熱膨脹系數 的英文怎麼說

中文拼音 [péngzhàngshǔ]
熱膨脹系數 英文
coefficient of expansion due to heat
  • : 動詞(物體的長度或體積增加) expand; swell
  • : 動詞1. (膨脹) expand; dilate; inflate 2. (脹大) swell; distend; bloat
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 膨脹 : expand; swell; dilate; inflate; puff; bulge; inflation; expansion; dilatation; buckling; swelling...
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Treating the anharmonic terms of potential energy as perturbations, and employing the formulas for atomic displacements and hamiltonian in phonon occupation number representation, the formulas for thermal expansion coefficients of crystal nano - wires are derived and the numerical calculations are carried out in this paper

    摘要將原子間相互作用勢的非諧項作為微擾,運用聲子表象中的晶格原子振動位移和晶格振動哈密頓公式,推導了納米晶體線的熱膨脹系數公式,並進行了值計算。
  2. Cordierite is a kind of superior heat - resistant material melting point can achieve 1400, and its thermal expansion coefficient is close to zero

    Cordierite是一種優越的耐材料(熔點達1400 )其熱膨脹系數接近於零,因此,可忍受急劇之溫差。
  3. And due to the heat expansile coefficient of the stainless steel rather high, the connecting force between the stainless steel pipe and the pipe coupling in the room temperature is much less than that between the titanium alloy pipe and the pipe coupling. the results accord with the tensile experiments well. finally, the dependence of dimensions of the coupling on the strength of the connector system is analyzed

    模型計算還表明,被接管材料和管接頭材料之間的熱膨脹系數的差異會造成管接頭統的室溫強度低於高溫強度;由於不銹鋼的熱膨脹系數較大,使得室溫下1不銹鋼管與n立tinb形狀記憶合金管接頭間的抱緊力遠小於鈦合金管與nitinb形狀記憶合金管接頭間的抱緊力,成功地解釋了拉脫實驗中的結果。
  4. It is found that the ca ( no3 ) 2 - po ( oh ) x ( oet ) 3 - x - c2h5oh system with cf3cooh added gives out much gas during heat - treatment which will result in films with many c

    Fha薄膜較純ha薄膜有較好的與基板的結合強度,這得益於兩方面:一方面fha熱膨脹系數較ha小,與
  5. Hypereutectic al - si alloys are known to be suitable for wear - resistance material because of its low density, high tensile properties and low coefficient of thermal expansion

    高硅鋁合金的耐磨性好,強度高,密度低,熱膨脹系數小。
  6. The relations between relative measurementerror resulting from temperature and heat distensibility coefficient of coil ’ s framework andwindingcoilwerecarriedout. theinfluenceofelectromagnetisminterferenceontheaccuracyof rogowski coil, as well as the effect of temperature on integraph, were studied. somemeasures based on the above investigating results were proposed to insure the precision ofrogowski coil sensor head, such as the selection of materials and facture methods, improvment of technics and design of additional compensation

    利用建立的rogowski線圈的學模型對溫度和外界干擾磁場的影響進行了分析,得出了溫度造成的相對誤差與線圈骨架和繞組線圈熱膨脹系數之間的關;從兩個方向上分析了干擾磁場對線圈精度的影響;分析了溫度對積分器的影響等。
  7. The studies indicate that different content of pyrophyllite and dolomite can cause the following three cases : ( 1 ) making the refractory point decrease linearly and, to some extent, influencing the microstructure and properties of sintered body ; ( 2 ) acceleratingmullite formation during sintering, reducing thermal expansion coefficient of bond, reinforcing the matching nature and improving the flexural strength and shock strength ; ( 3 ) preventing sic grinding tool from generating black core, expanding suitable sintering temperature range of sic grinding tool

    同時,也不同程度地影響了磨具燒結體的微觀結構和性能; ( 2 )可促進在燒結過程中莫來石的形成,降低結合劑的熱膨脹系數,加強了結合劑與磨料的匹配性,提高了磨具的抗折強度和抗沖擊強度; ( 3 )在一定溫度范圍內還可防止碳化硅磨具出現黑心現象,拓寬了碳化硅磨具的燒結溫度適應范圍。
  8. Experiments show the optimum content of pyrophyllite and dolomite is 30 % ; in contrast to original bond, the refractory point of bond is reduced by 55, the average coefficient of thermal expansion is reduced by 30 % and flexural strength and shock strength of grinding tool are increased by 27 % and 22 % respectively

    通過實驗發現:葉蠟石和白雲石最佳含量為30 % ,與原結合劑相比,結合劑耐火度降低了55 ,平均熱膨脹系數降低了30 % ,磨具抗折強度提高了27 % ,磨具抗沖擊強度提高了22 % 。
  9. The t - r characteristics may originate from the total function of volume expansion and temperature susceptibility of asphalt, the deference of volume expansion coefficient with heat between asphalt and graphite, and internal stress

    而溫敏產生的原因則為瀝青的體積、石墨和瀝青的熱膨脹系數差異、內部應力和瀝青溫度敏感性共同作用的結果。
  10. The measuring element of the bimetal thermometer is a quick reacting bimetal coil. it is manufactured from two cold - welded metal strips with different thermal expansion coefficients and rotates in proportion to temperature

    雙金屬溫度計的測量元件是一個快速反應雙金屬線圈,由兩根不同熱膨脹系數的金屬條冷焊在一起,根據溫度比例旋轉。
  11. The results indicated that, the fabrication process of ultra - fine grain material is mainly determined by the stress, rotate speed and the flux of cooling water. the grain refining and the hardening effect are mostly affected by the rotate speed and the flux of cooling water. compared with commercial ly12, the invalidate strength and the prolongation rate of the ultra - fine grain material are properly improved in the measurement of compression property ; and the abrupt change of the dilatability of the ultra - fine grain material at 500c is found ; also the phenomena of which the grain size of these microstructures is stable when annealed under 300c is observed

    研究表明,採用本文提出的摩擦壓扭強變形區轉移法可以得到棒狀的超細晶材料,軸向壓力、扭轉速度和溫度是採用該方法制備超細晶材料的主控參;試件的旋轉轉速和冷卻速度對變形區晶粒細化和硬化效果影響顯著;超細晶ly12的壓縮性能與淬火+自然時效狀態的ly12壓縮性能相比,斷裂強度和延伸率均有一定程度的增強;超細晶ly12的熱膨脹系數在550左右發生明顯的變化。
  12. Advances in research on low cte polyimides used in flexible printed circuit board applications

    用於撓性印製電路基板的低熱膨脹系數聚酰亞胺研究進展
  13. Model sywly - 75 physics high to foam polyethylene insulating, aluminum pipe other conductor coaxial cable suitable for catv backbone project, its interior conductor adopt bastion of iron make aluminium, other conductor adopt aluminum pipe, the two have the same hot coefficient of expansion and modulus of elasticity, woods reduce in cable conductor draw the troubles that are led to the fact

    Sywly - 75型物理高發泡聚乙烯絕緣、鋁管外導體同軸電纜適用於catv主幹線工程,其內導體採用銅墻鐵壁包鋁,外導體採用鋁管,兩者具有相同的熱膨脹系數和彈性模,林減少了由電纜內導體拉拔所造成的故障。
  14. The heat expansion coefficient of plastic is much higher than metal caused by abrasion heat and the change of environment condition. plastic gear needs enough gap

    因磨擦和環境條件的變化,塑料比金屬熱膨脹系數高許多,塑料輪需要足夠的
  15. The heat expansion coefficient of casting nylon materials is about 10 times larger than steel, so the internal dia shrinks caused by the expansion. it will influence the connection gap of the abrasive surface

    鑄型尼材料的熱膨脹系數約比鋼材大10倍左右,所以軸套在運行時由於摩擦所造成的變形使內徑縮小,影響摩擦面的配合間隙。
  16. When the amt concentration was below 3phr ( 3g amt / 100g epoxy resin ), the cte values of composites decreased from 0 to 20 % of that of pure epoxy, however, the light transmittancies in near ir region of composites were more than 80 % of that of the pristine epoxy, indicating that epoxy / amt exfoliated nanocomposites could be used as packaging materials for optoelectronic devices

    對剝離型納米復合材料的熱膨脹系數進行了研究,隨著粘土含量的增加體熱膨脹系數顯著下降,且仍保持較好的光學透明性。表明粘土納米復合是一種很好的制備高透光率和低的光電器件包裝用環氧樹脂基復合材料的方法。
  17. Test method for linear thermal expansion coefficient of fiber reinforced metals

    纖維增強金屬線性熱膨脹系數的試驗方法
  18. Natural stone test methods - determination of linear thermal expansion coefficient

    天然石料試驗方法.線性熱膨脹系數的測定
  19. Natural stone test method - determination of linear thermal expansion coefficient

    天然石料試驗方法.線性熱膨脹系數的測定
  20. Agglomerated stone - test methods - determination of linear thermal expansion coefficient

    燒結石料.試驗方法.線性熱膨脹系數測定
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