查询词典 thermal conductivity

At first,the limitation of the general heat conduction equation is discussed and then,nonlinear heat conduction equations are derived,when we consider that thermal conductivity,specific heat capacity and density are dependent of temperature.

研究了线性情形中热传导方程的局限性，在此基础上考虑到热传导方程中导热系数、比热容、密度与温度的关系，导出了非线性热传导方程，并求出了几类非线性热传导方程的孤波解。

The thermal conductivity in the table are experiment values of plate method.

表内导热系数指标为平板法试验数值。

Key words:steel fiber concrete; thermal conductivity; temperature gradient; model test

关键 词：钢纤维混凝土；热传导；温度梯度；模型试验

In the most general case the thermal conductivity is a tensor with six components.

在最一般的情况下，热导率是一个具有六个分量的张量。

The effect of wall thermal conductivity and wall heat capacity were discussed.

对两模型墙体周期性传热过程进行数值模拟，主要讨论了墙体导热系数ks和墙体热容 Cs的影响。

Indirect methods of estimating thermal conductivity and volumetric heat capacity have been described and employed.

间接方法估算导热性和体积热容量已说明和使用。

The thermal conductivity of wood was studied in this thesis using several theoretical and experimental methods.

本论文通过多种手段对木材的导热系数进行了理论和实验研究。

In high-temperature steam in the thermal conductivity of the environment there will be some increase.

在高温水蒸气环境中热导率会有一定的上升。

The thermal conductivity of wooden is weak.

木头的导热性很差。

The relationship of thermal conductivity with the content of MgO was studied.

研究了导热性能与氧化镁填充量的关系。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。