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Advances in Civil Engineering
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Advances in Civil Engineering
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2020
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Article
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Tab 1
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Research Article
The Evolution of Thermal Conductivity and Pore Structure for Coal under Liquid Nitrogen Soaking
Table 1
Freezing time of coal samples at different temperature levels.
Coal samples
Liquid nitrogen cold soaking time (min)
First stage
Second stage
Third stage
Total time
Dry
38
19
35
92
Saturation
80
12
58
150