Evaluation and research on the thermal blocking property of commercial umbrellas based on a whole umbrella testing system
SHAO Wanyan, YU Hongxiang, ZHANG Yiqi, JIN Yu, CHENG Songtao
CHINA FIBER INSPECTION . 2025, (12): 38 -41 .  DOI: 10.14162/j.cnki.11-4772/t.2025.12.005