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temperature gradient     
相关语句
  温度梯度
     A Comparative Study on Influence on Plant Communities and Mutual Species and Response to Different Temperature Gradient and Combination of Water and Heat in Inner Mongolia Steppe Region of Temperate Zone
     不同温度梯度及其水热组合对温带草原群落与共有种的影响及其响应的比较研究
短句来源
     TEMPERATURE GRADIENT IN COLD-SEAL PRESSURE VESSELS
     冷封式高压釜的温度梯度
短句来源
     An Investigation on Directional Solidification of Fe-Graphite Eutectic under High Temperature Gradient
     高温度梯度下Fe——石墨共晶定向凝固的研究
短句来源
     THE EFFECT OF TEMPERATURE GRADIENT ON ELECTROMAGNETIC TWO-STREAM INSTABILITY IN TOKAMAK
     托卡马克装置中温度梯度对电磁双流不稳定性的影响
短句来源
     The Relation Between Unidirectional Solidification Rate and NiSb Fibre Spacing of InSb-NiSb Eutectic Composite Under High Temperature Gradient
     大温度梯度下,InSb—NiSb共晶单向凝固速度与其NiSb纤维间距关系的研究
短句来源
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  地温梯度
     In four depth ranges,0~500m,500~2700m,2700~3600m,and below 3600m,the temperature gradient increases or decreases alternatively,with a mean of 24.8±3.4℃/km.
     在0~500m,500~2700m,2700~3600m及3600m以下这4个井段范围内,地温梯度随深度降低或增加的趋势交替变化,平均地温梯度24.8±3.4℃/km.
短句来源
     That is, comparing well temperature gradient with ground temperature gradient, there is a fixed deficit, and the dificit is 2.6℃/hm.
     井温梯度同比于地温梯度,井温梯度与地温梯度存在一固定差值,地温梯度与井温梯度之差为2.6℃/hm。
短句来源
     From the borehole temperature log and thermal conductivity measurements of core samples from the Well Dangshen 3 in the Dangyang synclinorium, Jianghan Basin, the present temperature gradient and heat flow were 20~24 ℃/km and 52 mW/m 2, indicating the stable tectonic nature of the Yangtze craton.
     江汉盆地当阳复向斜当深3井实测地温剖面和样品热导率测试结果表明:其现今地温梯度为20~24℃/km,热流值为56mW/m2,体现了盆地发育于扬子稳定陆块的大地构造属性。
短句来源
     Relationship and Application of Well Temperature Gradient and Ground Temperature Gradient in Geothermal Covering
     地热盖层中井温梯度与地温梯度的关系及应用
短句来源
     Influence of Earth Temperature Gradient on Ground Stress Calculation in Underground Mines
     地温梯度对地下矿山地应力计算的影响
短句来源
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  温度差
     This paper is an experimental study of thermal convective stabilityin a vertical porous layer provided the lateral temperature gradient.
     本文用试验方法研究多孔介质中,流体在均匀侧向温度差作用下的热对流稳定性问题。
短句来源
     The analysis for an etch method with temperature gradient showed that the pore size decreased with the increasing temperature gradient and could decrease to one-fifth of the normal size under the practical conditions.
     温度梯度蚀刻法的分析表明 ,导通时间的减小与膜两面的温度差成正比 ,在实际条件下孔径减小到 1/ 5。
短句来源
     The test data show that the more is the temperature gradient in soil, and the less is the soil density, the more is the soil water content gradient resulting from moisture migration.
     在温度差作用下,温度差越大,土体密度越小,水分迁移特征越明显,土样两端含水量差越大。
短句来源
     The concentration and temperature gradient between gas phase and the surface of supported silver catalyst,as well as the efficiency factor of external diffusion during the ethylene oxidation for epoxy ethane process in a fixed bed reactor was simulated numerically based on various kinetic equations related with silver catalysts.
     以不同类型银催化剂动力学方程为基础,对乙烯氧化制环氧乙烷气固相反应中气流主体与银催化剂表面间的外扩散浓度差、温度差以及外扩散效率因子进行了数值计算。
短句来源
     The method was proposed that adopts axial alternating magnetic field coupled with the pulse electric field in order to improve the temperature gradient during electric field activated sintering(EFAST).
     提出了在电场活化烧结过程中施加轴向交变磁场与脉冲电场耦合改善烧结体径向温度场以减小其温度差的方法,并对不同大小磁场的作用进行了数值模拟。
短句来源
  气温梯度
     The moment at which the air temperature gradient of che lowest troposphere reverses is the optimum time for electro-optical distance measurement. This paper introduces two calculation formulas to forecast the reverse moment of any date and any place in China. The checking computations indicate that the mean square error of prediction is within±14~m.
     近地层气温梯度逆转时刻是光电测距的最佳观测时刻,本文介绍了两个预报全国各地任何日期近地层气温梯度逆转时刻的计算公式,验算结果表明,预报中误差在±14~m 以内以推算出的逆转时刻为时间中心,在前后半小时内进行对称的距离观测,能使大气折射率误差对测距结果的影响在0.5ppm.
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  temperature gradient
The ratio of the moisture content (MC) gradient to the temperature gradient (dM/dT) was calculated and the factors influencing moisture movement under nonisothermal conditions were discussed.
      
The moisture content gradient opposite to the temperature gradient was established, and the dM/dT was below 0.9%/°C.
      
The thermal deformation problem in the continuous casting of a slab subjected to thermal loading because of the temperature gradient along the solidified shell thickness is investigated.
      
This research is useful for analyzing the bulging deformation in the continuous casting of a slab under the static pressure of the molten steel and the thermal loading because of the temperature gradient along the solidified shell thickness.
      
The anatomical features of leaves in 11 species of plants grown in a temperature gradient and a temperature + CO2 gradient were studied.
      
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