大样本

  • 网络large-sample;Large sample;long-run
大样本大样本
  1. Beagle犬血液学指标及生化指标正常参考值的大样本分析

    Large-sample Analysis of the Normal Reference Value of Hematological and Serum Biochemical Parameters in Healthy Beagle Dogs

  2. 我国大样本随机临床试验治疗心脑血管病的效价评估

    Assessment of cost-effectiveness of treatment for cardio-cerebrovascular diseases from large-sample randomized clinical trials in China

  3. 目的建立一种大样本外周血基因组DNA的提取方法。

    Objective : To establish one kind of method of genomic DNA extraction for numbers of samples .

  4. PCR在大样本低概率细菌检验项目中的应用研究

    Application of PCR in bacterial detection of large amount and low detecting rate

  5. 大样本情况下的一种新的SVM迭代算法

    A New SVM Iterative Algorithm in Large Training Set

  6. 基于大样本实测的乘用车怠速HC排放统计特征

    Statistical Features of Passenger Cars Idle HC Emission Based on Large Sample Detecting

  7. 探讨了最小二乘估计在线性EV模型中的大样本性质,即相合性与渐近正态性。

    The large sample properties of LS estimator in the linear EV model are discussed .

  8. 尚需不同地区、大样本的流行病学资料以进一步明确COPD的发病危险因素。

    The more survey should be carried out in different area in order to clarify risk factors of COPD .

  9. 通过更加深入的大样本和长期随访研究将有可能发现肝癌早期预警的微RNA分子标志物。

    It is possible to find the miRNA biomarkers for liver cancer early diagnosis if there are large enough samples and long-term follow-up study .

  10. 应用PCR-SSOP技术进行大样本脐血HLA基因分型的探讨

    HLA typing in large scale of cord blood samples with PCR-SSOP

  11. 对于大样本数据聚类算法,我们考察了其对Iris数据集和Shuttle数据集的聚类效果。

    For Large Sample Clustering Algorithm , the experiments on the Iris data set and the Shuttle data set are studied .

  12. 证实了结肠癌中的一项CpG岛甲基化表型:一项基于大样本人群评估

    Evaluation of a large , population-based sample supports a CpG island methylator phenotype in colon cancer

  13. 不完全数据下分布函数MLE的大样本性质

    Large Sample Properties of MLE of the Distribution Function with Incomplete Data

  14. 结果给出了误差tε的k(k≥1)阶矩及误差方差σ2的估计的大样本性质。

    Results Large sample properties for the estimators of k-th ( k ≥ 1 ) order moment of the error ε t and the error variance σ 2 are given .

  15. 如何将测量CRP含量与当前结肠癌筛检的预防策略相结合,尚缺大样本多中心的前瞻性研究。

    It still lacks of multi-center prospective study on combining the CRP quantification with prophylactic strategy in screen of colorectal carcinoma .

  16. 在ANN方法研究中,提出了自适应优化与进化规划的混合算法,有效地改善了大样本情况下网络的收敛性能。

    For ANN method , the combination algorithm of dynamic self-adapting and evolution programming is proposed , and the convergence of network is improved effectively .

  17. 针对SVM方法在大样本情况下学习和分类速度慢的问题,提出了大样本情况下的一种新的SVM迭代训练算法。

    A new SVM iterative algorithm is proposed , aiming at the problem that the speeds of learning and classifying are slow in large training set .

  18. 结论本方法可以快速从大样本全血中自动提取较高质量的基因组DNA,所得DNA适用于下游的分子生物学实验。

    Conclusion High quality and intact genomic DNA can be extracted rapidly from whole blood by using MiniPrep 75 - ⅱ workstation , and these DNA samples were suitable for downstream molecular biology experiments .

  19. 将MonteCarlo数值模拟技术与虚拟试验技术的结合,实现随机动力学方程的间接求解,获得大样本条件下的座椅系统传递率T随机数列;

    Combining Monte Carlo method with the virtual test technology , its random equations are solved indirectly and the random data set about the chair bumper is obtained .

  20. 但尚无多中心、大样本、随机对照的临床试验证实前列腺素E1能改善糖尿病周围神经病变。

    Recently there have been many small-sample randomized clinical trials for the effects of Prostaglandin E1 on diabetic peripheral neuropathy .

  21. 结论在大样本口腔健康调查时的人员培训和质量控制上应注意首先是掌握新的WHO龋病检查标准,在此基础上才能正确使用CPI探针诊断龋病。

    Conclusion WHO standards of caries survey should be applied in clinical training and quality control of oral health survey .

  22. 该算法既具有批处理BP算法收敛时迭代次数少的优点,又能克服批处理算法对大样本集进行学习时每次计算量较大且收敛时间长的缺点。

    It not only has the advantage of fewer iteration times like the batch learning algorithm , but also overcomes the disadvantages of much computational work and long learning time while learning big samples .

  23. 仍需继续进行多中心,大样本临床流行病学调研方可进一步确立中医辨治MRD的基本证型。

    Still needs to be multi-center clinical epidemiology research before large sample further established the basic TCM syndrome treating MRD .

  24. MLSS是第一个比较腰椎间盘突出症手术与非手术治疗结果的大样本研究。

    The MLSS was the rst large-scale study to compare surgical and nonoperative outcomes for lumbar disc herniation .

  25. PCR-SSCP银染法快速、简便,特别适用于对大样本基因点突变的检测。

    PCR-SSCP silver-staining method is a simple and economic method and is particularly useful in the screening of point mutations in large number of samples .

  26. 最后,建立了五个股票板块的IPO定价模型,包括一个大样本模型信息板块,四个小样本模型采掘业板块、金融服务板块、商业贸易板块和社会服务板块。

    Finally , IPO pricing models are established which includes one large sample model of information board and four small sample models consisting of mining board , finance board , commerce board and social service board .

  27. 介绍了应用Delphi开发《普通高等学校学生体质健康标准管理系统》的目的、设计过程和关键技术,并在实践中进行大样本数据检验和研究。

    The purpose , designing process , key technology of The Standards of Students ' Physical Quality Managing System in Colleges which designed by Delphi were introduced . And big-sample data experiments to test its efficiency .

  28. 针对二维衰减谐波估计方法在大样本容量条件下计算量过大的问题,提出了一种基于二维四阶混合累积量的ESPRIT方法。

    A new method for two-dimensional damped sinusoids estimation in colored Gaussian noise , called two-dimensional fourth-order mixed cumulants based on ESPRIT ( 2d-FOMCESPRIT ), is presented .

  29. 在缺乏针对临床干预措施的大样本、决定性的随机对照试验的情况下,基于小样本随机对照试验的Meta分析是否能够替代大样本随机对照试验,为临床实践提供最佳证据,是值得探讨的。

    In the absence of large trials , it is important for us to discuss weather a well-conducted meta-analysis of smaller randomized controlled trial ( RCT ) can replace large trials or not .

  30. 尽管,在大样本下,传统的时间序列单位根检验(DF检验、ADF检验和PP检验)具有较好的功效。

    Although , in big sample , the traditional unit root test of the time series ( for example , DF test , ADF test and PP test ) has a better power .