composite dielectric 中文意思是什麼

composite dielectric 解釋
復介質
  • composite : adj 1 併合的，復合的，混成的，合成的，集成的。2 【建築】混合式的；【造船】鐵骨木殼的。3 【植物；...
  • dielectric : adj. 非傳導性的，絕緣的，介電的。n. 電介質，電介體，絕緣體。
  1. But there is a main question that pvdf does not be in p phase with higher piezoelectric property, but be in other phases with lower or without piezoelectric property, thus, which can not improve distinctly piezoelectric constant d33, reduce notably dielectric spoilage ( tg5 ) and raise remarkably mechanical coupling factor ( kp ) of 0 - 3 pzt / pvdf piezoelectric composite, so these will restrict its development and application. in this paper, 0 - 3 pzt / pvdf piezoelectric composite will be prepared by room pressing - solidity, high - temperature - pressing and room - pressing techniques respectively

    由於這個壓電復合材料體系存在一個主要問題? pvdf在0 ? 3型pzt / pvdf壓電復合材料中通常不是以具有較強壓電性的相晶態形式呈現，多是以其它的相態存在，不能有效地提高0 ? 3型pzt / pvdf壓電復合材料的壓電常數d _ （ 33 ） 、降低介電損耗tg和增大機電耦合系數kp等壓電和介電性能，從而嚴重地制約它的發展和應用。
  2. The disperse degree of the ceramic can greatly affect uniformity of the composite, which limit the poling voltage and affect the piezoelectricity. in this paper, the relationships among constitutes, microstructures, dielectric and piezoelectric properties were calculated by employing the banno unit cell mode ; pzt ceramic were synthesized by the hydrothermal method and the appropriate solution was selected according the adsorption of pvdf on the ceramic particle surface ; then, relationships between the disperse degree and the fabrication process were studied. base on these, the pzt / pvdf composites intermingled some pan were prepared and the microstructures were investigated

    論文首先利用bannounitcell模型，計算了pzt pvdf壓電復合材料的組成、結構、與其壓電和介電等性能之間的關系；針對壓電復合材料存在的均勻分散性差的缺點，選用水熱法制備的粒度均勻的pzt陶瓷粉末，並採用溶液混和法與聚合物pvdf進行分散復合，重點研究了不同工藝條件下陶瓷的均勻分散性及其與材料微觀結構之間的關系。
  3. In this paper, we will introduce an accurate and stable method which bases on mot to solve dielectric objects and metal - nonmetal composite objects

    在本文文章中，介紹了一種基於時間步進法求解介質目標、金屬非金屬組合目標時域積分方程的精確，穩定的方法。
  4. The research work presented in this dissertation provides an efficient approach to analyze the dielectric objects and metal - nonmetal composite objects ’ transient electromagnetic scattering phenomena, as well as a solid foundation for the further development in this subject

    本文的工作為分析介質體、金屬非金屬組合目標時域電磁散射現象提供了有效的方法途徑，也為運用時域積分方程求解結構更為復雜、尺寸更為電大的金屬非金屬組合目標的研究打下了堅實的基礎。
  5. Due to the importance of the accuracy of the time - domain impedance matrix elements, the techniques by which treating of the singular integrals and near singular integrals arose from the tdie - mom solving process are analyzed in detail, and these techniques are utilized to solve the tdie. in the end, using triangle patches discretizing arbitrarily 3 - d dielectric objects and metal - nonmetal composite objects surface and utilizing spatial rwg and temporal triangular bases, the tdie are solved by mot algorithm

    最後，分別對三維介質目標、金屬非金屬組合目標散射體表面用三角貼片離散，並在空間上採用rwg基函數，在時間上採用三角型時間基函數、利用阻抗元素的精確演算法計算出阻抗矩陣，再運用mot法分別求解了介質體目標，金屬非金屬組合目標的時域積分方程，並分析了金屬非金屬組合目標分界面上的等效電流與等效磁流的特性。
  6. In order to prepare insitu - composite pan - batio3, the batio3 nanoparticles with the different size has been prepared by sol - gel processing primarily, the shape, structure and the relationship between dielectric properties and conducting properties with temperature and frequency are studied. the result shows : 900 is the optimum heat - treated temperature for the preparing batio3 nanoparticles

    研究結果表明：復合粒子為不很規則的球形，在室溫下其平均粒徑在1 zpm之間， batios和pan之間存在化學鍵的連接，一個復合粒子中包含有許多個batioa納米粒子，在此基礎上我們提出了「蛋糕一花生米」模型。
  7. Development of high dielectric constant composite and the study of its dielectric properties

    高介電復合材料及其介電性能的研究
  8. The epoxy resin modified by polysiloxane have the advantage of both polysiloane and epoxy resin, it have good heat - resistance, moisture - resistance, dielectric properties. to improve the heat - resistance and the strengthening of the composite, nano - sio2 has been add into the reaction system to modify the epoxy resin with polysiloxane

    這種復合基體能有效得利用有機硅樹脂優異的耐熱性、耐候性、電絕緣性、憎水性、阻然性及耐寒性能，同時又具有環氧樹脂良好的粘結性、耐溶劑性及配伍性等優點。
  9. The second strategy include that a metallic nickel ( ni ) core was encapsulated with a polymeric polystyrene ( pst ), and then coated with an outlayer of dielectric titania to form ni / pst / tio2 composite particles. the morphology and structure of the particles were characterized by tem, sem, tg - dta, xrd, and ft - ir

    其次，以聚苯乙烯包覆金屬鎳粉，形成了ni pst磁性聚合物微球，然後在該微球外包覆二氧化鈦，制得了粒徑均勻、形態良好的鎳聚苯乙烯二氧化鈦（ ni pst tio _ 2 ）無機-有機結構的多層核-殼復合微球。
  10. Nonlinear dielectric properties of pt p0 - 3 ferroelectric composite materials

    復合物的非線性介電性質
  11. Preparation of high dielectric constant composite oxide films for aluminum electrolytic capacitors

    鋁電解電容器用高介電常數復合氧化膜的制備
  12. Quartz fibre strengthen bis maleimide bmi composite material have low to dielectric loss angle, able to bear high temperature, damp and hot, good mechanics performance

    石英纖維增強雙馬來酰亞胺樹脂復合材料具有低介電損耗、耐高溫、耐濕熱及良好的力學性能。
  13. Research on microwave dielectric ceramics and composite perovskite structure

    微波介質陶瓷和復合鈣鈦礦結構的研究
  14. Abstract : ferroelectric based nanocomposites are a new class of mesoscale functional materials which have a high dielectric constant and high electric field. recent progress in this research area is reviewed briefly, and a novel ferroelectric composite with embedded semiconductor quantum dots, including its preparation and optical properties, is reported. this material has promising applications in new electroluminescent devices and quantum dot lasers

    文摘:鐵電體基納米復合材料作為一類新型功能材料，提供了一系列「高介-高場」調制的介觀系統.文章介紹了這一領域的最新研究進展，並重點報道了一類新型鐵電體基納米復合材料鐵電體半導體量子點復合材料的制備與光學性質，該材料在新型電致發光元件及量子點激光器件中有著很好的應用前景
  15. The important results and innovations are as follows : 1. sol - gel technology was used in making composite oxide films which have high dielectric constant

    論文的主要內容及創新性研究歸納如下: 1 、研究了sol - gel技術在制備高介電常數復合氧化膜中的應用。
  16. Dielectric interaction between the particles with composite structure

    具有復合結構顆粒的介電相互作用
  17. In the process of preparing glass / mullite composite material, research on shrink rate, bending strength, dielectric constant, dielectric loss tangent, etc have been carried out. in the experiment, the thermal expand coefficient of samples is tested, and through sem, insides structure of sintered sample is studied, so the relationship of

    在制備玻璃/莫來石復合材料的過程中，我們研究了燒成后徑向收縮率、試樣的抗彎強度、介電常數、介質損耗及其影響因素，並測試了試樣的熱膨脹系數，通過sem觀測燒成試樣的內部結構情況，找出性能和結構之間的關系。
  18. The theoretical results on far - infrared absorption in small metal particle - insulator composite and the dielectric constant of oil / water two - phase random composite system are in good agreement with experimental data

    用該理論分析了金屬微粒絕緣介質的遠紅外吸收和油水兩元混合物的有效介電常數，與實驗結果比較符合。
  19. With these backgrounds, the object being investigated in this article is composite metallic and dielectric structure which is composed by piecewise homogeneous, linear and isotropic medium, the problem being investigated is the complex scattering and radiation problem, the intention being investigated is modeling and fast computing the electromagnetic characteristic of electric large complex structures with uniform method, the final objective is developing general fast electromagnetic computing software to solve the realize electromagnetic computing problems in engineering

    本文就是圍繞這一背景展開的，研究對象是由分塊連續、線性、各向同性媒質組成的「金屬與介質混合結構」 ，研究問題是復雜的散射和輻射問題，研究目標是以統一的方法對電大尺寸復雜結構作電磁建模與快速計算，最終目的是開發通用的電磁計算程序，來解決一些工程中的復雜電磁計算問題。
  20. A general expression for the effective dielectric constant of a two - phase random composite system was derived by using effective media theory

    利用有效介質理論導出了二元無規混合物的有效介電常數的普適計算公式。
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