heat conductivity 中文意思是什麼

heat conductivity 解釋
導熱度
  • heat : n 1 熱；熱力；熱度；熱量。2 體溫；發燒。3 （氣候的）高溫，暑氣。4 【冶金】熔煉的爐次；裝爐量；一...
  • conductivity : n. 【物理學】傳導性[力]，傳導率；導電率[性，系數]。
  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. Firstly, the surface characteristic of polystyrene particle is changed from water detesting to water intimity by using special techniques and admixtures so mat the compound quality with inorganic materials is insured. secondly, the contradiction between the weight and strength is solved through optimizing the particle size and using composite fiber and the best heat conductivity is achieved under the condition that the necessary strength is met. in the research process, the author solved the problem of fiber dispersing in insulating materials so that the contraction of the material is controlled

    課題研究中，首先採用特殊的改性工藝及外加劑實現對聚苯乙烯顆粒表面的成功改性，使其表面由憎水轉化為完全親水，確保與無機材料的復合質量；其次，通過採用優化骨料級配及使用復合纖維等措施解決了保溫材料的輕質與強度的矛盾，使保溫材料在滿足必要的強度的前提下，導熱系數降至最小；並且，課題研究中成功解決了纖維在保溫材料中均勻分散的問題，達到了抑制保溫材料收縮的目的；最後，通過採用復合外加劑、合適的膠凝材料及合理的配比等措施確保該保溫材料具有良好的和易性，滿足施工的要求。
  3. Metals are elements that can be defined by their properties, such as ductility, toughness, malleability, electral and heat conductivity, and thermal expansion

    金屬是根據可鍛性，剛性，可塑性，電熱導通性以及熱膨脹度等特徵來定義的多種元素的復合物。
  4. Backing layer castable is noted for low heat conductivity, good quality of being a whole part and good erosion resistance to mental steel

    久襯澆注料整體性好、不開裂、導熱率較低，且具有一定的抗鋼水和鐵水侵蝕能力。
  5. Zro2 fibrous cloths are characterized by their high melting point ( 2600 ), high - temperature resistance ( 2200 ), oxidation - corrosion resistance, quick absorbing alkaline, high alkaline absorption, and low heat - conductivity and resistivity, etc. zroi fibrous cloths that can be used as the nickel - hydrogen battery separators were first developed by using precursor process at home

    氧化鋯纖維布具有熔點高（ 2600 ） 、耐高溫（ 2200 ） 、抗氧化、耐腐蝕、熱傳導率低、吸堿速度快、吸堿率高、面電阻小等特點。
  6. These concrete works are the following : 1, a new heterogonous shs model had been proposed, which first included all the relative materials characters, such as reactants particle sizes, changeable heat - conductivity and mass diffusion during shs and so on, and its chemical reaction characters, initial combustion status

    具體工作如下： 1 、提出了微觀不均勻的燃燒介質模型，在此基礎上完成了對非均質燃燒模型數學化的研究，並提出了「燃燒基團」模式，解決了模型數學分析量大的難點。
  7. In the thermal fusion device, the materials of the plasma facing components are expected to have high thermal resistance and outstanding heat conductivity. using a single kind of material, however, can not meet the above two requirements at one time. therefore, the joining technique is regarded as a proper approach to improve the properties of the conventional materials

    在熱核聚變反應裝置中關鍵結構件「面向等離子體」元件要求材料具備良好的耐高溫性和導熱性，而現有的單一材料不能同時滿足該要求，因此，通過連接技術將現有材料進行改善是合適的。
  8. Based on a cone - shaped compound heatshield, a series of research work has been done from the investigation of theoretical analyses of ablative and insulating principles and technical experiments. 1 based on the exploration of improving material performances, a feasible scheme of adding insulating functional layer is proposed ; 2 a simplified calculation method is proposed via establishing fea ( fmite element analysis ) and instantaneous heat transmission is calculated with the mentioned method ; 3 a practical engineering scheme is proposed through a series of experiments ; 4 the interface problems of the function layer are solved through co - curing method and successful samples are manufactured ; 5 in order to estimate properties, the heatshield was anatomized engineering applied possibility is explored on the analyses of performance evaluation by testing mechanical properties, coefficient of heat conductivity and doing dynamic ablative experiments, also, the comparison with that of the required materials is done

    本文以一錐形復合防熱套為研究對象，從燒蝕、隔熱機理的理論分析和工藝試驗兩方面，進行了一下研究工作： 1 、通過對提高材料及製品通過對提高材料及製品隔熱性能的多種途徑進行探討，提出了採用添加隔熱功能層，研究復合型大面積防熱套是理論有效、工藝可行的方案； 2 、通過建立有限元分析模型，對防熱套的燒蝕隔熱行為進行了理論分析，提出了簡化的隔熱計算方法，並用該方法對復合型防熱套的瞬態傳熱模型進行了分析計算； 3 、通過復合型防熱套的工藝探索試驗，提出了一種工程應用上切實可行的工藝方案。
  9. Through applying thermodynamics theory, it is concluded that the heat conductivity of steel - fiber concrete is superior to normal one

    根據熱傳導理論對數據進行分析，得出了鋼纖維混凝土有較好導熱性以及鋼纖維混凝土的早期抗變形能力要強于普通混凝土的結論。
  10. It ' s one of important component of rectifier of electrical locomotive, requires high heat conductivity coefficient, strength and electric breakdown voltage

    氮化鋁陶瓷絕緣散熱片是新型「交?直?交」電力機車整流器的重要部件之一。
  11. Much attention has been paid on pure or doped zirconia thin films because of their high melting point, low heat conductivity, high ionic conductivity and chemical durability. in the case of metal - oxide - semiconductor ( mos ) devices and high - temperature superconductor ( hts ) wires, zirconia epitaxial thin films are promising buffer layers and have been intensely studied in the past two decades

    純的或摻雜的氧化鋯薄膜因其高熔點、低熱導率、高離子導電能力和高溫化學穩定性而受到相當的重視，而且氧化鋯外延薄膜在金屬氧化物半導體（ mos ） 、高溫超導帶材等領域的應用受到越來越多的關注。
  12. There should be some lateral heat conductivity in the outer wall, which is easier if it is thicker

    很多建築學文獻談到了墻體的熱傳導問題，如果墻體加厚，就更容易解決問題。
  13. Because of the addition of filling agent, some characteristics of polyterafluoethylene are greatly improved, especially on abrasion resistance, heat conductivity, contravariance and self lubrication, which are obviously better than pure polytetrafluoethylene products

    由於填充劑的加入，從而大大改善了聚四氟乙烯的某些特性，特別是耐磨耗、導熱、抗蠕變、自潤滑方面比純聚四氟乙烯製品有較明顯的改善。
  14. The common nonmetals tend to be less ductile, have no electrical conductivity, and have poor heat conductivity

    普通非金屬趨向于少延展性、無導電性，而且傳熱性能不好。
  15. Aluminum alloy matrix composite has a series of advantages such as low density, high specific strength and specific modulus, high wear resistance, low coefficient of expansion, high coefficient of heat conductivity and high cooling rate

    鋁基復合材料具有密度低、強度和模量高、耐磨損、膨脹系數低、導熱系數高以及散熱速度快等一系列優點。
  16. The hot - dip - depth and temperature difference between fluid and platelet wall are influenced by many factors, such as the coefficient of heat conductivity of platelet and fluid, the coolant fluid, the knudsen number, and so on. high temperature make kn number become bigger, and then microscale effects become notable

    3 、熱浸深度、流體與層板壁面的溫差大小要受層板的導熱系數、冷卻劑流量及流動的kn數等因素的影響。高溫條件使kn數增大，微尺度效應增強;而高壓條件下kn數減小，微尺度效應減弱。
  17. After studying the precision of fdm process, a rapid edm electrode fabrication technology based on fdm is developed, the technology, which combined pulse - reverse electroforming with strengthening of copper wire - arc spraying, can obtained compact crystal electrode ' s working part, and strengthened filling part which has big adhesion strength, better electricity and heat conductivity, the edm performance of the obtained electrode reaches that of electrolysis copper electrode

    繼fdm工藝精度研究后，開展了快速模具製造技術的研究，建立了基於fdm原型快速製造電加工電極的工藝。該工藝將脈沖電鑄和電弧噴塗紫銅背襯相結合，獲得了結晶緻密的電極工作層和結合強度高、導電與導熱性良好的電極背襯層，得到的電極達到了常規機加工紫銅電極的電加工性能。
  18. The heat conductivity of bentonite will increase with the rising of water content in bentonite under the same compact density

    結果表明，在相同的壓實密度條件下，隨著膨潤土含水率的增加，導熱系數也增加。
  19. The heat conductivity of bentonite is one of the important parameters for buffer / backfilling materials as barriers in high level radioactive waste disposal system

    摘要膨潤土的熱學性能是評價膨潤土作為高放廢物深地質處置庫緩沖回填材料的重要參數。
  20. The laboratory tests indicate that the heat conductivity of bentonite is correspondent to the charge of water content in bentonite

    高廟子膨潤土礦床初步確定為中國緩沖回填材料的供應基地，本研究通過實驗，獲得了高廟子膨潤土的導熱系數。
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