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- 01/01/2015
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- 《福建论坛(人文社会科学版)》编辑部
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- 01/01/2001
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- 25/01/2001
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- Science China Press., Co. Ltd.
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- 01/01/1982
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- 'Science China Press., Co. Ltd.'
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- 01/01/2018
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No full text受ILK压力反褶积算法压力计算精度高的启发,基于一个等价的褶积积分方程,改用流量数据代替原算法所采用的累积流量数据进行反褶积计算,并给出了反褶积算法的快速求解方法:利用褶积积分的数学性质,采用按照压力降落段进行分段积分的方法,快速地解析求解反褶积计算过程中的敏感性矩阵;同时利用二分法快速查找每组流量数据点所属的压力降落段,进一步提高了计算效率。通过理论算例和实际算例的测试分析表明,改进后的ILK流量反褶积算法具有更高的计算精度,尤其使初始和后期阶段的流量数据精度有了较大提高,实际算例的计算结果更加符合单位井底压力降下的流量递减变化规律。与原算法相比,改进算法在产量递减分析时可以获得更长的表征拟稳态流的特征直线段,显著提高了数据的拟合效果,也具备较高的计算速度、稳定性及实用性。因此,将该反褶积算法应用于产量递减分析不仅可以有效降低数据误差影响的敏感性,还可以获得更多的数据信息量,提高数据的拟合效果,降低解释结果的不确定性
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- Editorial Department of Chinese Journal of Wildlife
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- 01/01/2021
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No full text介绍1例黑冠白睑猴(Lophocebus aterrimus)股骨骨折的诊断与治疗。患猴左侧股骨中段闭合型横骨折,采用全身镇静,丙泊酚诱导插管,异氟烷维持麻醉,使用PCRLM锁定加压钛骨板进行内固定,术后恢复良好
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- 01/01/2005
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- Science China Press., Co. Ltd.
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- 09/02/2018
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- Science China Press., Co. Ltd.
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- 01/09/2014
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