| 大孔隙与大孔隙率矿石的石蜡法体重测定中的修正问题 |
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| 引用本文： | 胡正安. 大孔隙与大孔隙率矿石的石蜡法体重测定中的修正问题[J]. 铀矿地质, 1994, 0(4) |
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| 作者姓名： | 胡正安 |
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| 作者单位： | 湖南衡阳中南地勘局３０１大队 |
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| 摘 要： | 以伽玛测井解释含量确定铀矿储量时，矿石体重应该是天然状态下的体重，当矿心孔隙度较大而有部分失水，并存在表面大孔隙时，封蜡法所测得的体重系统偏小。对此，本文改进了测定方法，提出了修正方案，并以某矿床为例分析了产生表面孔隙的原因及修正后的具体结果。
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| 关 键 词： | 部分失水率，表面孔隙率，封蜡法体重，不封蜡法体重 |
THE CALIBRATION PROBLEM OF DETERMINING GRAVITY OF THE LARGER PORE AND POROSITY FACTOR BY SEALING-PARAFFIN METHOD |
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| Hu Zheng'an. THE CALIBRATION PROBLEM OF DETERMINING GRAVITY OF THE LARGER PORE AND POROSITY FACTOR BY SEALING-PARAFFIN METHOD[J]. Uranium Geology, 1994, 0(4) |
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| Authors: | Hu Zheng'an |
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| Abstract: | When the uranium reserves is determined by interpreting uranium content using gammalogging, the ore gravity should be in the natural condition. If the ore-core has large porosityand is dewatered partially,large pore exists on the surface of the ore-core, the gravities determined by sealing-paraffin method are systematically lower. Thus,this paper has proposed acalibration method to improve the measurement and taking a deposit as an example,the reasons for the surface pore and the calibrated results are analysed. |
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| Keywords: | Partial dewatering percentage Surface porosity factor The gravity by sealing paraffin method The gravity by non-sealing paraffin method |
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