一天，和好友刘国松从日本回来，一路聊天谈了很多事情。他说的一句话，让我很受触动。他说他前老板说：what is science．science is a job!我突然意识到问题的症结了。教书应该是职业．看病应该是职业，但科学研究不应该是职业，只能...一天，和好友刘国松从日本回来，一路聊天谈了很多事情。他说的一句话，让我很受触动。他说他前老板说：what is science．science is a job!我突然意识到问题的症结了。教书应该是职业．看病应该是职业，但科学研究不应该是职业，只能是爱好!展开更多
Learning and memory are fundamental brain functions affected by dietary and environmental factors. Magnesium is essential for maintaining normal body and brain functions. Here,
In vivo, cardiomyocytes are stimulated by electricity continuously. So electrical stimulation is an indispensable factor for cardiomyocytes cultured in vitro. In this study, the
应用多样性增量结合二次判别分析(Increment of Diversity with Quadratic Discriminant analysis,IDQD)方法,对大肠杆菌σ70启动子进行识别。使用受试者操作特性(receiver operating characteristic,ROC)曲线和精度召回率曲线(Precisio...应用多样性增量结合二次判别分析(Increment of Diversity with Quadratic Discriminant analysis,IDQD)方法,对大肠杆菌σ70启动子进行识别。使用受试者操作特性(receiver operating characteristic,ROC)曲线和精度召回率曲线(Precision Recall Curves,PRC)进行性能评估。10-fold交叉检验给出,在正负集之比为1∶1时,ROC曲线下面积和PRC曲线下面积均为95%。结果表明,IDQD算法有能力应用于原核启动子的识别。识别精度高于现有算法。展开更多
文摘Learning and memory are fundamental brain functions affected by dietary and environmental factors. Magnesium is essential for maintaining normal body and brain functions. Here,
文摘In vivo, cardiomyocytes are stimulated by electricity continuously. So electrical stimulation is an indispensable factor for cardiomyocytes cultured in vitro. In this study, the
