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The CCT curves of pipeline steel X80 were drawn by adopting dilatometer and metallographic method, and the effects of cooling rates on microstructure and hardness of the steel were studied.

采用热膨胀法和金相法相结合测绘管线钢X80的CCT曲线，并研究冷却速率对组织和硬度的影响规律。

The CCT curves of two kinds of steels were tested with heat dilatometer at different cooling rate. Corresponding microstructures were observed with LASER microscope.

采用热膨胀法测试试验钢不同冷速下的连续冷却转变曲线，用40MAT型激光显微镜观察相应的显微组织转变特征，并进行硬度及强度测试。

The only alternative and referential way to predict the phase transformation temperature is to make use of the continuous cooling transformation diagrams, which are measured dilatometer curves that have not taken the effect of practical welding conditions into account.

由于焊接过程的瞬时性和焊接热影响区温度场、应力场的复杂性，该区域的组织转变往往并不完全遵守热处理条件下CCT 图所反映出的相变规律，因此为了提高焊接接头的性能，有必要深入研究真实焊接条件下热影响区组织的相变规律，尤其是马氏体组织的相变规律，因为在含碳量较高或合金元素较多的情况下，这两类钢的淬透性较强，在焊接热影响区极易形成高硬度马氏体组织，从而严重影响焊接接头的性能。

The experimental results indicated that the crystallization rate increased by increasing interaction between PVDF and diluent or increasing the cooling rate.

实验结果表明结晶速率随着聚合物与稀释剂之间的相互作用的减小或者冷却速率的增大而增大。

Finally, it pointed out the application space and the widely developing prospect of direct air-cooling system.

最后指出了直接空冷系统的应用空间和广阔的发展前景。

The hydrophobic association in heating process is not the same as the disassociation in cooling. Thermal gelation behavior is strongly influenced by the degree of substitution.

HPMC的两个取代基团对热凝胶过程的影响效果是相反的，羟丙基和水分子之间的氢键作用对预凝胶阶段的开始起着阻碍作用，而甲氧基则对凝胶阶段的大分子的疏水结合起促进作用。

Precision machined disk brake, due to its excellent cooling characteristics, this ventilated brake disk allows smooth and precise braking.

刹车盘精密机械盘式制动器，由于其良好的冷却特性，这通风刹车盘允许的顺利和准确的制动。

Disodium hydrogen phosphate dodecahydrates possesses the largest mass heat storage capacity among the low temperature phase change materials, which are classified as inorganic, organic and then: composites, yet it experiences phase segregation and super cooling when melting and hinders its application in latent heat storage system.

低温相变材料可分为无机、有机物及其复合物。十二水磷酸氢二钠(Na_2HPO_4·12H_2O)是其中质量储热密度最大的一种，但由于熔化时发生相分离，而妨碍了它的实际应用。

The results of DSC and TG studies showed that the blends maintained the heat stability as that of the matrix. The dispersion of the reinforcing phase in the matrix can be well maintain under the circle heating and cooling heat treatment, which is important for its applications.

DSC和TG的研究结果表明，所获得的共混体系基本上保持了基体本身的热稳定性，同时共混体系的热稳定性还受到嵌段共聚物含量的影响；在反复的升降温过程中，嵌段共聚物在基体中的分散状态得到很好的保持，表现出相当的相结构稳定性，这一性质对于材料在工业上的应用意义重大。

In the displacer cylinder, the heating and cooling of the air takes place, while the force to run the engine is developed in the internally connected power cylinder.

在displacer缸，加热和冷却的空气发生，而部队以执行引擎是发达国家，在国内连接电源缸。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。