conductivity of materials 中文意思是什麼

conductivity of materials 解釋
材料導熱系數
  1. Soil quality - determination of hydraulic conductivity of saturated porous materials using a flexible wall permeameter

    土質.使用軟壁滲透儀測定飽和多孔材料的水滲導性
  2. Standard test methods for measurement of hydraulic conductivity of saturated porous materials using a flexible wall permeameter

    使用撓性壁滲透計測量飽和滲透性材料水滲導性的標準試驗方法
  3. Test on gases evolved during combustion of electric cables - part 2 : determination of degree of acidity of gases evolved during the combustion of materials taken from electric cables by measuring ph and conductivity ; amendment 1

    電纜燃燒時排出氣體的試驗.第2部分:通過測量ph值和電導性來測定電纜中的材料在燃燒時所排氣體的酸度.修改件1
  4. The sculpture is constructed with a double - shell system of copper and zinc. these two materials have a great degree of difference in their thermal conductivity. the materials are structurally bonded together to allow for their varying degrees of expansion

    雕塑採用了銅和鋅雙層板作面層，利用兩種金屬不同的導熱系數，隨時表現出冷縮熱脹的效果，創造出一個抽象和簡潔的動感雕塑，讓人們感覺出周圍溫度的變化和陽光的美。
  5. After that, according to thermal conduction theories of anisotropic materials that were irradiated with continuously modulated laser, a photothermal measuring method about the thermal conductivity tensor and the orientation of the principal axis of the conductivity of arbitrarily opaquely anisotropic materials in the descartes coordinate axes was given by virtue of the theories of so ( 3 ) group rotation

    隨后又以在連續調制光輻照下的各向異性介質的熱傳導理論為基礎，通過so （ 3 ）群轉動理論，導出確定任意不透明各向異性介質在笛卡兒坐標下的熱導張量和熱導主軸方向的測量方法。
  6. Methods of sampling and test for carbonaceous materials used in aluminium manufacture - cold ramming pastes - determination of the thermal conductivity of baked rammed paste

    制鋁工業用炭素材料取樣與試驗方法.第4部分:冷搗糊塊.第12節:烘焙搗糊塊熱導率測定
  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. Test method for thermal conductivity of nonmetal solid materials by hot - wire method

    非金屬固體材料導熱系數的測定熱線法
  9. In addition, the nanometer - size particles of bn was doped into the mg - si - based thermoelectric materials as the second - phase for the first time. the result showed that the introduction of nano bn could decrease the thermal conductivity of the mg2si - based thermoelectric material and as a result its power factor were improved

    論文還首次在mg一si基熱電材料中引入bn納米粒子第二相，結果表明:在mg一si基熱電材料體系中引入bn納米粒子第二相能有效降低材料的熱導率，提高熱電材料的優值系數。
  10. Study on probe to measure thermal conductivity of food materials at low temperature

    探針法測量低溫下食品導熱系數研究
  11. Effects of additives on the sintering properties and electric conductivity of nife2 o4 spinel anode materials

    摻雜對鎳鐵尖晶石陽極材料燒結性能及電導率的影響
  12. As sensitive materials, carbon nanotubes could also be used as gas sensor. the good conductivity of this kind of gas sensor could get response current at milliamp level which were easily detected. mwnt possess good adsorption of gases

    在氣敏傳感器中，納米碳管一則有優良導電性能可提高響應電流，便於測量；二則，其優良的氣體吸附可改變電導，增強敏感性，發現它對二甲苯、甲苯較敏感。
  13. We are devoted in the research, development and application of high precise alloy materials, high - conductivity aluminum materials for metro and aviation and other hi - tech products

    公司是「全國鋁型材企業十強之首」 ，在二十世紀末和二十一世紀初創造了許多行業第一：
  14. The first part of this thesis includes the following information : ( 1 ) the significance of materials and the progress in every fields of material science in recent years ; ( 2 ) the history of magnetic material and the classification of magnetic material ; ( 3 ) the emergency and the classification of organic magnetic materials as well as the significant progress in the field of ferrocene polymeric magnet recently ; ( 4 ) introducing die development and the status quo of dielectric polymer and discussing the four parameters which are used to characterize the dielectric beheaviour of material, these parameters mclude dielectric constants dielectric loss ^ electric conductivity and breakdown strength

    本文在開頭部分簡單講述了以下內容了： （ 1 ）材料的重要性以及近些年來材料業各個領域的發展； （ 2 ）磁性材料的發展史以及磁性材料的分類； （ 3 ）有機磁性材料的出現、有機磁性材料的分類和近些年來有機金屬磁性材料尤其是二茂鐵高分子磁體領域所取得的重要進展； （ 4 ）高分子介電材料的發展與現狀，對表徵材料介電性能的四個重要參數即介電常數、介電損耗、電導率和擊穿強度做了比較詳盡的論述。
  15. The influence of doping materials to the thermal conductivity of shape - stabilized phase change material

    摻雜對定形相變材料導熱系數的影響
  16. Measuring methods for electrical resistivity and conductivity of non - ferrous materials

    有色金屬材料的電阻率及導電率測量方法
  17. In addition, due to the good thermal conductivity of steel materials, the pavement layer upon the deck should have good thermal stabilities and low temperature deformation abilities. in terms of paving materials and erecting methods, the steel deck pavement systems adopted in the world can be generalized into four types : the first one is the gussasphalt. then is the mastic asphalt

    從鋪裝材料和施工方法來分類，目前世界上所採用的鋼橋面鋪裝體系，概括起來大致有四類：第一類為高溫拌和澆注式瀝青混凝土（ gussasphalt ） ，第二類為瀝青瑪蹄脂混合料（ masticasphalt ） （實際上也是澆注式瀝青混凝土，只是拌和、攤鋪工藝有所不同） ，第三類為瀝青瑪蹄脂碎石混合料（ stonemasticasphalt ，簡稱sma ） ，第四類為環氧樹脂瀝青混合料（ epoxyasphalt ） 。
  18. According to these results, the electronic conductivity, seebeck coefficient, thermal conductivity and figure of merit of materials are computed. the results are consistent with experimental measurements

    根據所求出的有效質量、載流子濃度估算了上述三個模型的電導率、熱導率、 seebeck系數和材料的熱電品質因子，計算結果與實驗測量值的變化趨勢一致。
  19. It is also found that, the thermal conductivity of materials with big quality ratio reach a same convergence with different width of films

    同時還發現，薄膜的寬度不同時，大質量比的材料的導熱系數趨於一致。
  20. Standard practice for evaluating thermal conductivity of gasket materials

    襯墊材料的導熱性評定的標準實施規程
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