摘要:（一）肾上腺素　为肾上腺能α受体和β受体的兴奋剂，对两种受体几乎具有相同程度的作用。肾上腺素可以加速心率，中等程度地加强心肌收缩，并增强周围血管阻力。心脏骤停后，肾上腺素是第一个经静脉注射（或稀释后，[阅读全文]

摘要:什么是BLAST？BLAST（Basic Local Alignment Search Tool）是一套在蛋白质数据库或DNA数据库中进行相似性比较的分析工具。BLAST程序能迅速与公开数据库进行相似性序列比较。BLAST结果中的得分是对一种对相似性的统计说明。[阅读全文]

摘要:1、【仪器名称】：BL-420E生物机能实验系统。2、【仪器型号】：BL-420E+。3、【生产厂家】：成都泰盟科技有限公司。4、【检测适用范围】：心电、血压、呼吸、神经肌肉放电、脑电等。5、【仪器使用优点、缺点】：优点：历史悠久，软件比较成熟，运行稳[阅读全文]

摘要:Publisher: Blackwell Publishing LimitedNumber Of Pages: 488Publication Date: 2006-06-01Sales Rank: 62710ISBN / ASIN: 1405142650EAN: 9781405142656Binding: HardcoverManufacturer: Blackwell Publishing Li[阅读全文]

摘要:Blastocyst transfer is usually performed 24 hours after aggregation when the morulae have become expanded blastocysts and on the same day as injection. A little time is given between injection and tra[阅读全文]

摘要:Blastocyst transfer is usually performed 24 hours after aggregation when the morulae have become expanded blastocysts and on the same day as injection. A little time is given between injection and tra[阅读全文]