熱導率 的英文怎麼說

中文拼音 [rèdǎolǜ]
熱導率 英文
coefficient of thermal conductivity
  • 導 : 動詞1. （引導） lead; guide 2. （傳導） transmit; conduct 3. （開導） instruct; teach; give guidance to
  • 率 : 率名詞（比值） rate; ratio; proportion
  1. In heterogeneous anisotropic materials the heat flow vector and conductivity are more complex.

    在各向異性的非均質材料中，熱流向量和熱導率很復雜。
  2. Quite often it is found that in an apparently uniform piece of rock the thermal conductivity differs from centimetre to centimetre.

    一塊看來很均勻的巖石試件，卻經常發現它每一厘米的熱導率都不一樣。
  3. Quartzes and rock salt have the highest conductivities.

    石英巖和巖鹽的熱導率最高。
  4. The thermal conductivities and thermal diffusivities of the material must be known.

    必須知道各種材料的熱導率和熱擴散率。
  5. The differences between the conductivities of different kind of rocks are rather small.

    不同巖類熱導率的差異還是比較小的。
  6. In the most general case the thermal conductivity is a tensor with six components.

    在最一般的情況下，熱導率是一個具有六個分量的張量。
  7. At very great depth the heat capacity as well as the thermal conductivity must be assumed to be higher than near the earth's surface.

    如果深度很大，就必須認為熱容以及熱導率都高於接近地表處的熱容和熱導率。
  8. Another problem in the determination of a good representative value of the conductivity for a given rock type arises from the heterogeneity of the material.

    測取給定巖類具有良好代表性熱導率數據的另一個問題是材料的不均勻性。
  9. In most crystal systems and in laminated materials the number of components of the thermal conductivity is less than six.

    在大多數晶系和層狀物質中，熱導率的分量數小於6。
  10. Up to now, we have treated the stationary temperature field under the influence of lateral changes of thermal conductivities in the underground.

    截至目前為止，我們討論的一直是處于地下熱導率側向變化影響下的穩定溫度場。
  11. Measurement of the tissue thermal conductivity by thermal pulse - decay method

    生物組織熱導率的脈沖衰減法測量
  12. This paper introduce an exertion way of mensurate unsteady state, much improvement have be mading in the mensuration of the thermal conductivity for conductor of undesirability with the counter system

    摘要介紹了一種非穩態測量方法的運用，結合計算機系統，使不良導體熱導率的測定得到較大的改進。
  13. 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。
  14. Characterized by wide band gap, high breakage electric field, high thermal conductivity, high saturated electron mobility, cubic silicon carbide ( 3c - sic ), considered as one of the most promising wide band gap semiconductors, is widely utilized in high temperature, high frequency and large power semiconductor devices

    3c - sic被譽為最有潛力的寬禁帶半導體材料，具有帶隙寬、臨界擊穿電場高、熱導率高、飽和電子漂移速度大等優點，是高溫、高頻、高功率半導體器件的首選材料。
  15. 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。
  16. The filled skutterudite compounds attract aboard attention owing to their high mobilities and relatively large seebeck coefficients in the middle temperature range of 600 - 800k. but their thermal conductivities are very high, so the problem how to decrease their lattice thermal conductivities and improve their zt values becomes a research hotspot

    填充式skutterudite化合物由於在中溫領域（ 600 800k ）具有很高的載流子遷移率和較大的seebeck系數而引起人們的廣泛關注；但其熱導率k較高，因而如何降低晶格熱導率kl ，提高其熱電性能指數zt值已成為研究的熱點。
  17. Silicon carbide is becoming the most promising semiconductor material for high temperature, high frequency and high power devices because of its superior properties such as wide band gap, high breakdown field, high electronics saturation drift velocity, and high thermal conductivity

    Sic材料由於具有寬禁帶、高臨界擊穿電場、高飽和電子漂移速度、較大的熱導率等優良特性，因此成為製作高溫、高頻、大功率器件的理想半導體材料。
  18. Featured by wide band gap, high breakage electric field, high electron mobility, low dielectric constant, strong irradiation proof and excellent chemical stability, silicon carbide ( sic ), viewed as one of the most promising wide band gap semiconductors, is widely utilized in optoelectronic devices, high frequency and large power, high temperature electronic devices

    被譽為最有潛力的寬禁帶半導體材料一sic ，因其具有禁帶寬度大、擊穿電場高、熱導率大、電子飽和漂移速度高、介電常數小、抗輻射能力強、良好的化學穩定性等優異的特性，被廣泛地應用於光電器件、高頻大功率、高溫電子器件。
  19. The greatest dependence upon temperature is shown by rocks with high conductivities at room temperature e. g. salt.

    在室溫下，高熱導率巖類（如鹽類）的熱導率對溫度的反應最大。
  20. The anisotropy of the thermal conductivity is essentially independent of the temperature not up to 200-300 c.

    如果溫度不超過200-300，則熱導率的各向異性現象基本上與溫度無關。
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