thermal and electrical conductivity 中文意思是什麼

thermal and electrical conductivity 解釋
導熱性和導電性
  • thermal : adj. 1. 熱的，熱量的，溫熱的；由熱造成的。2. 溫泉的。n. 【航空】上升暖氣流。adv. -ly
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • electrical : adj. 1. 電力的，電動的，發電的；電氣科學的。2. 令人激動的，緊張的，驚人的。adv. -ly ,-ness n.
  • conductivity : n. 【物理學】傳導性[力]，傳導率；導電率[性，系數]。
  1. Ionic liquids are extensively studied in areas of chemical synthesis, separation technology, electrochemistry and material processing due to their unique properties such as high electrical conductivity, high thermal stability, low measurable vapor pressure and incombustibility

    摘要由於離子液體具有電導率高、熱穩定性好、蒸氣壓低、不燃燒等優良性質，越來越多地應用於有機合成、分離、電化學和材料加工等領域。
  2. The microstructure in this system shows randomly oriented fine plate - shaped grains with multi - layered structure. the fine grains randomly oriented ( strong grain boundary scattering ) and pores in these sintered samples could decrease the electrical conductivity. however, on the other hand, the fine grains randomly oriented and pores could lead to a dramatic decrease in the thermal conductivity

    燒結樣品的顯微結構由具有多層片狀結構的顆粒組成，材料的顯微結構直接影響到材料的電導率和熱導率，細小顆粒和氣孔的存在會引起電導率的降低，同時也能降低材料的熱導率，優化材料顯微結構是提高材料的熱電性能的關鍵步驟。
  3. After testing thermal conductivity ( k ), electrical conductivity ( ) and see - beck coefficient ( a ), the results demonstrate that for cosb3 nano - materials, with decreasing in grains size lattice thermal conductivity falls, electrical conductivity decreases and seebeck coefficient increases. thermoelectric performance figure ( zt ) cosbs nano - compound with grains size of 200nm has reached 0. 43

    通過對一系列不同晶粒尺寸cosb _ 3化合物的熱導率、電導率和seebeck系數的測定，討論了晶粒尺寸大小對結構納米化對熱導率、電導率和seebeck系數的影響，結果表明：隨著cosb _ 3化合物晶粒尺寸的減小，晶格熱導率_ l顯著降低，從而導致cosb _ 3化合物的熱導率的降低；電導率也有一定的降低；以及seebeck系數顯著增加。
  4. Due to good chemical stability and electrical resistivity, high thermal conductivity and mechanical intensity, wide band gap and low thermal expansion coefficient, aln thin films can be applied for insulating chips for semiconductor devices with high power, thermal dissipation lagers for large and super - large scale integrated circuits, insulating layers or passivation layers for semiconductor

    超薄鋁膜由於其特殊的的光學性質，在光學多層膜上有廣泛應用。氮化鋁薄膜化學穩定性高、熱傳導率高、機械強度高、電絕緣性能佳、高能隙、熱膨脹系數低，光學特性優良，可以用作大功率的紫外光學器件的散熱材料。
  5. The results showed that yielding the strength increase with the strain rate, the energy absorption increase with increasing strain rate and was related to the density. strain has slightly effect on the strain rate sensitivity of the solid material, but the strain rate sensitivity of fs increase with increasing true strain and also increase with incremental change in strain rate at the same true strain. the properties of thermal conductivity, electrical conductivity and electromagnetic shielding were studied

    實驗結果表明，泡沫鋁的屈服強度隨著應變率的增加而增加；應變對固體材料的應變率敏感度影響很小，但是泡沫鋁的應變率敏感度不是常數，而是隨著真應變的增加而增大，在同樣的應變下，隨著應變率變化幅度的增大而增大；泡沫鋁的能量吸收隨著應變率的增加而增加並且和泡沫鋁的密度有關；泡沫鋁的吸能效率隨著應變率的增加略有下降。
  6. Practice heating test of spread sample has been underway and contrasted with traditional electric furnace. production technology, structure and property of the coating have been studied in order to search for a. new technology method with not only enhancing thermal conductivity of coating but also dropping its electrical conductivity and reducing its production cost

    對試樣進行了關鍵熱學性能、電學性能的測試，並進行掃描電鏡分析，對塗覆樣品進行實際加熱測試，並和傳統意義上的電爐進行對比，通過對耐火塗層生產工藝、組織及性能的關系的研究，以探求一種既能提高塗層的導熱性能又能降低導電性能和生產成本的工藝方法。
  7. As a type of potentially good thermoelectric materials, cosb3 compounds with the skutterudite crystal structure mx3 have attracted attention widely, because of their high carrier mobility, large electrical conductivities, and large seebeck coefficients. however, the thermal conductivity of skutterudite is too large, so, zt is low. therefore reducing the thermal conductivity of cosb3 has becomed a main research way at present

    Cosb _ 3方鈷礦化合物作為一種具有潛在高熱電性能指數的新型中溫熱電材料具有大的載流子移動度、高的電導率和較大的seebeck系數，但由於熱導率較大，因此要提高cosb _ 3方鈷礦化合物的熱電性能，降低其熱導率是當前研究的熱點之一。
  8. A solid - state shear compounding technology based on pan - milling ( s3c ) has established, by which the graphite with weakly combined structure are exfoliated and then compounded with pp at nanoscale. the obtained pp / graphite nanocomposites have greatly enhanced electrical and thermal conductivity. their structures and properties were characterized by analysis of particle size and distribution, sem, tem, xrd, the electrical conductivity, the thermal conductivity and heat - decomposition temperature etc. by taking advantages of the layered inorganic fillers with a weak interaction between layers ( e. g

    磨盤碾磨剪切力場使pp分子鏈斷裂，相對分子質量減小，石墨的導熱和潤滑性能抑制pp的降解和粉碎，使pp / yep250 （膨脹石墨250倍）復合粉磨盤碾磨固相剪切復合技術及導電導熱pp /石墨納米復合材料的制備與性能體中， pp分子運動活性提高，結晶能力增強，為pp在熔融加工中進一步向己剝離的石墨片層間擴散，形成納米復合結構創造了條件。
  9. Results indicate that the samples are comprised of slate - like grains growing up in different directions, and that grain size and pore play a domain role in electrical conductivity and thermal conductivity besides seebeck coefficient

    結果顯示燒結樣品由不同取向的片狀顆粒組成，顆粒大小以及顆粒間的氣孔數量對樣品的電導率和熱導率有顯著影響，對seebeck系數影響不大。
  10. The intermediate - temperature sofc ( solid oxide fuel cell ) ’ s electrolyte with perovskite - type lsgm ( la _ ( 0. 9 ) sr _ ( 0. 1 ) ga _ ( 0. 8 ) mg _ ( 0. 2 ) o _ ( 3 - ) ) was synthesized using advanced pechini method and solidification method. the thermal and electrical properties of the sintered samples ( synthesized by two different methods ) were measured and compared by thermal expansion and ac impedance spectroscopy ; the phase transformation process and inner structure were measured and compared by xrd, dta - tg and ac impedance spectroscopy. the research results show that the electrolyte synthesized by advanced pechini method has several advantages, such as fine pre - powders, low sintering temperature, reduced or eliminated impurity phases and high conductivity etc. so, the apm is ideal method to synthesize lsgm

    採用改進的檸檬酸法（以檸檬酸和edta乙二氨四乙酸為復合絡和劑，檸檬酸為燃料）和固相法分別制備了具有鈣鈦礦結構的中溫固體氧化物燃料電池的電解質材料lsgm （ la _ （ 0 . 9 ） sr _ （ 0 . 1 ） ga _ （ 0 . 8 ） mg _ （ 0 . 2 ） o _ （ 3 - ） ） ，用差熱?熱重分析（ dta / tg ） 、 x光衍射分析（ xrd ） 、交流阻抗譜技術（ ac - impedancespectra ） 、比表面積分析（ bet ）和燒結收縮率曲線等手段對產物的熱分解過程、物相轉變和內部結構等進行了表徵，並對由這些粉體燒結而成的固體氧化物燃料電池的電解質材料的電導率進行了檢測。
  11. So it has low electrical conductivity and low thermal conductivity

    所以它的導電率比較低，並且導熱率也非常低。
  12. Discontinuous cf / cu composite, with its peculiar properties of high electrical - conductivity, high thermal - conductivity, self - lubricating, resisting electric - arc erosion and so on, is a prospectively functional composite

    非連續c _ f / cu復合材料的電導熱導率高，具有自潤滑和抗電弧侵蝕等特殊性能，是一類具有廣闊應用前景的功能復合材料。
  13. Perovskite - type complex oxides of la1 - xcaxcro3 compositions are attracting growing attention because of their superior electronic conductivity and excellent chemical stability in both oxidizing and reducing atmospheres, which makes them promising candidate materials for many important applications, such as interconnectors for solid oxide fuel cells ( sofc ), heating elements for high temperature furnaces, and current collecting electrodes in magneto - hydrodynamics ( mhd ). in this dissertation, the gnp ( glycine - nitrate process ) method has been employed to synthesize la1 - xcaxcro3 oxides. the synthesis and preparation, sinterability, electrical conducting properties and thermal expansion properties of la1 - xcaxcro3 oxides have been investigated

    本文採用gnp （ glycine - nitrateprocess ）法制備了la _ （ 1 - x ） ca _ xcro _ 3材料，對制備方法與工藝參數、材料燒結性能、電性能以及熱膨脹性能進行了研究，分析了ca ~ （ 2 + ）含量、粉體顆粒形態對材料燒結行為、燒結緻密化溫度的影響，並研究了ca ~ （ 2 + ）含量、粉體顆粒形態對材料晶體結構、顯微結構和物理性能的影響，其目的在於為該類高溫電子導體的進一步研究利應用提供實驗和理論依據。
  14. Cu - al2o3 metal matrix composite is widely used as electronic packing material, or electrodes and contact terminals, because of the combination of high electrical and thermal conductivity as well as high strength

    Cu - a1 _ 2o _ 3復合材料具有高的強度和高導電性及優良的抗電弧性能，廣泛應用於電子封裝材料、電極和電接觸材料。
  15. The result showed that when the dopants amount is increasing, the seebeck coefficient and the electrical conductivity of samples are increasing too, but the thermal conductivity has not an obvious change

    隨著摻雜量的增大，材料的seebeck系數有所增大，電導率增加明顯，而熱導率沒有明顯的變化。
  16. The result showed that the hf - doped samples increased the seebeck coefficient, and lowered the thermal conductivity, but has no great effect on electrical conductivity. the sb - doped samples increased the electrical conductivity evidently, but also lowered the seebeck coefficient

    Hf在zr位的取代使體系的seebeck系數增加，熱導率下降，但對電導率的影響很小；摻入sb則使其電導率大幅度提高，但是seebeck系數有一定程度的降低。
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