目的:评价丹蛭降糖胶囊对2型糖尿病患者FINS和IRI作用的有效性。方法:计算机检索中国生物医学文献数据库、中国期刊全文数据库、万方期刊数据库等相关资料,按照Cochrane系统评价的方法,客观评价纳入研究的质量,提取有效数据,采用Rev Man...目的:评价丹蛭降糖胶囊对2型糖尿病患者FINS和IRI作用的有效性。方法:计算机检索中国生物医学文献数据库、中国期刊全文数据库、万方期刊数据库等相关资料,按照Cochrane系统评价的方法,客观评价纳入研究的质量,提取有效数据,采用Rev Man 5.2软件进行Meta分析。结果:共纳入5个随机对照试验,包括294例患者。结果显示,丹蛭降糖胶囊能降低2型糖尿病患者FINS[MD=1.24,95%CI(0.90,1.59),P<0.01],降低IRI[MD=0.20,95%CI(0.14,0.27),P<0.01]。结论:丹蛭降糖胶囊对2型糖尿病患者FINS和IRI作用是有效的。展开更多
以欧姆龙公司CP1H型号的PLC为应用背景,设计了基于Host Link FINS协议的PLC设备远程监控系统。该文提出了基于串口的远程通信方案,并且详细分析了Host Link FINS协议的结构和指令格式,用MFC实现了监控软件的设计,完成监控软件与欧姆龙PL...以欧姆龙公司CP1H型号的PLC为应用背景,设计了基于Host Link FINS协议的PLC设备远程监控系统。该文提出了基于串口的远程通信方案,并且详细分析了Host Link FINS协议的结构和指令格式,用MFC实现了监控软件的设计,完成监控软件与欧姆龙PLC的数据通信功能,实现监控软件对PLC的远程监控。经过现场的测试和运行,该监控系统稳定可靠,性能较高。展开更多
为考察金枪鱼罐头中DNA降解程度以及鉴定金枪鱼罐头中金枪鱼种类,文中根据鱼类线粒体基因组（m t DNA）细胞色素b（cyt b）基因和12S r DNA基因,利用3对通用引物分别扩增片段大小为358 bp（cyt b）、224bp（12S r DNA）、123bp（cyt b...为考察金枪鱼罐头中DNA降解程度以及鉴定金枪鱼罐头中金枪鱼种类,文中根据鱼类线粒体基因组（m t DNA）细胞色素b（cyt b）基因和12S r DNA基因,利用3对通用引物分别扩增片段大小为358 bp（cyt b）、224bp（12S r DNA）、123bp（cyt b）的目的片段,同时,基于123 bp线粒体cytb基因片段,通过法医信息核苷酸测序（PCR-FINS）技术来鉴别金枪鱼罐头中金枪鱼的种类,并对17个市售金枪鱼罐头样品进行金枪鱼种类鉴定。结果表明：金枪鱼罐头中DNA降解严重,其片段大小在100~200 bp;该研究建立的PCR-FINS技术,可以实现金枪鱼罐头中金枪鱼种类的准确鉴别;17个市售金枪鱼罐头样品中,58.8%来源于价格低廉的鲣鱼,其次还包括长鳍金枪鱼、青干金枪鱼、扁鮀鲣、鲔鱼。展开更多
The undulating fin propulsion system is an instance of the bio-inspired propulsion systems. In the current study, the swimming motion of a squid-like robot with two undulating side fins, mimicking those of a Stingray ...The undulating fin propulsion system is an instance of the bio-inspired propulsion systems. In the current study, the swimming motion of a squid-like robot with two undulating side fins, mimicking those of a Stingray or a Cuttlefish, was investigated through flow computation around the body. We used the finite analytic method for space discretization and Euler implicit scheme for time discretization along with the PISO algorithm for velocity pressure coupling. A body-fitted moving grid was generated using the Poisson equation at each time step. Based on the computed results, we discussed the features of the flow field and hydrodynamic forces acting on the body and fin. A simple relationship among the fin＇s principal dimensions was established. Numerical computation was done for various aspect ratios, fin angles and frequencies in order to validate the proposed relationship among principal dimensions. Subsequently, the relationship was examined base on the distribution of pressure difference between upper and lower surfaces and the distribution of the thrust force. In efficiency calculations, the undulating fins showed promising results. Finally, for the fin, the open characteristics from computed data showed satisfactory conformity with the experimental results.展开更多
文摘目的:评价丹蛭降糖胶囊对2型糖尿病患者FINS和IRI作用的有效性。方法:计算机检索中国生物医学文献数据库、中国期刊全文数据库、万方期刊数据库等相关资料,按照Cochrane系统评价的方法,客观评价纳入研究的质量,提取有效数据,采用Rev Man 5.2软件进行Meta分析。结果:共纳入5个随机对照试验,包括294例患者。结果显示,丹蛭降糖胶囊能降低2型糖尿病患者FINS[MD=1.24,95%CI(0.90,1.59),P<0.01],降低IRI[MD=0.20,95%CI(0.14,0.27),P<0.01]。结论:丹蛭降糖胶囊对2型糖尿病患者FINS和IRI作用是有效的。
文摘以欧姆龙公司CP1H型号的PLC为应用背景,设计了基于Host Link FINS协议的PLC设备远程监控系统。该文提出了基于串口的远程通信方案,并且详细分析了Host Link FINS协议的结构和指令格式,用MFC实现了监控软件的设计,完成监控软件与欧姆龙PLC的数据通信功能,实现监控软件对PLC的远程监控。经过现场的测试和运行,该监控系统稳定可靠,性能较高。
文摘为考察金枪鱼罐头中DNA降解程度以及鉴定金枪鱼罐头中金枪鱼种类,文中根据鱼类线粒体基因组（m t DNA）细胞色素b（cyt b）基因和12S r DNA基因,利用3对通用引物分别扩增片段大小为358 bp（cyt b）、224bp（12S r DNA）、123bp（cyt b）的目的片段,同时,基于123 bp线粒体cytb基因片段,通过法医信息核苷酸测序（PCR-FINS）技术来鉴别金枪鱼罐头中金枪鱼的种类,并对17个市售金枪鱼罐头样品进行金枪鱼种类鉴定。结果表明：金枪鱼罐头中DNA降解严重,其片段大小在100~200 bp;该研究建立的PCR-FINS技术,可以实现金枪鱼罐头中金枪鱼种类的准确鉴别;17个市售金枪鱼罐头样品中,58.8%来源于价格低廉的鲣鱼,其次还包括长鳍金枪鱼、青干金枪鱼、扁鮀鲣、鲔鱼。
文摘The undulating fin propulsion system is an instance of the bio-inspired propulsion systems. In the current study, the swimming motion of a squid-like robot with two undulating side fins, mimicking those of a Stingray or a Cuttlefish, was investigated through flow computation around the body. We used the finite analytic method for space discretization and Euler implicit scheme for time discretization along with the PISO algorithm for velocity pressure coupling. A body-fitted moving grid was generated using the Poisson equation at each time step. Based on the computed results, we discussed the features of the flow field and hydrodynamic forces acting on the body and fin. A simple relationship among the fin＇s principal dimensions was established. Numerical computation was done for various aspect ratios, fin angles and frequencies in order to validate the proposed relationship among principal dimensions. Subsequently, the relationship was examined base on the distribution of pressure difference between upper and lower surfaces and the distribution of the thrust force. In efficiency calculations, the undulating fins showed promising results. Finally, for the fin, the open characteristics from computed data showed satisfactory conformity with the experimental results.
