查询词典 heat capacity

It is pointed out that the heat capacity of a polytropic process is not certainly a constant, and that the adiabatic process can not be regarded as a special case of polytropic process.

状态方程为 p Vn=c。定义 2 [4 ] 理想的等温过程、绝热过程都是难以实现的。气体状态变化时，总是和外界进行部分热交换，实际过程介于上述两个理想过程之间。

By analyzing the reason of the numerical oscillation phenomenon and computing the temperature field in plate rolling process,it is found that numerical oscillation can be restrained effectively when the heat capacity matrix is lumped by using backward difference scheme.

近年来，许多研究人员采用有限元法分析热轧和淬火等过程中的瞬态温度场。

The heat capacity of the cold and hot points of said thermopile together with its mounting and the heat conductivity of said mounting are co-ordinated with each other in such a way that a change in the temperature of the housing causes an equal change in the temperature of the cold and hot points, so that no temperature gradients occur inside the thermopile.

热电堆的冷端和热端及其支撑结构的热容量与支撑结构的热导率相互协调，以便壳体的温度变化引起冷端和热端同等幅度的温度变化。也就是说，所述热电堆中不存在温度梯度。

Effective heat capacity method was used to simulate heat transfer of freezing phase change growth in the metallic foams at the third boundary condition. The average temperature distributions vs. time in the metallic foams were obtained. The results showed effects of different porosity and thermal conductivity on the temperature distributions.

采用显热容法模拟了第三类边界条件下泡沫金属中水的冻结相变传热过程，得到了泡沫金属中骨架和流体的温度分布及其平均温度的变化，分析了不同骨架导热系数及不同孔隙率对介质温度分布的影响。

Introducing the wet bulb specific heat capacity and the wet bulb heat transfer coefficient, a new mathematical model for the plate wet air cooler was developed based on the wet bulb temperature transfer characteristic.

分析结果表明壁面润湿率对冷却性能具有显著影响，而夹杂在空气中的液滴对传递过程的影响相对较小，工程计算可忽略夹杂液滴对传递模型的影响。

The standard formation heat of gaseous trimethylbenzene was estimated with Watson empirical equation. The gaseous trimethylbenzene's standard entropy was calculated with bond entropy method and its heat capacity changing trend with temperatures was obtained according to polynomial regress.

气相三甲基苯的标准生成热ΔH(上标θ下标 298.15)用沃森经验方程估算，标准熵S(上标θ下标 298.15)用键熵法估算，摩尔等压热容C随温度的变化趋势通过多项式回归的方法得到。

In the article we do some analysis, count and contrast on the change of period-mode heat treatment electric stove's accumulation of heat capacity and stove weight and the furnace lining's structure of it has been improved on.

通过对周期式热处理电炉在炉衬结构改进前后的蓄热量和炉体重量的分析计算对比，证明了耐火纤维在周期式热处理电炉上的应用，将会给热处理电炉带来显著的节能经济效果。

The solid liquid phase change heat transfer was simulated by the equivalent heat capacity method.

将激光传输的七流模型和固液相变传热的等效热容法相结合，提出了激光照射下生物组织解冻过程的二维数值计算模型。

Using the relative reflection as weighting factor, the weighted mean of the surface albedo over Dunhuang Gobi in typical arid region is calculated and its values are 0.255 ± 0.021. After canceling the interference of the buildings, the mean values of the roughness length averaged with logarithm is 0.0019 ± 0.00071 m. After removing the influence of the oasis, the soil wetness factor computed with data under condition of no precipitation is 0.0045. After removing the influence of the precipitation .the mean values of the soil heat capacity over Dunhuang Gobi in typical ac-id region is 112 × 10 ~6 m~(-3)K~(-1), a bit smaller than the values observed i n HEIFE. But the soil heat diffusivity and conductivity are about one of those observed in HEIFE. The soil water content over Dunhuang Gobi in typical synoptic condition is very little and does not exceed 1% basically.

并且利用相对反射为权重加权平均，计算得到典型干旱区敦煌荒漠戈壁的平均反射率为0.255±0.021；剔除建筑物干扰后，利用对数平均法计算的粗糙度长度平均值为0，0019±0.00071 m；剔除绿洲影响后，用无降水影响的资料确定出土壤湿度影响因子为0.0045；剔除降水影响后，用观测资料计算的敦煌典型干旱区荒漠戈壁的热容量平均值为1.12×10~6m~（－3）K~（－1），比&黑河试验&在戈壁和在其它沙漠观测的有关值略小一些，但热扩散率和热传导率都比&黑河试验&在戈壁观测的值小一倍左右；观测的敦煌戈壁典型天气条件下的土壤含水量非常小，基本上不超过1％。

When the chassis cover 扣好, the use of the processor to indicate the temperature of the top of its heat capacity, heat sink temperature of the top of the number of degrees how many degrees is called chassis.

当机箱扣好盖之后，用处理器上方的温度来表示其散热能力，散热片上方的温度有多少度就叫多少度机箱。

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％。