In recent years, the field of psychology has taken great steps to improve the credibility of the research record. Direct replications of past studies have played and continue to play a fundamental ...

Chromosomal replication must be highly regulated to ensure that the number of chromosomes in the cell remains constant. This means that chromosomal DNA must be replicated only once per cell cycle. To ...

1月1日，营业税改征增值税（营改增）试点在上海启动。8月1日起至年底，试点分批扩大至北京、天津、江苏、浙江、安徽、福建、湖北、广东和宁波、厦门、深圳11省市。结构性减税有序推进。 2、我国GDP预期增长目标八年来首次低于8% 3月5日，国务院总理温家宝 ...