Simulating different solidification cooling rate with step-metal mould and sand mould, the effect of solidification cooling rate on microstructure and properties of high boron steel were studied.

利用阶梯型腔金属模和砂型模拟不同的冷却速度，研究了冷却速度对高硼钢凝固组织和性能的影响。

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High voltage blasting lets the used sand to be under boiling state, therefore best cooling effect can be reached.

高压鼓风使旧砂处于沸腾状态，达到最佳冷却效果。

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Effect of Manganese on austenite cooling transformation of high Chromium cast iron is investigated.

研究了锰对高铬铸铁奥氏体冷却转变过程的影响。

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But rates were frozen for the second consecutive month at 4.75% almost a fortnight ago, having climbed from 3.5% in November last year - an indication the MPC was confident the rises were having the desired effect of cooling house prices and curbing high consumer borrowing.

BBC: NEWS | UK | Scotland | Economic growth 'will continue'