查询词典 thermal

Thermal exposured at 175 ℃ for 100 h and 500 h, the yield strength decreases by 5.5% and 14%, and the elongation decreases by 4% and 9.3%, respectively. The fact that S′(Al2CuMg) precipitates get coarsen and the precipitate-free-zones get wider are responsible for the decline of the tensile properties of 2124-T851 aluminum alloy under thermal exposure condition.

于175 ℃热暴露500 h屈服强度和伸长率就分别降低14%和9%；于热暴露条件下，2124-T851合金拉伸性能衰退的主要原因是合金固溶体基体内主要强化相S′(Al2CuMg)相粗化以及晶界无沉淀析出带的宽化。

Thermal exposured at 175℃ for 100 h and 500 h, the yield strength decreases by 5.5% and 14%, and the elongation decreases by 4% and 9.3%, respectively. The fact that S'(AI2CuMg) precipitates get coarsen and the precipitate-free-zones get wider are responsible for the decline of the tensile properties of 2124-T851 aluminum alloy under thermal exposure condition.

于175℃热暴露500h屈服强度和伸长率就分别降低14%和9%；于热暴露条件下，2124-T851合金拉伸性能衰退的主要原因是合金固溶体基体内主要强化相S'(Al2CuMg)相粗化以及晶界无沉淀析出带的宽化。

The influence of excess air coefficient upon the thermal efficiency of heater has been discussed based on actual measurement and theoretical analysis on the relation between the excess air coefficient and flue gas loss, incomplete combustion loss and thermal efficiency of heater,the optimal excess air coefficient is given.

通过实际测试和理论分析过剩空气系数与排烟热损失、气体不完全燃烧热损失及加热炉热效率的关系，讨论了过剩空气系数对原油加热炉热效率的影响，给出了过剩空气系数的最佳范围。

The coefficient of thermal expansion and thermal conductivity of the composites decreased with the in...

随着SiC颗粒含量的增加，复合材料的热膨胀系数和导热率降低；SiC颗粒越小，热膨胀系数越低，而导热率越好；适当增加杂质含量有利于获得较高的导热率。

For example, the coefficient of thermal expansion of concrete, which is a thermal property, is fundamental to calculate the expansion potential of a concrete slab.

例如，热膨胀混凝土，这是一个热性能系数，是至关重要的计算混凝土板的扩张潜力。

The relationship between the composition and the thermal expansion coefficient of the glass was investigated by comparing the thermal expansion coefficients of the...

通过比较不同组成玻璃的热膨胀系数，讨论该体系玻璃组成与其热膨胀系数之间的关系。

And the coefficient of thermal expansion was measured by thermal mechanical analyzer.

采用空心玻璃微珠填充改性双马来酰胺树脂，研究了玻璃微珠用量、粒径及表面处理对材料性能的影响，并用热机械分析仪，测定了材料的线膨胀系数。

Wherein the first coefficient of thermal expansion is greater than the second coefficient of thermal expansion.

其中第一热膨胀系数大于第二热膨胀系数，及其中第一直径大于第二直径。

The studies of thermal expansion behaviors of the composites show that the residual stress relaxation affects greatly the coefficient of thermal expansion of the composite.

复合材料的热膨胀行为的研究表明，复合材料在加热及冷却的过程中应力变化对复合材料的热膨胀系数有重要影响。

The selection of thermal expansion coefficient is of vital importance to the correction of thermal error .

材料膨胀系数的选用对精密机械热误差修正的结果好坏有着决定性的影响。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。