Study on the variation law of unfrozen water based on the new technology of layered nuclear magnetic testing: taking the freezing and thawing process of sand as an example
Dawei HAN, Chengsong YANG, Lianhai ZHANG, Yajun SHI, Fei SHANG
Journal of Glaciology and Geocryology . 2022, (2): 667 -683 .  DOI: 10.7522/j.issn.1000-0240.2022.0015