The results indicated that in low temperature range, the yield strength and tensile strength decreased obviously as temperature increased.

在低温范围内随温度升高屈服强度和抗拉强度明显降低。

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Experimental results show that apparent specific heat of sand mold materials is considered as a constant in low temperature range, but it is...

实验结果表明，砂型材料的表观比热在低温范围内可视为常数，但在高温范围内，砂型材料的表观比热是温度的幂次多项式函数。

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As two means to get a low temperature, two-stage compression cycle and cascade cycle have their advantages of economical performance in different temperature range.

对于获取低温的两种手段—双级压缩循环和复叠循环来说，它们分别在不同的温区具有经济性优势。

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This 100-nanometer membrane, comprising the electrolyte and electrodes, has to be thin enough to allow ions to pass through it at a relatively low temperature (which, for ceramic fuel cells, lies in the range of 300 to 500 degrees Celsius).

FORBES: Harvard Researchers Develop Fuel Cell Chip