We consider the computation of the. Cauchy principal value mtegral by quadrature formulaeof compound type, which are obtained by replacing f by a piecewise defined function F,[;]. The behaviour of the constants m the ...We consider the computation of the. Cauchy principal value mtegral by quadrature formulaeof compound type, which are obtained by replacing f by a piecewise defined function F,[;]. The behaviour of the constants m the estimates where quadrature error) is determined for fixed i and which means that not only the. order, but also the coefficient of the main term of is determined. The behaviour of these error constants is compared -with the corresponding ones obtained for the. method of subtraction of the singularity. As it turns out, these error constants have, in general, the same asymptotic behaviour.展开更多
成果导向教育(Outcome based education,OBE)是以学习成果(Learning outcomes)产出为导向的新型教学观念。将OBE理念引入方剂学课程可对后续课程的学习及培养学生中医临床思维能力产生很大影响。以学生为中心、以成果为导向、以持续改进...成果导向教育(Outcome based education,OBE)是以学习成果(Learning outcomes)产出为导向的新型教学观念。将OBE理念引入方剂学课程可对后续课程的学习及培养学生中医临床思维能力产生很大影响。以学生为中心、以成果为导向、以持续改进3个专业认证基本理念为依据,从教学目标、授课形式、成果质量评价等方面进行改进,使“研究型教学模式和个性化教学”得到充分体现,在OBE理念落地的同时既促进了学生的个性化发展,又推动了师生教与学观念的转变,也使得教师的专业能力得到升华。展开更多
Oil saturation was an important parameter of reservoir evaluation, which had important guiding significance for oilfield development. In this paper, the oil saturation of tight oil in G area was studied, and the origi...Oil saturation was an important parameter of reservoir evaluation, which had important guiding significance for oilfield development. In this paper, the oil saturation of tight oil in G area was studied, and the original oil saturation of the study area was studied by using the comprehensive experimental method. The original oil saturation of tight oil in the study area was determined by J function method, rock electricity method and oil-based mud coring method. The results showed that through the comparison of three experimental methods, it could be concluded that the J function method leads to the low value of oil saturation in the study area. The oil-based mud coring method was more suitable for the determination of oil saturation in this area than the other two methods because it needs to meet too many conditions and the calculation results were also low. G area was located in Qili Village, Ordos Basin.展开更多
目的系统评价中药复方治疗肥胖症的有效性和安全性。方法计算机检索中国知网(CNKI)、维普中文期刊服务平台(VIP)、万方数据知识服务平台(WanFang Data)、中国生物医学文献服务平台(CBM)、PubMed、Cochrane、AMED、CINAHL、ClinicalTrial...目的系统评价中药复方治疗肥胖症的有效性和安全性。方法计算机检索中国知网(CNKI)、维普中文期刊服务平台(VIP)、万方数据知识服务平台(WanFang Data)、中国生物医学文献服务平台(CBM)、PubMed、Cochrane、AMED、CINAHL、ClinicalTrials、Embase、Informit、ProQuest、SciFinder、Scopus、Web of Science等中英文数据库中收录的中药复方治疗肥胖症的相关文献(随机对照试验),文献发表时间为建库至2022年7月30日。采用Cochrane系统偏倚风险工具评估文献质量,借助RevMan5.4软件进行Meta分析。结果①最终纳入25篇文献,涉及2472例肥胖症患者,其中中药复方组1255例、对照组1217例。②与对照组相比,中药复方组能更好地降低肥胖症患者的体质量[MD=-3.05,95%CI(-4.64,-1.46)]和体质量指数[MD=-1.19,95%CI(-1.55,-0.82)],差异有统计学意义(P<0.05)。③进一步分析,与安慰剂比较,中药复方降低肥胖症患者体质量[MD=-3.22,95%CI(-5.78,-0.66)]及体质量指数[MD=-1.02,95%CI(-1.73,-0.31)]的作用更为显著;与生活方式干预比较,中药复方降低肥胖症患者体质量[MD=-3.91,95%CI(-5.49,-2.32)]及体质量指数[MD=-1.52,95%CI(-1.99,-1.05)]的作用更为显著;与西药比较,中药复方降低肥胖症患者体质量[MD=-2.89,95%CI(-6.47,0.69)]及体质量指数[MD=-1.18,95%CI(-1.68,-0.68)]的作用更为显著。以上差异均有统计学意义(P<0.05)。④亚组分析发现,与自拟方相比,经方对肥胖症具有更好的疗效[经方亚组体质量MD=-4.74,95%CI(-5.11,-4.36);自拟方亚组体质量MD=-2.19,95%CI(-4.63,0.25)];与辨病论治相比,辨证论治肥胖症疗效更佳[辨证论治亚组体质量MD=-4.99,95%CI(-7.13,-2.85);辨病论治亚组体质量MD=-1.21,95%CI(-4.12,1.69)]。以上差异均有统计学意义(P<0.05)。⑤纳入的25篇文献均未报道严重不良反应。结论中药复方是治疗肥胖症的有效方法,安全性良好,比较理想的应用模式为基于经方和辨证论治的处方用药。展开更多
文摘We consider the computation of the. Cauchy principal value mtegral by quadrature formulaeof compound type, which are obtained by replacing f by a piecewise defined function F,[;]. The behaviour of the constants m the estimates where quadrature error) is determined for fixed i and which means that not only the. order, but also the coefficient of the main term of is determined. The behaviour of these error constants is compared -with the corresponding ones obtained for the. method of subtraction of the singularity. As it turns out, these error constants have, in general, the same asymptotic behaviour.
文摘成果导向教育(Outcome based education,OBE)是以学习成果(Learning outcomes)产出为导向的新型教学观念。将OBE理念引入方剂学课程可对后续课程的学习及培养学生中医临床思维能力产生很大影响。以学生为中心、以成果为导向、以持续改进3个专业认证基本理念为依据,从教学目标、授课形式、成果质量评价等方面进行改进,使“研究型教学模式和个性化教学”得到充分体现,在OBE理念落地的同时既促进了学生的个性化发展,又推动了师生教与学观念的转变,也使得教师的专业能力得到升华。
文摘Oil saturation was an important parameter of reservoir evaluation, which had important guiding significance for oilfield development. In this paper, the oil saturation of tight oil in G area was studied, and the original oil saturation of the study area was studied by using the comprehensive experimental method. The original oil saturation of tight oil in the study area was determined by J function method, rock electricity method and oil-based mud coring method. The results showed that through the comparison of three experimental methods, it could be concluded that the J function method leads to the low value of oil saturation in the study area. The oil-based mud coring method was more suitable for the determination of oil saturation in this area than the other two methods because it needs to meet too many conditions and the calculation results were also low. G area was located in Qili Village, Ordos Basin.
文摘目的系统评价中药复方治疗肥胖症的有效性和安全性。方法计算机检索中国知网(CNKI)、维普中文期刊服务平台(VIP)、万方数据知识服务平台(WanFang Data)、中国生物医学文献服务平台(CBM)、PubMed、Cochrane、AMED、CINAHL、ClinicalTrials、Embase、Informit、ProQuest、SciFinder、Scopus、Web of Science等中英文数据库中收录的中药复方治疗肥胖症的相关文献(随机对照试验),文献发表时间为建库至2022年7月30日。采用Cochrane系统偏倚风险工具评估文献质量,借助RevMan5.4软件进行Meta分析。结果①最终纳入25篇文献,涉及2472例肥胖症患者,其中中药复方组1255例、对照组1217例。②与对照组相比,中药复方组能更好地降低肥胖症患者的体质量[MD=-3.05,95%CI(-4.64,-1.46)]和体质量指数[MD=-1.19,95%CI(-1.55,-0.82)],差异有统计学意义(P<0.05)。③进一步分析,与安慰剂比较,中药复方降低肥胖症患者体质量[MD=-3.22,95%CI(-5.78,-0.66)]及体质量指数[MD=-1.02,95%CI(-1.73,-0.31)]的作用更为显著;与生活方式干预比较,中药复方降低肥胖症患者体质量[MD=-3.91,95%CI(-5.49,-2.32)]及体质量指数[MD=-1.52,95%CI(-1.99,-1.05)]的作用更为显著;与西药比较,中药复方降低肥胖症患者体质量[MD=-2.89,95%CI(-6.47,0.69)]及体质量指数[MD=-1.18,95%CI(-1.68,-0.68)]的作用更为显著。以上差异均有统计学意义(P<0.05)。④亚组分析发现,与自拟方相比,经方对肥胖症具有更好的疗效[经方亚组体质量MD=-4.74,95%CI(-5.11,-4.36);自拟方亚组体质量MD=-2.19,95%CI(-4.63,0.25)];与辨病论治相比,辨证论治肥胖症疗效更佳[辨证论治亚组体质量MD=-4.99,95%CI(-7.13,-2.85);辨病论治亚组体质量MD=-1.21,95%CI(-4.12,1.69)]。以上差异均有统计学意义(P<0.05)。⑤纳入的25篇文献均未报道严重不良反应。结论中药复方是治疗肥胖症的有效方法,安全性良好,比较理想的应用模式为基于经方和辨证论治的处方用药。
