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  • Open Access


    Characteristics of Desertification Change in Lake Basin Area in Gangcha County

    Wenzheng Yu1, Mingxuan Zhu1, Li Shao1, Yanbo Shen2,3,*, Haitao Liu1, Tianliang Chen1, Hanxiaoya Zhang4

    CMC-Computers, Materials & Continua, Vol.73, No.2, pp. 3771-3793, 2022, DOI:10.32604/cmc.2022.027094

    Abstract Qinghai Lake Basin area in Gangcha county is selected as the study area in terms of desertification change features in this paper. Based on the remote sensing (RS) and global positioning system (GPS) technologies, the desertification information range from 1989 to 2014 in the study area is extracted. Using the method of the decision tree, the desertification in the research area is been divided into four grades including mild desertification, moderate desertification, severe desertification and serious desertification. The change characteristics of desertification in the study area were analyzed in detail, which showed that the desertification in the study area experienced… More >

  • Open Access


    Development of a Soil Stabilizer for Road Subgrade Based on Original Phosphogypsum

    Zenghuan Gu1, Aiguo Fang2, Sudong Hua1,*, Qingzhou Zhao2, Lidong Sun2, Fan Xia2, Liying Qian3, Xiaojian Ren3

    Journal of Renewable Materials, Vol.9, No.2, pp. 253-268, 2021, DOI:10.32604/jrm.2021.011912

    Abstract The research used industrial by-products original phosphogypsum (PG) as the main raw material, slag (SG) and Portland cement (PC) as auxiliary materials, and the optimal additive amount was determined according to the compressive strength value of the sample. Comprehensively evaluate the water resistance and volume stability of the samples, and determine the best formula for new roadbed stabilized materials. The results showed that when the weight ratio of PG, slag and cement was OPG:SG:PC = 6:3:1, and mixed with 5% micro silica fume (MSF) and 3‰ hydroxypropyl methyl cellulose (HPMC), the sample’s comprehensive performance was the best, specifically, the sample’s… More >

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