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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Regarding the acidity of black soil tested across various fertilization durations, the control group (0Y) received no fertilization, while the treatment groups included soils that... by Xiaoxu Zhu (11764430)

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Front and side images of the computer-aided design of the prostheses, including an interior perspective showing the location and size of the holes. by Long Li (6555)

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Results of cement retention with permanent adhesive in each group. by Long Li (6555)

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Abutment shoulder adhesive filling rate (AFR) of silicone rubber calculated by ImageJ. by Long Li (6555)

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Results of AFR at axial surfaces of implant prostheses in each group. by Long Li (6555)

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Retention strength testing of the cemented crown by universal testing machine. by Long Li (6555)

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(A) Auxiliary marking points to ensure complete and accurate seating of the prosthesis. by Long Li (6555)

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Data of Cement retention force(N) for each group in retention strength test. by Long Li (6555)

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AFR at abutment shoulder in each group calculated by ImageJ software. by Long Li (6555)

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Coverage of silicone rubber on the axial and abutment shoulder surfaces (Yellow: high fluidity rubber; Blue: low fluidity rubber). by Long Li (6555)

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Data of AFR(%) of axial surface for each group. by Long Li (6555)

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Photograph of the implant prostheses with different hole opening strategies. by Long Li (6555)

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(A) Yellow high fluidity silicone rubber is in the inner surface of the prosthesis, and red arrow shows the unfilled part. by Long Li (6555)

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AFR of axial surface for each group calculated by ImageJ software. by Long Li (6555)

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