熱擴散 的英文怎麼說

中文拼音 [rèkuòsǎn]
熱擴散 英文
heat diffusion; thermal diffusion
  • 擴 : 動詞（擴大） expand; enlarge; extend
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  1. In heterogeneous anisotropic materials the thermal diffusivity cannot be described by a single number.

    在各向異性的非均質物質中，熱擴散率不可能用一個簡單數字來表達。
  2. 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。
  3. Sustained efforts by lcsd to prevent dengue fever

    康樂文化署致力預防登革熱擴散
  4. Test method for thermal diffusivity of carbon and graphite by a thermal pulse method

    熱脈動法進行碳和石墨熱擴散的試驗方法
  5. Standard test method for thermal diffusivity of carbon and graphite by thermal pulse method

    用熱脈沖法測定炭和石墨的熱擴散系數的標準試驗方法
  6. A transfer model is established, which can be used to study the interaction between the land surface physical processes of inhomogeneous region and the structure of atmosphere boundary - layer over urban and rural terrains. the model has simulated surface heat flux, surface temperature, temperature profiles, height of mixture layer and so on. and the differences between urban area, suburban area and rural area have been compared. this model mainly depends on the parameters below : surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of errain, cloudage. the result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day. parameters used in this model aim at beijing city, and the time is at the beginning of september. to other cities, or other time, the parameters should be adjusted accordingly. in addition, being adjusted, the model can also be used for other homogeneous and inhomogeneous terrains

    模式主要依賴于以下參數和物理量：地面反照率下墊面粗糙度土壤的可含水量下墊面的熱容量和熱擴散系數雲量等參數。結果表明，本模式能合理地模擬不同地表熱量平衡地表氣溫混合層高度湍流交換系數湍流動能位溫廓線等，以及它們的日變化。該模式所取參數主要針對北京市，時間為九月初，對于其他城市，參數應作相應的調整。
  7. Effect of thermal diffusion and electrostatic force on the evolution of wind - blown sand flow

    熱擴散和電場對風沙流發展過程的影響
  8. The diffusion carrier concentration profile and junction depth were measured and compared with conventional furnace processing diffusion ( cfd ). it presented following conclusions : 1 ) the temperature distribution in quartz chamber of rtd furnace is uniform because square resistance is uniform after rtd ; 2 ) the diffusion velocity of rtd furnace by a factor of three compare to conventional furnace processing diffusion ( rtd ) ; 3 ) if diffusion temperature and doping phosphorus are equivalent, doping phosphorus of rtd are more than of cfd in equivalent distance to the silicon surface

    實驗研究了快速熱擴散（ rtd ） ：通過旋塗磷膠和印刷磷漿兩種方式考查了2 4和103 103單晶硅的快速熱擴散特性，發現： 1 ）此樣機的溫度場在空間分佈上是均勻的； 2 ）快速熱擴散可以比傳統擴散快3倍的速度進行擴散； 3 ）在擴散溫度和摻雜磷源相同的條件下，與傳統擴散相比，快速熱擴散將雜質向結更深的地方推進。
  9. Test methods of thermal diffusivity, specific heat capacity, and thermal conductivity for fine ceramics by laser flash method

    激光閃爍法測定精細陶瓷的熱擴散率比熱容量熱傳導率試驗方法
  10. These kinds of measurements are necessary for determinations of thermal diffusivities from the thermal conductivity and densities.

    根據熱導率和密度確定熱擴散率必須進行這種測量。
  11. In materials marked by low thermal diffusivity, the absorption is good.

    熱擴散率低的物質吸收性好。
  12. Limiting the extraction of great amount of heat from the underground even more is the low thermal conductivity and low thermal diffusivity of rocks.

    由於巖石的熱導率和熱擴散率都比較低，更加限制了地下熱能的大量抽取。
  13. Test method for thermal diffusivity of hardmetal carbide

    硬質合金熱擴散率的測定方法
  14. Standard practice for calculating thermal diffusivity of rocks

    計算巖石的熱擴散系數的標準實施規范
  15. Method for measuring thermal diffusivity of metals by the laser flash method

    用激光閃爍法測量金屬的熱擴散性的方法
  16. Specification for thermal spray feedstock - solid and composite wire and ceramic rods

    熱擴散原料規范.固體合成導線及瓷棒
  17. In the forth chapter, the sl threshold pressures for bubbles with different noble gases were measured experimentally. results show that the threshold pressure increases with the decrement of molecular mass for gases inside the bubbles

    氣泡內的惰性氣體不同使氣泡內的絕熱系數和熱擴散系數不同，惰性氣體的原子質量越大，氣體的絕熱系數就越大而擴散系數就越小。
  18. Applying the heat dissipation technique to study the sap flow of pinus elliottii in the red earth area of subtropical china

    應用熱擴散技術對亞熱帶紅壤區濕地松人工林樹干邊材液流的研究
  19. Taking into consideration of the factor include heat diffuse coefficient of soil and time, which affect soil temperature of differential deep, the model can calculates temperature of any time in different depth

    模型中充分考慮了土壤熱擴散率、時間對溫室土壤不同深度的溫度影響，可計算出任一時間、土壤不同深度的溫度。
  20. It presents a mathematical heat transfer model of air and soil temperature in greenhouse basing on the theory of transmission of heat. the model calculates the heat diffuse coefficient of soil by difference method and establishes regression equation on experimental data by sas

    基於傳熱學的熱傳導方程，利用測試的地溫數據，選用差分法計算了土壤熱擴散率，應用sas軟體擬合了非線性方程，建立了日光溫室土壤溫度場的數學模型。
分享友人
分享到 Line

分享到臉書