electromagnetic constant 中文意思是什麼

electromagnetic constant 解釋
電磁常數
  • electromagnetic : adj. 電磁的。
  • constant : adj 1 恆定不變的，固定的，穩定的，恆久的；繼續不斷的。2 不屈不撓的，堅韌的。3 忠實的，有節操的。n...
  1. The factors influencing the phase components, microstructure, electromagnetic parameters of magnetic particles and rheological performances of mrs were systematicly studied. the temperature is a key factor in the thermolysis of dropping fe ( co ) 5 in constant temperature

    系統地研究了合成條件對產物的物相組成、微觀結構、 2 - 18ghz的微波電磁參數及磁流變性能的影響。
  2. While two ( or more ) electromagnetic waves of the same frequency, same direction of vibration, same phase or constant phase difference superpose in space, the amplitude of composite wave is vector sum of the amplitude of each wave

    由兩個（或兩個以上）頻率、振動方向相同、相位相同或相位差恆定的電磁波在空間疊加時，合成波振幅為各個波的振幅的矢量和。
  3. To detect the micro particles of metal is based on the phenomenon that when a metal micro particle passes through an electromagnetic field with constant speed the receiving carrier phase is changed

    根據電磁場中恆速通過金屬微粒會引起接收載波信號相角變化這一現象來檢測金屬微粒。
  4. Abstract : the process requirement and characteristics of the electromagnetic vibrating feeder which is considered as the feeding device of constant weight packing and constant weight proportioning system were analyzed emphatically, so the problems existed in the structure of electromagnetic vibrating feeder under such working condition was solved

    文摘:著重分析電磁振動給料機作為定量配料和定量包裝系統給料裝置時的工藝要求和特點，並從結構上解決了該工況條件下電磁振動給料機存在的問題。
  5. These energy levels are determined by how tightly the atomic nucleus holds the electrons, which depends on the strength of the electromagnetic force between them ? and therefore on the fine - structure constant

    能階是由原子核拉住電子的松緊程度所決定，而這又取決于能階之間的電磁力強度，因此便和精細結構常數關系密切。
  6. Secondly, the human body is simulated by a model with inhomogeneous dielectric constant and conductivity hi the fdtd program to calculate the effect of stable plane wave to the human body, hi the same time the mode can be used hi ( fd ) 2td programmed to calculate the effect of electromagnetic pulse to the human body by using debye parameter

    主要包括以下幾部分內容：首先，編制fdtd （時域有限差分法）和（ fd ） ~ 2td （色散時域有限差分法）程序，並驗證了這兩個軟體的有效性。其次，建立了解析度分別為4 . 25mm和1 . 31cm的實際人體電磁參數模型和色散電磁模型，建模過程中採用了圖象處理技術。
  7. Then, according to waveguide theory, planar waveguide is analyzed. the main parameters, such as spread constant, decay coefficient, cut - off wavelength and so on, are deduced from dispersion formula of planar waveguide. the distributions of electromagnetic wave in the planar waveguide are obtained also

    其次根據波導理論分析了平面波導，由平面波導的色散方程推導出了導模的傳播常數、衰減系數、截止波長等特徵參數以及波導中光波電磁場的分佈。
  8. These findings complement recent contentious observations that the fine - structure constant, which describes the overall strength of the electromagnetic force, has increased slightly

    這項發現為近來一項引人爭議的觀察做了補充：用來描述電磁力總體強度的精細結構常數，已經些微增加了。詳情請見4月21日的《物理評論通訊》 。
  9. Because ideas and beliefs have this electromagnetic reality, then, constant interplay between those strongly contradictory beliefs can cause great power blocks, impeding the flow of inner energy outward

    因為觀念和信念具有這種電磁現實，在這些強烈的相矛盾的信念之間不斷地相互影響，可以造成力量巨大的障礙，並阻止內在能量的向外流動。
  10. In this paper a newly develoed helical coordinates is used to make out the solution of electromagnetic fields in the helix gap and calculate dispersion characteristics of tape helix slow wave structure for the first time. strict boundary conditions for magnetic fields are adopted and are treated rigorously by fourier expansion. besides, the radial propagation constant of every layer in the dielectric - loaded region is differentiated. some of practical tape helix slow wave structures have been calculated for dispersion characteristics and the calculated values accord with measured values very well. the authors also compare the calculated results with experiments for different structures by changing tape thickness or other structure parameters and find that the theory in the paper is universal

    本文首次運用螺旋坐標系給出了帶狀螺旋線縫隙內的電磁場解，並據此計算了帶狀螺旋慢波結構的色散特性.文中採用了嚴格的邊界條件，並以傅立葉展開進行了嚴格的數學處理.另外還首次對有介質區域內各層的徑向傳輸系數作了區別.本文使用這種方法計算了我們已研製的一些寬帶高功率行波管所用的慢波線結構的色散特性，理論與實驗符合得很好.我們還計算了不同結構參數對色散特性的影響，並與實驗作了對照，發現本文的理論有一定的普適性
  11. The main working contents of this paper is following : 1 according to the theory of electromagnetic induction law, a new radio induction system is proposed based on the traditional radio induction technology, analyzed on its signal transmission character and its frequency spectrum character. the channel composed of the new radio induction system is compared with the parameter - constant channel and the parameter - changing channel. the application of the new radio induction system is studied in converter supply

    本文的主要工作內容如下： 1在現有的無線感應技術基礎上，基於電磁感應理論，提出了新型無線感應系統，分析了新型無線感應系統的信號傳輸特性，分析了新型無線感應系統的頻譜特性，把新型無線感應系統組成的通道和恆參通道、變參通道進行了比較，研究了新型無線感應系統在變流器供電中的應用。
  12. The result of research into electromagnetic beheaviours of polymeric magnets as follows : all of the two agents ( acrylic acid and polycarbonate ) can reduce effectively magnetic loss and dielectric loss, moreover, acrylic acid can increase the dielectric constant of the polymeric magnet at high frequency and microwave band. on the whole, the polymeric magnet modified by acrylic acid is preferable. the research of ir spectrum and xps of the polymeric magnets have showed that modifying polymeric magnet with acrylic acid is a chemical method in the part of composing polymer, we have chosen ferrocene as raw stuff

    對改性前後高分子磁體的電磁性能研究結果表明：用丙烯酸或聚碳酸酯對高分子磁體進行表面改性，兩種試劑均不影響高分子的磁導率，並且它們均有效地降低了高分子磁體的磁損耗和介電損耗，更有研究意義的足：丙烯酸使高分子磁體在高頻微波下的介電常數得到明顯提高：從總的方面來說，丙烯酸改性高分子磁體優于用聚碳酸酯改性的高分子磁體。
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