The results show that toughness of the coarse grained HAZ is improved after second welding heat cycle except intercritical two-phase heating.

力学性能测试结果表明，除在临界二相区加热外，二次热循环均使粗晶区得到初化。

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During heating, phase transformation and expansibility of the new quartz sands and the calcined Quartz sands from two places were determined by DSC and thermodilatometry.

本研究采用DSC和热膨胀仪对两种石英砂的原砂和焙烧砂在加热过程中的相变和热膨胀进行了分析。

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The influence of the rate of heating at phase transformation region, temperature of austenitizing and holding time on the austenite grains are studied.

讨论了在相变区的加热速度、奥氏体化温度及保温时间对奥氏体晶粒的影响。

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The firm said the construction phase would create hundreds of new jobs while the surface mine site could be tapped for geothermal energy to provide heating and cooling for the homes.

BBC: 'Garden city' plan for Margam opencast mine