| 铸造用砂的ISO细度与AFS细度的换算 |
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| 引用本文： | 郭正光,徐振中,周静卿.铸造用砂的ISO细度与AFS细度的换算[J].太原科技大学学报,1992(3). |
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| 作者姓名： | 郭正光 徐振中 周静卿 |
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| 作者单位： | 太原重型机械学院基础部，太原重型机械学院机械工艺系，太原重型机械学院基础部 |
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| 摘 要： | 本文通过对200个砂样的ISO细度与APS细度的电算结果,利用非线性回归分析的方法,获得了上述两种细度的换算关系。这种换算关系适用于我国铸造用试验筛和AFS标准筛。
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| 关 键 词： | 铸造用砂 ISO细度 AFS细度 非线性回归 |
The Conversion of ISO and AFS Grain Fineness Number of Foundry Sand |
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| Guo Zhengguang Xu Zhenzhcng Zhou Jingqing.The Conversion of ISO and AFS Grain Fineness Number of Foundry Sand[J].Journal of Taiyuan University of Science and Technology,1992(3). |
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| Authors: | Guo Zhengguang Xu Zhenzhcng Zhou Jingqing |
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| Institution: | Guo Zhengguang Xu Zhenzhcng Zhou Jingqing |
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| Abstract: | Using the method of nonlinear regression authors get the conversion relationship between ISO and AFS grain fineness number of foundry sand according to the calculation results of 200 kinds of foundry sand with a compuler. The conversion relationship is applicable to the foundry screens of our country and AFS. |
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| Keywords: | foundry sand ISO grain fineness number AFS grain fineness number nonlinear regression |
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