目的对比研究国产动态心电记录盒与传统心电图机在采集早搏信号功能上是否一致。方法将该两种设备分别通过采集模拟器上的早搏信号,得到的72组数据进行统计学分析。结果统计的数据显示,在"PVC1 R on T,左心室"模拟病症下,早...目的对比研究国产动态心电记录盒与传统心电图机在采集早搏信号功能上是否一致。方法将该两种设备分别通过采集模拟器上的早搏信号,得到的72组数据进行统计学分析。结果统计的数据显示,在"PVC1 R on T,左心室"模拟病症下,早搏次数有显著差异,其余病症下从统计学上均无明显差异。结论通过采集的波形和数据分析,我们发现动态心电记录盒和常规的心电图机在采集早搏心电信号功能上,有高度的一致性,可作为国家创新医疗器械产品与技术成果转化工程的示范产品进行推广应用。展开更多
[Objective]The aim was to introduce T-DNA into watermelon for its molecular marker research.[Method]Based on the method of foreign DNA introduced to Arabidopsis thaliana via dipping flowers,the stigma smear was used t...[Objective]The aim was to introduce T-DNA into watermelon for its molecular marker research.[Method]Based on the method of foreign DNA introduced to Arabidopsis thaliana via dipping flowers,the stigma smear was used to transfer T-DNA into watermelon and its molecular marker research was carried out.[Result]The ideal transformed species was ZXG01078 for the highest fruit setting rate and the most deviant seedlings.The best concentration of kanamycin for treating watermelon seeds was 500-700 mg/L with differences among the species.The best position was spire leaf or young leaf and the best concentration of kanamycin for treating the watermelon leaf was 4 000-8 000 mg/L with no significant difference among species.The steadily variation appearing of growing pointless and conjoined twin seedlings indicated that the normal growth had been interfered by foreign DNA in the progeny.[Conclusion]This study had provided basis for the further research on watermelon.展开更多
文摘目的对比研究国产动态心电记录盒与传统心电图机在采集早搏信号功能上是否一致。方法将该两种设备分别通过采集模拟器上的早搏信号,得到的72组数据进行统计学分析。结果统计的数据显示,在"PVC1 R on T,左心室"模拟病症下,早搏次数有显著差异,其余病症下从统计学上均无明显差异。结论通过采集的波形和数据分析,我们发现动态心电记录盒和常规的心电图机在采集早搏心电信号功能上,有高度的一致性,可作为国家创新医疗器械产品与技术成果转化工程的示范产品进行推广应用。
基金Supported by Crop Germplasm Resources Protection Project of Ministry of Agriculture(NB08-2130135-44)National Science and Technology Infrastructure Project(2005DKA21001-23)
文摘[Objective]The aim was to introduce T-DNA into watermelon for its molecular marker research.[Method]Based on the method of foreign DNA introduced to Arabidopsis thaliana via dipping flowers,the stigma smear was used to transfer T-DNA into watermelon and its molecular marker research was carried out.[Result]The ideal transformed species was ZXG01078 for the highest fruit setting rate and the most deviant seedlings.The best concentration of kanamycin for treating watermelon seeds was 500-700 mg/L with differences among the species.The best position was spire leaf or young leaf and the best concentration of kanamycin for treating the watermelon leaf was 4 000-8 000 mg/L with no significant difference among species.The steadily variation appearing of growing pointless and conjoined twin seedlings indicated that the normal growth had been interfered by foreign DNA in the progeny.[Conclusion]This study had provided basis for the further research on watermelon.
