风成沉积物3种粒度参数计算方法比较
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马茜茜, 肖建华, 姚正毅
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A comparative study on the three calculation methods of grain-size parameters for aeolian sediments
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Xixi Ma, Jianhua Xiao, Zhengyi Yao
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表3 典型样品粒度参数（Mz、σ）统计值
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Table 3 The statistical values of Mz and σ for typical samples
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| 样品组 | 编号 | Mz1957 | Mz1988 | σ1957 | σ1988 | Mz1988 - Mz1957 | σ1988 - σ1957 |
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| E55 | 26 | 3.41 | 3.37 | 2.06 | 1.96 | -0.05 | -0.10 | | M98 | MS1-8 | 4.40 | 4.37 | 1.80 | 1.64 | -0.03 | -0.16 | | MS1-11 | 4.79 | 4.74 | 1.82 | 1.60 | -0.05 | -0.22 | | MS1-12 | 5.00 | 4.89 | 1.95 | 1.66 | -0.11 | -0.29 | | MS1-13 | 5.10 | 4.95 | 2.14 | 1.78 | -0.16 | -0.35 | | MS87 | 4.20 | 4.16 | 2.05 | 1.85 | -0.03 | -0.20 | | MS1-1 | 4.07 | 4.18 | 1.60 | 1.57 | -0.04 | -0.09 | | MS1-3 | 4.08 | 4.12 | 1.76 | 1.67 | 0.11 | -0.03 | | MS1-7 | 3.97 | 4.08 | 1.64 | 1.61 | 0.10 | -0.02 | | MS1-10 | 3.97 | 4.09 | 1.68 | 1.63 | 0.12 | -0.04 | | R69 | R3-2 | 3.69 | 3.60 | 2.28 | 2.11 | -0.09 | -0.17 | | R16-3 | 3.38 | 3.37 | 1.83 | 1.83 | -0.01 | -0.004 | | R3-3 | 3.13 | 3.15 | 1.94 | 1.93 | 0.02 | -0.01 | | R45-2 | 3.32 | 3.37 | 2.02 | 1.98 | 0.05 | -0.04 |
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