| 钻头的进尺提高效率有无显著性差异的判定 |
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| 引用本文： | 康继鼎.钻头的进尺提高效率有无显著性差异的判定[J].西南师范大学学报(自然科学版),1989,14(1):1-10. |
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| 作者姓名： | 康继鼎 |
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| 作者单位： | 国家教委西南教育管理干部培训中心 |
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| 摘 要： | 本文解决了新钻头对于m(m≥2)种地层的进尺提高效率有无显著性差异的问题。文中提出的数学模式可适用于其它各种类似的问题,最后举例说明方法的实际应用及通常易犯的错误。
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| 关 键 词： | 钻头进尺效率 似然比方法 特征根 |
ASSESSMENT OF THE SIGNIFICANCE DIFFERENCE AMONG THE IMPROVED EFFICIENCIES OF A NEW DRILL BIT ON ITS DRILLING FOOTAGE OF DIFFERENT LAYERS |
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| KANG JIDIG.ASSESSMENT OF THE SIGNIFICANCE DIFFERENCE AMONG THE IMPROVED EFFICIENCIES OF A NEW DRILL BIT ON ITS DRILLING FOOTAGE OF DIFFERENT LAYERS[J].Journal of Southwest China Normal University(Natural Science),1989,14(1):1-10. |
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| Authors: | KANG JIDIG |
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| Institution: | Southwest China Teachers University |
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| Abstract: | |
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| Keywords: | footage per bit efficiency likelihood ratio method characteristic root |
| 本文献已被 CNKI 维普 等数据库收录！ |
