(a) Changes of Fe-Al bond-bound soil organic carbon (Fe/Al-SOC) content during acification of black soil. (b) Changes of Calcium bond-bound soil organic carbon (Ca-SOC) content dur... by Xiaoxu Zhu (11764430)

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Multiple regression analysis of aggregate stability and cementing substance in black soil during acidification. by Xiaoxu Zhu (11764430)

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(a) Changes of SOC (Soil organic matter) content during acification of black soil. The control group (0Y) received no fertilization, while the treatment groups included soils that... by Xiaoxu Zhu (11764430)

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The higher the value, the stronger the correlation. by Xiaoxu Zhu (11764430)

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Changes of exchangeable calcium carbonate content during acification of black soil. by Xiaoxu Zhu (11764430)

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(a) Changes of exchangeable Ca²⁺ content during acification of black soil. (b) Changes of exchangeable Mg²⁺ content during acification of black soil. The cont... by Xiaoxu Zhu (11764430)

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The red circle in the map shows the soil collection site, which is located in the southeast of Jilin Agricultural University, Changchun, Jilin Province, China. Map resources from U... by Xiaoxu Zhu (11764430)

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Graph of wear volume variation for test groups with different particle sizes at two concentrations. by Yang Li (7082)

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Graph of friction coefficient variation for test groups with different particle sizes at two concentrations. by Yang Li (7082)

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Graph of temperature rise variation for test groups with different particle sizes at two concentrations. by Yang Li (7082)

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A graph showing the surface roughness values of the test specimen after tests with different slide-to-roll ratios (a) Ra, Rq (b) Rz (c) Sa, Sq (d) Sz, Sp, Sv. by Yang Li (7082)

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Graphs of surface roughness values of test specimens after testing with varying concentrations across different particle size groups (a) Ra, Rq (b) Rz (c) Sa, Sq (d) Sz, Sv. by Yang Li (7082)

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Comparison between simulation tests and bench tests. by Yifei Li (198040)

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Comparison between simulation tests and bench tests. by Yifei Li (198040)

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Comparison between simulation tests and bench tests. by Yifei Li (198040)

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Comparison between simulation tests and bench tests. by Yifei Li (198040)

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Comparison between simulation tests and bench tests. by Yifei Li (198040)

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Comparison between simulation tests and bench tests. by Yifei Li (198040)

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Hausman test results. by Sakar Hasan Hamza (20978818)

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Additional questions on vaccination. by Sara Saleh (6733619)

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