic model for inductor is the description of the hysteresis loops of the magnetic core material. the jiles - atherton ferromagnetic theory combined with the experience formula proposed by h. g. brachtendorf, c. eck and r. laur, was applied in this case. the model is more flexible than jiles - atherton ’ s, especially in the circuit model convert

    本文採用了由h . g . brachtendorf 、 c . eck 、 r . laur提出的經驗公式與jiles - atherton鐵磁磁滯理論相結合的修改新數學模型，並將該模型轉換為等效電路模型模擬磁滯特性，實驗結果表明，該模型比jiles - atherton模型靈活，利於轉換為宏觀電路模型。
  3. The reaction is slowed by a combination of depletion of the fissionable material and expansion of the core.

    由於裂變物質的耗盡以及由於核心的膨脹，才使反應減慢下來。
  4. The coalescence & separation filter core, targeting at low viscosity oils, is highly efficient to dewater according to the difference of different material ' s surface tension

    針對低粘度油液的特殊配比的聚結分離濾芯，根據介質表面張力的不同進行細化分離，脫水效率高，脫水能力強。
  5. In recent years, focusing his study on the core english vocabulary, research writing, and diacritical transcription, he has published several articles on these topics in both chinese and english journals like, foreign language world, curriculum, teaching material and method and teaching english in china ( now celea journal )

    近幾年來主要研究英語注音方法、英語核心詞匯及論文寫作，並在《中國英語教學》 、 《外語界》 、 《課程?教材?教法》等著名刊物上發表論文數篇。
  6. Unwinding roller is made of stainless composite piping material, which has the following advantages : ( smooth on surface, non - pilling, non - knotting, non - slip - stick, unity in unwinding expansion, good core - spunned result ), roller seat, driven chain, traction changing gear, adjustable bearing godet wheel, driven cover

    退繞羅拉：採用不銹鋼復合管材料製作，該種材料具有以下幾種優點（表面光滑、卜掛絲、不纏絲、不打滑、退繞張力均勻、包芯效果好） 、羅拉托座、傳動鏈輪、牽伸變換齒輪、可調試軸承導絲輪、傳動防護罩。
  7. Plumes are thought to be columns of exceptionally hot material rising from deep within the earth ' s mantle, perhaps even from its bottom, where the mantle contacts the earth ' s liquid core

    地慢羽被認為是米自地慢深處異常熾熱的柱體，或許來自連接地球液體核的地慢的底部。
  8. Petrological and mineralogical examinations of core material can be used to identify hydrothermal alterations.

    巖芯的巖石學和礦物學研究也能用來鑒定水熱蝕變。
  9. Then after analysising each characteristics of phosphate glass material, the fiber rod - in - tube by invaginating core rod, inside cladding and outside cladding is used to fabricate the er / yb phosphate glass fiber successfully by polishing and vacuumizing fiber rod - in - tube. finally some techniques, such as cladding pump, prism coupling pump and fusing pump are used to measure the gain of fiber amplifiers

    最後對拉制出的光纖提出了包層泵浦、棱鏡耦合泵浦和熔接耦合泵浦三種可行的增益和傳輸特性測試測方案，並針對鉺鐿共摻磷酸鹽玻璃光纖的特性，指出了熔接耦合是測試增益和傳輸特性的最佳方案。
  10. Significant deviation occurs only when the beam is not slender or for sandwich constructions with very soft core material in which shear deflection becomes significant.

    只有當橋不是很細長，或者是用很軟的材料做芯子構成夾心結構的情況下，才會產生明顯的偏差，因為這兩種情況下剪切撓度都很大。
  11. 9. tauari : origin of south america. wooden features : density 0. 75 - 0. 85g cm3 ; timber scattered holes, light yellow core material, texture direct, structural details, strategic uniform with shiny ; no special odor

    木材特徵：氣干密度0 . 75 - 0 . 85g cm3木材散孔，芯材淡黃色，紋理直，結構細，略均勻，具光澤無特殊氣味。
  12. The thicknesses of the panel and core materials of the foam sandwich structure were optimized and the core material was optimized as well

    並對玻璃鋼泡沫夾芯結構進行面板、芯材厚度以及芯材的選材進行優化設計。
  13. Section four shows the study of the economic effect evaluation on the extend project of the liyujian power plant. a economic effect evaluation is a core material of evaluating investment projects, in which the indices being used is also very important as they represent the economic degree of the project. indices of invest return circle, invest return rate, net present value, net annual value, internal return rate, external return rate, sensitivity analysis are used in this project and the conclusion that the project brings both satisfactory economic benefit and significant social payback

    經濟效果評價是投資項目評價的核心內容，而經濟效果評價的指標又是非常重要的，它們從不同角度反映項目的經濟性，本文選擇了投資回收期、投資收益率、凈現值、凈年值、內部收益率、外部收益率、敏感性分析等指標進行了定量分析及評價，並得出了結論：擴建工程項目不論社會效率，還是經濟效益都是很好的。
  14. An inductor constructed by layering the coil between layers of core material, the coil typica - lly consists of a bare metal material ( no insulation ), this technology is sonetimes refferred to as ” non - wirewound ”. the inductance value can be made larger by adding additional layers for a given spiral pattern

    指一電感其線圈分佈在鐵芯材質的各層上，此種線圈常包含一裸露的金屬（非絕緣材料） ，這種技術有時亦叫做「非繞線式」 ，只要在既有的螺旋電路方式下，插入額外的層數，即可增加電感值。
  15. Based on the relevant theoretical researches, the loss property of the magnetic core material and winding were analyzed in this thesis. and 500 khz high frequency switching mode power supply transformer was made of pc40 magnetic core material for the first time in this thesis, which has good application perspective and can lead to enormous economic profits

    本文在理論研究的基礎上，仔細分析了磁芯材料及繞組的損耗特性，首次採用pc40磁芯材料設計了500khz高頻開關電源變壓器，這在工程上有良好的應用前景和經濟效益。
  16. 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。
  17. No. this core material s too thin. - what

    -是因為地核太薄了-什麼？
  18. No. this core material is too thin

    不，地核的物質太稀薄了
  19. First in this thesis, calculation methods and work states of five high frequency switching mode power supply transformers in circuit form had been studied systematically. then the optimum square - approach - method was used to fix the pcv - f - bm curve of the pc40 magnetic core material. the values of m1, m2 and m3 in the high frequency formula pcv = m1 * bm2 * fm3 can be gotten and the experience values of these parameters during the traditional design was modified

    首先本文系統研究了五種電路形式的高頻開關電源變壓器的工作狀態及其計算方法，然後用最佳平方逼近法對pc40磁芯的pcv f bm曲線進行擬合，求得了高頻下磁芯損耗pcv = m1 * bm2 * fm3公式中的m1 、 m2 、 m3值，修正了傳統設計中對這三個參數的經驗取值。
  20. 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。
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