| 粒径计分析均匀细沙时沉降速率和粒径的误差分析 |
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| 引用本文： | 封光寅,马继建,张小峰,孟新华,张生稳,杨建智,叶泽汉. 粒径计分析均匀细沙时沉降速率和粒径的误差分析[J]. 中国粉体技术, 2009, 15(4): 66-68. DOI: 10.3969/j.issn.1008-5548.2009.04.017 |
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| 作者姓名： | 封光寅 马继建 张小峰 孟新华 张生稳 杨建智 叶泽汉 |
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| 作者单位： | 1. 长江水利委员会水文局,汉江水文水资源勘测局,湖北,丹江口,442700
2. 长江水利委员会水文局,中游水文水资源勘测局,湖北,武汉,430012 |
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| 摘 要： | 为了研究粒径计法分析均匀细沙时沉降速率和沉降粒径产生误差的原因和规律,从而实现对粒径计分析成果资料进行修正,本文中分析了采用粒径计法分析均匀细沙时,沉降速率和沉降粒径误差产生的原因,根据粒径计分析过程,推导出沉降速率和沉降粒径理论计算公式;通过实验资料与理论计算进行对比,总结出采用粒径计法分析均匀细沙时沉降速率和沉降粒径误差分布规律。
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| 关 键 词： | 粒径计分析 均匀细沙 沉降速率 沉降粒径 |
Analysis on Error of Settling Velocity and Particle Size for Uniform Sand by Particle Size Analysis Method |
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| Feng Guangyin,Ma Jijian,Zhang Xiaofeng,Meng Xinhua,Zhang Shengwen,Yang Jianzhi,Ye Zehan. Analysis on Error of Settling Velocity and Particle Size for Uniform Sand by Particle Size Analysis Method[J]. China Powder Science and Technology, 2009, 15(4): 66-68. DOI: 10.3969/j.issn.1008-5548.2009.04.017 |
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| Authors: | Feng Guangyin Ma Jijian Zhang Xiaofeng Meng Xinhua Zhang Shengwen Yang Jianzhi Ye Zehan |
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| Abstract: | In order to study the reasons for errors and laws of sediment rate and sediment particle size in particle size analysis of the uniform sand and correct the results of the particle size analysis,the reasons of causing the settlement rate and settlement size errors during the particle size analysis of uniform sand were analyzed. The theoretical formulas for calculating the settlement rate and settlement size were derived according to the process of particle size analysis. The experimental data and the theoretical values were compared,and the errors distribution laws were summed for the sediment rate and sediment particle size in particle size analysis. |
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| Keywords: | particle size analysis uniform sand sediment rate settlement size |
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