能量色散的X 射线散射(EDXRS)技术是一种识别液体种类的有效方法。实验用毛细管X 光半透镜代替狭缝，用能量色散的X 射线散射技术进......

Molecular oxygen (O2) is essential to human beings on the earth.Although elemental oxygen is rather abundant,O2 is rare ......

Here we present the study on chemical properties of massive star forming clumps using N2H+(1-0),H13CO+(1-0),HCN(1-0) and......

Astrochemistry has made great progress in recent years.Especially the grain surface chemistry played important roles in ......

We present simultaneous observations of 12CO, 13CO and C180 J=1-0emission in 11 nearby (cz＜1000 km s-1) bright infrared g......